Graphical programming of Sequence profiles

[MogaRaghu]

When doing test stands its a very common requirement to allow the user to input a profiled pattern for a test parameter like RPM , Pressure , Flow etc. IF you the attached image you will be clear what i mean - i have shown a typical RPM profile for one cycle of test sequence. Maybe this cycle will be repeated thousands of time.  And this pattern might vary ( magnitude of  levels as well as number of points ) . So the normal method is to provide a Multi Column list box with a Column for X values and another for Y values.  While this works its not very intutive... better would be if the user can graphically create this profile data - maybe by "pulling" the profile line with cursor and positioning as required. Is there any tool for this kind of thing or anyone has attempted one such ?

[Bob_Schor]

This isn't very difficult to do, and would be an excellent "learning exercise" to teach you about cursors.  I wonder if doing a Web search for "LabVIEW Cursor" would be productive.  (Answer:  yes).

Bob Schor

[Kevin_Price]

...and you'll want to provide a way for a user to fine-tune the coordinates.  I'm no gui guru, but when I did a kinda sorta similar thing, there was a distinct way to *add* a new point and a different way to *edit* an existing point.

-Kevin P

[RTSLVU]

How about making an Excel template to design the profiles then load the profile into your program?

Just save the Excel output as a .CSV file and you can read it with the "Read Delimited Spreadsheet" VI.

To me this makes more sense anyway as instead of having to create a profile every time, you can have a bunch of predefined profiles ready to load and run.

[MogaRaghu]

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@RTSLVU wrote:

How about making an Excel template to design the profiles then load the profile into your program?

Just save the Excel output as a .CSV file and you can read it with the "Read Delimited Spreadsheet" VI.

To me this makes more sense anyway as instead of having to create a profile every time, you can have a bunch of predefined profiles ready to load and run.

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Yes ... this may be a good idea instead of messing around with cursors. Will look into this .. thanks 

[MogaRaghu]

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@Bob_Schor wrote:

This isn't very difficult to do, and would be an excellent "learning exercise" to teach you about cursors.  I wonder if doing a Web search for "LabVIEW Cursor" would be productive.  (Answer:  yes).

Bob Schor

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Yes I am on it ... located a link which tells about the various ways the cursor can be implemented. But have as of now no clue how to deploy it ... will continue reading.

Thanks