SurfaceEvaluator.getNormalAtParameter Method

Parent Object: SurfaceEvaluator
Defined in namespace "adsk::core" and the header file is <Core/Geometry/SurfaceEvaluator.h>

Description

Gets the surface normal at a parameter position on the surface.

Syntax

"surfaceEvaluator_var" is a variable referencing a SurfaceEvaluator object.

(returnValue, normal) = surfaceEvaluator_var.getNormalAtParameter(parameter)
 

#include <Core/Geometry/SurfaceEvaluator.h

// Declare the output arguments.
Ptr<Point2D> parameter;
Ptr<Vector3D> normal;
boolean returnValue = surfaceEvaluator_var->getNormalAtParameter(parameter, normal);

Return Value

Type Description
boolean Returns true if the normal was successfully returned.

Parameters

Name Type Description
parameter Point2D The parameter position to return the normal at. The parameter position must be with the range of the parameter extents as verified by isParameterOnFace.
normal Vector3D The output normal for the parameter position on the surface.

Version

Introduced in version August 2014