| Re: Use of Cursor [message #78910 is a reply to message #78908] |
Thu, 12 January 2012 05:38   |
d.poreh
Messages: 406
Registered: October 2007
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Senior Member |
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On Jan 12, 2:32 pm, David Fanning <n...@dfanning.com> wrote:
> DavePoreh writes:
>> i am also interested to do so, and what i have in my mind is, how
>> could we define a keyboard push (for instance ctrl+r) that every time
>> we push that the cursor would be activated and ready to get x-y
>> coordinates. Any suggestion?
>
> Matlab?
>
> Well, in theory, this could also be done in any object
> oriented implementation in IDL. In fact, it is probably
> already possible in IDL 8 graphics. I've built applications
> in my Catalyst Library that allow the XY coordinates of
> any object shown in the window to be reported. See,
> for example, the DataViewer program, which can have up
> to 64 images shown in the display window, each reporting
> its own position and value as you move your cursor
> over them.
>
> All it requires is that an object "know" its position
> in a graphics window, have some knowledge about its
> own coordinate scaling, and have some capability of
> being selected by the user.
>
> I don't think the Cntl-R thing is every going to be
> implemented, but gaining knowledge of the graphic in
> the window is certainly possible someday, if not now.
>
> Come to think of it, it would probably take 5 minutes
> to implement something like this for cgWindow, if I
> didn't have to worry about multiple plots in the
> display window. :-)
>
> Cheers,
>
> David
>
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.idlcoyote.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")
Perfect answer. i will follow that to get the result.
Cheers,
Dave
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