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Gpdc - Revision history
2026-04-22T16:24:47Z
Revision history for this page on the wiki
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Mao: /* Command line help */
2008-11-01T15:16:40Z
<p><span dir="auto"><span class="autocomment">Command line help</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 15:16, 1 November 2008</td>
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<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">== Forward computation of dispersion curve ==</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''gpdc''' is a command line tool for computing phase or group velocity dispersion curve for either</ins></div></td></tr>
<tr><td colspan="2"> </td><td class='diff-marker'>+</td><td style="color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Rayleigh or Love waves given a layered 1D earth model in simple ascii format.</ins></div></td></tr>
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<tr><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Command line help ==</div></td><td class='diff-marker'> </td><td style="background-color: #f8f9fa; color: #222; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>== Command line help ==</div></td></tr>
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Mao
https://www.geopsy.org/wiki/index.php?title=Gpdc&diff=123&oldid=prev
Mao: /* Command line help: */
2008-11-01T15:14:06Z
<p><span dir="auto"><span class="autocomment">Command line help:</span></span></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 15:14, 1 November 2008</td>
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Mao
https://www.geopsy.org/wiki/index.php?title=Gpdc&diff=122&oldid=prev
Mao at 15:13, 1 November 2008
2008-11-01T15:13:47Z
<p></p>
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<td colspan="2" style="background-color: #fff; color: #222; text-align: center;">Revision as of 15:13, 1 November 2008</td>
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Mao
https://www.geopsy.org/wiki/index.php?title=Gpdc&diff=121&oldid=prev
Mao: New page: Command line help: Usage: gpdc [OPTIONS] [FILE] Compute dispersion curve for layered models given through stdin or FILE. Format for layered models: Line 1 : <number of layers includi...
2008-11-01T15:12:22Z
<p>New page: Command line help: Usage: gpdc [OPTIONS] [FILE] Compute dispersion curve for layered models given through stdin or FILE. Format for layered models: Line 1 : <number of layers includi...</p>
<p><b>New page</b></p><div><br />
Command line help:<br />
<br />
Usage: gpdc [OPTIONS] [FILE]<br />
Compute dispersion curve for layered models given through stdin or FILE.<br />
<br />
Format for layered models:<br />
Line 1 : <number of layers including half-space for first model><br />
Line 2 : <thickness (m)> <Vp (m/s)> <Vs (m/s)> <Density (kg/m3)>[ <Qs> <Qp>]<br />
....<br />
Line n : 0 <Vp (m/s)> <Vs (m/s)> <Density (kg/m3)>[ <Qs> <Qp>]<br />
Line n+1: <number of layers including half-space for second model><br />
....<br />
<br />
Quality factors are not mandatory. If not specified, pure elastic computation is performed. Any<br />
number of models can be given as input.<br />
<br />
Gpdc options:<br />
-n <count> Number of frequency samples (default=100)<br />
-L <n modes> Number of Love modes (default=0)<br />
-R <n modes> Number of Rayleigh modes (default=1)<br />
-grid <L | R> Ouput a grid of the wave solutions (not set by default). The letter L or<br />
R stands for Love or Rayleigh.<br />
-group Switches to group slowness (default=phase)<br />
-s <sampling> Defines the sampling type:<br />
period regular sampling in period<br />
frequency regular sampling in frequency<br />
log regular sampling in log(frequency) (default)<br />
-min <min> Minimum of range for dispersion curve (default=0.2)<br />
-max <max> Maximum of range for dispersion curve (default=20)<br />
-vn <count> Number of velocity samples (only for -grid, default=100)<br />
-vmin <min> Minimum of range for velocity (only for -grid, default=100)<br />
-vmax <max> Maximum of range for velocity (only for -grid, default=3000)<br />
<br />
Generic options:<br />
-help <SECTION> Show help about options. SECTION may be empty or: all, examples, generic,<br />
gpdc<br />
-version Show version information<br />
-app-version Show short version information<br />
-reportbug Start bug report dialog, information about bug is passed through stdin.<br />
This option is used internally to report bugs if option -nobugreport is<br />
not specified.<br />
-reportint Start bug report dialog, information about interruption is passed through<br />
stdin. This option is used internally to report interruptions if option<br />
-nobugreport is not specified.<br />
-nobugreport Do not generate bug report in case of error<br />
<br />
Examples:<br />
<br />
gpdc < test.model<br />
<br />
Calculate fundamental Rayleigh dispersion curve from 0.2 Hz to 20 Hz for model 'test.model'.<br />
<br />
gpdc -L 1 -R 2 < test.model<br />
<br />
Calculate fundamental Love mode and fundamental and first higher mode for Rayleigh.<br />
<br />
gpdc < test.model | figue -c<br />
<br />
Calculate the same dispersion curve and plot it.<br />
<br />
gpdc < test.model | figue -c -m dc.mkup<br />
<br />
Show the same dispersion curve on a log-log plot. 'dc.mkup' is a tar.gz file containing an xml<br />
description of the graphic format, it can be generated from figue's interface.<br />
<br />
See also:<br />
gpell, gpprofile<br />
<br />
Copyright:<br />
Copyright (c) 2002-2008 Marc Wathelet. All rights reserved.<br />
See http://www.geopsy.org for more information.<br />
<br />
<br />
--[[User:Mao|Mao]] 15:12, 1 November 2008 (UTC)</div>
Mao