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Re: How to draw a line on an image? [message #5663 is a reply to message #5658] Mon, 29 January 1996 00:00 Go to previous messageGo to previous message
Hermann Mannstein is currently offline  Hermann Mannstein
Messages: 22
Registered: September 1995
Junior Member
Hiro Yoshida wrote:
>
> Hello IDL experts,
>
> Is there a handy way to draw lines on an image in IDL?
>
> I would like to draw some simple graphics such as lines, boxes, and circles
> on an image. (I am not talking about modifying image itself by putting
> white pixels to draw these figures.) I believe that IDL has some commands
> for this type of "overlay" task. Unfortunately, however, I cannot find one
> so far. Any suggestions are welcome.

Hi, look for the cw_defroi.pro within the lib directory of your IDL, but basically
you have to give some pixels of the display another color to see them ;-)

--
Regards,

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