Search row and column for return value

Dear Sir/Madam,
                           I have a problem for searching spreadsheet and hope you can help me out a bit. Im pretty new to Labview and Im currently using Labview 8.0. My task is to search the spreadsheet I have attached in row and column-wise, then return the corresponding value out. I had an attempt in doing this as you can see from the vi that i have attached. I try inputting the 'read from measurement file' into an array and using delete, index and search array I will be able to find the index value for the relevant row and column that i searched for by inputting them into an index array with the orginal array from the 'read from measurement file'.
                          So ultimately, when i enter a row value of 0.5 and a column value of 0.3, my output will be 1.688.
                          I can't see any mistakes in my logic but I getting really strange results, like I can read my data has been entered into an array but when i try deleting the first column and put it into another array, the orginal array with nothing deleted is outputted hence making my search to give out -1 value. So could you take a look please and give me any suggestion that can solve my problem or enhance the code a bit. Thank you for your time.
Best Regards,
Coato
P.s for some reason i can't attached the .lvm file of my data hence i have attached the excel version but i think you need to convert it back to .lvm for the 'read from measurement file' function to work.
Attachments:
Backswing compensation.csv ‏10 KB
Backswing comnpensation2.vi ‏109 KB

Your VI makes absolutely no sense to me, but maybe I don't understand what you are trying to do.
You seem to have dynamic data with 6 signals and 48 points/channel. Now you reshape this into an array of dynamic data with 4x13 elements from which you slice out one row or column, resp. "delete from array" is NOT the correct tool to do this, use "Index array" with one index unwired to get a row or column as 1D array.
So you end up with two 1D arrays of dynamic data that you search for DBL. It is difficult to understand how you want to search for an array element that corresponds to a scalar DBL value of 0.1. Your array elements are NOT DBLs but dynamic data, each containing many signals!
There are two elements on all your data that are "3", the rest are zero. You will never find anything that is 0.1.
Maybe you can convert your original dynamic data to a 2D array with "rows are signals" using "convert from dynamic data", then operate on the 2D array.
Coato wrote:
So ultimately, when i enter a row value of 0.5 and a column value of 0.3, my output will be 1.688.
Sorry, Please explain.
Please make a VI containing a simple 2D aray as diagram constant that contains e.g. 5x5 typical values. Let us know what kind of result you expect from your algorithm..
LabVIEW Champion . Do more with less code and in less time .

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I'm supposed to call a "void setMargins( )" method to line this up, without
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How do I set the number of rows and columns of a table, say 2348 rows by 3 columns?
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I wish to add a few words to Jerrold responce.
gjf12 wrote:
How do I set the number of rows and columns of a table, say 2348 rows by 3 columns?
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déplacer le fichier ainsi créé dans le dossier
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L'Utilitaire AppleScript permet d'activer le Menu des scripts :
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Cochez la case "Afficher le menu des scripts dans la barre de menus".
--=====
Save the script as a Script: insertRows.scpt
Move the newly created file into the folder:
<startup Volume>:Users:<yourAccount>:Library:Scripts:Applications:Numbers:
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--=====
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Open the AppleScript utility located in Applications/AppleScript.
Select the "Show Script Menu in menu bar" checkbox.
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Yvan KOENIG (VALLAURIS, France)
2010/01/13
--=====
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apply to named row or named column !
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set AppleScript's text item delimiters to d
set l to text items of t
set AppleScript's text item delimiters to ""
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Asks for an entry and checks that it is an floating number
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display alert "La valeur saisie doit être un nombre décimal." & return & "Veuillez recommencer."
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Here if the first entry was not of the wanted class
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tell application (path to frontmost application as string)
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set n to n as number (* try to convert the value as an number *)
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set n to text returned of (display dialog lPrompt default answer lDefault as text)
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set n to n as integer (* try to convert the value as an integer *)
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error "The value you entered was not numerical !" & return & "Goodbye !"
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error "La valeur saisie n’est pas numérique !" & return & "Au revoir !"
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--=====
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--=====
--[/SCRIPT]
Yvan KOENIG (VALLAURIS, France) mercredi 13 janvier 2010 12:43:34

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<mx:operation name="InvokeService">
<mx:request>
<serviceWithComonentName>DetailedSnapshotComponent.MarketSnapshot@TADAWUL</serviceWithCom onentName>
<parametersXml><![CDATA[ <Parameters/>
]]></parametersXml>
</mx:request>
</mx:operation>
</mx:WebService>
<mx:Panel x="10" y="10" width="100%" height="100%"
layout="absolute" title="Market View">
<mx:RichTextEditor id="txtMarketViewResult" x="10" y="10"
width="612" height="194" />
<mx:DataGrid x="10" y="223" id="dgTopPosts" width="100%"
height="303">
<mx:columns>
<mx:DataGridColumn headerText="Symbol Code"
dataField="SymbolID" />
<mx:DataGridColumn headerText="Last Time"
dataField="LastTime" />
<mx:DataGridColumn headerText="Net Change"
dataField="NetChange" width="75"
/>
<mx:DataGridColumn headerText="Percent Change"
dataField="PercentChange" width="75" />
<mx:DataGridColumn headerText="Previous Closed"
dataField="PreviousClosed" width="75"/>
<mx:DataGridColumn headerText="Close" dataField="Close"
width="75"/>
<mx:DataGridColumn headerText="Direction"
dataField="Direction" width="75"/>
<mx:DataGridColumn headerText="BidPrice"
dataField="BidPrice" width="75"/>
<mx:DataGridColumn headerText="AskPrice"
dataField="AskPrice" width="75"/>
<mx:DataGridColumn headerText="BidVolume"
dataField="BidVolume" width="75"/>
<mx:DataGridColumn headerText="AskVolume"
dataField="AskVolume" width="75"/>
</mx:columns>
</mx:DataGrid>
<mx:LinkButton id="btnCounter" x="10" y="528" width="306"
textAlign="left" label="" />
</mx:Panel>
</mx:Application>

To achieve what you want, I would have two functions:
* One populates the DataGrid for the first time, i.e. the
inital load
* The other does the 'update' on each interval, since there's
logic required
To update the DataGrid with only the rows that have changed,
you're going to have to compare
the incoming XML to the existing XML in the dataProvider of
the DataGrid, then selectively update the dataProvider.
You can use the
getItemAt() and
setItemAt() methods of the data provider to check each row
against the incoming data. So, some example code:
// This is the function which handles the result of your
'updated data only' webservice
private function handleUpdateInvoke (event:ResultEvent) :
void {
var incoming:XML = new XML(event.result);
var someList:XMLList = incoming.somePattern;
// For each data provider item, check the key and if it
matches
// one of the incoming keys, update it at that index
var numRows = this.dgTopPosts.dataProvider.length;
var existingDataRow:*
for (var i:Number = 0; i < numRows; i++) {
existingDataRow = this.dgTopPosts.dataProvider.getItemAt(i);
for each (var newDataRow:* in someList) {
if (existingDataRow.SymbolID == newDataRow.SymbolID) {
this.dgTopPosts.dataProvider.setItemAt(newDataRow, i);
}

JTable - Swapping the Rows and Columns

This issue was raised in the Java Programming forum. Received initially as a weird requirement, it now seems that it is more common than you might think. Under it's original title it was "JTable - Limitation or Not?"
I introduced the topic here so that the thread perspective can include more experienced Swing developers.
The JTable in it's default layout is intended to hold database tables with records in rows. But what if you want records in columns?
Some have said why? Just accept the row layout. Others have said use a customised form. Both reasonable views. Despite this, others report that the inherrited power of the JTable is worth leveraging and they have been doing it for years. Albeit with messy code in certain cases.
This is a clear candidate for a popular derived component. If the existing JTable were renamed as a JTableRecordPerRow I am describing a JTableRecordPerColumn. The corresponding Table Model must naturally have a getRowClass method and no getColumnClass method.
Java is good at seperating data from display issues so essentially this is only a display issue. The data representation is unaffected.
While this may be so, the TableModel for a JTable makes the link from the display to the data so it must have knowledge about cell type to trigger the correct cell editor for example.
I think it is fair to say that the standard JTable has not be designed with alternative row/column or column/row displays in mind. Hence a single getColumnClass method. However implementing a Table model which exchanges columns for rows is a good start. This leaves a few loose ends where editting is concerned.
While this may not be an ideal topic for anyone just learning Swing I have been encouraged to consider the general case within the limitations of the cell types normally supported by the default Table model.
I would have a guess that this is an established component in many private Java libraries already.
Views and experience on this topic extremely welcome.

It appears to me that while interchanging the rows and columns of a JTable is not trivial it is still worthwhile as a workhorse component.
Perhaps the original design could have allowed for an aternative layout manager of somekind but this could easily have made description of records/rows and fields/columns confusing.
I will probably get this summary wrong but I aill attempt to collate the neatest approach as I see it. Criticisms or shorter steps welcome. My thanks to the original contributors traceable from this thread.
In the descriptions below a distinction is made between the normal internal data model representation of a row, called "mrow", and the displayed form "row".
Only the TableModel need be changed.
1 Use row 0 to show the headers by a)disabling the normal TableHeader renderer b)setting the cell renderer for column 0 to the default renderer used by the TableHeader and c)using the getValueAt method to return mcol header values for the row entries.
2 For other row, col values to getValueAt return the value at mcol, mrow where mcol==row-1 & mrow==col.
3 Create a new getCellClass(col,row) method to return the class where mrow==0 and mcol==row-1. Note that I am only trying to immitate the common use of of a database record per mrow here.
4 Override a)getCellRenderer and b)getCellEditor to use getCellClass
Four steps with seven parts seems worth it to me.
The power of Swing!
Many thanks to all.

How to get number of rows and columns in a two dimensional array ?

Hello,
What would be the simplest way to get number of rows and columns in a two dimensional array represented as integers ?
I'm looking for another solution as For...Each loop in case of large arrays.
Regards,
Petri

Hi Petri,
See a attached txt file for obtaining two arrays with upper and lower index values
Regards
Ray
Regards
Ray Farmer
Attachments:
Get2DArrayIndex.txt ‏2 KB

Search row and column for return value

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