<html><head></head><body><div class="yahoo-style-wrap" style="font-family:Helvetica Neue, Helvetica, Arial, sans-serif;font-size:16px;"><div dir="ltr" data-setdir="false"><div>Good afternoon all,</div><div><br></div><div dir="ltr" data-setdir="false">I have a polygon map with a handful of features, I've added a column I use for setting RGB values "RRR:GGG:BBB" to color them. I use three (3) colors - red, orange, and yellow - but I would like some of them to be transparent but I can't find anywhere in the manuals what the code would be for transparent. Searching Google-land I see there's an RGBa standard which can set tranparency but GRASS doesn't seem to support that. I've tried setting the value to NULL, to "", to "none", and tried "0:0:0:0" (RGBa) all to no avail ... <br></div><div dir="ltr" data-setdir="false">I am using ps.map to create an image so the ps rules file tells GRASS to use the RGB column to define the colors ... I believe I'm stuck with this methodology for now.</div><div dir="ltr" data-setdir="false">Am I going to have to select the features which I do want colored and make a new map with just those features? or do I have to remove the postscript command for the RGB column and create a color table then reset my category values to 1, 2, 3, or 4 using a color table something like:</div><div dir="ltr" data-setdir="false"> <span>nv white</span></div><div dir="ltr" data-setdir="false"><span> </span>1 red</div><div dir="ltr" data-setdir="false"> 2 orange</div><div dir="ltr" data-setdir="false"> 3 yellow</div><div dir="ltr" data-setdir="false"> 4 white<br></div><div dir="ltr" data-setdir="false"> end</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">I was hoping to avoid creating a color table and changing the category values as this map gets modified twice a day... It's running in GRASS 7.4 on Linux ... <br></div><div dir="ltr" data-setdir="false">Thanks and happy weekend!</div><div dir="ltr" data-setdir="false">:)<br><div>Chris</div></div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr">_______________________________________________<br></div><div dir="ltr">grass-user mailing list<br></div><div dir="ltr"><a href="mailto:grass-user@lists.osgeo.org" rel="nofollow" target="_blank">grass-user@lists.osgeo.org</a><br></div><div dir="ltr"><a href="https://lists.osgeo.org/mailman/listinfo/grass-user" rel="nofollow" target="_blank">https://lists.osgeo.org/mailman/listinfo/grass-user</a><br></div></div><div id="ydpf9bf7aaayahoo_quoted_0010367491" class="ydpf9bf7aaayahoo_quoted"><div style="font-family:'Helvetica Neue', Helvetica, Arial, sans-serif;font-size:13px;color:#26282a;">
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