Loop for running do not?

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• Is it possible to execute a loop For independently within a while loop in LabVIEW 2013?

  In my program, I want to run a loop For inside a while loop and run independently, at their own rate of execution.  A test, I wrote a simple VI with a while loop with 1 second calendar and in this I inserted a loop For with 3 of a second.  I created indicators for the two terminals of the iteration.  When executing the VI, I found the while loop waiting for loop For run N times before the while loop is executed again.  I also found that sometimes the first iteration of the loop For ends at 1 second instead of 3 seconds and the STOP button to complete execution of the While loop does not always work.

  This is the expected behavior. LabVIEW is the language of s DATA stream. If you want the curls to be independent, it can be data forcing addictive so use separate loops.

• Loop for does not run correctly

  I have a code for a RPG combat system where, when you press the button of the menu attack, the code goes through all children of stages determines which are related to the class enemy and then adds an event listener for each of them.

  function targetParse (): void {}

  for (var i: uint = 0; i < stage.numChildren; i ++) {}

  enemy of the var: Object = stage.getChildAt (i);

  trace ("identified enemy")

  If (the enemy's enemy) {}

  trace ("the enemy")

  enemy.addEventListener (MouseEvent.MOUSE_OVER, arrowControl);

  trace ("added listener")

  }

  else {}

  }

  }

  All these tracing instructions are for debugging. It arrives at "the enemy identified" but doesn't seem to be running the if statement.

  I think that's probably my syntax.

  I got it today.

  function targetParse (): void {}

  menu.Alpha = 0.5

  menu.attackBtn.removeEventListener (MouseEvent.CLICK, tourJoueur);

  for (var i: uint = 0; i< numchildren;="">

  enemy of the var: Object = getChildAt (i);

  If (the enemy's enemy) {}

  enemy.addEventListener (MouseEvent.MOUSE_OVER, arrowControl);

  trace ("enemy" + i);

  }

  }

  }

  The enemy variable should be redefined every time, it used to be above the loop for. It now works like a charm.

• Time for a while loop to run once

  Hello guys,.

  I want to measure the time for a while loop to run once. There is a piece of code raised. So I just created a simple VI to try, please let me know which is the right way to do it?

  And I wondered, when I run the VI without highlighting the execution, he wouldn't give me a number, maybe it's because the code is simple and really fast? I have to highlight all the time?

  Thank you

  Not quite right.  Both get primitive value time will run at the same time.  use an image sequence to force the order of execution, as shown.  I also brought in the relitve of accuracy seconds vi of VI. LIB\utilities because it depends on the clock of the system rather than the mSec timer accuracy.

  

• Samples buffered not updated in the loop For

  Hello.

  I'm having some trouble with DAQmx Read.

  I have 2 cards USB 6509 making a digital output to solve some multiplexers and I want to measure differential voltage

  using 2 boards of 6255 USB. I have a sample clock shared for 6255 boards through a PFI line. Unfortunately

  6509 boards do not allow for the synchronization of hardware I can say.

  So, to synchronize the functions I used a flat sequence to ensure that multiplexers are processed before acquiring the data of voltage

  and as you can see on the VI (LabVIEW 8.6) I use a loop to run 16 iterations and build a table with these data.

  The problem is that sometimes I get is error 200287 or 200010. And when I don't get an error, the data of 16 iterations

  is the same and it is incorrect because I'm monotoring the data to enter into the 6255 boards using a multimeter and data do not match.

  I seems to me that the analog input is read-only data iteration and I can't understand why.

  Also this VI takes a long time to run and it freezes for a few seconds on a few iterations.

  Can someone take a look at the VI and enlighten us please?

  I'm really stuck on this part.

  Thanks in advance.

  See you soon.

  Rui

  Rui,

  Well-that the code has sufficient space to improve performance!  Other than samples obvious to read the error that was made out, I recommend:

  • Read the excellent post from Sean earlier today!
  • Use "master of task.vi" to commit the task before starting the loop - as you have tasks enter the loop 'unverified' and so for each iteration tasks are verified, reserved, committed, started, stopped, no committed, without reserve and unverified. That's a lot of unnecessary work behind the scenes!
  • Do not pass 30000 as a sample to the slave task rate HAVE read the actual sampling frequency of the main task of a task property node and pass a LARGE value this actual sampling frequency to the task of the slave (sample rate can get under duress and you cause a bit of a problem)
  • Bring your constants out of the loop, that the 8.6 compiler doesn't have some of the modern optomizations available for reading constant each iteration is frowned on
  • Check your version of DAQmx.  You want more 9.1 to avoid the bug of the autostart.

• If doesn't work is not inside the loop for the registration of the declaration file?

  Hello!

  I have the following documents open in Photoshop:

  123456_mrp_ou. TIF

  869548_mrp_ou. TIF

  896589_mrp_in. TIF

  896589_mrp_ou. TIF

  .. and I have this if statement in a loop for to search for files with a specific 'pid' number and save them in the folder My Documents:

  var originalPid = 896589
  for(i = 0; i < app.documents.length ; i ++) {
        activeDocument = app.documents[i]
          if(activeDocument.name.substring(0,6) === originalPid) {
                  var standardSave = new File('/Users/constantincerdan/Documents/' + activeDocument.name)
                  activeDocument.saveAs(standardSave, TiffSaveOptions, false, Extension.LOWERCASE)
  }
  }
  
  
  

  It did not find the two files and save them when I run. However, the loop without if statement runs very well and saves all the documents in the Documents folder:

  var originalPid = 896589
  for(i = 0; i < app.documents.length ; i ++) {
        activeDocument = app.documents[i]
                  var standardSave = new File('/Users/constantincerdan/Documents/' + activeDocument.name)
                  activeDocument.saveAs(standardSave, TiffSaveOptions, false, Extension.LOWERCASE)
  }
  
  
  

  How it works with an if statement so that it saves only the two?

  Any help is very appreciated!

  You are comparing apples to oranges, you need to compare strings.

  originalPid = 896589;

  alert (typeof originalPid);

• How to run a while loop for 0.5 seconds?

  Hello

  I am doing a project and I'm stuck with the programming.

  Some time ago in a loop inside a box structure. When the real state of a structure box is enabled, the loop inside, should run for 0.5 seconds. How do this?

  Thanks in advance.

  Why you want to run a while loop? what you do inside that? If you want to perform any operation for a specific time, you can use a loop for.

• Error.' c:\docume~'\earl\locals~1\temp. A temporary file needed for initialization could not be created or cannot be written in ' when try to run 16-bit programs in windows xp computer at home.

  original title: 16-bit windows subsystem error

  I was able to run 16-bit programs on my computer with windows xp home edition. now when I try to open the program I get a 16-bit windows subsystem error. c:\DOCUME~'\earl\locals~1\Temp. a temporary file needed for initialization could not be created or cannot be written to. Make sure that the path exists, and the space is 'close' to teminate the application available.choose

  Hi EarlBettencourt,

  You can follow this link & check if the problem persists:

  Error message when you install or start an MS-DOS-based program or 16 - bit Windows based

  Hope the helps of information.

• Impossible to install the software to receive error message like "16-bit MS-DOS subsystem config.nt msiexec.exe file system not suitable for running MS-DOS and Microsoft Applications."

  Hello

  Original title: problem installing the software
   
  When my wife tries to install software (for example the updates of Windows or Itunes) on his Dell laptop (Windows Vista Home Premium), she gets this error developed box.
  "the 16-bit MS-DOS subsystem
  The msiexec.exe config.nt file this system is not suitable for running MS-DOS and Microsoft Applications. »
  Grateful for any ideas on how to fix this problem!

  Hello

  1. what 16-bit or software program you try to run? Should I use the CD Rom drive?

  2 - is the question also appear during the installation of Windows updates?

  3. have you made changes on the computer before this problem?

  Follow the methods and check them out below:

  Method 1: Perform a clean boot and check.

   

  To help resolve the error message, you can start Windows Vista or Windows 7 by using a minimal set of drivers and startup programs. This type of boot is known as a "clean boot". A clean boot helps eliminate software conflicts.

  How to troubleshoot a problem by performing a clean boot in Windows Vista or in Windows 7

  http://support.Microsoft.com/kb/929135

  
  Please note:  After troubleshooting, be sure to start your computer in normal mode by following step 7.

  Method 2:

  Run an analysis of auditor of system files on your computer and check for the issue.

  How to use the System File Checker tool to fix the system files missing or corrupted on Windows Vista or Windows 7

  http://support.Microsoft.com/kb/929833

  Method 3: Solve problems with programs that cannot be installed or uninstalled

  http://support.Microsoft.com/mats/Program_Install_and_Uninstall

  Hope the above information is helpful.

• I'm running Lotus Notes 8.5 on Windows 7 and when I try to open it - it opens for 2 sec and "blocks".

  I'm running Lotus Notes 8.5 on Windows 7 and when I try to open it - it opens for 2 sec and "blocks".

  See http://www-01.ibm.com/support/docview.wss?rs=899&uid=swg21385293.

  You are using a supported Windows 7 edition?

• Software LightScribe complains that Windows 8 Pro "operating system is not adequate for running Lightscribe"! It is important labeling CD and DVD Microsoft software!

  When you try to install the template or simple labeler, the following error message is given: "the operating system is not enough for running Lightscribe".

  I would be most gratefull if Microsoft would fix Windows 8

  See you soon

  HK

  Hello, HK,

  Thanks for posting in the Microsoft Community.

  I'm sorry to hear that you are facing problem with the installation of the Lightscribe software in the computer of Windows 8.

  Let us try to install the software program in Windows 7 compatibility and control mode; I'm sure this will help you to solve the problem.

  To install the software/program in Windows 7 compatibility mode, right-click on the configuration file and click Troubleshot compatibility, and then select Windows 7 and follow the prompt.

  Please provide us with more information, so that we could help you to solve the problem.

• For each does not properly in the XSLT file to two loops on a single node

  Hi all
  
  I'm transforming 2 inputs to a single target using XSLT. Both of the target entry of the same pattern and have the child element.
  In the XSLT, I gave this condition.
  "< xsl: for each select="$Variable1.payload/ns1:BookStore/ns1:Books ">
  < xsl: for-each select = "/ ns1:BookStore / ns1:Books" >
  "< xsl: if test="$Variable1.payload/ns1:BookStore/ns1:Books/ns3:BookId = ns3:Books / ns3:BookId ">
  
  My second for each does not work and in the target, I'm getting double elements. Help, please. Here are two xml source and xml desired target.
  1 XML source:
  
  < bookStore >
  < book >
  Name1 < name > < / name >
  author1 < author > < / author >
  < ID > 1 < / BookId >
  < quantity > 2 < / quantity >
  < price > < price / >
  < status > < / status >
  < book >
  < book >
  name2 < name > < / name >
  Author2 < author > < / author >
  < ID > 2 < / BookId >
  < quantity > 2 < / quantity >
  < price > < price / >
  < status > < / status >
  < book >
  < book >
  < name > NAME3 < / name >
  author of 3 < author > < / author >
  < ID > 3 < / BookId >
  < quantity > 2 < / quantity >
  < price > < price / >
  < status > < / status >
  < book >
  < / book >
  
  XML source 2:
  
  < bookStore >
  < book >
  < name > < / name >
  < author > < / author >
  < quantity > < / quantity >
  < ID > 1 < / BookId >
  < price > 100 < / price >
  < status > < / status >
  < book >
  < book >
  < name > < / name >
  < author > < / author >
  < quantity > < / quantity >
  < ID > 2 < / BookId >
  < price > 200 < / price >
  < status > NA < / status >
  < book >
  < book >
  < name > < / name >
  < author > < / author >
  < quantity > < / quantity >
  < ID > 3 < / BookId >
  < price > 300 < / price >
  < status > < / status >
  < book >
  < / book >
  
  Desired target XML:
  
  < bookStore >
  < book >
  Name1 < name > < / name >
  author1 < author > < / author >
  < ID > 1 < / BookId >
  < quantity > 2 < / quantity >
  < price > 100 < / price >
  < status > < / status >
  < book >
  < book >
  name2 < name > < / name >
  Author2 < author > < / author >
  < ID > 2 < / BookId >
  < quantity > 2 < / quantity >
  < price > 200 < / price >
  < status > NA < / status >
  < book >
  < book >
  < name > NAME3 < / name >
  author of 3 < author > < / author >
  < ID > 3 < / BookId >
  < quantity > 2 < / quantity >
  < price > 300 < / price >
  < status > < / status >
  < book >
  < / book >
  
  Thank you

  Hello

  It will not work like that... To do something like the following... Only one for each...

  
    
    
      ns1:Name
      ns1:Author
      ns1:BookId
      $Variable1.payload/ns1:BookStore/ns1:Books[ns1:BookId = $bookId]/Quantity
      $Variable1.payload/ns1:BookStore/ns1:Books[ns1:BookId = $bookId]/Price
      $Variable1.payload/ns1:BookStore/ns1:Books[ns1:BookId = $bookId]/Status
    
  
  

  I don't have to check the syntax, but you get the idea...

  I hope this helps...

  See you soon,.
  Vlad

• The data in a loop of consumption does not evolve

  Help!

  I am reading different voltage to an interval of 500ms in a loop of producer and move to the consumption loop. However, I notice that the values in the loop of the consumer do not change even when the voltage has changed?

  What can I do?

  You're probably stuck in inner loops. Given that the value of the voltage of the capacitor is powered in from out of the loop, this value will be used only inside the selection loop until the loop stops running. Thus, if the first capacitor voltage is lower than the upper threshold voltage, then the inner loop in the load case will never end.

  You don't need the inner loops at all. You want to test against thresholds exactly once for each reading of the voltage. The lead of the comparison to a case structure. If the condition is true, write to the output channel and change the State. Otherwise, do not write and return to the same State on the next reading.

  Another thing. When you stop the program, you can set the output before close so your capacitors do not sit it loads.

  Lynn

• Output graphics of two loops for

  I would like to see a graph of the output generated in both loops for.

  X: steps (i x I have two loops)

  Y: Y1 should graph the polar output

  Y2 should chart the Azimuthal output

  Probably very simple to resolve/upgrade in place.  (The output file works fine).

  Thank you

  Kevin

  Good work Kevin.

  I have some suggestions for you (I don't know what it will be eventually, because then maybe they're based):

  • If the data do not change over time, you can use a graphic instead of a graph; Whatever it is, reduce the necessary processing power by updating the two parcels only once for a full run of the outside loop (see below)
  • You have a lot of indicators that are not obviously necessary (they simply out what puts out control - off 4;) Stop 5; Polar; Azimuthal, etc.).  When you submit here, the code is more it is easy to understand and faster you get an answer (minimal document also helps understand us what all is for).
  • Use the decrement vi but don't take it off 1 (reduced the increase in code).
  • Avoid strain - explicitly cast I32 to double so that no appeal should be made to the Manager of memory running (will reduce your footprint of memory of codes).
  • Written file are intensive and bays of building CU generally allocate dynamically memory - try to avoid these as much as possible.  In your VI, you can write to the file once when all iterations are complete.  This will reduce the runtime of the VI.

  Anyway, there are a whole bunch of thoughts that you probably care to hear, but I hope they have been helpful.

  Cheers, Matt

  

• make a graph in real time of 1 DBL value at a time, using a loop for

  I have a somewhat interesting programming task where I have the following situation: (I have attached a mac version of vi Labview 2013)

  -Using a patented (pre-made and uneditable) sub - vi, who receives a value of 0 or 1 as input and reads off a single measure, whenever he receives 1 while a value of 0 is necessary to 'reset' of the vi to rehearse a new measure.

  -I would like to run this sub - vi repeatedly in a loop For each value of "measure" are sent to a curve of waveform to give a direct value (real time) for the graphic to display.

  -As it is, I have a vi file that simulates action in a loop but built in a 1 d array to get exuent values sent a waveform curve.

  -I don't know how to make a real-time graph which receives 1 value double both.

  -In addition, I want only every 2nd value sent to the loop for, but I already have several ideas on how to do it.  First of all, I am concerned about the target in real time.

  Kyle Shiel

  A graphic, not a graphic, allows you to update a point at a time. It would be inside the loop for. update the chart or not, you can use a select statement or the structure of the case.

  These are pretty basic functions in LabVIEW. Please see the free tutorials.