So you need an easy way for your webapp to display to the user a timer that counts down to zero; once it gets to zero it needs to continue into the negative and change visually to allow your user an easy cue that things have gone on Far Too Long.
To fill this unique niche, comes jquery.countoverdue!
These examples will show you how jquery.countoverdue works, and with some degree of luck, provide a solution for you quickly.
This is the current time and date as of page load.
The next two times are grabbed from the current time minus 32 seconds.
For this example let's grab two more times, one way in the past and another far far in the future.
This timer is using the default options of countoverdue. First we add a div that will be the timer.
This second timer uses the time that has already past. The starts in the negative and stays that way.
The countoverdue timer can be cancelled by passing "end" to the same div.
$("#blarg1").countoverdue("end");
$("#blarg2").countoverdue("end");
Here we'll create a button that toggles a countoverdue timer on and off.

toggle blarg3

This toggle has the appearance of show/hide but it is in fact not. Since countoverdue bases timer value on the supplied date as compared to the current date, ending and starting the same timer looks like it remained running while not visible. This is not the case.
Countoverdue creates a span with two default classes:
"countoverdue-timer"
"countoverdue-negtimer"
If you use the defaults the "countoverdue-timer" class styles the timer while in the positive, "countoverdue-negtimer" once it becomes overdue and counts into the negative.
In this example, the default classes are styled in the css file "countoverdue-example.css". The entries look like this:
.countoverdue-timer {
color : #000000;
}
.countoverdue-negtimer {
color: #ff0000;
}
As you can see, only the text color is edited.
Using css for these two default classes is the simpliest way to customize countoverdue. Styling the div supplied to countoverdue works also, but the timer will have the same styling in both positive and negative, which may be desired outcome.
Should decide you'd like more control over the timers (perhaps using countoverdue for more than one type of timer on the same page) you can pass countoverdue an object of key:values to adjust things to your liking.
The default option values are:
Should you supply an object replacing default values, you need to also supply the date as a key:value like so:
var defaults = {
timer_span : "countoverdue-timer",
negtimer_span : "countoverdue-negtimer",
timer_pre : "",
negtimer_pre : "-",
separator : ":",
negseparator : ":",
timer_post : "",
negtimer_post : "",
};
$("#my_countoverdue_timer").countoverdue({
date : "my supplied date",
timer_span : "my_positive_class",
negtimer_span : "my_negative_class",
});
The keys "timer_span" and "negtimer_span" are the names of the span classes that countoverdue will use. Here is an example of suppling different class names for the spans:
.countoverdue-timerBLUE {
color: #0000ff;
}
.countoverdue-negtimerBOLD {
color: #ff0000;
font-weight: bold;
}
$("#blarg4").countoverdue({
date : soon_date,
timer_span : "countoverdue-timerBLUE",
negtimer_span : "countoverdue-negtimerBOLD"
});
Oh look! There we have a new timer, styled differently by declaring a different class for both stages of the timer.
Here is a countoverdue timer that uses a non-default class on the negative side (and you thought blink tags were dead, just wait.).
.countoverdue-negtimerBLINK {
color: #ff0000;
animation: blink 0.5s step-end infinite;
}
@keyframes blink {
0% {color: #ff0000}
75% {color: #ffffff}
}
$("#blarg5").countoverdue({
date : soon_date,
negtimer_span : "countoverdue-negtimerBLINK"
});
MU HA HA! You thought blink tags were dead? CSS animation to the rescue!
There are six extra options that can be passed to countoverdue.
var extra_options = {
timer_pre : "",
negtimer_pre : "-",
separator : ":",
negseparator : ":",
timer_post : "",
negtimer_post : "",
};
The two are tell countoverdue what string you want put in front of the timer. You can set different strings for positive and negative timers.
Separator strings are what will appear between the minutes and seconds displayed in the timer.
The post strings are what follows the timer. The default is for the post strings to be empty.
$("#my_countoverdue_timer").countoverdue({
timer_pre : "Due in: ",
negtimer_pre : "Overdue by: ",
separator : " minutes & ",
negseparator : " minutes & ",
timer_post : " seconds.",
negtimer_post : " seconds!"
});
If you'd like to do some seriously weird things to the style of your countoverdue timer, within the main span of the timer countoverdue creates child spans of the following classes:
$("#blarg7").countoverdue({
date : soon_time,
timer_pre : "Time until: ",
negtimer_pre : "OVERDUE! By: ",
separator : " minutes & ",
negseparator : " minutes & OMG! ",
timer_post : " seconds.",
negtimer_post : " seconds!",
timer_span : "countoverdue-timerCRAZY",
negtimer_span : "countoverdue-negtimerCRAZY"
});
.countoverdue-timerCRAZY {
line-height: 3.0em;
}
.countoverdue-timerCRAZY .countoverdue-pretimer {
animation: Cgrow1 4s infinite;
}
.countoverdue-timerCRAZY .countoverdue-mins {
color: #0000ff;
font-size: 1.7em;
}
.countoverdue-timerCRAZY .countoverdue-separator {
animation: Cgrow2 4s infinite;
}
.countoverdue-timerCRAZY .countoverdue-tsecs {
color: #9900ff;
animation: Cgrow4 1s infinite;
}
.countoverdue-timerCRAZY .countoverdue-osecs {
color: #ff1199;
animation: Cgrow3 1s infinite;
}
.countoverdue-timerCRAZY .countoverdue-posttimer {
color: #00ffff;
font-size: 1.6em;
}
@keyframes Cgrow1 {
0% {color: #33ff00;
font-size: 1.0em}
50% {color: #00ffff;
font-size: 1.6em}
100% {color: #33ff00;
font-size: 1.0em}
}
@keyframes Cgrow2 {
0% {color: #00ffff;
font-size: 1.6em}
50% {color: #33ff00;
font-size: 1.0em}
100% {color: #00ffff;
font-size: 1.6em}
}
@keyframes Cgrow3 {
0% {font-size: 1.9em}
50% {font-size: 1.1em}
}
@keyframes Cgrow4 {
0% {font-size: 1.1em}
50% {font-size: 1.9em}
}
.countoverdue-negtimerCRAZY {
line-height: 3.0em;
animation: Calert1 3.0s infinite;
}
.countoverdue-negtimerCRAZY .countoverdue-pretimer {
color: #b1382f;
font-weight: bold;
animation: Cblink1 0.5s step-end infinite;
animation: Cgrow4 1s infinite;
}
.countoverdue-negtimerCRAZY .countoverdue-mins {
color: #3e050c;
font-size: 1.7em;
}
.countoverdue-negtimerCRAZY .countoverdue-separator {
color: #a94f3b;
font-weight: bold;
animation: Cblink2 0.5s step-end infinite;
animation: Cgrow3 1s infinite;
}
.countoverdue-negtimerCRAZY .countoverdue-tsecs {
color: #f23c50;
animation: Cgrow3 1s infinite;
}
.countoverdue-negtimerCRAZY .countoverdue-osecs {
color: #c01242;
animation: Cgrow4 1s infinite;
}
.countoverdue-negtimerCRAZY .countoverdue-posttimer {
color: #b1382f;
font-weight: bold;
font-size: 1.5em;
animation: Cblink1 0.5s step-end infinite;
}
@keyframes Cblink1 {
0% {color: #b1382f}
40% {color: #a94f3b}
80% {color: #ffffff}
}
@keyframes Cblink2 {
0% {color: #a94f3b}
40% {color: #ffffff}
60% {color: #b1382f}
}
@keyframes Calert1 {
0% {font-size: 1.0em}
50% {font-size: 1.2em}
100% {font-size: 1.0em}
}
Try not to stare at this result too long if you are prone to headaches.
Hope you enjoy countoverdue!
Page reloads every 64 seconds to keep the examples fresh.


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java.lang.Object javassist.tools.web.Webserver
public class Webserver
A web server for running sample programs.
This enables a Java program to instrument class files loaded by web browsers for applets. Since the (standard) security manager does not allow an applet to create and use a class loader, instrumenting class files must be done by this web server.
Note: although this class is included in the Javassist API, it is provided as a sample implementation of the web server using Javassist. Especially, there might be security flaws in this server. Please use this with YOUR OWN RISK.
| Field Summary | |
|---|---|
java.lang.String |
debugDir
If this field is not null, the class files taken from ClassPool are written out under the directory
specified by this field. |
java.lang.String |
htmlfileBase
The top directory of html (and .gif, .class, ...) files. |
| Constructor Summary | |
|---|---|
Webserver(int port)
Constructs a web server. |
|
Webserver(java.lang.String port)
Constructs a web server. |
| Method Summary | |
|---|---|
void |
addTranslator(ClassPool cp,
Translator t)
Adds a translator, which is called whenever a client requests a class file. |
void |
doReply(java.io.InputStream in,
java.io.OutputStream out,
java.lang.String cmd)
Proceses a HTTP request from a client. |
void |
end()
Closes the socket. |
void |
logging(java.lang.String msg)
Prints a log message. |
void |
logging(java.lang.String msg1,
java.lang.String msg2)
Prints a log message. |
void |
logging(java.lang.String msg1,
java.lang.String msg2,
java.lang.String msg3)
Prints a log message. |
void |
logging2(java.lang.String msg)
Prints a log message with indentation. |
static void |
main(java.lang.String[] args)
Starts a web server. |
void |
run()
Begins the HTTP service. |
void |
setClassPool(ClassPool loader)
Requests the web server to use the specified ClassPool object for obtaining a class file. |
| Methods inherited from class java.lang.Object |
|---|
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Field Detail |
|---|
public java.lang.String debugDir
ClassPool
are written out under the directory
specified by this field. The directory name must not end
with a directory separator.
public java.lang.String htmlfileBase
If the given URL indicates a class file and the class file
is not found under the directory specified by this variable,
then Class.getResourceAsStream()
is called
for searching the Java class paths.
| Constructor Detail |
|---|
public Webserver(java.lang.String port) throws java.io.IOException
port
- port number
java.io.IOException
public Webserver(int port) throws java.io.IOException
port
- port number
java.io.IOException
| Method Detail |
|---|
public static void main(java.lang.String[] args) throws java.io.IOException
java.io.IOException
public void setClassPool(ClassPool loader)
ClassPool
object for obtaining a class file.
public void addTranslator(ClassPool cp, Translator t) throws NotFoundException, CannotCompileException
cp
- the ClassPool
object for obtaining
a class file.t
- a translator.
NotFoundException
CannotCompileException
public void end() throws java.io.IOException
java.io.IOException
public void logging(java.lang.String msg)
public void logging(java.lang.String msg1, java.lang.String msg2)
public void logging(java.lang.String msg1, java.lang.String msg2, java.lang.String msg3)
public void logging2(java.lang.String msg)
public void run()
public void doReply(java.io.InputStream in, java.io.OutputStream out, java.lang.String cmd) throws java.io.IOException, BadHttpRequest
out
- the output stream to a clientcmd
- the command received from a client
java.io.IOException
BadHttpRequest
|
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Click to contribute:
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Page maintained by Ke-Sen Huang.
If you have additions or changes, send an e-mail.
Note that when possible I link to the page containing the link to the actual PDF or PS of the preprint.
I prefer this as it gives some context to the paper and avoids possible copyright problems with direct linking.
Thus you may need to search on the page to find the actual document.
Changelog
Shape Reconstruction
- Reconstructing B-spline Curves from Point Clouds -- A New Growing Approach
-
Yang Liu,
Huaiping Yang,
Wenping Wang
- Smooth Adaptive Fitting of 3D models using hierarchical triangular splines
-
Alex Yvart,
Stefanie Hahmann,
Georges-Pierre Bonneau
- Visualization of Point-Based Surfaces with Locally Reconstructed Subdivision Surfaces
-
Tamy Boubekeur,
Patrick Reuter,
Christophe Schlick
- Convection-Driven Dynamic Surface Reconstruction
-
Remi Allegre,
Raphaelle Chaine,
Samir Akkouche
Subdivision Surfaces
- Remeshing Schemes for Semi-Regular Tilings
-
Ergun Akleman,
Vinod Srinivasan,
Esan Mandal
- An Accurate Error Measure for Adaptive Subdivision Surfaces
-
Xiaobin Wu,
Jorg Peters
Shape Modeling and Design
- Mesh Editing with an Embedded Network of Curves
-
Wan Chiu Li,
Bruno Levy,
Jean-Claude Paul
- Minimal-Cut Model Composition
-
Tal Hassner,
Lihi Zelnik-Manor,
George Leifman,
Ronen Basri
- Rational Spherical Splines For Genus Zero Shape Modeling
-
Ying He,
Xianfeng Gu,
Hong Qin
Implicit Surfaces
- Anisotropic Meshing of Implicit Surfaces
-
Sergei Azernikov,
Anath Fischer
- Interactive Implicit Modeling With Hierarchical Spatial Caching
-
Ryan Schmidt,
Brian Wyvill,
Eric Galin
- A Programmable Particle System Framework For Shape Modeling
-
Wen Su,
John Hart
- Robust Particle Systems for Curvature Dependent Sampling of Implicit Surfaces
-
Miriah Meyer,
Pierre Georgel,
Ross Whitaker
Physically-based Modeling
- Subdomain Aware Contour Trees and Contour Evolution in Time-Dependent Scalar Fields
-
Andrzej Szymczak
- Design and Manipulation of Polygonal Models in a Haptic, Stereoscopic Virtual Environment
-
Jing Hua,
Ye Duan,
Hong Qin
- Predicting AE attenuation with solids by Geometric Analysis
-
Theo Lim,
Pornchai Niversrangsan,
Jonathan Corney,
John Steel,
Robert Reuben
Geometry Synthesis
- Stochastic Microgeometry for Displacement Mapping
-
Craig Schroeder,
David Breen,
Christopher Cera,
William Regli
- Geometry Synthesis by Example (TR)
-
Ares Lagae,
Olivier Dumont,
Philip Dutre
- Real Time L-System Generated Trees Based on Modern Graphics Hardware
-
Xavier Baele,
Nadine Warzee
Shape Analysis and Processing I
- Two-Dimensional Visibility Charts for Continuous Curves
-
Ralph Martin,
Gershon Elber,
Robert Sayegh,
Gill Barquet
- Contouring 1- and 2-Manifolds in Arbitrary Dimensions
-
Joon-Kyung Seong,
Gershon Elber,
Myung-Soo Kim
- A Tracing Algorithm for Constructing Medial Axis Transform of 3D Objects Bound by Free-Form Surfaces
-
Ramanathan M.,
Gurumoorthy B
Shape Analysis and Processing II
- Feature Sensitive Mesh Segmentation with Mean Shift
-
Hitoshi Yamauchi,
Seungyong Lee,
Yunjin Lee,
Yutaka Ohtake,
Alexander Belyaev,
Hans-Peter Seidel
- Curvature Maps For Local Shape Comparison
-
Timothy Gatzke,
Cindy Grimm,
Michael Garland,
Steve Zelinka
Mesh Parametrization
- Practical Spherical Embedding of Manifold Triangle Meshes
-
Shadi Saba,
Irad yavneh,
Craig Gotsman,
Alla Sheffer
- Free-Boundary Linear Parameterization of 3D Meshes in the Presence of Constraints
-
Zachi Karni ,
Craig Gotsman,
Steven J. Gortler
- Discrete Tensorial Quasi-Harmonic Maps
-
Rhaleb Zayer,
Christian Roessl,
Hans-Peter Seidel
Topological Modeling of Shapes
- Epsilon-Regular Sets and Intervals
-
Jianchang Qi,
Vadim Shapiro
- Computational Topology for Reconstruction of Surfaces with Boundary: Integrating Experiments and Theory
-
Kinetsu Abe,
Justin Bisceglio,
Thomas Peters,
Alexander Russell,
David Ferguson
- Maximizing adaptivity in hierarchical topological models
-
Peer-Timo Bremer,
Valerio Pascucci,
Bernd Hamann
kesen.huang@gmail.com


Let's take a look at some of the data provided by our file.
Our information breaks down into four pass types used during this period.
What is the least used Pass Type during this time?
The chart below subsets the least used Passholder Type, IndiegoFlex. You can group the data in the columns by clicking the arrow next to the header name.
If you would like to download this subset of data, please click on the filetype of your choice above.


Welcome to my page!
I'll but something else here later...
Until then,
here is
a list
MEMES MEMES MEMES MEMES MEMES MEMES MEMES MEMES MEMES MEMES MEMES


RESEARCH
NEUROIMAGING AND CONNECTOME ANALYSIS OF EPILEPSY AND AUTISM
We develop integrated neuroimaging and network analysis approaches to study drug-resistant
epilepsy and autism, two prevalent, detrimental, and heterogenous conditions affecting
young people. Based on statistical learning techniques, we develop novel and effective
procedures for disease subtyping, diagnostics, and prognostics.
Ongoing work to subtype indviduals with neurodevelopmental conditions, such as
autism spectrum disorder, with multiple MRI parameters.
LONGITUDINAL STUDIES OF BRAIN PLASTICITY AND DISEASE TRAJECTORIES
Using MRI-based longitudinal designs, we track progressive neocortical, mesiotemporal,
as well as network-level alterations in brain disorders.
Together with the Max Planck Institute in Leipzig, Germany, we participate in a large-scale neuroimaging
study that investigates the effects of socio-cognitive and affective training on
behavioural markers, welbeing, and brain networks.
Longitudinal MRI findings in the neocortex
and mesiotemporal lobe in
patients with temporal lobe epilepsy, as well as our recent
meta-analysis in the condition.
NETWORK-LEVEL SUBSTRATES OF COGNITIVE AND AFFECTIVE PHENOTYPES
We combine multimodal neuroimaging with behavioural testing to study substrates of
cognitive and affective phenotypes in healthy and diseased populations.
A particular emphasis is put on self-generated thought, memory, and social emotions.
Through imaging studies in children, we assess whether the structural and functional maturation
of specific anatomical areas underlies cognitive and socio-affective development.
Previous work to assess the modulation of structural covariance networks by
individual differences in cognitive and affective perspective taking.
Our publications on google scholar
Our open software on Github
Slides for our presentations and talks
Connect with our collaborators:
Andrea and Neda Bernasconi, Neuroimaging of Epilepsy Lab
Jonny Smallwood, York Neuroimaging Center, UK
Beth Jefferies, York Neuroimaging Center, UK
Daniel Margulies, Institut de Cerveau et de la Moelle épinière, Paris, France
Sofie Valk, Forschungszentrum Julich, Germany
Richard Bethlehem, Cambridge University, Uk
Adriana Di Martino, Child Mind Institute, NYC
Michael Milham, Child Mind Institute, NYC
Tania Singer, Max-Planck Institute for Human Cognitive and Brain Science, Germany
Dewi Schrader, University of British Columbia Children's Hospital
Connect with our institute:
SELECTED RECENT PAPERS
ATYPICAL FUNCTIONAL CONNECTOME HIERARCHY IN AUTISM
Hong SJ, Vos de Wael R, Bethlehem RAI, Lariviere S, Paquola C, Valk SL, Milham MP, Di Martino A, Margulies DS, Smallwood J, Bernhardt BC (2019)
Nat Commun. 2019 Mar 4;10(1):1022
paper here
NEUROIMAGING AND CONNECTOMICS OF DRUG-RESISTRANT EPILEPSY AT MULTIPLE SCALES:
FROM FOCAL LESIONS TO MACROSCALE NETWORKS
Tavakol S, Royer J, Lowe AJ, Bonilha L, Tracy JI, Jackson GD, Duncan JS, Bernasconi A, Bernasconi N, Bernhardt BC (2019)
Epilepsia. 2019 Apr;60(4):593-604
pubmed
THE SUPERFICIAL WHITE MATTER IN AUTISM AND ITS ROLE IN CONNECTIVITY ANOMALIES AND SYMPTOM SEVERITY
Hong S, Hyung B, Paquola C, Bernhardt BC (2018)
Cerebral Cortex, in press
pubmed
ANATOMICAL AND MICROSTRUCTURAL DETERMINANTS OF HIPPOCAMPAL SUBFIELD FUNCTIONAL CONNECTOME EMBEDDING
Vos De Wael R, Lariviere S, Caldairou B, Hong S, Margulies D, Bernasconi A, Smallwood J, Bernasconi N, Bernhardt BC (2018)
Proc Natl Acad Sci U S A. 2018 Oct 2;115(40):10154-10159
paper here
MICROSTRUCTURE-INFORMED CONNECTOMICS: ENRICHING LARGE-SCALE DESCRIPTIONS OF HEALTHY AND DISEASED BRAINS
Lariviere S, Vos De Wael R, Paquola C, Hong S, Bernasconi N, Bernasconi A, Misic B, Bonilha L, Bernhardt BC (2018)
Brain Connectivity, 2019 Mar;9(2):113-127
pubmed
MULTIDIMENSIONAL NEUROANATOMICAL SUBTYPING OF AUTISM SPECTRUM DISORDERS
Hong SJ, Valk SL, DiMartino AD, Milham MP, Bernhardt BC (2017)
Cerebral Cortex. 14:1-11
pubmed
TIME IS BRAIN? A META-ANALYSIS ON PROGRESSIVE ATROPHY IN TEMPORAL LOBE EPILEPSY
Caciagli L, Bernasconi A, Wiebe S, Koepp MJ, Bernasconi N, Bernhardt BC (2017)
Neurology. 89(5):506-516
pubmed
PREFERENTIAL SUSCEPTIBILITY OF LIMBIC CORTICES TO MICROSTRUCTURAL DAMAGE IN TEMPORAL LOBE EPILEPSY: A QUANTITATIVE T1 MAPPING STUDY
Bernhardt BC, Fadaie F, Vos de Wael R, Hong S, Liu M, Guiot MC, Rudko D, Bernasconi A, Bernasconi N (2017)
NeuroImage. S1053-8119(17)30471-8
pubmed
STRUCTURAL PLASTICITY OF THE SOCIAL BRAIN: DIFFERENTIAL CHANGE AFTER SOCIO-AFFECTIVE
AND COGNITIVE MENTAL TRAINING
Valk SL, Bernhardt BC, Trautwein FM, Boeckler A, Kanske P, Guizard N, Collins DL, Singer T (2017)
Science Advances. 3(10):e1700489
pubmed
TRACKING THOUGHTS: EXPLORING THE NEURAL ARCHITECTURE OF MENTAL TIME TRAVEL DURING MIND WANDERING
Karapanagiotidis T, Bernhardt BC, Jefferies E, Smallwood J (2017)
NeuroImage. 147:272-281
pubmed
THE SPECTRUM OF STRUCTURAL AND FUNCTIONAL IMAGING ABNORMALITIES IN TEMPORAL LOBE EPILEPSY
Bernhardt BC, Bernasconi A, Liu M, Hong S, Guiot MC, Hall J, Caldairou B, Goubran M, Bernasconi N (2016)
Annals of Neurology. 80(1):142-53
pubmed
SOCIO-COGNITIVE PHENOTYPES DIFFERENTIALLY MODUATE LARGE-SCALE STRUCTURAL COVARIANCE NETWORKS
Valk SL, Bernhardt BC, Boeckler A, Trautwein M, Kanske P, Singer T (2016) Cerebral Cortex. 27(2):1358-1368
pubmed
SUBREGIONAL MESIOTEMPORAL NETWORK TOPOLOGY IS ALTERED IN TEMPORAL LOBE EPILEPSY
Bernhardt BC, Bernasconi N, Hong S, Dery S, Bernasconi N (2016) Cerebral Cortex. 26(7):3237-48
pubmed
MAGNETIC RESONANCE IMAGING PATTERN LEARNING IN TEMPORAL LOBE EPILEPSY: CLASSIFICATION AND PROGNOSTICS
Bernhardt BC, Hong S, Bernasconi A, Bernasconi N (2015) Annals of Neurology. 77(3): 436-46
pubmed
MULTI-CENTER MAPPING OF STRUCTURAL NETWORK ALTERATIONS IN AUTISM
Valk SL, DiMartino A, Milham ML, Bernhardt BC (2015) Hum Brain Mapp. 36(6): 162-70
pubmed
IMPULSE CONTROL AND UNDERLYING FUNCTIONS OF THE LEFT DLPFC MEDIATE AGE-RELATED AND AGE-INDEPENDENT
INDIVIDUAL DIFFERENCES IN STRATEGIC SOCIAL BEHAVIOR
Steinbeis N, Bernhardt BC, Singer T (2013) Neuron. 36(6): 162-70
pubmed
A complete list of publications and citations is available here.


_shot Jack awoke to a bloodshot sky, the buckshot echoing through the air as he heard someone shouting in earshot down the street.[G|D] The gunshot rang out in the night, and the hotshot quickly reloaded while his mailshot missed its target wide by several feet.[G|D] His mugshot stared out from the wanted flyer, and despite his best efforts to overshoot the police, his potshot missed the mark.[G|D] He fired off a scattershot of bullets and quickly reloaded his slingshot, but the upshot of his plan was a dismal failure.[G|D]


ratio 0.0 - 1.0 of amount of each ray that is absorbed upon hitting a surface
float
float
float
ms window in which we will suppress echoes to reduce comb filter effects
float
float
number of points of diffusion from each reflection point, as fanout increases there are more chances for secondary echoes, but each diffusion ray is quieter and therefore more likely to be below the sound floor
int
int
ratio 0.0 - 1.0 of amount of each ray that is diffused upon hitting a surface
float
scales attenuation to be louder or softer than the default distance attenuation
float
wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
float
int
int
scales attenuation of local audio to be louder or softer than the default attenuation
float
float
float
float
float
wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
float
ms of delay added to all echos
float
int
remaining ratio 0.0 - 1.0 of amount of each ray that is cleanly reflected upon hitting a surface
float
ms per meter that sound travels, larger means slower, which sounds bigger
float
ratio 0.0 - 1.0 of amount of each ray that is absorbed upon hitting a surface
float
ms window in which we will suppress echoes to reduce comb filter effects
float
number of points of diffusion from each reflection point, as fanout increases there are more chances for secondary echoes, but each diffusion ray is quieter and therefore more likely to be below the sound floor
int
ratio 0.0 - 1.0 of amount of each ray that is diffused upon hitting a surface
float
scales attenuation to be louder or softer than the default distance attenuation
float
wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
float
scales attenuation of local audio to be louder or softer than the default attenuation
float
wet/dry mix - these don't affect any reflection calculations, only the final mix volumes
float
ms of delay added to all echos
float
remaining ratio 0.0 - 1.0 of amount of each ray that is cleanly reflected upon hitting a surface
float
ms per meter that sound travels, larger means slower, which sounds bigger
float
Generated using TypeDoc
checked against /interface/src/AudioReflector.h 2014-09-28


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Something not mentioned at all until now (and properly described in the next
section, Default actions) is that Outcome can be
programmed take various actions when the user tries to observe .value()
when there is no value, and so on for the other possible state observations.
Seeing as we are replacing the throwing overload of copy_file()
in the
Filesystem TS with a result
returning edition instead, it would make
sense if an attempt to observe the value of an unsuccessful fs_result
threw the exact same filesystem_error
as the Filesystem TS does.
Telling Outcome how to throw a filesystem_error
with payload of the
failing paths is easy:
namespace filesystem2
{
// If we would like Outcome to do something other than the default action (see next
// section), we can declare this ADL discovered free function to customise what
// to do instead.
//
// Note that rvalue semantics are propagated internally by Outcome, so if the user
// called .value() on a rvalued result, failure_info will be moved rather than
// copied from the result. That means we can overload once with value semantics,
// and not need to overload for lvalue and rvalue situations unless we really feel
// we need to for some reason.
inline void outcome_throw_as_system_error_with_payload(failure_info fi)
{
// If the error code is not filesystem related e.g. ENOMEM, throw that as a standard STL exception.
outcome::try_throw_std_exception_from_error(fi.ec);
// Throw the exact same filesystem_error exception which the throwing copy_file() edition does.
throw filesystem_error(fi.ec.message(), std::move(fi.path1), std::move(fi.path2), fi.ec);
}
}
Usage of our new “upgraded” Filesystem copy_file()
might now be as follows:
// Non-throwing use case
auto o = filesystem2::copy_file("dontexist", "alsodontexist");
if(!o)
{
std::cerr << "Copy file failed with error " << o.error().ec.message() //
<< " (path1 = " << o.error().path1 << ", path2 = " << o.error().path2 << ")" //
<< std::endl;
}
// Throwing use case
try
{
// Try to observe the successful value, thus triggering default actions which invokes
// our outcome_throw_as_system_error_with_payload() above which then throws filesystem_error
// exactly like the Filesystem TS does for its throwing overload.
filesystem2::copy_file("dontexist", "alsodontexist").value();
}
catch(const filesystem2::filesystem_error &e)
{
std::cerr << "Copy file failed with exception " << e.what() //
<< " (path1 = " << e.path1() << ", path2 = " << e.path2() << ")" //
<< std::endl;
}
catch(const std::exception &e)
{
std::cerr << "Copy file failed with exception " << e.what() //
<< std::endl;
}


As the thread "Solar Energy Managment" is getting so long now, I've started a new thread detailing how I'm building a proportional, burst fire SSR controlled surplus energy controller (aka hot water controller!!)
The code for this project is on GITHUB... https://github.com/stuartpittaway/VariableTimeBaseSSR
I'm using a zero crossing detector circuit, powered from a AC-AC (9v) adapter, same as used with emonTX to identify when the mains power is zero and then fire an interrupt.
I've recently brought a new digital scope (toy!), so heres the picture of what's happening....
The blue trace is the mains AC (via 9v adapter). The yellow pulse is the zero cross circuit before it passes through an optoisolator. The purple is the output after the optoisolator.
The purple pulses above are fed into Arduino pin 3 (interrupt 1) and occur twice per cycle, so UK mains at 50hz produces 100 pulses per second.
Using this pulse I'm switching on/off a zero crossing SSR (cheap one from ebay)
This yellow trace shows the output of the SSR (mains switching taken through a very poor quality power supply so I didn't break the scope)
The green pulses are the request to switch the SSR on, this is at 50% power, 2 off cycles, followed by 2 on cycles.
You can see from the timing, that the request to switch on the SSR occurs almost at zero, but this appears to be too late to get the SSR to switch on, which seems to happen half cycle afterwards (at the next zero cross).
I don't this is a problem, it just means the SSR is out by half cycle, but the frequency is perfectly in sync.
I've also tried triggering the interrupt on a failling edge of the 100Hz pulse (purple line) and I think this may be the best answer.
Worked example..
A = zero cross detected (1) and rising pulse generated
B = falling edge of pulse, triggers interrupt
C = interrupt code asks SSR to "switch on"
D = next zero cross occurs (2), SSR switches on (E)
F = 2nd falling edge of zero cross and SSR asked to switch off
G = next zero cross occurs (3), SSR switches off
You can see that the code switches on the SSR at (C) but it wont energise until the next zero cross at D, once energised, current flows E + G
I need to get a second AC-AC adapter so I can measure this properly!
Re: Diverting power from Solar PV to a heater (immersion controller)
Theres no reason why this circuit can be used for other resistive loads, such as oil filled radiators - perhaps heating a conservatory in winter sunshine?
Jacuzzi/Spa heater perhaps ?
Re: Diverting power from Solar PV to a heater (immersion controller)
... or a storage heater, the output of which can be opened up in the evening after being heated during the day.
Re: Diverting power from Solar PV to a heater (immersion controller)
It would be a nice touch to make sure you load positive and negative half-cycles in equal numbers, so that you don't load the PV inverter with D.C. I've no idea whether it will object to a small amount of D.C., but I'm sure it will be happier without it.
Re: Diverting power from Solar PV to a heater (immersion controller)
I see there are DC immersion heaters available also, that may also be an option
edit: for example one like this: http://www.ebay.co.uk/itm/ws/eBayISAPI.dll?ViewItem&item=180296507747&clk_rvr_id=344090125608#ht_4702wt_1270
you can hook up several of them since they vary in wattage according to voltage, there is a table at the end
Re: Diverting power from Solar PV to a heater (immersion controller)
It's great to see progress being made on this topic. Have you thought about using a triac instead of a SSR? A triac will automatically switch of at the zero crossing, it's just a matter of triggering it to switch on at a zero crossing.
One of the ideas I had was to use small opto isolated triac with built in zero-crossing detection to fire a larger power triac. An Arduino could be then used to fire the small opto-isolated zero-crossing detection triac at various speeds/firing patters.
I did a quick test ((using the same toy scope!) with the TLP3042 opto-isolated triac with built in zero-crossing and it seemed to work. The yellow line is a digital pulse from the Arduino and the blue line is the output from the triac. I used a 9V 50Hz AC signal to simulate mains power:
This is what the basic circuit would look like accept the MOC3021 would be replaced with a opto isolated triac with built in zero crossing (there are loads to choose from) and the transistor would be replaced with an Arduino:
BTA26-600B could be a suitable power triac. This circuit could potentially be quite cheap to build with the two triac units costing about £3.50 in total.
I'm not sure if this approach is a good one, I would be interested to hear your throughts. It was just an interesting idea to explore but not one that I've done any work on lately. Working on emonTx SMT is taking up most of my time at the moment!
Re: Diverting power from Solar PV to a heater (immersion controller)
Er.....  (The clue is in the name).
Re: Diverting power from Solar PV to a heater (immersion controller)
Someone has pointed out that using the DC direct from the solar panels means that it is not metered, hence you don't get paid for it. A good idea - I had it a while ago ;-) - but until the legislation catches up with what might well be best engineering practice (because you avoid the inverter losses), I think for financial reasons you need to stick with loading the inverter output.
Re: Diverting power from Solar PV to a heater (immersion controller)
Robert,
According to Wikipedia, a solid-state relay includes an opto-isolator whereas a triac doesn't. Their corresponding articles read quite differently.
Or am I missing something?
Re: Diverting power from Solar PV to a heater (immersion controller)
I can see the benefits in striving for zero-cross switching, but in burst fire mode we may only be dealing with a small number of mains cycles, therefore if we time it wrongly and trigger just after a zero-cross, we will lose almost 1/2 cycle whilst the next zero-cross arrives, which would affect accuracy.
 Would ignoring the zero-cross really cause so many problems when switching a purely resistive load.
Paul
Re: Diverting power from Solar PV to a heater (immersion controller)
calypso_rae:
Quite possibly you are: I've met solid state relays with reed relays inside for galvanic isolation between the control terminals and the load. I also seem to remember coming across one without galvanic isolation, but a long time ago. The point of my comment was the output element(s) of an SSR designed for a.c. and switching at the zero crossing will probably be a triac or a pair of back-to-back thyristors. An SSR offering zero crossing switching thus removes the need for you to take account of that in your design, whereas a bare triac will turn on on demand - and unless you can accurately fire it very close to the zero crossing it will require filtering and possibly commutation components around it. Both will inherently switch off when the current falls below the holding value for a sufficient time provided the command signal has been removed.
Optically fired thyristors also exist - yes, the "gate" connection is an optical fibre. These are very useful for high voltage applications, not needing a trigger transformer with near-impossible isolation requirements. I doubt that anyone has made an optically fired triac (as distinct from a triac incorporating an opto-coupler).
[Edit}
See this Omron SSR http://www.farnell.com/datasheets/1470863.pdf I think you'll find on page 5 a pair of back-back thyristors or a triac, depending on the load current capability.
Re: Diverting power from Solar PV to a heater (immersion controller)
Robert, there is clearly an element of debate of the differences between a SSR and a Triac, but there is no need for sarcasm towards our host!
If you you wish to make a point, then make it, but please don't resort to rudeness.
Paul
Re: Diverting power from Solar PV to a heater (immersion controller)
No offense taken. I was under the impression the SSR's were mainly DC mosfet based. Looking through farnell they seem to come in a range to different types. Some mosfet, some with zero-crossing and some without. My point was that a correctly rated ssr seems to cost in the region of £15-£20 where the raw components to do the same job can be bought for about £3.50.
Although I can see the value in using a properly tested unit for mains switching, safer and one less thing to worry about!
Re: Diverting power from Solar PV to a heater (immersion controller)
Currently I'm happy with the circuit I've got, it works at 1% resolution (could be adapted to reduce this to 0.5%) and fires really nicely and evenly all the way up to 100% power. The circuit I've built in effect does zero crossing twice, once on the arduino circuit and again on the SSR.
I don't think this is actually a problem, because I'm not losing any power/cycles, simply the SSR is half a cycle behind the arduino. They are both in sync.
Additionally, I agree that the triac might be a good option, but I was hoping to design a safe(ish) circuit for a generic module for O.E.M, minimum mains wiring. The SSR I'm using also cost less than £6, there are much cheaper ones about as well...
For instance, £3.50...
http://www.ebay.co.uk/itm/Control-Solid-State-Relay-SSR-40DA-40A-24-380V...
http://www.ebay.co.uk/itm/SSR-25A-Solid-State-Relay-24-380V-AC-Temperatu...
Re: Diverting power from Solar PV to a heater (immersion controller)
I've come across a "3800W SCR Voltage Regulator Dimming Light Speed Control" on ebay that'd appear to achieve the same for a fraction of the price of, say, a site transformer - would such a device be sufficient for reducing a 3kw immersion energy usage down to half or lower?
Re: Diverting power from Solar PV to a heater (immersion controller)
I've updated the code to include a new burst firing table, so it now works on 0.5% steps, so for a 3kw heater, thats 15W resolution.
I've found an old ac transformer in a nokia mobile phone charger, so if I get brave tonight, I'll put that on the scope and test it out !
Re: Diverting power from Solar PV to a heater (immersion controller)
I did start out doing burst fire against an SSR and ignored the timings/zero cross. It works, but its difficult to maintain an accurate power output level, over time the firing drifts out and the power increases/decreases dramatically.
Re: Diverting power from Solar PV to a heater (immersion controller)
Looks like firing whole AC cycles rather than the half cycles I'm currently doing will prevent DC from being generated and passed into the heating elements, increasing their life expectancy!
Bit more background reading...
http://instrumentation-central.com/SCRPowerControls/ssrz_series.pdf
http://www.watlow.com/downloads/en/whitepapers/burst%20fire%20output.pdf
http://www.scribd.com/nealmalm/d/51105918-SCR-power-control-Watlow#outer...
Re: Diverting power from Solar PV to a heater (immersion controller)
I'm slightly skeptical of the CE mark on SSR's from ebay, the price is very low! Although I have managed to find a manufacture website with some poorly translated datasheets which is slightly assuring: http://www.fotek.com.tw/Ecenter1.asp?class1_sn=4&class2_sn=16
http://www.fotek.com.tw/pdf/etc_206.pdf
The datasheet shows that they do indeed contain a traic with optical firing:
Re: Diverting power from Solar PV to a heater (immersion controller)
I've recently posted some design notes on phase control of Triacs on my website :
http://www.rotwang.co.uk/projects/triac.html
What I wanted to do was to reduce the power to a load so that it only used the available excess solar power. When the solar panels are generating less than the load consumes, I thought I could reduce the power to the load using a phase controlled triac.
The problem with all these phase control systems is that it relies on defects in the supply meter design to work. If you only switch the supply on for part of the phase, although the average consumption is reduced, the peak consumption (while it is on) is exactly the same. So, if the meter correctly measures power, and modern meter should do, the load will still be importing power from the grid during the on periods.
So, these circuits may not work as intended. I want to look at using an IGBT to shop rectified mains as an alternative.
Re: Diverting power from Solar PV to a heater (immersion controller)
"these circuits may not work as intended"
That's what I suspected also, but the experiences of other users as well as my own testing has proved otherwise:
http://openenergymonitor.org/emon/node/176?page=2
You can shift a significant load back and forth across the utility meter without ever registering a consumption.
Having said this, I am still pleased that my variable transformer-based proportional solar dump load controller works as well as it does without all of the contortions that using a triac involves.
Re: Diverting power from Solar PV to a heater (immersion controller)
On the linked page above, search for "trampoline" !
Re: Diverting power from Solar PV to a heater (immersion controller)
In which case, the triac controller I presented about will probably do what most people want - provide proportional phase control to a load that can soak up excess energy.
I still have reservations about the meter design though. What they should do is multiply V * I at a high sample rate and sum any positive values. This would stop the phase control (or any other pulse width etc) from working. I suspect that meter manufacturers are only just starting to worry about people generating their own power. In the past the meter was easy as the flow was all one way. That will probably change, so any investment in hardware would be possibly short lived. We will all be forced to have new smart meters soon, which may well prevent us from doing this.
I wouldn't describe the triac control as "contortions". The circuit is simple and the software, well, its just software. The only thing my circuit is missing is a nice box and an adequate heatsink.
http://www.rotwang.co.uk/projects/triac.html
What you need in addition to this is some feedback from the generation and consumption meters, but that depends on your setup.
I was going to abandon this experiment, as I didn't have access to a modern meter to verify that the principle works. But this thread has encouraged me to continue. I don't even have an immersion heater! If someone is able to verify that a phase controlled triac will not register on a modern meter, then I will be happy to continue the experiment. Happy to discuss this offline at : solar at rotwang dot co dot uk
I need to get real time monitoring of my import meter, and that is my next stage.
Re: Diverting power from Solar PV to a heater (immersion controller)
Daveb, proportional phase-control using a triac should work fine with modern supply meters. It's really no different than having lots of lights on a dimmer circuit. Power companies can't charge the customer for parts of the cycle where no energy has been consumed.
My interest is in using entire cycles, or half cycles, to power the immersion using surplus PV energy. By switching only at zero-crossing points, all sorts of problems with EMC and buzzing etc. should be greatly reduced. This approach takes advantage of the fact that modern supply meters conveniently allow small amounts of power to flow back and forth without being recorded. Such behaviour only occurs when the customer is generating power on-site. If the meter manufacturers were to change this arrangement, i.e. to withdraw their trampoline as you have suggested, then dumping surplus PV power to a resistive load would become a whole lot more challenging.
Re: Diverting power from Solar PV to a heater (immersion controller)
Daveb,
But then the meter would only read power correctly with a resistive load. Remember that a non-unity power factor will also return power to the supply for part of the cycle (we call it circulating vars - Volt Amperes reactive).
On the contrary (only it wasn't genuine generation they were worried about). Most meters have never allowed reverse power because prior to private generation becoming widely available, reverse power was a sure sign of the customer fiddling the meter!
As I understand it, many smart meters have an optional setting (the supply companies option, that is) to allow or block reverse power.
And some large filter components to reduce the interference that you will generate.
Re: Diverting power from Solar PV to a heater (immersion controller)
Hi calypso_rae. There is no question of being charged for parts of the cycle where no energy is being consumed. It is a problem that only occurs when you are generating power, which is largely a recent phenomena. The meter merely multiplies the instantaneous current and voltage together and integrates this over time. With old meters this is done using an electromagnetic system. With modern meters it is done electronically and in software.
The critical issue is how the integrating is done. Is the sum of V * I taken over a period and then any import (ie. net +ve) amount added to the meter reading, or are only those V * I products that are positive integrated? The meter can do this either way. It is an implementation detail. If you have no generation capability, the numbers will come out the same. It only matters when you can export as well as import.
This is complicated when you consider that the load might be an inductive one. With inductive loads the current is out of phase with the voltage. The meter shouldn't charge you when the current flows in reverse because of inductance. It should integrate. This situation looks a lot like a phase control case when you are also generating power. So perhaps the meter must always subtract any current flowing out to the grid when it integrates?
Experience shows that import and exports are simply summed, so the principle works with at least some meters. But it all depends on the design of the meter, and that may change as the utilities get more used to people generating their own power.
It also doesn't make much difference whether you talk about phase control (part cycles) or switching at zero crossing points for selected cycles, (apart from the EMC / buzzing issue you mention). The issue is the peak current drawn when the load is on. If this peak current is greater than the current supplied by your inverter, then technically you are importing power, whether it is for a part of a cycle or a half cycle. The fact this doesn't show up on your meter is down to the detail of how the meter is implemented. Both phase and cycle control have the same behaviour.
I'm going to try and summarize all this with diagrams etc and post a link here later.
Re: Diverting power from Solar PV to a heater (immersion controller)
Yes, you are right about people reversing the meter, but that is easily handled.
Good points about reactive power. I only saw your post after I'd added mine. Maybe that is the answer?
"And some large filter components to reduce the interference that you will generate"
yes, that is true. They don't have to be too large though :)
Re: Diverting power from Solar PV to a heater (immersion controller)
daveb, "The issue is the peak current drawn when the load is on. If this peak current is greater than the current supplied by your inverter, then technically you are importing power, whether it is for a part of a cycle or a half cycle. The fact this doesn't show up on your meter is down to the detail of how the meter is implemented."
Indeed so, and I was voicing precisely the same argument on this forum only a few weeks ago. However, since then, I have found by experimentation that our Landis meter has a 'power window' of around 1Wh within which no permanent records are kept of any power which flows to and fro. So if your control system stays within that region, there is no cost penalty for bouncing small amounts of energy in and out of the low impedance grid. The trampoline is freely available for anyone who wants to play!
Our system really does heat up the water by using isolated whole cycles of mains power and the supply meter is happy, as am I :)
Re: Diverting power from Solar PV to a heater (immersion controller)
Don't bother spending any time worrying about whether "smart meters" can sense reverse power (energy production rather than consumption), they all already have that capability. Unless programmed otherwise by the utility, they will treat any production as consumption and bill you for the result.
Old, mechanical meters could be run backwards unless they were "ratcheted", that is prevented mechanically from tuning backwards (these meters are actually rather rare). In the US, utility meters are socketed, that is they have a four blade connection system that is identical no matter whether the meter is right side up or upside down.
In the old days, inverting a mechanical meter would, either stop it's rotation (due to the meter needing gravity to be right side up to spin), or run backwards.
New "smart" meters can likewise be inverted in the socket, but gravity won't affect their operation. As such, the meter can not ignore "backwards" power, but must treat it as consumption so that cheaters still get the bill at the end of the month.
Actually, most "smart" meters can tell if they have been removed from a live socket and will scream bloody murder to the utility.
Consumer production of energy is more common than you might think, and meter manufacturers are competitive in creating products that utilities can use to accommodate customers who have a legitimate grid intertied system. The new meters can be configured to separately register and total that production, although the default settings is to treat it as consumption.
Re: Diverting power from Solar PV to a heater (immersion controller)
I've drawn a graph of how I think the issue can be described.
http://www.rotwang.co.uk/projects/images/phase_power_graph.png
This uses a phase control example, but it equally applicable to the whole cycle case. For simplicity I've used a 90 degree phase switch.
When the load is off, you are exporting power. This should not appear on your import. I believe it is incorrect to say 'they will treat any production as consumption and bill you for the result.' The import factor here is the direction of the current, which both old mechanical and new electronic meters will accurately measure. Neither will count exported power as imported. The net power is the sum of the instantaneous current and voltage, integrated over time. In this example, the hatched area on the left hand side of the graph, which the meter will treat as export and therefore ignore.
When the load is on, the net current flow is equal to the load current minus the generation current, assuming always that I_load > I_gen. The meter will again integrate the net current flow, multiplied by the voltage. In this case the hatched area on the right of the graph, which is a net import of energy.
The question is, does the meter add these 2 areas, one negative (export) the other positive (import)? My mechanical meter does, and clearly other people with electronic meters also say it does. calypso_rae's meter even averages over multiple cycles. This may be common behaviour. If the sum of the hatched areas is <= 0, ie. net export, the meter shouldn't register any usage.
The question of detecting fraudulent use of the meter is different. The meter simply never counts backwards. This is achieved with a ratchet in mechanical systems, and with software in electronic meters.
'the default settings is to treat it as consumption'. I suspect this can't be true. If this were the case then everyone who is a power generator would get larger bills, not smaller. The bill would be the sum of exported and imported power. I don't imagine for a minute that this is happening.
Yes, modern meters can measure import and export. My generation meter has fields in its IrDA output data, but they are turned off. I've decoded these and seen them :
http://www.rotwang.co.uk/projects/meter.html
The solid-state-relays will simply use the same switching techniques as in my triac design. 'linear' ones, will probably use phase control. It is just the same basic design in an enclosed box.
All this still leaves the question open in my mind. I think that the fact that meters have to deal with reactive loads gives a hint that they must always subtract negative currents when they integrate. This may mean that they will always work as desired. I think that is the most important contribution to this debate.
Re: Diverting power from Solar PV to a heater (immersion controller)
daveb, nice diagram and explanation. Meters could doubtless be set up to operate as you suggest, but that would cause problems with capacitive and reactive loads.
For me, the most important contribution to this debate was the realisation that energy can be bounced in & out of our supply meter without charge.
Re: Diverting power from Solar PV to a heater (immersion controller)
I seem to recollect seeing anecdotal evidence - on here I think - that the customer proved that the bill was for total power irrespective of direction, and got a meter change and a refund from the energy supplier as a result.
Re: Diverting power from Solar PV to a heater (immersion controller)
"'the default settings is to treat it as consumption'. I suspect this can't be true."
If this is what you believe to be the case, there is one very fast, easy, and convincing method of proving it one way or the other.
If you have the capability of producing and exporting energy (PV's, etc), turn off all the loads in your service, disconnect any dump load devices, and allow 1kWh+ of energy to flow back into the grid and read the results on your meter.
I can tell you unequivocally that the utility meter installed on my electric service will increment the consumption by the amount of energy fed back into the grid, and I have no reason to expect that most if not all "smart" meters are set up the same from the factory. This is the selling point that the manufacturers use to convince utilities to switch to these types of meters to begin with. That, and the fact that they sense small amounts of energy usage more accurately and are less apt to have calibration errors caused by old, creaky gears, dirt, dust, etc. If your utility is installing "smart" meters, they aren't doing it for your benefit, it's solely for theirs.
If you have entered into a net metering/tariff-feed-in agreement with your utility, then your electronic meter will be programmed to accumulate consumption and production in separate registers. Some utilities, when faced with net metering, will simply leave the old (non-ratcheted) analog meters in place and let them spin backwards when production exceeds consumption.
Re: Diverting power from Solar PV to a heater (immersion controller)
On a good day, when the water is up to temperature, our PV is still active, and the house is using minimal power:
- the LED on our supply meter glows continuously, but the numbers don't change because we are exporting;
- the LED on our generation meter pulses regularly, each one being worth approx 0.05p to me in FIT payments. But as we're often reminded on this side of the Pond, every little helps :)
- the 'fourth quartile' (blue) LED on my Arduino's 'display panel' is on, this showing that the control logic is trying as hard as it can to reduce the level of export, which it can't do because the thermostat is no longer able to draw current.
Job done. We are definitely not being charged for exported power!
Re: Diverting power from Solar PV to a heater (immersion controller)
Mr. Sharkey I suggest you get your meter changed. I'm definitely not charged for exported power.
Re: Diverting power from Solar PV to a heater (immersion controller)
Believe me, if I could get the meter changed back to the analog disc-type meter, I'd do so in a heartbeat.
Re: Diverting power from Solar PV to a heater (immersion controller)
If you are in the UK, then your electric company can/will/must re-program your meter for you to record exported energy properly. They won't install the disc meter!
Seems quite a few people have had this problem after installing PV, some threads about the problem here..
http://www.electriciansforums.co.uk/photovoltaic-solar-panels-green-energy-forum/
Your electric supplier is incorrectly billing you !
Re: Diverting power from Solar PV to a heater (immersion controller)
Mr Sharkey,
Please realise that, to the best of my knowledge, most modern digital meters can work whichever way the supply company sets them up - on an individual basis. So what is true for one customer - whichever country they are in - might not be true for their neighbour next door, somebody across the street or for you in a different country, but it might be true for someone a dozen houses away and someone in the next road. Only the supplier and the meter itself knows, and it looks like they aren't telling.
So what are facts for some people might not be facts in your case. It doesn't mean either of you are wrong, it is likely that you are both right. You are talking about different situations.
Re: Diverting power from Solar PV to a heater (immersion controller)
The commonly fitted Siemans S2AS-100 meters are notorious for charging customers for both import & export, and although the utility companies can re flash the firmware to overcome this error, they usually just replace the meter, and re-flash/refurbish the old meter back in the factory for re-issue.
I had one of these fitted initially, so I speak from experience!!
Paul
Re: Diverting power from Solar PV to a heater (immersion controller)
pauldreed: I had one of these fitted initially, so I speak from experience!!
Was this meter already in place before your panels were fitted, or was it fitted specifically to work alongside your panels but then failed to do so?
At the time when our PV was installed, we had a disc-type meter that went backwards when we started to export. Although I reported this on Day 1, it took Scottish Power a couple of months before they got around to fitting a digital replacement. Pity that this was in November/December rather than during the summer months!
(aside) Do power companies generally check whether the meters of their PV-equipped customers go backwards or not. It would seem in their interests to do so.
Re: Diverting power from Solar PV to a heater (immersion controller)
Yes the meter was in place before the panels were fitted. Because I had the panels fitted early winter, I wasn't aware that there was a problem until 5 or 6 months later, when we got some strong spring sunshine.
Scottish Power were really good at sorting it out though, got a really generous refund, basing average daily usage on a sunny week in May, which they applied back to the previous October!
I don't think anyone checked, neither the power company nor the Solar installer. Scottish Power didn't even check, they took my word for it and organized a meter change (although they probably have had loads of complaints).
Paul
Re: Diverting power from Solar PV to a heater (immersion controller)
My supplier at the time (nPower) was very keen to change my analogue meter as quickly as possible when I declared I had had PV fitted. I'm sure it depends on your supplier.
Regardless of the theoretical capabilities of the meter, I would be very surprised if it weren't designed to mimic the mechanical inertia of an analogue meter in at least being as "fair", otherwise customers would be billed unequally depending on what sort of meter they had.
I'm shocked that there are digital meters which charge export as import, and even more shocked that it seems some were fitted in response to PV installations. Does the LED still glow continuously when power is being exported, despite it being metered as imported power?
I'm also very interested to hear about "trampolining", as burst-firing allows much simpler and cheaper circuitry than phase control. Did you say what model of meter? Mine is a Landis and Gyr 5235A. Edit: I see this is one confirmed to "trampoline" - yippee!
Re: Diverting power from Solar PV to a heater (immersion controller)
[Responding to question about 3800W dimmer on eBay - why doesn't quoting work?]
Yes, but not without difficulty. For a start, I don't believe that heatsink is nearly big enough. It's also got no filtering so will break all the regulations for electromagnetic interference. Even if that doesn't affect you, it's still very anti-social. And it's lots of live metalwork, including, by the looks of it, the heatsink.
Re: Diverting power from Solar PV to a heater (immersion controller)
It's a format. It inserts <blockquote> tags. Like this:
You need to copy and paste the text you want to quote. And put the inverted commas around it if you so desire.
(And having engineered a 3 MW DC drive, tell me about harmonics and dip! - and G5/3 as it was then)
Re: Diverting power from Solar PV to a heater (immersion controller)
eof: I'm also very interested to hear about "trampolining", as burst-firing allows much simpler and cheaper circuitry than phase control. Did you say what model of meter? Mine is a Landis and Gyr 5235A.
Trampolining - yes, it's very satisfying when an existing word can convey a new situation so succinctly. Maybe there needs to be a disambiguation page on Wikipedia to distinguish it from the Olympic alternative.
My supply meter is the same model as yours (user manual attached), so you too should be able to benefit from the bouncing bonanza :)
Re: Diverting power from Solar PV to a heater (immersion controller)
Ooh very interesting - shall read! I have now read through the other thread and see that you and friends have pretty much sewn up burst firing while my attention was elsewhere!
Pity no-one's managed to hack into the meter to get it to display with a greater resolution.
Re: Diverting power from Solar PV to a heater (immersion controller)
How much more resolution do you need?
If I want an accurate power reading at the grid connection point, I just plug the laptop into my adjacent Arduino and read it from the Serial port :)
Re: Diverting power from Solar PV to a heater (immersion controller)
The greater resolution would make it easier to see exactly how the meter responds to playing about with power flow.
Re: Diverting power from Solar PV to a heater (immersion controller)
Sure, but I think it's fair to assume that whenever the LED does anything, then the underlying energy flow will have been noted.
After a period of consumption, no charge is presumably made until the next blink occurs. If the LED goes permanently on, you've just lost up to 1Wh's worth of free energy. C'est la vie.
After a period of export, the LED going off probably means that you've been charged for 1Wh's worth of energy from the grid. While it remains on, you could of course be exporting megaJoules but the meter would ignore your generosity.
Any system which can accurately measure current at the supply point, and respond quickly to any change, should have a good chance of staying in the sweet zone between chargeable events.
Maybe it's just me, but I've found that monitoring the meter's LED while turning various loads on and off is surprisingly theraputic. The hot-air blower, with two settings and a real trigger is my favourite!
Re: Diverting power from Solar PV to a heater (immersion controller)
Yes, I agree. My "favourite" pass-time is pushing pause on the washing machine as the sun goes in and out...
Re: Diverting power from Solar PV to a heater (immersion controller)
Hi I came across this website whilst doing a research on the Arduino.
The monitor looks to be a very well engineered and documented package.
Congratulations.
I went on to look at the thread on using water heating to dump excess solar energy.
I had considered using such a system but I have finally decided to employ a combi boiler and minimise the plumbing.
However, from a technical view point I am still interested but I have reservations about the underlying principles. I have not doubt that average power input to the heater can be reduced by simple fractions times it's rated value. The zero crossing switch also reduces the potential for transient generation.
You appear to imply that if the excess energy is less than the rated demand for the heater then it can be used to equalised to the solar output.
We have to consider the performance of the system formed by the generation meter, the consumption meter and the inverter.
During the on cycle the inverter will try to furnish the rated current but will be able to furnish the maximum available for the solar conditions the shortfall will be drawn from the main clocking up the consumption meter, during off cycles the the available current will be returned to the main.
in my house this turns the old style meter backwards. The meter should have been changed for a more modern version.
I don't see how this is going to save money or use the energy more wisely unless the consumption meter is also averaging the power used or feedback across several cycles. What do the various types of meter acually do ? Has anybody tried them ?
Would somebody care to shoot this argument down or clarify the situation.
Alan
Re: Diverting power from Solar PV to a heater (immersion controller)
There has been a lot of work done on trying to understand how various meters work. You'll find the results are unfortunately scattered across many threads, but they're there. Pending someone putting together an article collating all the knowledge, all I can suggest is you read up on Calypo-rae's project and its offshoots. And do a lot of searching, unfortunately.
The basic idea is: The meters (universally) seem to record energy in 1 Wh (3600 J) packets. The controller manages energy consumption within the bounds of this packet, so that there is no nett transfer recorded. Obviously, if generation exceeds the sum of the fixed load and controlled load, the system fails and energy is exported; likewise if the uncontrolled part of the load exceeds generation, energy is imported. In between, the controller successfully manages the controlled load to achieve zero nett import/export.
Re: Diverting power from Solar PV to a heater (immersion controller)
RW: Pending someone putting together an article collating all the knowledge, all I can suggest is you read up on Calypo-rae's project and its offshoots. And do a lot of searching, unfortunately.
All of which Robert has since done, the resulting article being at http://openenergymonitor.org/emon/buildingblocks/meters :)


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FRONT-END DEV
I create websites and web applications using html, javascript, css, js.node etc.
I have previous experience with SQL, server Management and Networking Cloud Management.
Ranging from website designs to tshirt printing, I am handy with adobe illustrate, Photoshop and Graphics.
Click here for a random phrase:
Selection of my range work


| < Day Day Up > |
How EXPLAIN WorksTo see how EXPLAIN works, refer to Figure 25.1. A single SQL statement, or a series of SQL statements in a package or plan, can be the subject of an EXPLAIN. When EXPLAIN is requested, the SQL statements are passed through the DB2 optimizer, and the following three activities are performed:
Figure 25.1. How EXPLAIN works.The PLAN_TABLE, DSN_STATEMNT_TABLE, and DSN_FUNCTION_TABLE objects are nothing more than standard DB2 tables that must be defined with predetermined columns, data types, and lengths. To EXPLAIN a single SQL statement, precede the SQL statement with the EXPLAIN command as follows:
EXPLAIN ALL SET QUERYNO = integer FOR
SQL statement ;
It can be executed in the same way as any other SQL statement. QUERYNO, which you can set to any integer, is used for identification in the PLAN_TABLE. For example, the following EXPLAIN statement populates the PLAN_TABLE with the access paths chosen for the indicated sample table query: EXPLAIN ALL SET QUERYNO = 1 FOR SELECT FIRSTNME, MIDINIT, LASTNAME FROM DSN8610.EMP WHERE EMPNO = '000240'; Another method of issuing an EXPLAIN is as a part of the BIND command. If you indicate EXPLAIN(YES) when binding a package or a plan, DB2 externalizes the access paths chosen for all SQL statements in that DBRM (or DBRMs) to the PLAN_TABLE. The final method of issuing EXPLAIN is to use the Visual Explain tool to invoke EXPLAIN for dynamic SQL statements. Visual Explain also provides an easy to use interface for displaying access paths graphically and suggesting alternate SQL formulations. |
| < Day Day Up > |


Notebooks
Story: The names of animals
The names of animals
Title
The names of animals
Collection
Summary
Names given to animals by the |xam, including notes on who uses them (men or women, children and so on). This includes the anteater (its other name), the springbok, the ostrich, the eland (called 'meat' by men), and the hartebeest. This story also includes information about a man whom |han≠kass'o knew, who possessed 'leanness' (or kko in).
Comments
1) This story is found in Book VIII-27
Contributors
|han≠kass'o (Klein Jantje) (VIII)
Date
April/May 1879
Categories
Custom and daily life, Plants and animals
Keywords
naming (of animals) , names (given to animals) , names (who can use them) , names (prohibitions regarding the saying of) , names (used by men and women) , names (the 'other' names given to animals) , animals (their different names) , animals (the names used by different members of the group) , animals (the giving and uttering of their names) , animals (the 'other' names given to anteater, springbok, ostrich, eland, hartebeest) , personal history (about a man whom |han≠kass'o knew, who possessed 'leanness' or kko in) , |han≠kass'o (about a man he knew, who possessed 'leanness' or kko in) , anteater (its other name) , springbok (its other name) , ostrich (its other name) , eland (called 'meat' by men) , eland (its other name) , hartebeest (its other name)
Story Pages
8432v, 8433 & 8435


| Figure 1 |
Boreal Summer (JJA) Zonal Mean Temperature Profiles. Shown a ... |
| Figure 2 |
Zonal mean temperatures for 5 degree bands from 25–75N in th ... |
| Figure 3 |
QRA Fingerprint Series. Shown for both the ( a) all-forcing ... |
| Figure 4 |
Projection of QRA Fingerprint Series onto 300 mb Zonal Wind ... |
| Figure 5 |
Observational Series. Shown are the zonal mean temperatures ... |


A SMILE LIKE YOURS
** (out of ****)
Paramount / 1:39 / 1997 / R (language, sex-related material) Cast: Greg Kinnear; Lauren Holly; Joan Cusack; Jay Thomas; Jillian Hennessy; Christopher McDonald; Shirley MacLaine Director: Keith Samples Screenplay: Kevin Meyer; Keith Samples
Romantic comedies centering around fertility aren't made very often, and it's easy to see why. Gene Wilder's "Funny About Love" was absolutely excruciating to watch. And anybody remember the Shelly Long-Corbin Bernsen sperm bank vehicle "Frozen Assets"? You likely answered in the negative, which proves my point exactly. Keith Samples' "A Smile Like Yours" isn't a terrible movie, but it's also not a good one, proving this rarely-filmed subgenre can't do much except shoot blanks.
"A Smile Like Yours" centers around photogenic San Francisco yuppie couple Danny and Jennifer Robertson (Greg Kinnear and Lauren Holly); he's a successful building contractor, she's the successful entrepreneur of an aromatherapy shop. Jennifer's latest concoction is a kind of aphrodisiac, called "Seventh Scent," that she's always "testing" on her husband in extremely inconvenient places (i.e., the freight elevator at his work). But little does Danny know that she's really using her new scent for another purpose -- she's also trying to get pregnant, but their ever-so-frequent intercourse sessions yield little but stiff joints.
After getting it on for the umpteenth time -- and still getting her period shortly thereafter -- Jennifer has herself checked for infertility. The doc assures her she's fine. So, she sneaks a semen sample from Danny (and, for some reason, hides it in their tub of Country Crock) and has that analyzed at the clinic. Turns out he's got what they call "lazy swimmers," a condition that his frequent trips to the Masturbatorium ("You might wanna check out that new video -- 'Romancing the Bone,'" taunts the attending specialist) and her just-as-frequent in-vitro fertilization try to alleviate.
There's not much new territory covered in "A Smile Like Yours," but the movie's lack of originality could have been remedied if the material was juicy, funny or entertaining. But it's rarely any one of those three, and thus the film plays out like "Look Who's Talking" with a truckload of jack-off jokes in place of the gabby newborn. Occasionally, there's a good scene you'll catch yourself smiling at -- and many of them involve the Robertson's trips to the clinic and Danny's dealings with a surly nurse -- but your facial expression fades almost as quickly as it got there.
"A Smile Like Yours" exhibits disaster warnings early on. It's not a good sign when the main characters visit a kareoke bar and a significant portion of screen time is devoted to the performances of others, nor does it bode well that musical montages are employed numerously. The plot veers off in a silly dramatic direction when it's got about a half-hour to go, and involves such unbelievably gooey situations as Danny's explained need to have Jennifer present in the Masturbatorium while he's making his "deposit." And the ending is an unsatisfyingly pat, fast resolution that makes a mockery of its own premise.
As far as the characters go, Kinnear's Danny is imbued with the star's effortless charm, but Holly's Jennifer comes across as a whiny wimp. It's baffling, then, that the subplot devoted to him -- he is tempted by his "Disclosure"-esque man-eating corporate boss, the only kind of female overseer that movies seem to use these days -- is far less interesting than her quest to market her new fragrance along with work pal/scene-stealer Joan Cusack. But baffle is what "A Smile Like Yours" appears to do best, placing two appealing stars and a handfull of clever material in service of a stuffy, synthetic story.
© 1997 Jamie Peck E-mail<EMAIL_ADDRESS>Website: www.gl.umbc.edu/~jpeck1/
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rec.arts.movies.reviews newsgroup (de.rec.film.kritiken for German reviews).
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---
layout: post
title: Duh! Computer Operations 101 -- have off site backups
tags:
- Work Practices
status: publish
type: post
published: true
meta: {}
---
BBC NEWS | Entertainment | Coppola plea after computer theft
Film director Francis Ford Coppola has appealed for the return of his computer backup device following a robbery at his house
It would appear that Mr Coppola did not have an offsite backup for his computer data. So when the robbers came they stole the laptop AND the backup. He would have had the same problem if there had been a fire or any other disaster.
I personally have a remote version repository which backs up my work, I keep copies of all my email on the mail servers and every so often I burn stuff such as photos onto DVD.
"Let's be careful out there"
Powered by ScribeFire.


<booklists>
The <booklists>
element references lists of various kinds within the
book. For example, it can be used within <frontmatter>
to reference a
<toc>
, <tablelist>
, and
<figurelist>
, or within <backmatter>
to reference
a <glossarylist>
, <indexlist>
, and
<abbrevlist>
. It indicates to the processing software that the author
wants the lists generated at the <booklists>
location.
Category: Bookmap content elements


+++ title = "Pilcopata" lat = -13.100000 lon = -71.300000 +++
Located on the edge of Parque Nacional del Manu, in the park's "cultural zone", Pilcopata is a sleepy little village at the fringe of the Peruvian part of the mighty Amazon jungle. I spent two days in Pilcopata, on a jungle tour with some of my friends from Hampy.


15
Numeric values are initially entered on the stack when we reduce from
INTEGER
to
expr
. After
INTEGER
is shifted to the stack we apply the rule
expr: INTEGER { $$ = $1; }
The
INTEGER
token is popped off the parse stack followed by a push of
expr
. For the value stack
we pop the integer value off the stack and then push it back on again. In other words we do nothing.
In fact this is the default action and need not be specified. Finally, when a newline is encountered,
the value associated with
expr
is printed.
In the event of syntax errors yacc calls the user-supplied function
yyerror
. If you need to modify
the interface to
yyerror
then alter the canned file that yacc includes to fit your needs. The last
function in our yacc specification is
main
… in case you were wondering where it was. This example
still has an ambiguous grammar. Although yacc will issue shift-reduce warnings it will still process
the grammar using shift as the default operation.
Practice, Part II
In this section we will extend the calculator from the previous section to incorporate some new
functionality. New features include arithmetic operators multiply and divide. Parentheses may be
used to over-ride operator precedence, and single-character variables may be specified in
assignment statements. The following illustrates sample input and calculator output:
user:
3 * (4 + 5)
calc:
27
user:
x = 3 * (4 + 5)
user:
y = 5
user:
x
calc:
27
user:
y
calc:
5
user:
x + 2*y
calc:
37


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Score :
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Use
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→
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to play
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Your best score :
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EZRA A. CADWISING
Also known as "CU". A cute and expressive little artist. Born on May 27, 2001 with a Zodiac sign of Gemini: the twins!
Specialized in sketching and painting. In her spare time,
she loves to draw, watch anime and take pictures of nature.
"Trust God and He will do the rest. In life, there are many difficulties, it's your choice if you would stand
up and fight until you succeed or stay back and give up and lose everything."


The Group Memberships tab displays all membership information. The query for this tab display is displayed in the 'Ad hoc SQL' tab to the right.
The 'Group Memberships' tab next to the 'Ad hoc SQL' tab is the actual Group Memberships tab that the module pulls up. If the tab has not loaded properly, you have not installed the plug-in, are not connected to the proper database, or do not have the proper privileges. In that case, click here for a sample view.
There are four menu options (two under the Edit Membership menu):
You will also see three action icons:
Note: If a user does not belong to any group, the group column for that user will appear as "null." Similarly, if a group has no users, the user column for that row will be "null."


Clothes For Sale
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This is a pair of shoes made out of real dog skin. The fabric is soft and does not smell. The heel is 5 inches high and is imported directly from China.
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This paur of socks is made out of real cotton, so they are soft to the touch. They are imported directly from Canada. This pair is the limited edition, there are only 224 pairs left around the world.
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This is a Santa Hat used in typical Chirstmas Holidays. The fabric is hard and crisp on the outside so it remains in its shape but soft and flexible on the inside so that it would support your head. It is imported from America.
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This dress is made out of silk and is veyr soft to the touch. Little crystal beads are embedded within the belt of the dress and they shine when exposed to light. It is imported from Korea.
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This gray sweater is very stylish and think. The finest cotton woven into elaborate patterns. The button is made out of red wood. Imported from Japan.
- Very silky
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- Elaborate patterns
- $250


{% extends "blog/base.html" %} {% block content %}
I am software engineer with a degree in BSc in Mathematics and Computer Science attained at Taita Taveta University, having specialized in Applied Mathematics option, and currently awaiting to graduate on 6th May this year.
Majorly, I am a full stack software developer with experiences in:
Thanks for visiting my blog! Check all my projects on the github link above!


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-Ryan"Not only do you get to choose what songs this vinyl includes on it, but Custom Vinyl works with professional artists to bring you album art specifically designed to include artwork based on your input when ordering! This vinyl made an amazing gift to my girlfriend for our anniversary. She couldn't believe how thoughtful of a gift it was!
-Collin


(collaborative/Seamless/Transparent
Technological developments have helped accountancy firms to share information
with geographically dispersed teams.
Accountancy profession has changed overtime; focus has shifted away from
traditional compliance based work. Todays environment requires accounting firms
to be more dynamic. Business owners need accountants who can articulate
information for supporting business decisions and provide value added
contributions.
At Present accountancy firms are moving away from traditional communication and
working conditions into more social working environment where teams can
interact, react and response to the every changing needs of the clients.
Through collaboration we want to maintain a trusting and credible partnerships
making it possible for you to achieve long-term success and growth.
Transparency helps in clear two-way communication, helps in aligning goals and
targets. Combined with collaborative and Seamless approach it increases
productivity. Transparency helps in creating trust, sharing ideas and achieving
long term partnership.


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Check out some of my other blog posts below!
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Check out some of my other blog posts below!


@DoNotImplement interface FlowHandle<A> : AutoCloseable
FlowHandle is a serialisable handle for the started flow, parameterised by the type of the flow's return value.
id |
The started flow's Id. abstract val id: FlowId |
returnValue |
A CompletableFuture of the flow's return value. abstract val returnValue: CompletableFuture<A> |
close |
Use this function for flows whose returnValue is not going to be used, so as to free up server resources. abstract fun close(): Unit |
FlowHandleWithClientId |
interface FlowHandleWithClientId<A> : FlowHandle<A> |


Grid
Responsive containers have the maximum width of 800px, 1000px, and 1200px.

 1200px

 1000px

 800px

1200 px
1000 px
800 px
All columns are named in accordance with their screen width. Note that the columns must be inserted into either row or flex-row to get the full responsiveness.


=== 3rd party integration and/or usage of/by process ===
Similar to human assets supporting the process, any 3rd party that has any involvement with the business process should be mapped as well. This category can be tricky to map out, as it could contain both human assets, as well as information/technical ones (such as a SaaS provider).


|
{{resume.first_name || "First Name"}} {{resume.last_name || "Last Name"}} |
|
|---|---|
|
{{resume.address}} - {{resume.city}} - {{resume.state}} {{resume.zip_code}} Phone: {{resume.phone_no || "Phone number"}} ⚫ Email {{resume.email_address || "Address"}} |
|
Profile {{resume.profile_description || "profile description"}} |
|||||
|
|||||
|
Education {{school.school_name}} {{school.degree}}, {{school.graduation_year_text.name || " "}} still following {{school.field_of_study}} |
|||||
|
Skills {{skill}} |


Class IGeoObjectImpl.Changing
Helper class to wrap any changing of this GeoObject. Usually used in this way:
using (new Changing(this,...))
{
// ... make the change here ...
}
This will call FireWillChange(GeoObjectChange) before the GeoObject is changed and FireDidChange(GeoObjectChange) after the GeoObject was changed with the appropriate parameters. Changig takes nested changes into account and raises the events only at the outermost level.
Implements
Inherited Members
Namespace: CADability.GeoObject
Assembly: CADability.dll
Syntax
protected class Changing : IDisposable
Constructors
| Improve this Doc View SourceChanging(IGeoObjectImpl)
Changing geometrical aspects of an GeoObject. A Clone() of this GeoObject is made and saved and CopyGeometry(IGeoObject) might be called with that clone later when there is an undo.
Declaration
public Changing(IGeoObjectImpl geoObject)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
Changing(IGeoObjectImpl, Boolean)
Changing geometrical aspects of an GeoObject. A Clone() of this GeoObject is made and saved and CopyGeometry(IGeoObject) might be called with that clone later when there is an undo.
Declaration
public Changing(IGeoObjectImpl geoObject, bool UndoNecessary)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
| System.Boolean | UndoNecessary | true, if undo is required |
Changing(IGeoObjectImpl, Boolean, Boolean)
Changing geometrical aspects of an GeoObject. A Clone() of this GeoObject is made and saved and CopyGeometry(IGeoObject) might be called with that clone later when there is an undo.
Declaration
public Changing(IGeoObjectImpl geoObject, bool UndoNecessary, bool onlyAttribute)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
| System.Boolean | UndoNecessary | |
| System.Boolean | onlyAttribute |
Changing(IGeoObjectImpl, Boolean, Boolean, String, Object[])
Changing a GeoObject with a specification on how to undo that change. Undo might be performed later vie reflection. So we need the name of the method here and the parameters for that method.
Declaration
public Changing(IGeoObjectImpl geoObject, bool noUndo, bool onlyAttribute, string MethodOrPropertyName, params object[] Parameters)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
| System.Boolean | noUndo | true if no undo is required, false otherwise |
| System.Boolean | onlyAttribute | true if only an attribute is changed not the geometry |
| System.String | MethodOrPropertyName | name of a public method that might be called later by undo |
| System.Object[] | Parameters | parameters for the method |
Changing(IGeoObjectImpl, String)
Changing a property, that has public get and set methods, and has only one property with this name. On construction the value of that property will be requested by a reflection call to "get_PropertyName"
Declaration
public Changing(IGeoObjectImpl geoObject, string PropertyName)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | The GeoObject |
| System.String | PropertyName | The Name of the property |
Changing(IGeoObjectImpl, String, Object[])
Changing a GeoObject with a specification on how to undo that change. Undo might be performed later vie reflection. So we need the name of the method here and the parameters for that method.
Declaration
public Changing(IGeoObjectImpl geoObject, string MethodOrPropertyName, params object[] Parameters)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
| System.String | MethodOrPropertyName | name of a public method that might be called later by undo |
| System.Object[] | Parameters | parameters for the method |
Changing(IGeoObjectImpl, Type, String, Object[])
Changing a GeoObject with a specification on how to undo that change. Undo might be performed later vie reflection. So we need the name of the method here and the parameters for that method. The method must be in the given interface.
Declaration
public Changing(IGeoObjectImpl geoObject, Type interfaceForMethod, string MethodOrPropertyName, params object[] Parameters)
Parameters
| Type | Name | Description |
|---|---|---|
| IGeoObjectImpl | geoObject | the GeoObject |
| System.Type | interfaceForMethod | the type of the interface which contains the method |
| System.String | MethodOrPropertyName | name of a public method that might be called later by undo |
| System.Object[] | Parameters | parameters for the method |
Methods
| Improve this Doc View SourceDispose()
Implements IDisposable.Dispose. Calls FireDidChange(GeoObjectChange) when not inside a nested changing.
Declaration
public virtual void Dispose()
NoUndoNecessary()
Sets NoUndoNecessary to true for the parameter of the call to FireWillChange(GeoObjectChange) and FireDidChange(GeoObjectChange).
Declaration
public void NoUndoNecessary()