<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Transparent colors will be in the release of GrADS 2.1 that has the option to use the cairo library to do the graphics rendering. There's still a lot of work to do before the release is ready, I'm sorry I have no estimate. Here's a sample of what will be possible. --Jennifer<div><br><div><img height="600" width="800" apple-width="yes" apple-height="yes" id="bd80e510-7f93-44db-bcf5-ef0837dd35a1" src="cid:BA7DFE4D-F6A6-413F-830E-FAAC963F1F2D@SME"><br><div><br><div><div>On Jun 26, 2012, at 6:32 PM, Stefan Gofferje wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div>Hi,<br><br>with the introduction of 'draw shp', it is now possible to create more<br>optically pleasing charts which is an important point if you render<br>charts for a mainstream audience. 'gxout shaded', however still produces<br>solid coloring which partially negates that advantage.<br><br>I would like to propose to add a transparency value to the 'set rgb'<br>command, such as 'set rgd <no> <red> <green> <blue> <transparency>'.<br><br>With such an option, it would e.g be possible to create gradients of the<br>same color but with varying transparency.<br>With this it would be possible to render e.g. cloud-cover or<br>precipitation maps which are easily grasped by a mainstream audience.<br><br>Additionally, it would be possible to render meaningful composite charts<br>with multiple parameters, where overlapping contour plots would produce<br>very confusing images.<br><br>Greetings from Finland,<br>Stefan<br><br>-- <br>Suomen Sääkeskus - Hyvä sää on makuasia<br><br>Stefan Gofferje<br>Haukantie 2 B 5<br>FIN-37600 Valkeakoski<br>GSM: +358 (41) 7290730<br><br><a href="http://www.saakeskus.fi/">http://www.saakeskus.fi/</a><br>stefan@saakeskus.fi<br><br><br>--------------------------------------------------------------------------------<br>This mail was scanned for malware by ClamAV (http://www.clamav.net/)<br>--------------------------------------------------------------------------------<br><br><br>_______________________________________________<br>gradsusr mailing list<br>gradsusr@gradsusr.org<br>http://gradsusr.org/mailman/listinfo/gradsusr<br></div></blockquote></div><br><div apple-content-edited="true">
<span class="Apple-style-span" style="font-size: 12px; "><span class="Apple-style-span" style="border-collapse: separate; border-spacing: 0px 0px; color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: auto; -khtml-text-decorations-in-effect: none; text-indent: 0px; -apple-text-size-adjust: auto; text-transform: none; orphans: 2; white-space: normal; widows: 2; word-spacing: 0px; "><div>--</div><div>Jennifer M. Adams</div><div>IGES/COLA</div><div>4041 Powder Mill Road, Suite 302</div><div>Calverton, MD 20705</div><div><a href="mailto:jma@cola.iges.org">jma@cola.iges.org</a></div><div><br class="khtml-block-placeholder"></div><br class="Apple-interchange-newline"></span></span>
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