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Re: how to do that? [message #35106 is a reply to message #35105]

Tue, 13 May 2003 05:38

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

tomson (tom2959@21cn.com) writes:

> Hi,I want to analyze a JPG figure. I hope the figure can be put in a plot,
> like this:
>
> plot,[0,1],[0,1],xrange=[0,1],yrange=[0,1],/nodata
> READ_JPEG, 'test.jpg', a
> ;I want to put the image in the above plot just fill the rectangle. How
> to do that?
> ;Then I want to add other on the plot...
> oplot,x,y

With TVIMAGE you would do it like this:

p=[0.15, 0.15, 0.9, 0.9]
TVImage, a, Position=p
Plot, [0,1],[0,1],xrange=[0,1],yrange=[0,1],/nodata, $
/NoErase, Position=p
Oplot, x, y

With Liam Gumley's ImgDisp you just set the AXIS keyword,
I think.

You can find TVIMAGE here:

http://www.dfanning.com/programs/tvimage.pro

Cheers,

David

--
David W. Fanning, Ph.D.
Fanning Software Consulting, Inc.
Phone: 970-221-0438, E-mail: david@dfanning.com
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Toll-Free IDL Book Orders: 1-888-461-0155

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[Message index]

		Re: how to do that? By: tomson on Tue, 13 May 2003 17:35
		Re: how to do that? By: Liam E. Gumley on Tue, 13 May 2003 09:05
		Re: how to do that? By: David Fanning on Tue, 13 May 2003 08:51
		Re: how to do that? By: tomson on Tue, 13 May 2003 08:38
		Re: how to do that? By: David Fanning on Tue, 13 May 2003 06:20
		Re: how to do that? By: David Fanning on Tue, 13 May 2003 05:38

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