DRAW Reference Manual
Draw the Design : Define VIEW Contents Using Id Lists : Spatial Map
Spatial Map
The ADD ... WITHIN variation of the ADD command uses the AVEVA E3D™ spatial map. The spatial map is a simplified geometric representation of the 3D model. For example:
ADD /ZONE99 WITHIN E5000 N5000 U5000 TO W1000 S1000 U0
REMOVE WITHIN E2500 N1000 U500 TO E0 N0 U0
The first example creates a list of ADD entries, one for each significant element that is in /ZONE99 and which overlaps the specified volume. The second example generates a list of REMOVE entries, one for each significant element in the current MDB that overlaps the specified volume.
Note:
If the spatial map is not up-to-date the list of elements generated can be incorrect. The ADD ... WITHIN method can produce very long Id Lists. These are liable to become out-of-date as elements are added to, and removed from, the Design databases. Better results can be yielded by setting the IDLI’s LIMI attribute to define the required volume and only ADD the relevant SITEs and ZONEs to the Id List.
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