MultiPatchExamples\CompositeExamples.cs
// Copyright 2012 ESRI // // All rights reserved under the copyright laws of the United States // and applicable international laws, treaties, and conventions. // // You may freely redistribute and use this sample code, with or // without modification, provided you include the original copyright // notice and use restrictions. // // See the use restrictions. // using ESRI.ArcGIS.Geometry; using System; namespace MultiPatchExamples { public static class CompositeExamples { private static object _missing = Type.Missing; public static IGeometry GetExample1() { //Composite: Multiple, Disjoint Geometries Contained Within A Single MultiPatch IGeometryCollection multiPatchGeometryCollection = new MultiPatchClass(); IMultiPatch multiPatch = multiPatchGeometryCollection as IMultiPatch; //Vector3D Example 2 IGeometry vector3DExample2Geometry = Vector3DExamples.GetExample2(); ITransform3D vector3DExample2Transform3D = vector3DExample2Geometry as ITransform3D; vector3DExample2Transform3D.Move3D(5, 5, 0); IGeometryCollection vector3DExample2GeometryCollection = vector3DExample2Geometry as IGeometryCollection; for (int i = 0; i < vector3DExample2GeometryCollection.GeometryCount; i++) { multiPatchGeometryCollection.AddGeometry(vector3DExample2GeometryCollection.get_Geometry(i), ref _missing, ref _missing); } //Vector3D Example 3 IGeometry vector3DExample3Geometry = Vector3DExamples.GetExample3(); ITransform3D vector3DExample3Transform3D = vector3DExample3Geometry as ITransform3D; vector3DExample3Transform3D.Move3D(5, -5, 0); IGeometryCollection vector3DExample3GeometryCollection = vector3DExample3Geometry as IGeometryCollection; for (int i = 0; i < vector3DExample3GeometryCollection.GeometryCount; i++) { multiPatchGeometryCollection.AddGeometry(vector3DExample3GeometryCollection.get_Geometry(i), ref _missing, ref _missing); } //Vector3D Example 4 IGeometry vector3DExample4Geometry = Vector3DExamples.GetExample4(); ITransform3D vector3DExample4Transform3D = vector3DExample4Geometry as ITransform3D; vector3DExample4Transform3D.Move3D(-5, -5, 0); IGeometryCollection vector3DExample4GeometryCollection = vector3DExample4Geometry as IGeometryCollection; for (int i = 0; i < vector3DExample4GeometryCollection.GeometryCount; i++) { multiPatchGeometryCollection.AddGeometry(vector3DExample4GeometryCollection.get_Geometry(i), ref _missing, ref _missing); } //Vector3D Example 5 IGeometry vector3DExample5Geometry = Vector3DExamples.GetExample5(); ITransform3D vector3DExample5Transform3D = vector3DExample5Geometry as ITransform3D; vector3DExample5Transform3D.Move3D(-5, 5, 0); IGeometryCollection vector3DExample5GeometryCollection = vector3DExample5Geometry as IGeometryCollection; for (int i = 0; i < vector3DExample5GeometryCollection.GeometryCount; i++) { multiPatchGeometryCollection.AddGeometry(vector3DExample5GeometryCollection.get_Geometry(i), 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 GetExample4() { const double CircleDegrees = 360.0; const int CircleDivisions = 18; const double VectorComponentOffset = 0.0000001; const double InnerBuildingRadius = 3.0; const double OuterBuildingExteriorRingRadius = 9.0; const double OuterBuildingInteriorRingRadius = 6.0; const double BaseZ = 0.0; const double InnerBuildingZ = 16.0; const double OuterBuildingZ = 6.0; //Composite: Tall Building Protruding Through Outer Ring-Shaped Building IMultiPatch multiPatch = new MultiPatchClass(); IGeometryCollection multiPatchGeometryCollection = multiPatch as IGeometryCollection; IPoint originPoint = GeometryUtilities.ConstructPoint3D(0, 0, 0); IVector3D upperAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, 10); IVector3D lowerAxisVector3D = GeometryUtilities.ConstructVector3D(0, 0, -10); lowerAxisVector3D.XComponent += VectorComponentOffset; IVector3D normalVector3D = upperAxisVector3D.CrossProduct(lowerAxisVector3D) as IVector3D; double rotationAngleInRadians = GeometryUtilities.GetRadians(CircleDegrees / CircleDivisions); //Inner Building IGeometry innerBuildingBaseGeometry = new PolygonClass(); IPointCollection innerBuildingBasePointCollection = innerBuildingBaseGeometry as IPointCollection; //Outer Building IGeometry outerBuildingBaseGeometry = new PolygonClass(); IGeometryCollection outerBuildingBaseGeometryCollection = outerBuildingBaseGeometry as IGeometryCollection; IPointCollection outerBuildingBaseExteriorRingPointCollection = new RingClass(); IPointCollection outerBuildingBaseInteriorRingPointCollection = new RingClass(); for (int i = 0; i < CircleDivisions; i++) { normalVector3D.Rotate(-1 * rotationAngleInRadians, upperAxisVector3D); //Inner Building normalVector3D.Magnitude = InnerBuildingRadius; IPoint innerBuildingBaseVertexPoint = GeometryUtilities.ConstructPoint2D(originPoint.X + normalVector3D.XComponent, originPoint.Y + normalVector3D.YComponent); innerBuildingBasePointCollection.AddPoint(innerBuildingBaseVertexPoint, ref _missing, ref _missing); //Outer Building //Exterior Ring normalVector3D.Magnitude = OuterBuildingExteriorRingRadius; IPoint outerBuildingBaseExteriorRingVertexPoint = GeometryUtilities.ConstructPoint2D(originPoint.X + normalVector3D.XComponent, originPoint.Y + normalVector3D.YComponent); outerBuildingBaseExteriorRingPointCollection.AddPoint(outerBuildingBaseExteriorRingVertexPoint, ref _missing, ref _missing); //Interior Ring normalVector3D.Magnitude = OuterBuildingInteriorRingRadius; IPoint outerBuildingBaseInteriorRingVertexPoint = GeometryUtilities.ConstructPoint2D(originPoint.X + normalVector3D.XComponent, originPoint.Y + normalVector3D.YComponent); outerBuildingBaseInteriorRingPointCollection.AddPoint(outerBuildingBaseInteriorRingVertexPoint, ref _missing, ref _missing); } IPolygon innerBuildingBasePolygon = innerBuildingBaseGeometry as IPolygon; innerBuildingBasePolygon.Close(); IRing outerBuildingBaseExteriorRing = outerBuildingBaseExteriorRingPointCollection as IRing; outerBuildingBaseExteriorRing.Close(); IRing outerBuildingBaseInteriorRing = outerBuildingBaseInteriorRingPointCollection as IRing; outerBuildingBaseInteriorRing.Close(); outerBuildingBaseInteriorRing.ReverseOrientation(); outerBuildingBaseGeometryCollection.AddGeometry(outerBuildingBaseExteriorRing as IGeometry, ref _missing, ref _missing); outerBuildingBaseGeometryCollection.AddGeometry(outerBuildingBaseInteriorRing as IGeometry, ref _missing, ref _missing); ITopologicalOperator topologicalOperator = outerBuildingBaseGeometry as ITopologicalOperator; topologicalOperator.Simplify(); IConstructMultiPatch innerBuildingConstructMultiPatch = new MultiPatchClass(); innerBuildingConstructMultiPatch.ConstructExtrudeFromTo(BaseZ, InnerBuildingZ, innerBuildingBaseGeometry); IGeometryCollection innerBuildingMultiPatchGeometryCollection = innerBuildingConstructMultiPatch as IGeometryCollection; for (int i = 0; i < innerBuildingMultiPatchGeometryCollection.GeometryCount; i++) { multiPatchGeometryCollection.AddGeometry(innerBuildingMultiPatchGeometryCollection.get_Geometry(i), ref _missing, ref _missing); } IConstructMultiPatch outerBuildingConstructMultiPatch = new MultiPatchClass(); outerBuildingConstructMultiPatch.ConstructExtrudeFromTo(BaseZ, OuterBuildingZ, outerBuildingBaseGeometry); IMultiPatch outerBuildingMultiPatch = outerBuildingConstructMultiPatch as IMultiPatch; IGeometryCollection outerBuildingMultiPatchGeometryCollection = outerBuildingConstructMultiPatch as IGeometryCollection; for (int i = 0; i < outerBuildingMultiPatchGeometryCollection.GeometryCount; i++) { IGeometry outerBuildingPatchGeometry = outerBuildingMultiPatchGeometryCollection.get_Geometry(i); multiPatchGeometryCollection.AddGeometry(outerBuildingPatchGeometry, ref _missing, ref _missing); if (outerBuildingPatchGeometry.GeometryType == esriGeometryType.esriGeometryRing) { bool isBeginningRing = false; esriMultiPatchRingType multiPatchRingType = outerBuildingMultiPatch.GetRingType(outerBuildingPatchGeometry as IRing, ref isBeginningRing); multiPatch.PutRingType(outerBuildingPatchGeometry as IRing, multiPatchRingType); } } return multiPatchGeometryCollection as IGeometry; } } }