Re: GMT4: How to make page background transparent?

Thanks. I'll try it.
J.

On 11/15/13 3:29 PM, J.J. Green wrote:
> Hi John,
>
>> I want to print this map on a t-shirt and don't want any color outside
>> of the map frame and scale.
>>
>> In the attempts that I've made so far, I found that Brent's suggestion
>> of putting the '---' code into the foreground color produces a *.ps file
>> that does what I want when I view it with the Imagemagick viewer.
>
> Hmmm, imagemagick is just a front-end to ghostscript and suboptimal for
> GMT output, try using ps2raster (which is also a ghostcript front-end,
> but optimal :-)) with the -TG option. Then you get a png with
> transparency (of "untouched regions"), print that on your shirt.
>
> If your printer insists that you need to convert this png to pdf
> then you you *might* be able to do it with "convert", if that
> doesn't work try sam2p or other tools.
>
> Good luck
>
> Jim

-- 
John Helly, University of California, San Diego / San Diego Supercomputer Center / Scripps Institution of Oceanography / 760 840 8660 mobile / stonesteps (Skype) / stonesteps7 (iChat) / http://www.sdsc.edu/~hellyj


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