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user graphics drawing without prior current image knowledge [message #20408] Mon, 19 June 2000 00:00
pdesmedt is currently offline  pdesmedt
Messages: 2
Registered: June 2000
Junior Member
Hi,

what is the best way in IDL to allow a user to draw graphics (ROI,
lines)
without having to inform IDL on which image or drawing area the drawing
should take
place. E.g., one gives the draw roi command, the user then draws on any
of the visible drawing areas
the ROI and after the program is returned the ROI coordinates AND the
viewport ID (or image)
is returned to the user...

greetings
Pol

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