Relations
All relations valid in a Creo Parametric model can be entered in a Pro/PROGRAM design.
If an expression you want to include in the RELATIONS statement contains more than 80 characters, use a backslash (\) to interrupt the current line and continue the expression on the next line.
The format can be as follows:
RELATIONS
PARAMETER = COVER_SIZE/2 + LENGTH*0.75 -\
0.75*d3*d3 + THICKNESS*2
END RELATIONS
Changing the material density in a part causes the system to update the mp_density value in relations and vice versa.
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• When using negative dimensions, a dollar sign ($) must precede the dimension symbol in both the input statement and the external input files. For example, use $d20 instead of d20. The dimensions will not be updated if a dollar sign does not precede the symbols.
• If the program assigns a value to a dimension variable that is already driven by a part or subassembly relation, two error messages appear. Edit or remove the program relation and regenerate.
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