Re: GMT4: How to make page background transparent?

Thanks. I'm trying to stay in vectorland so that seems like a good solution.
J.

On 11/15/13 12:41 PM, Andy Jacobson (NOAA Affiliate) wrote:
> Hi John,
>
> If you can’t do it “the right way”:  a quick and dirty solution is to make the background a distinct color, then use Imagemagick to change that color to transparent:
>
> convert -transparent white <in> <out>
>
> will make transparent all the white pixels.  Apologies to all the ps2raster lovers.
>
> -Andy
>
> On Fri 15 Nov 2013, at 13:32 , John Helly <[email protected]> wrote:
>
>> Hi.
>> I've looked around but can't find a solution.
>>
>> I'm using grdimage followed by psbasemap to produce a map. I've created a custom colormap and its high-end is white (255/255/255).
>>
>> I would like to print the white in the map at high elevation but have the page background transparent.  Currently the code produces a white background outside of the map frame as well as in the interior of the map.
>>
>> I don't seem to be able to find the right parameter(s) to do this with so maybe it's not possible?
>>
>> J.
>> -- 
>> 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
>>
>> To unsubscribe, send the message "signoff gmt-help" to [email protected]
>> <hellyj.vcf>

-- 
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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