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gpx2survex

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Philip Sargent 2023-11-10 00:37:34 +02:00
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handbook/troggle/scriptscurrent.html
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@ -102,9 +102,11 @@ Get this from GitHub <a href="https://github.com/mshinwell/gps2survex">https://g
<p>Read the <a href="troggle/make-essentialsREADME.txt">README</a> file in :loser:/gpx/y. <p>Read the <a href="troggle/make-essentialsREADME.txt">README</a> file in :loser:/gpx/y.
<p>Someone needs to document this and and make_svx.sh properly. <p>Someone needs to document this and and make_svx.sh properly.
<h4 id="surface">make_svx.sh</h4> <h4 id="surface">gpx2survex and make_svx.sh</h4>
<p>In :loser:/gpx/ <p>In :loser:/gpx/
<p>Regenerates the surface tracks as survex files from GPS .gpx files. Also requires the gpx2survex program. <p>Regenerates the surface tracks as survex files from GPS .gpx files. Also requires the gpx2survex program.
<p>We use the OCAML program gpx2survex but we now also have a python equivalent gpx2survex.py which is used by make_svx2.sh This is part of the make_essentials generation process.
<p>gpx2survex simplifies a track so that it is less voluminous.
<p>For the reverse process we don't need a script. For svx-to-gps we can use <var>survexport</var>: Olly says [2022]: "you shouldn't need to mess around with undocumented scripts - since 2018, you can just do: <p>For the reverse process we don't need a script. For svx-to-gps we can use <var>survexport</var>: Olly says [2022]: "you shouldn't need to mess around with undocumented scripts - since 2018, you can just do:
<var>survexport --entrances all.3d essentials.gpx</var>" <var>survexport --entrances all.3d essentials.gpx</var>"
<p>But that does rather rely on <var>all.3d</var> being properly generated, which troggle does not currently do reliably and automatically. <p>But that does rather rely on <var>all.3d</var> being properly generated, which troggle does not currently do reliably and automatically.