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Re: CW_ZOOM problem [message #56708 is a reply to message #56706]

Sat, 10 November 2007 13:29

Vince Hradil
Messages: 574
Registered: December 1999

Senior Member

On Nov 10, 3:19 pm, kerbe...@gmail.com wrote:
> Good day everyone
>
> i want use CW_ZOOM in my program. As i looked in IDL online help
> CW_ZOOM must have XSIZE and YSIZE equal zoomed image dimensions.
>
> Example in documentation very nice, but i don't know what size of
> image user choose ?
> Does it possible to define XSIZE and YSIZE at runtime ?
>
> Best wishes

Just like in the documentation use size() to find the dimensions and
pass them via the xsize and ysize keywords.

sz = size(image,/dimensions)
base = widget_base(/column)
result = cw_zoom(base,xsize=sz[0],ysize=sz[1],uvalue='ZOOM')

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[Message index]

		Re: CW_ZOOM problem By: David Fanning on Sat, 10 November 2007 17:43
		Re: CW_ZOOM problem By: kerber80 on Sat, 10 November 2007 15:56
		Re: CW_ZOOM problem By: David Fanning on Sat, 10 November 2007 13:31
		Re: CW_ZOOM problem By: Vince Hradil on Sat, 10 November 2007 13:29

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