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shapefile stuff - online edit of handbook/troggle/scriptscurrent.html

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handbook/troggle/scriptscurrent.html
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@ -97,8 +97,8 @@ and run
<h4 id="gps">make_essentials.sh</h4>
<p>In :loser:/gpx/
<p>Makes essentials.gpx - see <a href="../essentials.html">GPS on expo</a>.
This requires the gpx2survex program (written in OCAML).
Get this from GitHub <a href="https://github.com/mshinwell/gps2survex">https://github.com/mshinwell/gps2survex;</a>
This used to require the gpx2survex program (written in OCAML) but now doesn't (since 2023).
Get the OCAML file from GitHub <a href="https://github.com/mshinwell/gps2survex">https://github.com/mshinwell/gps2survex;</a>
<p>Read the <a href="make-essentialsREADME.txt">README</a> file in :loser:/gpx/y.
<p>Someone needs to document this and and make_svx.sh properly.
@ -116,13 +116,15 @@ Get this from GitHub <a href="https://github.com/mshinwell/gps2survex">https://g
<h4 id="ocaml">convert_shx.ml</h4>
<p>Not quite obsolete, but nearly.
<p>Unusually, this is in the <var>:loser:</var> repository, in :loser:/fixedpoints/scripts/convert_shx/
<p>We think this turns a shapefile which holds the coordinates of the 1623, 1624 boundaries into GPX. But we have mislaid the shapefile containing this vital data.
<p>It runs <var>ogr2ogr -f csv -lco GEOMETRY=AS_WKT outputfile inputfile</var> and then extensively post-processes the shapefile output.
It is written in OCAML. Therefore it must be Mark Shinwell's responsibility.
<p><a href="https://gdal.org/programs/ogr2ogr.html">ogr2ogr</a> is a file conversion utility.
It seems to be being run to convert CSV files into something else. The "shx" part of the name implies a
<a href="https://docs.fileformat.com/gis/shx/">shapefile index format</a>.
<p>We suspect this is part of the production process for making essentials.gpx.
<p>We suspect this was part of the production process for originally making essentials.gpx, but we don't need it as we now have the boundary data in other formats.
<h4>svx2qm.py, tablize-qms.pl, find-dead-qms.py,qmreader.pl</h4>
See the entire page devoted to the various