public static IGeometry GetExample2()
{
//TriangleStrip: Multi-Paneled Vertical Plane
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
//Panel 1
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-7.5, 7.5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-7.5, 7.5, 7.5), ref _missing, ref _missing);
//Panel 2
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-2.5, 2.5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-2.5, 2.5, 7.5), ref _missing, ref _missing);
//Panel 3
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(2.5, -2.5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(2.5, -2.5, 7.5), ref _missing, ref _missing);
//Panel 4
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(7.5, -7.5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(7.5, -7.5, 7.5), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample3()
{
//TriangleStrip: Stairs
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
//First Step
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 10, 10), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 10, 10), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 7.5, 10), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 7.5, 10), ref _missing, ref _missing);
//Second Step
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 7.5, 7.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 7.5, 7.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 5, 7.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 5, 7.5), ref _missing, ref _missing);
//Third Step
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 5, 5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 5, 5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2.5, 5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 2.5, 5), ref _missing, ref _missing);
//Fourth Step
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2.5, 2.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 2.5, 2.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 2.5), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 0, 2.5), ref _missing, ref _missing);
//End
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(10, 0, 0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample1()
{
//TriangleStrip: Square Lying On XY Plane
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-6, -6, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-6, 6, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(6, -6, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(6, 6, 0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample2()
{
//Composite: Cutaway Of Building With Multiple Floors Composed Of 1 TriangleStrip And 5 Ring Parts
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IMultiPatch multiPatch = multiPatchGeometryCollection as IMultiPatch;
//Walls
IPointCollection wallsPointCollection = new TriangleStripClass();
//Start
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 0), ref _missing, ref _missing);
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 16), ref _missing, ref _missing);
//Right Wall
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 0), ref _missing, ref _missing);
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 16), ref _missing, ref _missing);
//Back Wall
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 0), ref _missing, ref _missing);
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 16), ref _missing, ref _missing);
//Left Wall
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 0), ref _missing, ref _missing);
wallsPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 16), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(wallsPointCollection as IGeometry, ref _missing, ref _missing);
//Floors
//Base
IPointCollection basePointCollection = new RingClass();
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 0), ref _missing, ref _missing);
IRing baseRing = basePointCollection as IRing;
baseRing.Close();
multiPatchGeometryCollection.AddGeometry(baseRing as IGeometry, ref _missing, ref _missing);
//First Floor
IPointCollection firstFloorPointCollection = new RingClass();
firstFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 4), ref _missing, ref _missing);
firstFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 4), ref _missing, ref _missing);
firstFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 4), ref _missing, ref _missing);
firstFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 4), ref _missing, ref _missing);
IRing firstFloorRing = firstFloorPointCollection as IRing;
firstFloorRing.Close();
multiPatchGeometryCollection.AddGeometry(firstFloorRing as IGeometry, ref _missing, ref _missing);
//Second Floor
IPointCollection secondFloorPointCollection = new RingClass();
secondFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 8), ref _missing, ref _missing);
secondFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 8), ref _missing, ref _missing);
secondFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 8), ref _missing, ref _missing);
secondFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 8), ref _missing, ref _missing);
IRing secondFloorRing = secondFloorPointCollection as IRing;
secondFloorRing.Close();
multiPatchGeometryCollection.AddGeometry(secondFloorRing as IGeometry, ref _missing, ref _missing);
//Third Floor
IPointCollection thirdFloorPointCollection = new RingClass();
thirdFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 12), ref _missing, ref _missing);
thirdFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 12), ref _missing, ref _missing);
thirdFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 12), ref _missing, ref _missing);
thirdFloorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 12), ref _missing, ref _missing);
IRing thirdFloorRing = thirdFloorPointCollection as IRing;
thirdFloorRing.Close();
multiPatchGeometryCollection.AddGeometry(thirdFloorRing as IGeometry, ref _missing, ref _missing);
//Roof
IPointCollection roofPointCollection = new RingClass();
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, 3, 16), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(3, -3, 16), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, -3, 16), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-3, 3, 16), ref _missing, ref _missing);
IRing roofRing = roofPointCollection as IRing;
roofRing.Close();
multiPatchGeometryCollection.AddGeometry(roofRing as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample3()
{
//Composite: House Composed Of 7 Ring, 1 TriangleStrip, And 1 Triangles Parts
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IMultiPatch multiPatch = multiPatchGeometryCollection as IMultiPatch;
//Base (Exterior Ring)
IPointCollection basePointCollection = new RingClass();
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 0), ref _missing, ref _missing);
basePointCollection.AddPoint(basePointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(basePointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(basePointCollection as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
//Front With Cutaway For Door (Exterior Ring)
IPointCollection frontPointCollection = new RingClass();
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 6), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 0), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 1, 0), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 1, 4), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -1, 4), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -1, 0), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 0), ref _missing, ref _missing);
frontPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 6), ref _missing, ref _missing);
frontPointCollection.AddPoint(frontPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(frontPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(frontPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
//Back (Exterior Ring)
IPointCollection backPointCollection = new RingClass();
backPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 6), ref _missing, ref _missing);
backPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 6), ref _missing, ref _missing);
backPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 0), ref _missing, ref _missing);
backPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 0), ref _missing, ref _missing);
backPointCollection.AddPoint(backPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(backPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(backPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
//Right Side (Ring Group)
//Exterior Ring
IPointCollection rightSideExteriorPointCollection = new RingClass();
rightSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 6), ref _missing, ref _missing);
rightSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 6), ref _missing, ref _missing);
rightSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 0), ref _missing, ref _missing);
rightSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 0), ref _missing, ref _missing);
rightSideExteriorPointCollection.AddPoint(rightSideExteriorPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(rightSideExteriorPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(rightSideExteriorPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
//Interior Ring
IPointCollection rightSideInteriorPointCollection = new RingClass();
rightSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(1, 4, 4), ref _missing, ref _missing);
rightSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(1, 4, 2), ref _missing, ref _missing);
rightSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1, 4, 2), ref _missing, ref _missing);
rightSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1, 4, 4), ref _missing, ref _missing);
rightSideInteriorPointCollection.AddPoint(rightSideInteriorPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(rightSideInteriorPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(rightSideInteriorPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchInnerRing);
//Left Side (Ring Group)
//Exterior Ring
IPointCollection leftSideExteriorPointCollection = new RingClass();
leftSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 6), ref _missing, ref _missing);
leftSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 0), ref _missing, ref _missing);
leftSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 0), ref _missing, ref _missing);
leftSideExteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 6), ref _missing, ref _missing);
leftSideExteriorPointCollection.AddPoint(leftSideExteriorPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(leftSideExteriorPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(leftSideExteriorPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchOuterRing);
//Interior Ring
IPointCollection leftSideInteriorPointCollection = new RingClass();
leftSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(1, -4, 4), ref _missing, ref _missing);
leftSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1, -4, 4), ref _missing, ref _missing);
leftSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1, -4, 2), ref _missing, ref _missing);
leftSideInteriorPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(1, -4, 2), ref _missing, ref _missing);
leftSideInteriorPointCollection.AddPoint(leftSideInteriorPointCollection.get_Point(0), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(leftSideInteriorPointCollection as IGeometry, ref _missing, ref _missing);
multiPatch.PutRingType(leftSideInteriorPointCollection as IRing, esriMultiPatchRingType.esriMultiPatchInnerRing);
//Roof
IPointCollection roofPointCollection = new TriangleStripClass();
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 6), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 6), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 0, 9), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 0, 9), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 6), ref _missing, ref _missing);
roofPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 6), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(roofPointCollection as IGeometry, ref _missing, ref _missing);
//Triangular Area Between Roof And Front/Back
IPointCollection triangularAreaPointCollection = new TrianglesClass();
//Area Between Roof And Front
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 0, 9), ref _missing, ref _missing);
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 4, 6), ref _missing, ref _missing);
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, -4, 6), ref _missing, ref _missing);
//Area Between Roof And Back
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 0, 9), ref _missing, ref _missing);
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, -4, 6), ref _missing, ref _missing);
triangularAreaPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-5, 4, 6), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangularAreaPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample5()
{
const double CylinderBaseDegrees = 360.0;
const int CylinderBaseDivisions = 8;
const double VectorComponentOffset = 0.0000001;
const double CylinderBaseRadius = 3;
const double CylinderUpperZ = 8;
const double CylinderLowerZ = 0;
//Vector3D: Cylinder, TriangleStrip With 8 Vertices
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
//Set Cylinder Base Origin To (0, 0, 0)
IPoint originPoint = GeometryUtilities.ConstructPoint3D(0, 0, 0);
//Define Upper Portion Of Axis Around Which Vector Should Be Rotated To Generate Cylinder Base Vertices
IVector3D upperAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, 10);
//Define Lower Portion of Axis Around Which Vector Should Be Rotated To Generate Cylinder Base Vertices
IVector3D lowerAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, -10);
//Add A Slight Offset To X or Y Component Of One Of Axis Vectors So Cross Product Does Not Return A Zero-Length Vector
lowerAxisVector3D.XComponent += VectorComponentOffset;
//Obtain Cross Product Of Upper And Lower Axis Vectors To Obtain Normal Vector To Axis Of Rotation To Generate Cylinder Base Vertices
IVector3D normalVector3D = upperAxisVector3D.CrossProduct(lowerAxisVector3D) as IVector3D;
//Set Normal Vector Magnitude Equal To Radius Of Cylinder Base
normalVector3D.Magnitude = CylinderBaseRadius;
//Obtain Angle Of Rotation In Radians As Function Of Number Of Divisions Within 360 Degree Sweep Of Cylinder Base
double rotationAngleInRadians = GeometryUtilities.GetRadians(CylinderBaseDegrees / CylinderBaseDivisions);
for (int i = 0; i < CylinderBaseDivisions; i++)
{
//Rotate Normal Vector Specified Rotation Angle In Radians Around Either Upper Or Lower Axis
normalVector3D.Rotate(rotationAngleInRadians, upperAxisVector3D);
//Construct Cylinder Base Vertex Whose XY Coordinates Are The Sum Of Origin XY Coordinates And Normal Vector XY Components
IPoint vertexPoint = GeometryUtilities.ConstructPoint3D(originPoint.X + normalVector3D.XComponent,
originPoint.Y + normalVector3D.YComponent,
0);
//Construct Lower Base Vertex From This Point And Add To TriangleStrip
IPoint lowerVertexPoint = GeometryUtilities.ConstructPoint3D(vertexPoint.X, vertexPoint.Y, CylinderLowerZ);
triangleStripPointCollection.AddPoint(lowerVertexPoint, ref _missing, ref _missing);
//Construct Upper Base Vertex From This Point And Add To TriangleStrip
IPoint upperVertexPoint = GeometryUtilities.ConstructPoint3D(vertexPoint.X, vertexPoint.Y, CylinderUpperZ);
triangleStripPointCollection.AddPoint(upperVertexPoint, ref _missing, ref _missing);
}
//Re-Add The First And Second Points Of The Triangle Strip (First Two Vertices Added) To Close The Strip
triangleStripPointCollection.AddPoint(triangleStripPointCollection.get_Point(0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(triangleStripPointCollection.get_Point(1), ref _missing, ref _missing);
//Add TriangleStrip To MultiPatch
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample5()
{
//TriangleStrip: Star Shaped Box Without Top or Bottom
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
//Start
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2, 5), ref _missing, ref _missing);
//First Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1 * Math.Sqrt(10), Math.Sqrt(10), 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1 * Math.Sqrt(10), Math.Sqrt(10), 5), ref _missing, ref _missing);
//Second Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-2, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-2, 0, 5), ref _missing, ref _missing);
//Third Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1 * Math.Sqrt(10), -1 * Math.Sqrt(10), 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(-1 * Math.Sqrt(10), -1 * Math.Sqrt(10), 5), ref _missing, ref _missing);
//Fourth Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, -2, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, -2, 5), ref _missing, ref _missing);
//Fifth Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(Math.Sqrt(10), -1 * Math.Sqrt(10), 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(Math.Sqrt(10), -1 * Math.Sqrt(10), 5), ref _missing, ref _missing);
//Sixth Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(2, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(2, 0, 5), ref _missing, ref _missing);
//Seventh Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(Math.Sqrt(10), Math.Sqrt(10), 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(Math.Sqrt(10), Math.Sqrt(10), 5), ref _missing, ref _missing);
//End, To Close Box
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 2, 5), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
public static IGeometry GetExample4()
{
//TriangleStrip: Box Without Top or Bottom
IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass();
IPointCollection triangleStripPointCollection = new TriangleStripClass();
//Start
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 10), ref _missing, ref _missing);
//First Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 0, 10), ref _missing, ref _missing);
//Second Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(5, 5, 10), ref _missing, ref _missing);
//Third Panel
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 5, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 5, 10), ref _missing, ref _missing);
//End, To Close Box
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 0), ref _missing, ref _missing);
triangleStripPointCollection.AddPoint(GeometryUtilities.ConstructPoint3D(0, 0, 10), ref _missing, ref _missing);
multiPatchGeometryCollection.AddGeometry(triangleStripPointCollection as IGeometry, ref _missing, ref _missing);
return multiPatchGeometryCollection as IGeometry;
}
