Piping > Drawings > Pipe Spool Drawing Generation > ISOGEN Data Control Files > Drawing Definition File
  
Drawing Definition File
This Drawing Definition file is used to control the appearance of isometric drawings. Drawing Definition files have a .DDF extension. Some features related to pipe spool drawing are listed in the following table.
Feature
Note
BEND/ELBOW-REPRESENTATION
BEND ROUND/SQUARE
ELBOW SQUARE/ROUND
Sets the representation of bend and elbow to sharp corner or round corner.