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<title>Gri: Extras</title>
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<br>
Chapters:
<br>
<a href="Introduction.html">1: Introduction</a><br>
<a href="SimpleExample.html">2: Simple example</a><br>
<a href="InvokingGri.html">3: Invocation</a><br>
<a href="GettingMoreControl.html">4: Finer Control</a><br>
<a href="X-Y.html">5: X-Y Plots</a><br>
<a href="ContourPlots.html">6: Contour Plots</a><br>
<a href="Images.html">7: Image Plots</a><br>
<a href="Examples.html">8: Examples</a><br>
<a href="Commands.html">9: Gri Commands</a><br>
<a href="Programming.html">10: Programming</a><br>
<a href="Environment.html">11: Environment</a><br>
<a href="Emacs.html">12: Emacs Mode</a><br>
<a href="History.html">13: History</a><br>
<a href="Installation.html">14: Installation</a><br>
<a href="Bugs.html">15: Gri Bugs</a><br>
<a href="TestSuite.html">16: Test Suite</a><br>
<a href="GriInThePress.html">17: Gri in Press</a><br>
<a href="Acknowledgments.html">18: Acknowledgments</a><br>
<a href="License.html">19: License</a><br>
<br>
Indices:<br>
<a href="ConceptIndex.html"><i>Concepts</i></a><br>
<a href="CommandIndex.html"><i>Commands</i></a><br>
<a href="BuiltinIndex.html"><i>Variables</i></a><br>
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<h2>11.1: Extra things provided with Gri</h2>
<UL>
<LI><a href="Extras.html#gri_merge">gri_merge</a>: Merge files to one page
<LI><a href="Extras.html#gri_unpage">gri_unpage</a>: Separate multipage doc into separate files
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<h3>11.1.1: `<font color="#82140F"><code>gri_merge</code></font>' -- combine PostScript files</h3>
Merge separate PostScript files, created by Gri, into one page. To
learn how it works, type `<font color="#82140F"><code>gri_merge -h</code></font>' at the system prompt, to
see:
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<font color="#82140F">
PURPOSE: Strings Gri PostScript files together.
<p>
BUGS: With old versions, of gri, make sure to match each `set clip
postscript on' with a `set clip postscript off'.
<p>
USAGE (style 1):
gri_merge [OPTIONS] CxR a.ps b.ps ... > merged_file.ps
Merges the files onto one page, in 'C' columns and 'R' rows. The C*R
files are given in the order of words on a page. The page is
presumed to be 8.5x11 in size, as are all the input files, and the
input files are sized to fit, and kept in natural scale.
<p>
USAGE (style 2):
gri_merge [OPTIONS] xcm ycm enlarge a.ps [b.ps ...] > merged_file.ps
Where `enlarge' is a scale factor applied after offsetting `xcm' to
the right and `ycm' upward.
<p>
EXAMPLE (style 2):
The following
gri_merge 2 12 .5 a.ps \
12 12 .5 b.ps \
2 2 .5 c.ps \
12 2 .5 d.ps > all.ps
produces 4 panels from gri plots done using margins and sizes
as specified in the following lines in a gri commandfile
set x margin 2
set x size 15
set y margin 2
set y size 15
The OPTIONS, available if your 'perl' has 'getopts' library, are:
-u graylevel -- set graylevel for underlay beneath panels, by default 0.75.
Values range from 0 (black) to 1 (white), although a value
of precisely 1 means do NOT draw underlay.
-b graylevel -- Set value for background under individual panels, again 0
for black to 1 for white, with 1 meaning no drawing.
-h -- Print this help message and quit.
</font></PRE>
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<h3>11.1.2: `<font color="#82140F"><code>gri_unpage</code></font>' -- split pages into files</h3>
Given a multipage PostScript file, `<font color="#82140F"><code>gri_unpage</code></font>' creates several new
PostScript files, one for each page. To learn how it works, type
`<font color="#82140F"><code>gri_unpage -h</code></font>' at the system prompt, to see:
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PURPOSE: Chop multipage Gri PostScript file into one file per page.
USAGE: gri_unpage name.ps -- create files name-1.ps, name-2.ps, etc, one
for each page of name.ps.
gri_unpage -h -- print this help message
<p>
BUGS: 1. Bounding box is always 8.5x11 inches.
2. Assumes that all Gri fonts are used even if they aren't.
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