<div dir="ltr">Hi,<div>Method 1: Export centerline to kml format in therion: </div><div><font face="monospace">export model -fmt kml -disable splay-shots -o your_cave_cl.kml</font></div><div><font face="monospace"><br></font></div><div><font face="arial, sans-serif">Then you can use a GIS package to extract coordinates, or a simple text editor.</font></div><div><font face="monospace"><br></font></div><div>Method 2: Export to database in therion and then convert cartesian coordinates to lat/long with help of GDAL/PROJ4/QGis: </div><div><font face="monospace">export database -o your_cave.sql</font></div><div><br></div><div>at the bottom of
<span style="font-family:monospace">your_cave.sql</span> file you will have list of commands</div><div><br></div><div><font face="monospace">insert into STATION values (1, '0', 18, 387675.73, 6056702.67, 180.04);<br>insert into STATION_FLAG values(1, 'fix');<br>insert into STATION values (2, '30', 18, 387690.02, 6056686.38, 181.05);<br>insert into STATION values (3, '11', 18, 387696.58, 6056689.10, 179.76);</font><br></div><div>...</div><div><br></div><div>so those triples are your output coordinate system locations. Usually the coordinate system is some sort of UTM over WGS84 ellipsoid (look at your survey which one),</div><div>so you put that triple into txt file, separating values by spaces and run command line tool cs2cs from GDAL/PROJ4/QGis package:</div><div>Following example converts cartesian coordinates in the LKS94 coordinate system, which has EPSG (SRID) code 3346 to lat-long over WG84, which has 4326 EPSG code, </div><div>with precision up to 8 decimal digits (~1.1 mm accurate).</div><div><pre style="font-family:Consolas,"Liberation Mono",Menlo,Courier,monospace;font-size:13px;margin:15px 0px;padding:6px 10px;background-color:rgb(248,248,248);border:1px solid rgb(221,221,221);border-radius:3px;width:auto;overflow:auto;line-height:19px;color:rgb(51,51,51)"><code class="gmail-bash gmail-syntaxhl" style="font-family:Consolas,"Liberation Mono",Courier,monospace;font-size:12px"><span class="gmail-CodeRay">cs2cs +init=epsg<span class="gmail-reserved" style="color:rgb(0,136,0);font-weight:bold">:</span><span class="gmail-integer" style="color:rgb(0,0,221)">3346</span> +to +init=epsg<span class="gmail-reserved" style="color:rgb(0,136,0);font-weight:bold">:</span><span class="gmail-integer" style="color:rgb(0,0,221)">4326</span> -f <span class="gmail-string" style="background-color:rgba(255,0,0,0.05)"><span class="gmail-delimiter" style="color:rgb(119,17,0)">"</span><span class="gmail-content" style="color:rgb(221,34,0)">%.8f</span><span class="gmail-delimiter" style="color:rgb(119,17,0)">"</span></span> coords_file_lks94 > coords_file_wgs84</span></code></pre></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Mon, Sep 15, 2025 at 12:35 PM Rodrigo Severo via Therion <<a href="mailto:therion@speleo.sk">therion@speleo.sk</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-family:Arial,sans-serif;font-size:14px"><span>Hi,</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>I know this question is offtopic but I could not think a better place to ask: how to get geographic coordinates (LAT/LONG) of all stations of a centerline?</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>I have been asked to produced geographic coordinates of all stations of a centerline by some friends.</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>Does anybody knows how to do it inTherion, Survex or whatever software?</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>Thanks in advance for any help.</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>Rodrigo</span></div><div style="font-family:Arial,sans-serif;font-size:14px">
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