Tri-Dimensional Array Alternatives

Hello:
I am looking for code example, structure or object that can be an alternative to a Tri-Dimensional array because I was facing memory (Out Of Memory Exception) problems when I declare and initialize a tri-dimensional array of doubles.
I already tried increasing the heap memory of the Virtual Machine, with the proper commands. That did not solve the problem.
Does Java has an alternative to Tri-Dimensional arrays?
Any help is appreciated.

If I am having problems just for a simple [2][2][3]
array... there must be another problem I don't know
yet.DING DING DING!!!!
Give that man an honorary sleuth card.
Yes, that's very weird.
It might be that something else is eating up almost all your memory, and this just happens to push it over the edge. does a single array of [12] or [20] or [50] do it? What else are you allocating before that?
It might be something weird with your Java installation. What version and platform?
It might be that when you execute "java" it's a shell script or batch file that ignores your -Xmx arg and passes its own smaller one to the actual java excutable.
It might be that you're not recompiling everything, or not deploying to where you think you are, and even when you're doing (or think you're doing) [2][2][3], there's some older code out there that's allocating much more.
It might be none of the above.

Similar Messages

How can I (neatly) control mouse click events in a multi-dimensional array?

Hello everyone!
     I have a question regarding the use of mouse clicks events in a multi-dimensional array (or a "2D" array as we refer to them in Java and C++).
Background
     I have an array of objects each with a corresponding mouse click event. Each object is stored at a location ranging from [0][0] to [5][8] (hence a 9 x 6 grid) and has the specific column and row number associated with it as well (i.e. tile [2][4] has a row number of 2 and a column number of 4, even though it is on the third row, fifth column). Upon each mouse click, the tile that is selected is stored in a temporary array. The array is cleared if a tile is clicked that does not share a column or row value equal to, minus or plus 1 with the currently targeted tile (i.e. clicking tile [1][1] will clear the array if there aren't any tiles stored that have the row/column number
[0][0], [0][1], [0][2],
[1][0], [1][1], [1][2],
[2][0], [2][1], [2][2]
or any contiguous column/row with another tile stored in the array, meaning that the newly clicked tile only needs to be sharing a border with one of the tiles in the temp array but not necessarily with the last tile stored).
Question
     What is a clean, tidy way of programming this in AS3? Here are a couple portions of my code (although the mouse click event isn't finished/working correctly):
public function tileClick(e:MouseEvent):void
   var tile:Object = e.currentTarget;
   tileSelect.push(uint(tile.currentFrameLabel));
   selectArr.push(tile);
   if (tile.select.visible == false)
    tile.select.visible = true;
   else
    tile.select.visible = false;
   for (var i:uint = 0; i < selectArr.length; i++)
    if ((tile.rowN == selectArr[i].rowN - 1) ||
     (tile.rowN == selectArr[i].rowN) ||
     (tile.rowN == selectArr[i].rowN + 1))
     if ((tile.colN == selectArr[i].colN - 1) ||
     (tile.colN == selectArr[i].colN) ||
     (tile.colN == selectArr[i].colN + 1))
      trace("jackpot!" + i);
    else
     for (var ii:uint = 0; ii < 1; ii++)
      for (var iii:uint = 0; iii < selectArr.length; iii++)
       selectArr[iii].select.visible = false;
      selectArr = [];
      trace("Err!");

Andrei1,
     So are you saying that if I, rather than assigning a uint to the column and row number for each tile, just assigned a string to each one in the form "#_#" then I could actually just assign the "adjacent" array directly to it instead of using a generic object to hold those values? In this case, my click event would simply check the indexes, one at a time, of all tiles currently stored in my "selectArr" array against the column/row string in the currently selected tile. Am I correct so far? If I am then let's say that "selectArr" is currently holding five tile coordinates (the user has clicked on five adjacent tiles thus far) and a sixth one is being evaluated now:
Current "selectArr" values:
       1_0
       1_1, 2_1, 3_1
              2_2
New tile clicked:
       1_0
       1_1, 2_1, 3_1
              2_2
              2_3
Coordinate search:
       1_-1
0_0, 1_0, 2_0, 3_0
0_1, 1_1, 2_1, 3_1, 4_1
       1_2, 2_2, 3_2
              2_3
     Essentially what is happening here is that the new tile is checking all four coordinates/indexes belonging to each of the five tiles stored in the "selectArr" array as it tries to find a match for one of its own (which it does for the tile at coordinate 2_2). Thus the new tile at coordinate 2_3 would be marked as valid and added to the "selectArr" array as we wait for the next tile to be clicked and validated. Is this correct?

Populating ADF Table from Multi-Dimensional Array

Hello!
I'm trying to populate an ADF table from a multi-dimensional array.
Let's say that my array is
String [] [] myArr = new String [3][5].
On my page backing bean, I have a private attribute called tmpArr like this...
String [] [] tmpArr;
...which I will initialize later after I know the proper dimensions. The dimensions will come from a multimap that contains a key and and another array (for the key's value) containing values for the key. So once I know the dimensions I initialize my array with...
tmpArr = new String [x][y] where x and y are the dimensions (counters).
Now I have my multidimension array. On an jsp page I have an ADF table, and I'm setting the value for the table to the array (the table's value property is bound to the backing bean's tmpArr attribure).
Like so:
<af:panelForm id="availableOptions"
binding="#{myBackingBean.availableOptionsValues}">
<af:table emptyText="No items were found" rows="10"
value="#{myBackingBean.tmpArr}" var='myArr'>
Now I need to know how to do the following:
1) Set the table's columns based on the number of attributes on the array.
2) Set the table's rows based on the array's length.
3) Set each table cell value to values on the array's 2nd dimension. I'm assuming that ADF takes care iterating through the array, and that I should do something like...
<af:outputText value="#{myArr[][0]}"/>
<af:outputText value="#{myArr[][1]}"/>
etc...
However, this isn't working...
javax.faces.el.ReferenceSyntaxException: myArr[][0]
...bla bla bla...
Was expecting one of:
<INTEGER_LITERAL> ...
<FLOATING_POINT_LITERAL> ...
<STRING_LITERAL> ...
"true" ...
"false" ...
"null" ...
"not" ...
"empty" ...
<IDENTIFIER> ...
Is there a blog or resource (article, book, etc) that shows how this is done? Anyone has done this and would like to share how?
Thank you.

This is in fact possible. I'm not sure about the "best practice" around doing this but there is a couple of ways to do this.
You can either create a managed bean then right click on it and use the wizard to create a data control or you can do it as per below
The a table will convert an array into a collection.
Once you have created an array and generated the accessors in a bean you can then reference the mutli-dimensional array from a table as per below.
<af:table value="#{pageFlowScope.PageBean.sessionArr}" var="row" rowBandingInterval="0" id="t1" varStatus="status">
<af:column sortable="false" headerText="col1" id="c1">
<af:outputText value="#{pageFlowScope.PageBean.sessionArr[status.index][0]}" id="ot1"/>
</af:column>
</af:table>
String [][] sessionArr = new String[5][2];
public void setSessionArr(String[][] sessionArr) {
this.sessionArr = sessionArr;
public String[][] getSessionArr() {
sessionArr[0][0]="rice";
sessionArr[1][0]="water";
return sessionArr;
EDIT: For either of the above methods the managed bean must have a scope of pageFlow or longer.
Cheers,
Aaron
Edited by: Aaron Rapp on Oct 6, 2011 3:28 PM

Best practice in JSTL with multi-dimensional arrays

Hi,
I'm working in a project and I'm trying to convert some code into JSTL way, I have a first.jsp that calls addField(String, String) from fieldControl.jsp:
(first.jsp)
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ include file="fieldControl.jsp" %>
<html>
<head><title>JSP Page</title></head>
<body>
<%! String[][] list1;
%>
<%
list1 = new String[2][2];
list1[0][0]="first_1";
list1[0][1]="first_2";
list1[1][0]="second_1";
list1[1][1]="second_2";
for (int i=0;i<list1.length;i++){
String html;
html = addField (list1[0], list1[i][1]);
out.println(html);
%>
</body>
</html>
(fieldControl.jsp)
<%@page contentType="text/html"%>
<%@page pageEncoding="UTF-8"%>
<%@ page language="java" %>
<%! public void addField(String name,String label)
return ...
Now for JSTL I've this example from "JSTL pratical guide for JSP programmers" Sue Spielman:
<%@ taglib uri="http://java.sun.com/jstl/core" prefix="c" %>
<html>
<head>
<title>
Display Results
</title>
</head>
<body>
<%-- Create a HashMap so we can add some values to it --%>
<jsp:useBean id="hash" class="java.util.HashMap" />
<%-- Add some values, so that we can loop over them --%>
<%
     hash.put("apples","pie");
     hash.put("oranges","juice");
     hash.put("plums","pudding");
     hash.put("peaches","jam");
%>
<br>
<c:forEach var="item" items="${hash}">
I like to use <c:out value="${item.key}" /> to make <c:out value="${hash[item.key]}" />
<br>
<br>
</c:forEach>
</body>
</html>
and my problem is :
1st - how to use the multi-dimensional array in this way (<jsp:useBean id="hash" class="java.util.HashMap" />) ? because if I use it like this
<% String[][] list1;
list1 = new String[2][2];
list1[0][0]="first_1";
list1[0][1]="first_1";
list1[1][0]="second_1";
list1[1][1]="second_2";%>
<c:out value="${list1}" />
<c:out value="${list1.lenght}" />
I get nothing,
also tryed <c:set var="test" value="<%=list1.length%>" /> and got "According to TLD or attribute directive in tag file, attribute value does not accept any expressions"
2nd hot to make the call to the method addField?
Thanks for any help, I really want to make this project using JSTL, PV

When you are using JSTL, it is best to not put data inside the JSP. Put it inside JavaBeans. Then make calles to the methods in those JavaBeans.
So you should get used to JavaBeans and their requirenments.
Access JavaBeans only through 2 types of methods: getters and setters.
Getters are used to "get" values (properties) from the bean, and always have the form
public Type getPropertyName(void)
That is, they are public, return some value, start with the exact string "get" end with the name of the property (first letter of the property name capitalized) and have a void (empty) argument list.
For example, this is a good signature to get HTML from a bean:
public String getHtml()
Setters are used to assign values to a bean. They always have the form
public void setPropertyName(Type value)
That is, they are public, do not return anything, start with the string "set", end with the name of the property (first letter capitalized), and take a SINGLE parameter.
public void setHtml(String value)
Also, JavaBeans must have a no argument constructor and need to be Serializable.
The way I would approach this would be to create a JavaBean that holds the two dim array for you, and has a getter that returns a list of all the formatted html.
package mypack;
import java.util.List;
import java.util.ArrayList;
public class DataFormatterBean implement java.io.Serializable {
private String[][] list;
public DataFormatterBean() {
    list = new String[2][2];
    list[0][0]="first_1";
    list[0][1]="first_2";
    list[1][0]="second_1";
    list[1][1]="second_2";
public List getHtml() {
    List outputHtml = new ArrayList(list.length);
    for (int i = 0; i < list.length; i++) {
      String html = addField(list[0], list[i][1]);
outputHtml.add(html);
return outputHtml;
private addField(String a, String b) { .. do work .. }
Then, the JSP would look like this:
<jsp:useBean id="dataFormatter" class="mypack.DataFormatterBean"/>
<c:forEach var="htmlString" items="${dataFormatter.html}">
<c:out value="${htmlString}"/>
</c:forEach>Once you start thinking in terms of having JavaBeans do your work for you JSTL is so much easier... and it gets even easier when you start to delve into custom tags.

How to use two dimensional array in custom.pll

HI
How to use two dimensional arrays in custom.pll
I tried by the following way .
type ship_array is table of number index by binary_integer;
type vc_array is table of ship_array index by binary_integer;
But I am getting the error as that
A plsql table may not contain a table or a record with composite fields.
Please tell me the way how to use them

which forms version are you using? two dimensional arrays are available in >= 9i if memory serves.
regards

Setting up a multi dimensional array of objects

Hey ya'll. How would i setup a multi dimensional array with this structure?
TypeSave(Title, material(name, quantity))
TypeSave[1](Lego Shop, material[1](Lego Blocks, 100))
               material[2](Roof, 1))
TypeSave[2](Lego Car, material[1](Door, 2))
          material[2](Gravy, 3, ounces))
TypeSave will be saved as a serialised object to a file so i can load everything within it and keep the structures integrity.
I'll have an add button that will add the name and quantity to the next empty position of "material" array. This will then be listed in a list box and allow me to save all the materials with a title to the TypeSave list in the next empty position.
I'm getting mightily confused how to set up the classes and the array structure :(
Any help would be greatly appreciated!

private TypeSave t = new TypeSave();
private void btnSaveItemActionPerformed(java.awt.event.ActionEvent evt) {
        t.addItem(txtItemTitle.getText(), new Material(txtMaterialName.getText(),txtQuantity.getText()));
        t.saveToFile();
     * @param args the command line arguments
    public static void main(String args[]) {
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new MainForm().setVisible(true);
    class Material implements Serializable {
     String name = null;
     String quantity = null;
     //To restrict default constructor
     private Material() {
     public Material(String name, String quantity) {
          this.name = name;
          this.quantity = quantity;
     public String getName() {
          return this.name;
     public String getQuantity() {
          return this.quantity;
     public String toString() {
          return "Name : " + this.name + "Quantity : " + this.quantity;
class TypeSave implements Serializable {
     private Hashtable items = null;
     public TypeSave() {
          items = new Hashtable();
     public void addItem(String title,Material material) {
          ArrayList materials = (ArrayList) items.get(title);
          if(materials == null) {
               materials = new ArrayList();
               items.put(title,materials);
          materials.add(material);
     public Hashtable getItems() {
          return this.items;
     public ArrayList getItem(String title) {
          return (ArrayList)this.items.get(title);
        void saveToFile() {
    ObjectOutputStream oos = null;
        try
        oos = new ObjectOutputStream(new FileOutputStream("item.ser"));
        catch (IOException i)
          System.out.println( "Error opening file");
      try
        oos.writeObject(items);
        catch (IOException o)
            System.out.println("Error writing file");
      try
          if(oos != null)
          oos.close();
        catch (IOException x)
            System.out.println("Error closing file");
}My save class was working, but i tried to merge it to test this code structure and now it's failing with excepion:
"Exception in thread "AWT-EventQueue-0" java.lang.NullPointerException"
any ideas?

Count the number of values in a two dimensional array

i am trying to figure out how to count the number of values in a two dimensional array.
numScores = student[i][j].length;This doesn't work, i am trying to find a way of counting the columns

Object[][] o;
int tot = 0;
for(int x = 0 ; x < o.length ; x++)
tot += o[x].length;
}If it's not a jagged array, however, this would be easier:
int tot = o.length * o[0].length;

Multi-dimensional arrays with non-specified dimension

Hi all,
I'm trying to write a method to create a multi-dimensional array of
Integer, based on another one, taken as parameter. I would like the
method to work for an array of a non-specified dimension, that is,
it could take as parameter a Integer[], or a Integer[][], or a
Integer[][][] and so on.
The idea is to have as a result an array with the original elements
doubled.
Here is my recursive function:
    public static Object[] f(Object[] a) {
         // the array to be returned is created with the
         // same size as the original
        Object[] r = new Object[a.length];
        for (int i=0; i<a.length; i++) {
            Object elem = a;
Object newElem = null;
if (elem instanceof Object[]) {
// Recursive case
newElem = f((Object[]) elem);
} else if (elem instanceof Integer) {
// Base case
newElem = new Integer(((Integer)elem).intValue() * 2);
r[i] = newElem;
return r;
This method returns an array with the same structure (that is, same
dimensions) of the array taken in the constructor. In the recursive
case, it just calls the function to the inner arrays. In the base
case, where I have an Integer, it creates a new Integer, whose
value is the old multiplied by 2.
Then I initialize an array:
    public static void main(String args[]) throws Exception {
        Integer[][] a = new Integer[][] {
            new Integer[] {
                new Integer(0), new Integer(2)
            new Integer[] {
                new Integer(1), new Integer(4), new Integer(3)
// And try to call the function like this:
        Integer [][] b = (Integer [][]) f(a);
    }   And I get a java.lang.ClassCastException: [Ljava.lang.Object;
I don't understand the reason of this exception, because the
object returned is a Integer[][]. Isn't it?
And since I don't have a compiler error in the cast, that means
that Object[] and Integer[][] are not inconvertible. Right?
Could anyone explain me why this is wrong and/or give me some
ideas to do what I'm trying to do?
Thanks a lot,
Angela

I retract my previous statement about using
reflection. Use "Object[] r =(Object[])a.clone()"
to create a new array of the same type.You don't need temporary array variable here.
You could simply use argument a instead of r.
(But this my gotcha is derived from your clever rep.)Well, this isn't a temporary variable, its the return variable, which is different. If you don't want the original matrix changed, you have to clone the argument.

Multi-dimensional Array Question

Hi all,
I am trying to build a Multi-dimensional Object Array from several One Dimensional Object Arrays. I am looping through a .properties file to determine how many individual Object Arrays will be added to the Multi-dimensional Array. The part that I am having trouble with is in adding each Array to the Multi-dimensional Array in the loop.
For example:
public Object[] getRowData(String row_str)
    StringTokenizer st = new StringTokenizer(row_str,"|");
    Object[] row_data = new Object[st.countTokens()];
    for(int i = st.countTokens();i > 0;--i)
      Arrays.fill(row_data,st.nextToken());
    return row_data;
public Object[][] getTableData()
    int rows = new Integer(resources.getString("Rows")).intValue();
    Object[][] data = null;
    for(int j = 0;j < rows;j++)
      String row_str = resources.getString("row_"+j);
      Object[] row_data = getRowData(row_str);
// Here is the prolbem. I need to add each individual row_data Array to the Multi-dimensional Array(data) .
//      data = row_data; This does not work.
    return data;
}Thanks in Advance.

Set the 2darray size ...then do some casting ...don't forget the index [j]:
    Object[][] data = new Object[rows][0];
    for(int j = 0;j < rows;j++)    {
      data[j] = (Object[]) row_data;
    }

Cloning multi-dimensional arrays

I am working on this program of mine and really need some help since I am completely stuck, the thing is that I am trying to clone a multi-dimensional array, I have tried with a simple array and that worked fine, but not with the multi-dimensional. Like this:
int[] initialSquareValues3 = {1,2,3};
int[] squareValues3 = initialSquareValues3.clone();
System.out.println(initialSquareValues3[0]);
System.out.println(squareValues3[0]);
squareValues3[0] = 3;
System.out.println(initialSquareValues3[0]);
System.out.println(squareValues3[0]);
Will give the output "1 1 1 3", just what i want. While this:
int[][] initialSquareValues2 = {{1,2,3}, {4,5,6}, {7,8,9}};
int[][] squareValues2 = initialSquareValues2.clone();
System.out.println(initialSquareValues2[0][0]);
System.out.println(squareValues2[0][0]);
squareValues2[0][0] = 3;
System.out.println(initialSquareValues2[0][0]);
System.out.println(squareValues2[0][0]);
Will give the output "1 1 3 3" where "squareValues2" only seems to be a reference to the same data as the original "initialSquareValues2"
So the question is simply: How do i clone a multi-dimensional array?
I'm running Java SE 5.0 (1.5.0) and the code is run inside the contructor in a class extending JPanel.

No need to explicitly do any copying of elements except as part of deepening the clone.
    public int[][] cloneIntArrays(int[][] array)
        // Create shallow clone
        int[][] clonedArray = array.clone();
        // Deepen the shallow clone
        for (int index = 0; index < clonedArray.length; index++)
            clonedArray[index] = clonedArray[index].clone();
        return clonedArray;
    }

Multi-Dimensional Arrays

Greetings everyone,
Currently I am working on a project for school, this is my first term in Java and a project we have been assigned to do is pretty much create a application (using the SDK for use on the computer only) and create a application where a new user can modify a new computer from a base system via combo boxes, check boxes, radio buttons and what not. Here is me question. I was going to try and get tricky and create a three dimensional array to link the combo box with a label so the end user could choose an up grade, see what the upgrade did and see what the cost was say for instance:
Athlon 64X2 4200+(combo) amd athlon 64 X2 4200+ 2.2GHz 1MB Cache Add $300.00
Each one of those i was thinking i could place in a seperate column and each have a variable already assigned such as array[0][0] = Athlon64X2 4200+ array[0][1]="AMD Athalon 64.." array[0][2]="Add $300.00". I thought that, maybe it is, and i did something wrong and missed something. Anyhow, now i have broke it down to trying to do it with a reg array feeding the combo and the two dimensional array doing teh cost upgrade and the description, i guess my question is, why is it when i seem to try everything to grab the information i set in the array it does not seem to want to pull it. And if and when i do get it to work, how can i link the two dim with the combo. I am rather confused, maybe i am looking more into it then there really is, which i have done in other languages.
If someone could give me a moch code using what i had there so i might clear the fog in me head, it would be greatly appreciated. If i have confused others with my confusion, just ask and i will try to clear it up. Thanks for all and any help.
Whitz3nd

The course i am taking is a rather basic Java programming class. We are using arrays instead of databases to get use to working with handling data. That is why the arrays. If that clears anything up. I know it seems kind of crude, like i said it is a basic Java class.
Here is an easier question, that i would like to know:
in a two dimensional array,
if i had this info:
AMD Athlon64 3100+
AMD Athlon64 3300+
AMD Athlon64 3800+
and
Add $100.00
Add $200.00
Add $200.00
How would i place this data into an array. Would it be this way:
String [][] test = { {"AMD Athlon64 3100+,Add $100.00"}, {"AMD Athlon64 3300+,Add $200.00"},{"AMD Athlon64 3800+,Add $200.00"} };
As i said, i am a new person to the programmaing world, so please excuse my shortcomings!

Multi-dimensional Arrays in JSP

Hello,
i am writing my first lines of JSP Code and need some help. what is up with Multi-dimensional Arrays in JSP? Is it possible in JSP? I tried to realise it like in JavaScript, without success.
So, please help me :)
Mark

Hello,
i am writing my first lines of JSP Code and need some
help. what is up with Multi-dimensional Arrays in
JSP? Is it possible in JSP? I tried to realise it
like in JavaScript, without success.
So, please help me :)
Mark

Sort two one dimensional arrays

I am having trouble sorting two one dimensional arrays. The first array is int type with ID numbers. I use a bubble sort to sort those. The other array is a string array of video titles. When the first int type array of ID numbers sort, I want the second string type array to follow it. I have tried many things and I can not get it to work properly. Here is what I have for now without the string sort. Can someone help me?
public class Video
     public static void main(String[] args)
     int[] numID = {168, 397, 102, 39, 239};
     String[] videoTitle = {"Godzilla", "Superman", "Hannibal", "Star Wars", "Men In Black"};
     System.out.println("Here are your selections:");
     System.out.println();
System.out.print(numID[0]);
     System.out.println("\t" +videoTitle[0]);
     System.out.print(numID[1]);
     System.out.println("\t" +videoTitle[1]);
     System.out.print(numID[2]);
     System.out.println("\t" +videoTitle[2]);
     System.out.print(numID[3]);
     System.out.println("\t" +videoTitle[3]);
     System.out.print(numID[4]);
     System.out.println("\t" +videoTitle[4]);
     System.out.println();
System.out.println();
//Sorting ID numbers in ascending order
     int a;
     int b;
     int temp;
for (a = 0; a < (numID.length - 1); ++a)
     for(b = 0; b < (numID.length - 1); ++b)
          if(numID[b] > numID[b + 1])
                         temp = numID;
                         numID[b] = numID[b + 1];
                         numID[b + 1] = temp;
          System.out.println("Here are your selections in ascending order:");
          System.out.println();
     System.out.print(numID[0]);
          System.out.println("\t" +videoTitle[0]);
          System.out.print(numID[1]);
          System.out.println("\t" +videoTitle[1]);
          System.out.print(numID[2]);
          System.out.println("\t" +videoTitle[2]);
          System.out.print(numID[3]);
          System.out.println("\t" +videoTitle[3]);
          System.out.print(numID[4]);
          System.out.println("\t" +videoTitle[4]);
          System.out.println();
     System.out.println();

There are ways to do that, of which the simplest would be to switch entries in both arrays at the same time. But since Java is an object-oriented language, the better way to do it would be to make a Video object containing a number and a title, put those objects in an array, and sort the objects.

Pda 8.0 multi dimensional array support?

I've just spent most of this day chasing down a problem with a vi I was attempting to port from a PC environment to a PDA (PocketPC). I think I have found the problem but I would like some confirmation if this is a recognized problem (not supported) by NI or if this is supposed to be supported but does not work on my IPAQ hx2790 (running WM5.0). The problem I have is that the PDA doesn't seem to support multi-dimensional arrays ... NI, or anyone else who might know the answer ... Is this supposed to be support or not? Thanks
Greycat

That's a great one !
I ran in the same bug a few hours ago (LV PDA 8.0 - iPAQ 4700 - WM 2003) . I could not believe it !!!
It is simply not possible to index a 2D array to extract a single row or column. Yet it is possible to get an array element.
I suppose there are other issues that will be exposed soon.
I have no more time to waste on LV PDA. But I suggest a few search directions : I found that on LV embedded, array operators could not be used with disabled index inputs. In the attached example, I tried to find a workaround and I used a for loop to index each element of a column and build a 1D array. It works sometimes : Don't touch element (0,1) otherwise the vi hangs.
That could be fun if this was not the dead-end of a 2 months work, fighting with LV PDA inefficiencies !
May be I'll try LV PDA again when a new release will be available !
Chilly Charly (aka CC)
E-List Master - Kudos glutton - Press the yellow button on the left...
Attachments:
LV PDA 2D Array bug.vi ‏15 KB

Saving two dimensional array to a file

I am trying to save a two dimensional array to a file.
If I write a part of the whole array like Filename[1] it works fine.
But the whole array will cause an Errormessage to appea:
"cannot find symbol"
Here is the Code:
RandomAccessFile output = null;
    try
      output = new RandomAccessFile( "TestPlan.plan", "rw" );
      output.seek( output.length() );       // Dateizeiger an das Ende
      output.write( Karte ); // Zeile schreiben

Seems that OutputStreamWriter and ByteArrayOutputStream can only handle one dimensional arrays, too.in that case, break down the arrays to single objects, and serialize them individually

Tri-Dimensional Array Alternatives

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