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gri-2.8.0-1mdk.i586.rpm

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<title>Gri: image and contours</title>
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Chapters:
</br>
&nbsp;&nbsp;<a href="Introduction.html">1: Introduction</a><br>
&nbsp;&nbsp;<a href="SimpleExample.html">2: Simple example</a><br>
&nbsp;&nbsp;<a href="InvokingGri.html">3: Invocation</a><br>
&nbsp;&nbsp;<a href="GettingMoreControl.html">4: Finer Control</a><br>
&nbsp;&nbsp;<a href="X-Y.html">5: X-Y Plots</a><br>
&nbsp;&nbsp;<a href="ContourPlots.html">6: Contour Plots</a><br>
&nbsp;&nbsp;<a href="Images.html">7: Image Plots</a><br>
&nbsp;&nbsp;<a href="Examples.html">8: Examples</a><br>
&nbsp;&nbsp;<a href="Commands.html">9: Gri Commands</a><br>
&nbsp;&nbsp;<a href="Programming.html">10: Programming</a><br>
&nbsp;&nbsp;<a href="Environment.html">11: Environment</a><br>
&nbsp;&nbsp;<a href="Emacs.html">12: Emacs Mode</a><br>
&nbsp;&nbsp;<a href="History.html">13: History</a><br>
&nbsp;&nbsp;<a href="Installation.html">14: Installation</a><br>
&nbsp;&nbsp;<a href="Bugs.html">15: Gri Bugs</a><br>
&nbsp;&nbsp;<a href="TestSuite.html">16: Test Suite</a><br>
&nbsp;&nbsp;<a href="Acknowledgments.html">17: Acknowledgments</a><br>
&nbsp;&nbsp;<a href="License.html">18: License</a><br>
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Indices:</br>
&nbsp;&nbsp;<a href="ConceptIndex.html"><i>Concepts</i></a><br>
&nbsp;&nbsp;<a href="CommandIndex.html"><i>Commands</i></a><br>
&nbsp;&nbsp;<a href="BuiltinIndex.html"><i>Variables</i></a><br>
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<h2>8.4: Combination of image and contour</h2>


The following example reads gridded data and creates an image as in the
previous example, but also superimposes unlabelled white contour lines.
<p>
(In the plot shown, all `<font color="#82140F"><code>query</code></font>' questions were answered with
carriage return, yielding the defaults; the `<font color="#82140F"><code>-p</code></font>' flag was specified
on execution, so the time stamp was not drawn.)
<p>
<A HREF="example10.png"> 
<IMG ALT="Example 10" SRC="example10-tiny.png" 
ALIGN=top> 
</A> 
<A HREF="example10.html">The command-file.</A> <P> 





A color version of this is possible using `<font color="#82140F"><code>set image colorscale</code></font>'
as shown here:
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<A HREF="example10color.png"> 
<IMG ALT="Example 10 in colour" SRC="example10color-tiny.png" 
ALIGN=top> 
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<A HREF="example10color.html">The command-file.</A> <P> 





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