Upon importing an IDF file generated by the DXF to IDF conversion tool it seems that portions of the offsets are in the wrong coordinate system while others are ok. What is happening here ?
At least some of the information in the DXF file is 2D polyline data. The DXF translator built into FastShip is a fairly simple one. Strictly speaking it only imports 3D polylines or 3D polygon meshes. However, it can also import 2D polylines with the following caveat. The DXF file specification requires that vertex locations of the entities in DXF files are saved in each entity’s own Object Coordinate System (OCS) to conserve space. For 3D polylines and 3D meshes, the OCS corresponds to the World Coordinate System (WCS). However, for 2D polylines, the OCS is not necessarily the same as the WCS and therein lies the rub. The translator does not currently take into account differences between the OCS and WCS. Two things can be done in this regard. First, all of the lines in the original CAD model should be defined in the same User Coordinate System (UCS). If this does not solve the problem change the lines from 2D polylines to 3D polylines in the original CAD model before exporting them
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