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20011023: Attention Steve Chiswell

This archive contains answers to questions sent to Unidata support through mid-2025. Note that the archive is no longer being updated. We provide the archive for reference; many of the answers presented here remain technically correct, even if somewhat outdated. For the most up-to-date information on the use of NSF Unidata software and data services, please consult the Software Documentation first.

  • Subject: 20011023: Attention Steve Chiswell
  • Date: Tue, 23 Oct 2001 11:09:38 -0600
>From: "Francisco Javier Soley Alfaro." <address@hidden>
>Organization: UCAR/Unidata
>Keywords: 200110231613.f9NGDf113324

>Steve:
>When I tried tor use gdplot, I get the following message:
>Can not allocate read/write colors
>The online help on gdplot does not list that error message. Where should I
>be looking for information? Thanks.
>Javier
>
> 
>


Javier,

Before running GEMPAK programs, try launching the "ntl" program.
It will tell you if you do not have enough colors available.

You can run ntl with command line options to request fewer colors,
such as "ntl -s 32". 

The ntl program creates a shared color map so that all GEMPAK programs share
the same color space. Without ntl, each window that you have for GEMPAK 
tries to obtain its own colors.

Also, check to make sure you don't have any "xw" processes that didn't get 
cleaned up with gpend.

Steve Chiswell
Unidata User Support