Provides access to members that locate a part of a geometry closest to a point.
Members
| Name | Description | |
|---|---|---|
 |
HitTest3D | Locates a part of a geometry closest to a query point. Any located part must be within searchRadius units from the query point. |
|
HitTestCone | Locates a part of a geometry closest to a query ray. |
IHitTest3D.HitTest3D Method
Locates a part of a geometry closest to a query point. Any located part must be within searchRadius units from the query point.
Public Function HitTest3D ( _
ByVal QueryPoint As IPoint, _
ByVal searchRadius As Double, _
ByVal geometryPart As esriGeometryHitPartType, _
ByVal hitPoint As IPoint, _
ByRef hitDistance As Double, _
ByRef hitPartIndex As Integer, _
ByRef hitSegmentIndex As Integer _
) As Boolean
public bool HitTest3D (
IPoint QueryPoint,
double searchRadius,
esriGeometryHitPartType geometryPart,
IPoint hitPoint,
ref double hitDistance,
ref int hitPartIndex,
ref int hitSegmentIndex
);
IHitTest3D.HitTestCone Method
Locates a part of a geometry closest to a query ray.
Public Function HitTestCone ( _
ByVal pQueryRay As IRay, _
ByVal minAngle As Double, _
ByVal geometryPart As esriGeometryHitPartType, _
ByVal pHitPoint As IPoint, _
ByRef pHitDistance As Double, _
ByRef pHitPartIndex As Integer, _
ByRef pHitSegmentIndex As Integer _
) As Boolean
public bool HitTestCone (
IRay pQueryRay,
double minAngle,
esriGeometryHitPartType geometryPart,
IPoint pHitPoint,
ref double pHitDistance,
ref int pHitPartIndex,
ref int pHitSegmentIndex
);
Classes that implement IHitTest3D
| Classes | Description |
|---|---|
| Envelope | A rectangle with sides parallel to a coordinate system defining the extent of another geometry; optionally has min and max measure, height and ID attributes. |
| MultiPatch | A collection of surface patches. |
| Multipoint | An ordered collection of points; optionally has measure, height and ID attributes. |
| Point | A two dimensional point, optionally with measure, height, and ID attributes. |
| Polygon | A collection of rings ordered by their containment relationship; optionally has measure, height and ID attributes. |
| Polyline | An ordered collection of paths; optionally has measure, height and ID attributes. |