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Re: Interractive drawing on plots (PV-Wave) [message #5656]

Wed, 31 January 1996 00:00

jlaw
Messages: 11
Registered: November 1995

Junior Member

In article 20J@netcom.com, mole@netcom.com (Aaron Birenboim) writes:
<snip>
> I wish to allow the user to draw/define a box on a standard 1D plot.
> Most people place one corner of the box at the point where a mouse
> button was pressed, then draw & erase the box as the mouse moves, then
> set the second corner then the button is released.

A routine that does this is ( was? ) distributed with IDL. Try and get hold of
of the demo distribution. Its worth it for the user library.
I thought a similar routine came with pv-wave.. Have you had a GOOD look through
the user library??

Essentially you are right. Drqaw the thing with XOR.

f.

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