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ISelectByRay Method (IModelDoc2)

Selects the first object of the specified type that is intersected by a ray from point (x,y,z in meters) in direction vector (x,y,z) within a distance radius.

.NET Syntax

Visual Basic (Declaration) 
Function ISelectByRay( _
   ByRef PointIn As System.Double, _
   ByRef VectorIn As System.Double, _
   ByVal RadiusIn As System.Double, _
   ByVal TypeWanted As System.Integer _
) As System.Boolean
Visual Basic (Usage) 
Dim instance As IModelDoc2
Dim PointIn As System.Double
Dim VectorIn As System.Double
Dim RadiusIn As System.Double
Dim TypeWanted As System.Integer
Dim value As System.Boolean
 
value = instance.ISelectByRay(PointIn, VectorIn, RadiusIn, TypeWanted)
C# 
System.bool ISelectByRay( 
   ref System.double PointIn,
   ref System.double VectorIn,
   System.double RadiusIn,
   System.int TypeWanted
)
C++/CLI 
System.bool ISelectByRay( 
&   System.double% PointIn,
&   System.double% VectorIn,
&   System.double RadiusIn,
&   System.int TypeWanted
) 

Parameters

PointIn
Array containing 3 doubles that define the start point of the ray
VectorIn
Array containing 3 doubles that define the direction of the ray
RadiusIn

Radius of the ray in meters

TypeWanted

Type of objects to select as defined in swSelectType_e

Return Value

True if an object was selected, false if not

Remarks

This method:

  • Defines a cylindrical region of infinite length that begins at pointIn, runs parallel to VectorIn, and has a radius of RadiusIn. If you specified edge or vertex entities, then the first edge or vertex found within the selection cylinder is selected.

  • Only selects entity objects, which include faces, edges, vertices, and so on. You cannot select ISketch objects using this method.

  • Does not support the selection of silhouette edges.

Only a single entity is selected within the distance radius regardless of multiple entities existing within that radius. For selecting face entities, RadiusIn is ignored and a cylinder of infinitely small radius is used.

Use model space view to determine the selection vector in a drawing.

 

See Also

Availability

SolidWorks 2001Plus FCS, Revision Number 10.0


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