a)How I can copy some drawing objects from source dwg to target dwg in the same dwg session by using c#.Also I have to take care of Coordinate system of target dwg.Is it possible that copied dwg objects automatically conveted to the target coordinate system?
b) How I can extract the coordinates system information of a AutoCAD map drawing and set the coordinate system of other dwg according to extracted information by using c# .Net.
>> to the target coordinate system
If that "coordinate system" is just a UCS then:
>> the coordinates system information of a AutoCAD map
Ok, in case of reprojection between different geographical coordinate-systems you can't do that with TransFormBy, you have to use the ADEQUERY functionality. For that you find samples in the Map3D-ObjectARX-kit.
- alfred -
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