Points are disappearing when zooming to map

Topics: SharpMap v0.9 / v1.x, WinForms Controls
Jul 18, 2011 at 11:42 AM

There is a problem with zooming the map,

i have a shapefile, it's including 4950 point records (trees),

there is no problem when i add shape file to map layers at default zoom factor. all points appears on map

But when i zoom the map, some point (avarage % 20) disappering

also map include other layers like lake and borders

Please help me :)

Jul 18, 2011 at 12:10 PM

Do you use coordinate transformation using Proj.Net?

There is an open issue (http://sharpmap.codeplex.com/workitem/30925) regarding labels, but it may very well be that it is a general problem. In that case some sample data and the coordinate transformation setup would be useful

Cheers FObermaier

Jul 21, 2011 at 1:01 PM

is there any sample code about coordinate transformation with proj.net?

Jul 21, 2011 at 2:25 PM

In the winformsamples project

Hth FObermaier