Change the value in several keyframes

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• Is it possible to change the values of particular #define of the various controls in CVI.

  In my application, I have different panels to file single .uir. When I save the .uir file, I get the same values of #define for different controls in different panels. For this reason, I am not able to use these #defines block switch. Is it possible to change the values of #define according to my condition.

  Hi, a little more Wolfgang post. It is the combination of the Panel to manage and control the unique ID: as you know, you can load the same panel more than once, so even if you recover the full chain of PANEL_CONTROL you have duplication. items that exactly identifies a particular control in a particular group are the combination control panel manage AND panel_control ID.

  On the one hand which guarantees more flexibility to your application, you can design only a few panels and reuse them whenever you want, even having some of them loded several times in the same instant. On the other hand, as you have discovered, there is the possibility (Finally, almost certain) duplicated in your app ID.

  To resolve the problem of duplicated IDS you can act in two ways:

  1. If you know that no Panel is never loaded several timer in your application, you can retrieve the name of constant of Panel with GetPanelAttribute (panelHandle, ATTR_CONSTANT_NAME, string); and to distinguish between the name of constant, then switch between control ID

  2. If you happen to have duplicate panels you will need to store each panelHandles in the non-volatile variables, switch between them and then switch between the control ID

  An alternative might be to use Panel callbackData attribute and assign a significant value during the loading of the Panel, other callbackData finally from a control ID. Something like this:

  Loading panels:

  panelHandle = LoadPanel (0, "myfile.uir", PANEL1);

  SetPanelAttribute (panelHandle, ATTR_CALLBACK_DATA, (void *) 1);   Assign different callbackData in each instance

  During the failover between controls:

  void * cbkd;

  GetPanelAttribute (panelHandle, ATTR_CALLBACK_DATA, &cbkd);)
  Switch (cbkd (int)) {}
  case 1: / / elements of the PANEL1
  switch (command) {}
  case PANEL1_NUMERIC:

  your code here
  break;
  case PANEL1_STRING:
  your code here
  break;
  }
  break;
  case 2:
  // .....
  break;
  }

  One final note: it seems to me that all this is necessary in a very limited situation, where you have the same callback called on various panels/controls. Whenever the reminder is unique to a specific panel or controls on a single panel you don't need to work that way.

• Cannot change the value of an attribute

  I'm having a lot of trouble trying to change the value of an attribute in a document in my database. I get the error message:

  Transaction specified for a non-transactional database
  Nov 26, 2008 9:35:02 AM com.kitfox.db.BaseLocal processRequest
  SEVERE: null
  com.sleepycat.dbxml.XmlException: Error: Invalid argument, errcode = DATABASE_ERROR
          at com.sleepycat.dbxml.dbxml_javaJNI.XmlQueryExpression_execute__SWIG_1(Native Method)
          at com.sleepycat.dbxml.XmlQueryExpression.execute(XmlQueryExpression.java:89)

  However, the database is configured to perform operations:

          try {
              EnvironmentConfig config = new EnvironmentConfig();
              config.setAllowCreate(createIfAbsent);
              config.setInitializeLocking(true);
              config.setInitializeLogging(true);
              config.setInitializeCache(true);
              config.setTransactional(true);
              config.setRunRecovery(true);
              config.setThreaded(true);
              //config.setLockDetectMode(LockDetectMode.DEFAULT);
  
              env = new Environment(home, config);
  
              XmlManagerConfig managerConfig = new XmlManagerConfig();
              managerConfig.setAllowAutoOpen(true);
              managerConfig.setAdoptEnvironment(true);
              managerConfig.setAllowExternalAccess(true);
              manager = new XmlManager(env, managerConfig);
  
              manager.setDefaultContainerType(XmlContainer.NodeContainer);
              
              manager.registerResolver(resolver);
  
              if (manager.existsContainer(CONTAINER_NAME) == 0) {
                  container = manager.createContainer(CONTAINER_NAME);
  
                  //Add index
                  {
                      XmlIndexSpecification is = container.getIndexSpecification();
                      is.addIndex(GAMEBASE_NS, "uid", "node-element-presence-none unique-edge-attribute-equality-decimal");
                      is.addIndex(GAMEBASE_NS, "name", "node-element-presence-none edge-attribute-equality-string");
  
                      XmlUpdateContext uc = manager.createUpdateContext();
                      container.setIndexSpecification(is, uc);
                      is.delete();
                  }
                  
                  //Initial document
                  {
                      InputStream is = null;
                      XmlInputStream xin = null;
                      URL initXml = getClass().getResource("/com/kitfox/db/dbInit.xml");
                      is = initXml.openStream();
  
                      xin = manager.createInputStream(is);
  
                      container.putDocument(DOCUMENT_NAME, xin);
                      xin.delete();
                  }
  
              } else {
                  container = manager.openContainer(CONTAINER_NAME);
              }

  While I am able to update my document by running insert or remove instructions independently, they fail:

      let $dir := $repository//gb:directory[@gb:uid=$cmd/@uid]
      return
          replace value of node $dir/@gb:name with "blorp"
  
      let $dir := $repository//gb:directory[@gb:uid=$cmd/@uid]
      return
          (delete node $dir/@gb:name,
          insert node (attribute gb:name {"bigbird"}) into $dir)

  Any idea what goes wrong? How can I change my attribute value?
  
  Published by: kitfox on November 26, 2008 09:48

  The problem is that even if your environment is configured to use transactions, your container is not. Set up for using transactions is a process in two steps, first of all, you must set up the environment that you did, then you must configure each container in the environment, what you can do as follows:

  XmlContainerConfig config = new XmlContainerConfig();
  config.setTransactional(true);
  container = manager.createContainer(CONTAINER_NAME, config);
  

  The same steps are used to open the container.

  Lauren Foutz

• Change the location of several pictures at the same time?

  I see how to change the location of a photo at a time. Is it possible to change the location of several pictures at the same time?

  Thank you

  Phil

  Select the photos and info - enter the location (or any other field of the info) and it is applied to all photos

  This is described in using Photos - a good place to get help with Photos

  View and add information about the photos

  To view or change information for the photos, you select one or more photos, and then open the information window.

  

  • Open the Info window: Double-click a photo to view it, and then click the Info button in the toolbar or press on command I.

  • Add or change information: Change the following.
    • Title: Enter a name in the title field.
    • Description: In the Description field, type a caption.
    • Favorite: Click the Favorites button to mark the photo as a favorite. Click the button again to deselect.
    • Keywords: Enter the keywords in the keywords field. When you type, Photos suggest keywords that you have used before. Press enter when you have finished a keyword. To remove a keyword, select it and press DELETE.
    • Faces: Click on and type a name to identify a face. Click on several times, and then drag the identifier of the face different faces to identify many faces in a photo.
    • Location: Enter a location in the location field. When you type, Photos suggest places you can choose. To change a location, you can search a different location or change the location by dragging a PIN on the map. To remove location information, delete it or choose Image > location, then choose Remove location or back to the original location. You cannot assign a location if your computer is not connected to the Internet.

  LN

• Cannot change the value of mousewheel scroll

  After you have reinstalled windows and all I had on my old desktop, I seem to be unable to change my amount of scrolling the mouse on firefox. I looked through all the troubleshooting questions that have already been posted, and all users have responded that I had to access about: config and change the value of mousewheel.withnokey.numlines.

  However, when you access everything: config, I discovered that not only I don't the integer specified, I don't have any integer with a preferably name that contains "withnokey", so I tried to add it in me, but not to use. Currently my parchment done on lines 6 and 7 and I would like to go down to about 3.

  Hello, Skarlath, the scrolling behavior has been overhauled in firefox 17 (see for reference https://wiki.mozilla.org/Gecko:Mouse_Wheel_Scrollingtechnical information) - the old setting longer reverberate.

  It must still be possible to set a different frame rate. You can enter about: config in the firefox address bar (confirm the message information where it appears), search preferences starting with mousewheel.default.delta_multiplier_ ..., you can double-click on these parameters and assign a different value to - then a restart of firefox is required for the changed settings is taken into account.

• Change the value of all slides

  Hello world

  I need help today with a problem on the slide - void / knot vi and property.

  I would like to change any value of slides with a sub vi

  Any ideas?

  Thank you

  Hello

  Using the node property, you can change the value of the slide.

  Siva

• Change the value of varying directly?

  Suppose I have a variant from an external source.

  Suppose I know the data type, but I don't know the attributes and their values (if any).

  Is it possible to directly change the value of the variant, "under the hood" so to speak and leave all attributes intact?

  I know that I can read all attributes, generate a new variant with my new data and write them all back, but that seems very inefficient.

  Casting of new data to a variant, and then using the variant of data to convert the Original variants type that seems to work as well. Once again, kludgy.

  Sting autour with «...» VI.lib\Utility\VariantDataType\*.*, but so far, not to find a method 'live '.

  Thank you!

  You can use the structure of the element inplace to set the value of a varying existing.  It retains all the existing attributes.

• Can I change the values of the variables in the variables view control?

  I want to use the variables view control in Labview. I see only the values, but I can't change the values or create new Variables. Will there be a chance to do?
  I use Labview 8.6.1 and Teststand 4.1.1.

  You must activate the edit mode for the ApplicationMgr, by setting ApplicationMgr.IsEditor to true. Note that you must have at least the license of the custom editor for teststand so that it works (otherwise it will prompt the user to activate a license with these privileges).

  Hope this helps,

  -Doug

• How can I change the value of the sample during my simulation period?

  I'm about to set discrete PID profile vi to specify the values of the period of sampling of the order hold block. At t = 0, I wish that the value of 0.5 and then change to 1.0 when t = 5. Currently, only 0.5 goes to the waiting order discreet block. I think it's because the block takes this value and then use it for the entire simulation, do not check to see if the value has changed. Is there a way to tell the block to check this value at each time step and then adjust if necessary sampling its period?

  See code attached for reference.

  What is your overall goal for the sampling period? You will change the value more than once? Or only from 0.5 to 1?

  The PID setpoint profile should allow you to specify a profile for the values to send to the hold. He will see property values. For example if you specify only t = 0 setpoint = 0.5 and t = 5 setpoint = 1, you'll find it ramp the setpoint in 0.5 to 1.0 for the first 5 steps of time. If you want the sampling period of stay up to t = 5 0.5 is reached you will probably want to three elements in the array. set = 0.5 point t = 0, t = 4.99 set = 0.5, 1.0 = set point t = 5.

  If you're just fill one step, (from 0.5 to 1.0) you can use the Index Timestep in the Simulation parameters to determine the sampling period. Is attached a screenshot of what I mean.

• How can I change the value of a control on front panel?

  On the front panel, I'm doing a complex control that consists of a Slider control and control of the digital inputs. Both controls display the same information and either may be used for entry. When changing value, I want the other control to display the same value.

  How can I change the value of a control on front flap when another control changes the value? I know how to use a structure of the event to detect value has changed, but I do not know how to impose control on front panel to change its value in the block diagram.

  Why do you not use a digital display on the slider, and no code is required:

  

  EDIT: Yes, he said. ***

• changing the value of the indicator

  I need to change the value of an indicator, while the program is running.

  I enclose a VI

  1. a double is given as input to find derived from ptbypt, and then I compare the derivative (threshold) to enter the value to give a Boolean result.

  I need the user to change the threshold value as required by him.

  Thanks in advance

  Well, use the property node.

  Ran

• change the value of the button cluster

  Hi all

  I wrote a program that has 5 poles and all groups contain a STOP"" button. the program can stop when the button is pressed.

  When I press the button, the value of the button goes to False and else False. I want to come True. so I tried using the 'value' property and set the value "False".

  but it is still true.

  I use event structure to see that the value changes. and set to 'Stop the value changes' all buttons in a single event.

  How can I change the value of the false button?

  Thank you

  Ritesh

  
  

• How to change the value of string clustered, to implement using the node value of property instead of writing directly on the flow of data or using the variable

  new to labview :-) and I have a problem when I want to change the value of a string in bunches, and I want to implement this using the node value of property instead of writing directly to the stream or by using the variable, enclosed is the picture.   No matter, I have change in cluster (control) or value of Popery out (indicator) cluster, the value (sensor 7) dataflow keeps unchanged even I gave the new value by value of property node. Thank you to give me some advice about this.

  

  Hi GerdW

  Thanks a lot for your answer. The reason I'm stubbornly tring to break the flow of DATA is: we have a test system that have about 100 screws, they have a few connected flow, some of them will be unbundling a cluster dataflow chain to check the value in order to make the different cases.  Now I want to insert user event by changing the control and influential cases during run time.

  As I initially uses a global variable (to control cases) instead of unbundle string data flow, it works well.  But then, I found there are a lot of screws that are using the string unbundle.  One of the 'lazy' means, I tried is to change the value via the property node (because that way, I did not need to find all the places where using the unbundle string and replace them with the global variable), then I noticed a problem with "dataflow", the value in the stream of cluster in fact will not be changed by changing the value of the property node.

  I did a test with VI simple (like the picture in last post), and after reading your advice, I tell myself that I need to understand the concept of "DATAFLOW" in labview, it seems that my "lazy" way can not work in this scenario.

  I have attached the criterion VI here, have you furthur suggestions on what I can do in this case?

  Mant thanks!

  Minyi

• Change the value (current line) of multicolumn listbox using the mouse

  Salvation is a way to change the value (current line) of multicolumn listbox using the mouse?

  Here's a way to do it.

  

• Cannot change the value of the cells during execution of the VI

  Hello

  I'm changing the values in the table while the VI is on, but without success, can anyone show me please how to do this.

  Thank you

  MGarry

  MGarry,

  something like this:

  

  Please note that this does not reset the contents of the table if you rerun the VI. You can add code to it.

  Norbert