Re: GMT4: How to make page background transparent?
"Andy Jacobson (NOAA Affiliate)" <[email protected]>
| Newsgroups | gmane.comp.gis.gmt.user |
|---|---|
| Message-ID | <[email protected]> |
I think Imagemagick will rasterize it, even if going vector-vector. At least, that’s my experience. -Andy On Fri 15 Nov 2013, at 13:44 , John Helly <[email protected]> wrote: > 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 > > > To unsubscribe, send the message "signoff gmt-help" to [email protected] > <hellyj.vcf> -- Andy Jacobson [email protected] NOAA Earth System Research Lab Global Monitoring Division 325 Broadway R/GMD1 Boulder, Colorado 80305 303/578-2237 To unsubscribe, send the message "signoff gmt-help" to [email protected]