diff options
| -rw-r--r-- | templates/eastings.html | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/templates/eastings.html b/templates/eastings.html index 422c9ea..1657ea1 100644 --- a/templates/eastings.html +++ b/templates/eastings.html @@ -1,13 +1,23 @@ {% extends "base.html" %} -{% block title %}Cave Entrance locations in UTM{% endblock %} +{% block title %}Cave Entrances and other locations in UTM{% endblock %} {% block content %} <h1>Entrance locations</h1> <p> -These are all the locations specified in Northing/Easting coordinates in the system. +These are all the locations specified in Northing/Easting coordinates in the system. +This report is to help you sort out and fix the bad data in our records. You can see from the tables here +that UTM data sometimes have Northings and Eastings swapped, or UTM is used when it is intended to be +BMN and vice versa. +<p> +Coordinate systems in Austria are explained in:<br> +<a href="/handbook/survey/lasers.htm">Geographical fixed points on Loser</a><br> +<a href="/handbook/survey/coord2.html">GPS and coordinate systems</a><br> +<a href="/handbook/survey/coord.htm">Basic Coordinate Systems</a>. + +<p>The data in the table immediately below has been hand-entered and is sometimes very wrong. <table> <tr><th>Cave</th><th>Entrance</th><th>Easting</th><th>Northing</th><th>tag</th><th>tag exact</th><th>tag other</th><th>slug</th></tr> {% for ent in ents %} @@ -25,7 +35,14 @@ These are all the locations specified in Northing/Easting coordinates in the sys {% endfor %} </table> -<p>But the Entrances - the objects in the troggle system - are not properly connected to the dataset which is the combined set of survex data. They are only linked - and only implicitly - by the tag name. +<p>But the Entrances - the objects in the troggle system - are not properly connected to the dataset which is the combined set of survex data. They are only linked - and only implicitly - by the tag name. The data in the table below is calculated directly from +the assemblage of survex files, including fixed point files, and is probably 'correct'. +<p>But which coordinate system are they in ? Read these three articles to find out: +<br> +<a href="/eastings">Troggle UTM data report</a><br> +<a href="/handbook/survey/lasers.htm">Geographical fixed points on Loser</a><br> +<a href="/handbook/survey/coord2.html">GPS and coordinate systems</a><br> +<a href="/handbook/survey/coord.htm">Basic Coordinate Systems</a>. <table cellpadding="6" cellspacing="8"> <tr><th>Survex Station</th><th>x</th><th>y</th></tr> {% for s in stations %} |