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cave entrances moved - online edit of handbook/computing/myphone.html

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Philip Sargent
2025-05-11 16:29:00 +01:00
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handbook/computing/myphone.html
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@@ -48,17 +48,10 @@
<li>You need to do this on each individual Google photo album.
</ol>
<h3>Phone camera procedure: Cave entrances</h3>
<h3 id="ents">Phone camera procedure: Cave entrances</h3>
<p>We have a separate page specifically on recording <a href="/handbook/survey/gps.htm">cave entrances by GPS</a> in the survey handbook.
<p>Even if you have no intention of using your location or recording a track, the camera in your phone will record locations of your photos which are extremely useful to future expeditions - for reasons which only become apparent when you yourself try to work out what someione did 10 years previously.
<figure class=onright><a href='/handbook/computing/l/camera-ne-track.html'><img src='/handbook/computing/t/camera-ne-track.jpg' /></a><figcaption>Camera photo locations are not<br> on the track!</figcaption>
</figure>
<p>Your <em>camera</em> will use the same location settings as the rest of your phone, but sometimes with a bit of a delay. We have lots of examples of geo-located photos where the recorded location is alctually the location of the <em>previous</em> photo because someone has taken a quick photo but the phone hasn't had time after waking up to get a location, so it uses the previous one! And doesn't tell you!!
<p>So when taking a photo of an entrance, always take one photo; delete it, and take another. This will give your phone a chance to get synchronised properly.
<p>ALSO: always take 3 photos of any entrance, the obvious one about 10m away, a scene-setting one from 20 or 30m away, but also a really close one of 3 to 5m away, so that we can see if rocks have moved around the entrance and also for a much better identification in future. If there is a tag, <em>always</em> take a close-up photograph of it so that the letters are readable.
@@ -101,4 +94,5 @@ Go on to <a href="newcave.html">Next survey guide page</a> - 'Base Camp: getting
<br />
<a href="/handbook/computing/myphone.html">Your phone on expo</a> - Do not select the "high accuracy" location setting on your phone<br />
<a href="/handbook/essentials.html">GPS essentials on the plateau</a> - Safety information<br />
<a href="/logbookentry/2024-07-21/2024-07-21c">Photo GPS</a> - Is unreliable unless you follow procedure<br /></body></html>
<a href="/logbookentry/2024-07-21/2024-07-21c">Photo GPS</a> - Is unreliable unless you follow procedure<br />
<a href="/handbook/survey/gps.htm">Locating entrances by GPS</a> - from the survey handbook section<br /></body></html>