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IsBoundary (ControlPoint) *

Introduced

4.2

Description

Returns a Boolean value indicating whether the ControlPoint is a boundary (true) or not.

C# Syntax

// get accessor
Boolean rtn = ControlPoint.IsBoundary;

Examples

1. VBScript Example

NewScene ,false
CreatePrim "Arc", "NurbsCurve"
SetSelFilter "Vertex"
SelectGeometryComponents "arc.pnt[0]"
logmessage "is point #0 a boundary point ? answer = " _
   & selection(0).SubComponent.ComponentCollection(0).IsBoundary

SelectGeometryComponents "arc.pnt[9]"
logmessage "is point #9 a boundary point ? answer = " _
   & selection(0).SubComponent.ComponentCollection(0).IsBoundary

SelectGeometryComponents "arc.pnt[LAST]"
logmessage "is last point a boundary point ? answer = " _
   & selection(0).SubComponent.ComponentCollection(0).IsBoundary

' Expected Result:
'INFO : is point #0 a boundary point ? answer = True
'INFO : is point #9 a boundary point ? answer = False
'INFO : is last point a boundary point ? answer = True

2. JScript Example

NewScene( null, false );
CreatePrim( "Grid", "NurbsSurface", null, null );
ActivateVertexSelTool();
SelectGeometryComponents("grid.pnt[(0,0)]");
logmessage( "is point (0,0) a boundary point ? answer = " 
   + selection(0).SubComponent.ComponentCollection(0).IsBoundary );

SelectGeometryComponents("grid.pnt[(5,5)]");
logmessage( "is point (5,5) a boundary point ? answer = " 
   + selection(0).SubComponent.ComponentCollection(0).IsBoundary );

SelectGeometryComponents("grid.pnt[(10,10)]");
logmessage( "is point (10,10) a boundary point ? answer = " 
   + selection(0).SubComponent.ComponentCollection(0).IsBoundary );

// Expected Result:
//INFO : is point (0,0) a boundary point ? answer = true
//INFO : is point (5,5) a boundary point ? answer = false
//INFO : is point (10,10) a boundary point ? answer = true

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