How do i Extracting the From the graph using Cursor?

[Balaji_DP]

Hi NI,

               I am doing data logging using Write TDMS.vi. The data i am getting say as a array, using build wave form i wired with Write TDMS.vi, where i specified that  t0 and dt. 

After complete my data logging i read the data using Read TDM.Vi.

here i want to extract the graph using Cursor's, where i between the time to place these two cursor.

[Christian Mergl]

Duplicate Post, please see here -> http://forums.ni.com/ni/board/message?board.id=170&message.id=388939#M388939

[Balaji_DP]

Hello Mr. Christian,

                                  Can you confirm that is it work for which u sent that vi?.... i think that we have to read the cursor position from Graph this will be like an array, after we have to read that index of an array then the same index will be wired with the data array... then only we can able to read the extracted data, where u betweeen placed the two cursor...

The same task i was tested with the Labview 7.1 it is working well, but in the case 8.6 i think that its not working..... when i search the element of x- axis using sear array it will always send -1 also i tested with while loop using comparison method, it is also not comparing.......

actually my x - axis is a time base, i know the starting t0 and dt,  the t0 i converted to  dbl then i addinng with dt with y of data from graph  under for loop.

Please check and  confirm.....

[Christian Mergl]

Almost all of your questions will be answered when you open the VI I've attached at my previous post and study the functionality.