Function ProSectionEntityParamEval
Description
Finds the corresponding normalized parameter value on the curve, given the XY point. Its value ranges from 0 to 1.
Synopsis
#include <ProSection.h>
ProSectionEntityParamEval | |
( ProSection section /* (In) The section */ int ent_id /* (In) The entity identifier */ Pro2dPnt xy_point /* (In) The XY point. The point does not necessarily have to lie on the entity. If the point is off the entity, the function finds the closest point. */ double* p_param /* (Out) The corresponding normalized parameter on the entity geometry. */ ) |
Returns
The function successfully evaluated the point. | |
One or more of the input arguments are invalid. | |
More than one param value found. |
User Guide References
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