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Re: Reducing size of vector EPS / PDF output [message #91464 is a reply to message #91446]

Thu, 16 July 2015 18:53

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Fabien writes:

> I draw many glacier outlines on a plot (using old-school graphics and
> cgPolygon and stuff). The EPS/PDF output looks great but the file size
> is too large (> 6 Mb), simply because the level of precision of my
> shapefiles is very high (much higher than necessary for the plot itself).
>
> Do you know of any way to tell IDL's postscript to reduce the precision
> of the vectorized output? Or, as a workaround, any external tool that
> could do the job?

I've done this before to make lower resolution shape files. I don't
remember the details, exactly, but I think I used the always-useful
ArcSample program in the Coyote Library to sample the polygon at
approximately equally space intervals.

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thue. ("Perhaps thou speakest truth.")

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[Message index]

		Reducing size of vector EPS / PDF output By: Fabzi on Thu, 16 July 2015 02:39
		Re: Reducing size of vector EPS / PDF output By: Craig Markwardt on Thu, 16 July 2015 11:38
		Re: Reducing size of vector EPS / PDF output By: Fabzi on Fri, 17 July 2015 01:54
		Re: Reducing size of vector EPS / PDF output By: David Fanning on Thu, 16 July 2015 18:53
		Re: Reducing size of vector EPS / PDF output By: Fabzi on Fri, 17 July 2015 02:19
		Re: Reducing size of vector EPS / PDF output By: David Fanning on Fri, 17 July 2015 05:59
		Re: Reducing size of vector EPS / PDF output By: Fabzi on Fri, 17 July 2015 06:31

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