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map disappears after applying on-the-fly transformation to a layer

Topics: Algorithms, General Topics, SharpMap Project
Jul 17, 2009 at 9:07 AM
Edited Jul 20, 2009 at 3:29 AM

Hi all. I apply on-the-fly transformation to all the layers, for Mercator it works quite well but for Lambert and Albers, some strange thing happened. I can't find the shp file which I used as background. I checked the zoom and found it was 14668457.9823389 or 13201612.184105..... in a word it is big. I think this maybe the reason for the strange thing. Please give me some light on this, I am confused. 

Jul 20, 2009 at 4:06 AM

I tried again, the map(shp file) still diapeared but I found that the shape of the map was not disapear. It is there but the shape changed a lot ,I can bearly pick it out . However , some other part of the map maybe only the line to define the border of the country is lost  . Any one meet this kind of things before?