Re: export to ps, transparency issue
- To: mathgroup at smc.vnet.net
- Subject: [mg95646] Re: export to ps, transparency issue
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 23 Jan 2009 05:10:07 -0500 (EST)
- Organization: Uni Leipzig
- References: <gl9mtl$ajl$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
Hi,
no, PostScript have no transparent colors.
You can try to convert it via Rasterize[] to
a bitmap and export it than.
Regards
Jens
=EF=BF=BD wrote:
> Dear all,
>
> We want to overlay to contourplots, so we do
>
> ContourPlot[{x^2/4 + y^2/16}, {x, -6, 6}, {y, -5, 5},
> Contours -> {1.},
> ContourShading -> {{Red, Opacity[0.4]}, Opacity[0.]},
> ContourStyle -> Opacity[0.2]]
>
> ContourPlot[{x^2/25 + y^2/9}, {x, -6, 6}, {y, -5, 5},
> Contours -> {1.},
> ContourShading -> {{Blue, Opacity[0.4]}, Opacity[0.]}]
>
> Show[%,%%]
>
> The question is that when we do Export["contours.ps",%] the resulting
> image has a black area in the non-coloured region, which appears white
> on the screen. No problem when exporting to pdf.
>
> Is there some replacement rule which will do the trick?
>
> Thanks a lot,
>
> Ruth Lazkoz
>
>