expoweb/handbook/computing/getsurvex.html
2019-03-26 14:45:33 +00:00

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<h2 id="tophead">CUCC Expedition Handbook</h2>
<h1>Installing surveying tools</h1>
<h2>Survex</h2>
<p>The main software we use to process cave data and surface surveys is <b>survex</b>
which has been written over several decades by CUCC cavers.
The first version was written during the 1990 Expo in Austria in the (old) potato hut.
A <a href="survexhistory96.htm">history of survex</a> article was published in Cambridge Underground 1996. It covers the period 1988-1996.
<p>Download the survex package here: <a href="https://survex.com/">www.survex.com</a> and install it.
<p>You will discover that the application installed is actually called "aven" but do not be concerned.
This is what you will use to visualise .svx files as beautiful cave centre-line surveys.
<p>If you are entering new survey data from a new cave, you will also need either
<a href="https://bitbucket.org/goatchurch/tunnelx/wiki/Home">TunnelX</a> or
<a href="https://therion.speleo.sk/">Therion</a> to
convert your sketches into actual plan and elevation presentation-quality surveys.
<h2>TunnelX</h2>
<p>Tunnel was written by <a href="http://expo.survex.com/folk/l/jtodd.htm">Julian Todd</a> (18 Austrian expos since 1989). It allows the generation of full 3D models of cave passages which can be viewed using a VRML browser.
<p>
<a href="https://bitbucket.org/goatchurch/tunnelx/wiki/Home">TunnelX intro</a>.
<p>
<a href="https://bitbucket.org/goatchurch/tunnelx/wiki/Installing_and_Running">TunnelX installation and running</a>.
<p>
<a href="http://expo.survex.com/expofiles/tunnelwiki/wiki/pages/Tunnel.html">TunnelX detailed wiki documentation (old)</a>.
<h2>Therion</h2>
<p>
<a href="https://therion.speleo.sk/">Therion</a>
<h2>GPS stuff</h2>
<p>GPS is increasingly important for all the surface work.
<p>
<a href="https://wiki.openstreetmap.org/wiki/GpsPrune">GPS Prune</a> is a vitally useful utility.
<h2>Other old stuff</h2>
<p>
<a href="https://code.google.com/archive/p/loch/">Loch</a> This is fork off of Therion's loch program.
The goal is to model Cave systems in 3d and have a high degree
of interaction between the user and the information.
There is currently no working version and is under very heavy development.
<p>
<a href="https://code.google.com/archive/p/topolinux/">TopoLinux</a>
consists of cave surveying applications for Linux PC and Android devices.
TopoDroid is an Open Source Android app to make cave surveys with the DistoX.
<p>
<a href="https://code.google.com/archive/p/psurvex/">psurvex</a>
My task was to write a new program which could read the data from an external file,
ideally one which resembled a .svx file as much as possible.
Psurvex supports
only a subset of the .svx file format but the same file should process in Survex
without any problems. You need to write a .svx file and save it somewhere on your machine.
This program will then process the file and create a second file containing a list of
points for plotting on graph paper and some statistics about your survey.
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