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weather: Implement searching for nearest of measurement stations based on given lat/long coordinates. The distance calculation is naive pythagoraean one, should be changed to "Great circle distance" https://en.wikipedia.org/wiki/Great-circle_distance. (C implementation already done, just needs TCL-ization.)
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 08 Jan 2017 05:08:38 +0200
parents a30283d1f050
children 0e86d541840c
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