I need help making a square that scans across a screen.

i'm trying to make a program that creates images of a square scanning across a black background. so far all i have is a program that makes one image where i can alter the size of the square and its position. I'm very very new to labview and i need help with the structure that would create all the images of the square scanning across and then shift down and scan across again.
thank you very much,
Joseph Sadler
Attachments:
Drawexample.vi ‏24 KB

As Lynn found, there is a memory problem with the vi which didn't show up in my limited testing.
Using Shift Registers with Picture Controls can cause problems.
See this thread.
Try the attached "mod" version.
Then I got to thinking, why redraw the box (2x with "erase") - when you could just move a box around?
(Note: I used a picture for the box, but you could use other objects.)
The "mod1" version does it this way.
steve
Help the forum when you get help. Click the "Solution?" icon on the reply that answers your
question. Give "Kudos" to replies that help.
Attachments:
squarescan mod.vi ‏20 KB
squarescan mod 1.vi ‏20 KB

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[email protected] wrote:
> Hello All;
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