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update lat/lng clamping, to take account of the map projection not going beyond 85 degrees north/south

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This commit is contained in:
Jon Atkins 2013-09-05 22:40:23 +01:00
parent 7d3ca0972b
commit 2f96b9d07c
1 changed files with 5 additions and 4 deletions
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9
code/utils_misc.js
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@ -520,10 +520,11 @@ window.addLayerGroup = function(name, layerGroup, defaultDisplay) {
}
window.clampLat = function(lat) {
if (lat > 90.0)
lat = 90.0;
else if (lat < -90.0)
lat = -90.0;
// the map projection used does not handle above approx +- 85 degrees north/south of the equator
if (lat > 85.051128)
lat = 85.051128;
else if (lat < -85.051128)
lat = -85.051128;
return lat;
}