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Re: positioning a TV image within plotting region [message #77829]

Wed, 05 October 2011 11:06

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Matthew writes:

> Just a quick note... unless the aspect ratio of the postscript file is
> the same as that of the display (e.g. as is the case when using
> psCONFIG()), the variable pixel size will make the initial problem
> here persist. To fix the problem,
>
> x_size_old = !d.x_size
> y_size_old = !d.y_size
> set_plot, 'PS'
>
> x_size_ps = !d.x_size
> y_size_ps = !d.y_size
>
> px_size_x = x_size_ps / x_size_old
> px_size_y = y_size_ps / y_size_old
>
> position[0] = floor(position[0] * !d.x_vsize)
> position[1] = floor(position[1] * !d.y_vsize)
> position[2] = ceil(position[2] * !d.x_vsize)
> position[3] = ceil(position[3] * !d.y_vsize)
> xsize = (position[2] - position[0]) - px_size_x
> ysize = (position[3] - position[1]) - px_size_y
> xstart = position[0] + px_size_x
> ystart = position[1] + px_size_y
>
>
> This has worked so far...

Humm. I don't see how. :-)

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.")

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[Message index]

		Re: positioning a TV image within plotting region By: David Fanning on Wed, 05 October 2011 11:06
		Re: positioning a TV image within plotting region By: Matthew on Wed, 05 October 2011 10:26
		Re: positioning a TV image within plotting region By: David Fanning on Fri, 30 September 2011 08:34
		Re: positioning a TV image within plotting region By: Matthew on Thu, 29 September 2011 12:19
		Re: positioning a TV image within plotting region By: greg michael on Thu, 29 September 2011 07:47
		Re: positioning a TV image within plotting region By: greg.addr on Thu, 29 September 2011 07:42
		Re: positioning a TV image within plotting region By: greg.addr on Thu, 29 September 2011 07:39
		Re: positioning a TV image within plotting region By: Matthew Argall on Mon, 10 October 2011 16:22

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