[OpenLayers-Users] problem of understanding point of Time for map drawing

[Wolfgang Wienke]

Hi,
if I understand right, a map is drawn, when the map object is defined.
Is there no possibility of "redraw the map" (for example with other
overlays)?
Do I have to declare all overlays BEFORE drawing and set their visibility?
-- 
                               mit freundlichen Grüssen

                                     Wolfgang Wienke
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