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100 lines
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HTML
100 lines
4.5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
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<title>CUCC's Austria expeditions</title>
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<link rel="stylesheet" type="text/css" href="css/main2.css" />
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</head>
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<body>
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<h1>CUCC Austria Expeditions: Surveying</h1>
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<p>Surveying is clearly a vital part of the work of any caving exploration
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party, and for a group visiting the same area over a period of decades,
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maintaining a comprehensive and accurate repository of surveys is of paramount
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importance. CUCC's Austrian expeditions enjoy a reputation for the quality of
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our surveying work, and many advances in surveying techniques and software have
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been pioneered by Expos over the years.</p>
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<p>In particular, the <a
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href="http://www.survex.com/">Survex</a> suite of software for processing and
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manipulating centreline data, now used on many of the world's major cave
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surveying projects, was originally devised by Olly Betts during an Expo in the
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early 90's, and its subsequent development has been largely a CUCC in-house
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effort. In recent years we have also been using Julian Todd's <a
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href="http://sourceforge.net/projects/tunnelx/">TunnelX</a> software
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or <a href="http://therion.speleo.sk/">Therion</a> for
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drawing up the final finished copy of surveys; this is one of the reasons why
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it is not uncommon for there to be five computers in use in the Potato Hut
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simultaneously!</p>
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<p>A large proportion of this archive of survey data is available on this website.</p>
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<h3>Centreline data</h3>
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<p>After much debate as to whether it was more appropriate to make the data
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available as raw Survex <tt>.svx</tt> files or as compiled <tt>.3d</tt> image
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files, we opted to compromise by offering both. Unfortunately we are not able
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to make the all the data publically available, as this includes a large amount
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of data gathered by <a href="others/index.htm">other groups</a>; those who know
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the Expo username and password can download the whole dataset <a
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href="noinfo/all.3d">here</a> for the 3d files and <a
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href="noinfo/all.tgz">here</a> for the Survex files.<sup><a id="fn1ref"
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href="#footnote1">1</a></sup></p>
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<p>At the moment survey data is being made available gradually on a
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cave-by-cave basis; the first batch of caves are those under active exploration
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by CUCC as of summer 2004, namely <a
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href="1623/204/204.html">Steinbrückenhöhle</a> (1623/204), <a
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href="1623/234/234.html">Hauchhöhle</a> (1623/234) and <a
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href="1623/76/76.htm"> Eislufthöhle</a> (1623/76).</p>
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<h3>Drawn-up surveys</h3>
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<p>Final copies of surveys of various vintages are sprinkled throughout the
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site, linked from the description pages of the caves they correspond to. Of
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current interest are the plans of <a
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href="1623/204/204.html">Steinbrückenhöhle</a>, <a
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href="1623/234/234.html">Hauchhöhle</a>, and <a
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href="1623/76/76.htm"> Eislufthöhle</a>.</p>
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<h3>Working area</h3>
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<p>Expo members should take particular note of the surveys working area, which
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contains scans of recent survey notes. If you have surveys to draw up, they
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will be listed in the <a href="survey">index,
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ordered by year and wallet number</a>, which also lets you enter new
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data (Currently broken), or there is a simple <a href="surveys/surveytable.html">index of all the scans</a>.</p>
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<p><sup><a id="footnote1" href="#fn1ref">1</a></sup>As there are (at the last
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count) 563 separate files in the raw dataset, it is available for download as a
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tar archive compressed with GZIP; on Unix systems this can be decompressed with
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"tar -xzvf all.tgz". Windows users can read these files with <a
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href="http://www.winzip.org">WinZip</a> or an equivalent tool (such as the
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freeware <i>WinImp</i>).</p>
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<hr />
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<!-- LINKS -->
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<ul id="links">
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<li>Back to <a href="../index.htm">CUCC Home page</a></li>
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<li><b>Main Indices:</b>
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<ul>
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<li><a href="infodx.htm"><b>Index</b> to Expo</a> information pages</li>
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<li><a href="areas.htm">Description of CUCC's area</a> and split to subareas</li>
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<li>Full <a href="indxal.htm">Index to cave descriptions</a> in area 1623</li>
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<li>List of (links to) <a href="pubs.htm">published reports and logbooks</a></li>
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</ul></li>
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<li><b>Pictures:</b>
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<ul>
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<li><a href="gall0.htm">Text only Index</a></li>
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<li><a href="gallery/0.htm">Index pages (with thumbnails)</a></li>
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</ul></li>
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<li>Other info:
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<ul>
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<li>Table of <a href="folk/index.htm">members of CUCC expeditions</a> 1976-present</li>
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<li><a href="others/index.htm">Other groups</a> who have worked in the area.</li>
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</ul></li></ul>
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</body>
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</html>
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