Synopsis

PDX_MSGT igeo_EvalCurvePnt(long option, MDA_PTR db_ptr, IMTH_MATRIX matrix, double tval, MTH_3DPNT point)

Purpose

Evaluate a point on an IGES curve entity

Description

At a given parameter value between 0.0 and 1.0 inclusive, evaluate a point on the IGES curve entity.

Input

option

IGEO_FROMLEFT

Evaluate from the left

db_ptr

The IGES curve entity database pointer

matrix

The entity parent matrix to apply to the evaluated point

tval

The parameter value to evaluate (0.0 - 1.0)

Output

point

The XYZ 3D evaluated point location

Return

      IGEO_NOERR
      IGEO_ENTITYNOTCURVE
      Low level error return
      .fi