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From: Jim (DGI Tech Support) Support@DGNLink.com
Product: Cats
Date: 28 Sep 2000
Time: 10:23:07
For Dwg to Dgn translations, polyline and splines have a definite layer which can be mapped to a specific level using the control file. The important thing to remember is that all the commands in the control file are considered for every entity and they are processed in the order entered. A common mistake is to redefine the the output level after the first assigment. For example, consider the following sequence:
If layer=ABC Then Level=1 Endif
If Color=3 Then Level=3 Endif
If you were processing a polyline on layer ABC, color=1; It would end up on level 1. A polyline on layer ABC, color=3 would end up on level 3 since it would also match the criteria in the second command.
Blocks follow similar rules, except you also have to consider the block definition and the block insert separately. In AutoCAD, the block can be defined on fixed layer or variable layers based on the insert layer.