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Vert_Colors for PloyLines and Symbols: an answer
| Vert_Colors for PloyLines and Symbols: an answer [message #17313] |
Mon, 27 September 1999 00:00 |
Ben Tupper
Messages: 186
Registered: August 1999
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Senior Member |
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Howdy,
<p>Last week I had asked how to get the symbol objects associated with
a IDLgrPolyLine or IDLgrPlot to use the colors specified in the Vert_Colors
keyword. RSI tech support kindly provided the answer...
<p>To plot 10 (or some number) symbols, each with its own color, I must
define 10 different symbols. The Symbol field of IDLgrPlot
and IDLgrPolyLine may contain on or more instances of symbol definitions.
<p>I often use the color of a plot symbol as a representation of some nominative
value (like 'Gravel' or 'Rockweed') superimposed upon spatial info
(like X, Y and depth.)
<p>Whew!
<p>Ben
<pre>--
Ben Tupper
Bigelow Laboratory for Ocean Science
tupper@seadas.bigelow.org
Pemaquid River Company
pemaquidriver@tidewater.net</pre>
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