VARKON Version 1.15 1997-10-24
startp - Function
Geometrical function
Description
Returns the start position of a line, arc or curve. Geometrically the same thing as on(ref,0).
Syntax
startp(ref)
REF ref;
Principal parameters
ref - Identity of line, arc or curve
Optional parameters
None.
Return value
A VECTOR value equal to the start position of the specified entity.
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