Declare the array in ResourceFile

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• inherit from the array class

  Hi, I want to create my array class that extends the functionality of the base table.

  I wrote something like this:

  package {}

  public class my_array extends {Array

  // (...)

  public void my_array(_long:int) {}

  // (...)

  Super (_long);

  }

  } / / class

  } / / packages

  in other words, I have to call the super constructor, and since then I declare a new table I Specifies the length of the array, I pass the length of the array to the super constructor.

  Nothing wrong so far, but when I try to use my new table, like this:

  var test: my_array = new my_array (10);

  test [0] = 1;

  I get this error:

  ReferenceError: Error #1056: cannot create 0 my_array property.

  at rob1_fla::MainTimeline/frame1()

  Then I replaced the 'super' line in the constructor of my class with this one:

  This super = (_long);

  and now I get this:

  1050: impossible to assign a value without reference.

  so, how to extend the class array, so I can use my new class of array indexes?

  TNX

  Make your class dyanamic.

• How to use the elements in the array

  Hi, I am trying to automate a questionnaire using table.

  In the compositionReady for the scene

  SYM. Actual = 0;

  sym.arr = ['Hi', 'Love', 'You'] / / this is my picture of the issue.

  sym.checkArr = function() { / / this function I use to check the issue table whis I'll use.}

  sym. Question = arr [real];      I want to use the value 'Hi' and then increase my 'real' var and then use the value 'Love '.

  }

  In my symbol calendar, I use a trigger in the trigger that I use

  SYM. Stop();

  sym.quest = sym.getComposition () .getStage (). Question; / / I get the value of the Question;

  Sym. $("Ask") .html (quest);                                                        "Ask" is an empty textfield;

  sym.getComposition () .getStage (invested) ++;                    Increase 'real' for the nex time.

  But the code does not work, I think that the problem is the way I use the array index.

  Help, please!

  Thank you =)

  Hello

  chino_10 wrote:

  at the outbreak of timeline you why did you use a local variable?

  It is advisable to use local variables when possible. The quest variable apply only to this trigger, and it will not be postponed to another trigger in the same timeline. So when you use a trigger to set the HTML for a text element in the same timeline, I find cleaner to assign a new value of a local variable HTML.

  chino_10 wrote:

  and if you call the 'real' global variable of Manager compositionReady of why didn' there you call him with all the way like ' sym.getComposition () .getStage (invested) ++; '?

  I think I have didn't express it as clearly as I could have. When you declare sym.actual in compositionReady, you actually declared a variable whose scope is the symbol of the main stage - it is not a global variable. To declare a global variable (which is not always recommended), your code in compositionReady would be:

  real = 0;

  This real variable would now be accessible from any element/symbol in the composition simply by assigning a value to the membership. You can see how quickly this could be embarrassing.

  So back to the scope of variables: If you declare a symbol variable using sym.varName, any element in the same scope may call using sym.varName. If your main scenario triggers can call without using the full address of sym.getComposition () .getStage () invested ++. Instead, you can simply use ++ sym.actual. Less code and easier to read. But if you call from another symbol (outside), you need to use the full, addressing the address actually the variable, i.e., sym.getComposition () .getStage () invested ++.

  HTH,

  Joe

• compare a variable to all elements in the array

  I know that this could be done by declaring unique visitors [10] instead of calling a variable for the length, but I'm learning how to use java more effectively. Here's the complete code:
  [code]
  package findunique;
  
  /**
  *
  * @author user
  */
  import java.util.Scanner;
  to import java.util.Arrays;
  
  public class findUnique {}
  
  /**
  @param args command-line arguments
  */
  Public Shared Sub main (String [] args) {}
  bring the scanner to capture the entrance
  The scanner keyboard = new Scanner (System.in);
  initialize variables and arrays
  int [unique];
  int loop;
  int loop2;
  int rt;
  [] int number;
  single int;
  unique = 1;
  Loop =-1;
  loop2 =-1;
  unique visitors = new int [unique];
  number = new int [10];
  loop for 10 entries
  While (loop < = 8) {}
  Add 1 to the loop counter
  ++ loop;
  RT = 1;
  Launch iner loop in order to ensure the entry is acceptable parameters
  While (rt == 1) {}
  System.out.println ("Please enter an integer between 10 and 100 :");
  Number [Loop] = Keyboard.nextInt ();
  If (number [loop] > 10 & & number [loop] < 100)
  RT = 0;
  else System.out.println ("Input out of range. Please try again. ») ;
  }
  Make sure the number is unique
  If (number [loop]! = unique visitors [0] & & number [loop]! = unique visitors [1] & & number [loop]! = unique visitors [2])
  & & number [loop]! = unique visitors [3] & & number [loop]! = unique visitors [4] & & number [loop]! = unique visitors [5]
  & & number [loop]! = unique visitors [6] & & number [loop]! = unique visitors [7] & & number [loop]! unique = [8])
  {++ loop2;}
  {If (loop2 > unique)}
  ++ unique ;}
  visitors unique [loop2] = number [loop] ;}
  }
  System.out.println ("unique integers entered are:" + Arrays.toString (unique));
  }
  }
  [/ code]
  
  
  I get an error IndexArrayOutOfBounds because of this line:
  
  If (number [loop]! = unique visitors [0] & & number [loop]! = unique visitors [1] & & number [loop]! = unique visitors [2])
  & & number [loop]! = unique visitors [3] & & number [loop]! = unique visitors [4] & & number [loop]! = unique visitors [5]
  & & number [loop]! = unique visitors [6] & & number [loop]! = unique visitors [7] & & number [loop]! unique = [8])
  
  I need to find a way to say:
  If (number [loop]! = unique visitors [allElements])
  
  where [allElements] is all the elements of the array in time.
  The goal is to keep the size of the visitors array [unique] only the actual number of unique integers entered.

  802281 wrote:
  using the loop check that the number is unique
  for (int i = 0; i)< 10;="">
  If (number [loop1]! = unique visitors [i] & number [i]! = 0) {}
  If so add a new one at loop2 and assign the number of the index following unique visitors]
  ++ loop2;
  visitors unique [loop2] = number [loop1];
  } }

  As I mentioned in the post above, here's the problem. See the code above I gave properly.

• Images to load a xml - can I chance the array in actionscript?

  I have a flash file that loads the images from an xml file. Is there a way to make the images load randomly? I would like a different image to start whenever it loads. Unfortunately, I do not know actionscript so that any help would be greatly appreciated.

  This is where the XML is pulled in the...

  var myXML2:XML = new XML();
  myXML2.ignoreWhite = true;
  myXML2.load ("gallery.xml");
  var thumbPath:Array = Array();
  var picPath:Array = Array();
  var link: Array = Array();
  var desc:Array = Array();
  _root.gapH = 17;
  horizontal space
  myXML2.onLoad = {function (success)}
  displayPage();
  };

  Here is where the first image has begun...

  mc_thumbnail.img._visible = false;
  load the first large image
  showLargeImage (picPath [0], [0] link, desc [0]);
  _root.currentImage = 0;
  _root.currentThumb = 0;
  showClickedThumbnail();
  If (_root.slideShow.toUpperCase () == 'ON') {}
  playSlide();
  }

  }

  I tried a few things in two places with similar examples, but I'm just not getting anything to work. If anyone can help with code? Should what changes I make where? Please... any help would be greatly appreciated.

  Here's an approach I think works.  First create a new feature called shuffle().  This will serve to randomize the elements of an array.  The elements of this array will be indexes from the tables that contain the information of the image.  If the code will eventually sequencing of images in random order of these iindexes... (Yes, it's a potential brain twister, but I hope you catch).  I'm posting added/modified code in red. and the «...» "just to save space and shows all the code for the displayPage() function.  I don't think that most of that function must be reviewed than what I show, but I could be wrong

  This new feature is to randomize the index for images

  function shuffle (a) {}
  var len is. Length-1;
  for (i = len; I > = 0; i--) {}
  var percent = Math.floor (Math.random () *(i+1));
  var t = [i];
  a [i] = a [p];
  a [p] = t;
  }
  return a;
  }

  function displayPage() {}
  ....
  ....

  _root.numberOfThumbs = _root.numberOfItems;

  Declare an array of indexes

  var randomIndexes:Array = new Array();

  Load it with values 0 through numberOfItems
  for (var j = 0; j)<_root.numberOfItems;>

  randomIndexes.push (j);
  }

  randimize table of index
  randomIndexes = shuffle (randomIndexes);

  for (var i = 0; i)<_root.numberOfItems; i++)="">
  thumbPath [i] = xml.childNodes [randomIndexes [i]] Sublst.ChildNodes(1).ChildNodes(0) [0] Sublst.ChildNodes(1).ChildNodes(0) [0] .nodeValue;
  picPath [i] = xml.childNodes [randomIndexes [i]] Sublst.ChildNodes(1).ChildNodes(0) [1] Sublst.ChildNodes(1).ChildNodes(0) [0] .nodeValue;
  link [i] = xml.childNodes [randomIndexes [i]] Sublst.ChildNodes(1).ChildNodes(0) [2] Sublst.ChildNodes(1).ChildNodes(0) [0] .nodeValue;
  DESC [i] = xml.childNodes [randomIndexes [i]] Sublst.ChildNodes(1).ChildNodes(0) [3] Sublst.ChildNodes(1).ChildNodes(0) [0] .nodeValue;
   
  ....
  ....
  }

• Questions about to determine the size of the array of data storage with flexibility

  I try to use the CVI function below to load data from .csv file to the table that I was intending to use later:

  filereturnvalue = FileSelectPopup ("c:\\Users\\Desktop\\FileDirectory", "*.csv", "", 'Select the data file', VAL_LOAD_BUTTON, 0, 0, 1, 0, LoadFilePath);

  FileToArray (DATAArray, VAL_CHAR, LoadFilePath, MaxDataSize, 1, VAL_GROUPS_TOGETHER, VAL_GROUPS_AS_COLUMNS, VAL_ASCII);

  For the data table "predetermined", it is quite straightforward, because the size of the table is already set.  However, I wonder if there is anyway I could use CVI directly import data and determine the size of the array on the fly?  Which means that the user need not know the length of the data, and it could be determined then to import the file.

  Hello

  for ASCII files, you can do so in any first read the file and counting the newline characters, something like:

  int file_handle;
  int index;
  int size = 0;
  char line_buffer [80];

  If (OpenFile (...) > 0)
  {
  While (ReadLine (...) > 0)
  {
  size ++;
  }
  }
  CloseFile(f) (file_handle);

  This way you can determine the number of rows you have, but you must have an idea of how long a line may be, one number per line or 32000 because you must specify the size of your line_buffer.

  In the next step you analyserions monotube for occurrence of your column separator (say a ;) to determine the number of columns (separators found + 1).

• How can I index an element of the array as "index Board" function to labview?

  Hello:

  I am looking for a method to search an array with indexes and return the element specified by the given index.

  as the array index of the labview function, but I can't find an exact symbol in teststand-table-operations/functions.

  I am new to teststand and everyone knows how to use labview in teststand.

  anyone can teach me?

  Thanks in advance!

  Thanks anyway, found in the API

• What is READ the array returned by the DAQmx meter? How can I know the two functions DAQmx READ data stream in the same WHILE loop?

  I have a question about the order of execution.  In the WHILE loop, I have two things to measure, period and tension using the DAQmx READ functions for voltage and the meter.  In the end, I want to collect these data as points almost simultaneously as possible, as a pair and then send them together to another piece of code (not shown here) which them will result in some sort of command for an engine.  It would be run, and then I want to perceive the tension and the period at a time later and do the same thing.

  (1.) I'm a little confused on what the meter of the READ function is back because it's a table.  What is a picture of?  I thought that it was up to the value of the individual periods between rising edges.  The output of the counter 1 DBL d's a table. How many elements in this table, and what determines the size of this table?  Are the elements of the array the individual delays between the edges?  How many values are stored in the array by executing?   We take the AVERAGE of the last 15 items, but do not know if we are throwing some of the data or what.  How to understand the composition of this painting?  How can I change the composition of this painting?  Is it possible to measure only one period at a time, for example the time between TWO edges?

  2.) Will this WHILE loop execute as it gathers tension and a "period table ' (remains to be understood by me) by TIME running in a loop?  In particular, we want that the value of the tension associated with the value of the AVERAGE of the period "array", so we can use two data items to create orders of next control every time that the two values are reported.  The structure for the delivery of vi will be attached data in pairs like this?  I understand that one of the READING functions run not before the other function of READING in the WHILE loop.  I want that the period "means" and "strain (Volt) collected at the same pace. This vi will he?

  Thank you

  Dave

  Hi David,

  I suggest including the DAQmx Start Task function. If it does not start before the loop, it starts the loop and work very well, but it is not as fast and efficient. In the model of task status, task wiill go to run the checked each iteration of the loop and then back the time checked running when it restarts.

  The status of the task model: http://zone.ni.com/reference/en-XX/help/370466V-01/mxcncpts/taskstatemodel/

  Kind regards

  Jason D

  Technical sales engineer

  National Instruments

• How to change the value of the array element by using the property node

  Hello all :)

  IM using a table in the drop-down list box. the size of the array is not fixed.

  I want property strings [] from the drop-down list box to enter text in selection, but since I placed it inside the table im unable to use this property.

  I used 'arrayelem' reference property and property node connected to it but got no strings [] in the selection.

  so is it possible that I can use property strings]

  
  

• Calc independent PtByPt on the elements of the array

  Hello

  I have a double table as input, and with each iteration of the main VI, I would calculate the average and standard deviation separately on all the elements using PtByPt VI.

  Fortunately, in my case, I know that the size of the array is maximum 11. My solution works, but I would like to know what is the best approach, if I have to deal with a wider range, and especially if I don't know the maximum size in advance...

  That's my solution and the VI.

  Thank you!

  PS: I have renamed the extension VI VI lives to fool the buggy uploader...

  

  It is not too difficult to change the screw 'PtByPt' to be RowByRow by changing state data.  But I would probably go the dynamic road first if I knew the number of columns where bounded by a reasonable number.

  

• Reference to the array of Clusters with an array element

  Hello

  I have an array of clusters of CONTROL (qualifying as "upper-tier cluster table") with one of the items is an array of cluster cluster (see attached).

  I intend to "reference" of this cluster of high level at different screws (as add item VI, insert item VI, delete the item VI etc.) and access (add/edit delete) the elements of this array.

  

  In my code, how I cataloged the array element (cluster) on the cluster internal (as shown on the figure)?

  I use LV RT on PXI.

  

  Hello smercurio_fc,

  Thank you for your example! Just a question: actually, with shift registers, is an example of creating a local copy of the full range? Even if the value of the lowest level cluster is changed, is the complete table is updated at the end (registry value to offset the full picture at the right end is updated using the reference node and property)? This VI will be slow when the size of the array becomes great?

  Comment of nicely.

• change the array type in a script

  I have a script that uses a model to generate code. So far, I have a refnum in an array of doubles (the default type of the table in the model). Now, I need to change the types of elements in the array. I tried the 'set' vi in utilities VariantDataType table, but does not. How can I do this?

  Here is a way.

  

• copy data in the array constant

  Hi, I have seen in an example that someone stores data of a spectrum in a constant, table joint please.

  I am trying to do the same and copy a colum given the same constant and found that it is not easy, as I thought?

  Can someone help me please?

  Thank you

  The array to an indicator of output, right-click in the table and replace constant.

  /Y

• by passing the array of strings of Teststand to LV dll

  Hello

  I wonder, why is it not possible to pass an array of strings 1 d of TestStand to a dll, which is compiled with LabView. By the way the PropertyObject works very well, but as parameter category "Array of Strings" exist in the call dll TestStand pane, it should be possible to pass an array directly. I get an empty dialog box, where I try to view the contents of the array passed directly.

  Why it does not work?

  

  
  

• mathematical calculation in script on each element of the array.

  Hi all

  I am trying to write the VB script in which I want to do different mathematical operation on each element of channel-specific data. For example, for each element I want to find the next two index given way and both before and after publication of the results on the basis, then it is more calculating.

  It will be very useful if someone can guide me in the execution of operation on the elements in the array inside the script of tiara, that we can do in labview using indexes in the table. There are built-in math and statistics in tiara tab analysis tool. But I want to design for my custom mathematical operation.

  Thnks

  HS

  Hi HS,

  Here is a version 10.2 tiara from what I understand ask you:

  Window = 2

  Denom = 2 * window + 1

  Threshold = 10

  Chnum = CNo("[1]/Speed")

  FOR i = 1 + ChnLength (Chnum) window - window

  Sum = 0

  FOR j = i - window to i + window

  Sum = sum + ChDX (j, Chnum)

  NEXT ' j

  Ave = sum/Denom

  IF Ave > threshold CAN

  ' do action of contingent

  END IF

  NEXT ' I

  Brad Turpin
  Tiara Product Support Engineer
  National Instruments