nens/lizard-client — pull request #180 by d-weeteling (2014-11-14 12:57:58+00:00)
Title: trivial fix for serious problem

problem
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Toggling a temporal non-tiled WMS layer off leaves the most recently rendered frame on the screen.

Solution
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The real problem (in the code) was the attempted removal of a non-existent Leaflet layer for such temporal non-tiled WMS layers.
We simply prevent that from happening.