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19991029: changing Ntrans default background color

David,

The reason that your NC meta file does not have a white background 
in Ntrans even after you set color 101 to white in your application
which produced the nc file is that the meta file is not a picture 
like a gif file. Instead, it is the drawing commands that produce the
picture. Since the background is not "drawn", only the lines, text and
color fills are part of the nc metafile.

If you want the background color in Ntrans to be white, the simplest way to
do this after launching ntrans is to "click" on the "Active Colors:"
number 0 at the bottom of the plot. This is the background color.

Clicking on the color tile at the bottom of the plot will pop up a color 
selection widget. Click on the white "31" box in the color pallete
and that will change color 0 to white. Then, click on the "Save Color"
button and then "close".

Steve Chiswell
Unidata User Support




>From: David Ovens <address@hidden>
>Organization: .
>Keywords: 199910291603.KAA12700

>Hello,
>
>I just totally remade all of our meta files for Ntrans using a white
>background instead of a black one.  I ran gpcolor first and set
>101=white.  Now, I was hoping that when I started Ntrans and selected
>the appropriate meta file that it would switch automatically to a
>white background, unfortunately it did not -- the background is still
>black.  
>
>I know how to select color 0 and change it from black to white inside
>Ntrans, giving me the picture I want, but is there any way to change
>the default background color for ntrans from black to white, or,
>better yet, have Ntrans figure out the background color from the meta
>file?
>
>I also know that if I run gpcolor, set 101=white, quit it, and then
>start up Ntrans that this works, but I prefer to launch items from
>Ntl, and I don't necessarily want to change the background color for
>garp, nsharp, etc.
>
>If it is not possible to do what I want, could you tell me how to
>permanently change the default background for all gempak programs from
>black to white?
>
>Thank you,
>
>
>David
>-- 
>
>David Ovens            e-mail: address@hidden
>(206) 685-8108
>Dept of Atmospheric Sciences, Box 351640
>University of Washington 
>Seattle, WA  98195
>