void axRenderControl1_RcMouseClickSelect(IPickResult PickResult, IPoint IntersectPoint, gviModKeyMask Mask, gviMouseSelectMode EventSender) { try { this.axRenderControl1.FeatureManager.UnhighlightAll(); if (PickResult != null) { if (PickResult.Type == gviObjectType.gviObjectFeatureLayer) { IFeatureLayerPickResult flpr = PickResult as IFeatureLayerPickResult; int fid = flpr.FeatureId; this.axRenderControl1.FeatureManager.HighlightFeature(_featureClass, fid, System.Drawing.Color.Yellow); ////////////////////////////////////////////////////////////////////////// // // GeometryConvert的代码添加在这里 // ////////////////////////////////////////////////////////////////////////// fidList.Clear(); fidList.Add(fid); IRowBuffer rowGC = _featureClass.GetRow(fidList[0]); int nPose = rowGC.FieldIndex("Geometry"); if (nPose == -1) { MessageBox.Show("不存在Geometry列"); return; } // 获取ModelPoint IModelPoint modelPointGC = null; if (rowGC != null) { nPose = rowGC.FieldIndex("Geometry"); IGeometry geo = rowGC.GetValue(nPose) as IGeometry; if (geo.GeometryType == gviGeometryType.gviGeometryModelPoint) { modelPointGC = geo as IModelPoint; } } this.Text = "拾取成功"; // 获取Model string modelName = modelPointGC.ModelName; IModel modelGC = (_featureClass.FeatureDataSet as IResourceManager).GetModel(modelName); // 1、获取MultiTriMesh IGeometryConvertor gc = new GeometryConvertor(); IMultiTriMesh multiTM = gc.ModelPointToTriMesh(modelGC, modelPointGC, false); this.Text = "ModelToTriMesh完成"; if (this.cbCreateRenderTriMesh.Checked) { // 创建RenderTriMesh在三维上显示 for (int i = 0; i < multiTM.GeometryCount; i++) { ITriMesh tm = multiTM.GetGeometry(i) as ITriMesh; IRenderTriMesh rtm = this.axRenderControl1.ObjectManager.CreateRenderTriMesh(tm, null, rootId); //随机颜色填充TriMesh Random randObj = new Random(i); int aColor = randObj.Next(0, 255); int gColor = randObj.Next(0, 255); int rColor = randObj.Next(0, 255); ISurfaceSymbol ss = new SurfaceSymbol(); ss.Color = System.Drawing.Color.FromArgb(rColor, gColor, aColor); rtm.Symbol = ss; rTMeshList.Add(rtm); } } if (this.cbCreateRenderPolygon.Checked) { // 2、获取投影MultiPolygon IMultiPolygon multiPolygon = gc.ProjectTriMeshToPolygon(multiTM, 1.0); this.Text = "MultiTriMeshToFootprint完成。面积:" + multiPolygon.GetArea(); // 创建RenderPolygon在三维上显示 for (int i = 0; i < multiPolygon.GeometryCount; i++) { IPolygon polygon = multiPolygon.GetGeometry(i) as IPolygon; IRenderPolygon rpolygon = this.axRenderControl1.ObjectManager.CreateRenderPolygon(polygon, null, rootId); rPolygonList.Add(rpolygon); } } if (this.cbCreateRenderPolygon2.Checked) { // 3、获取切割MultiPolygon double heightSpec = 0.0, heightIntersect = 0.0; Double.TryParse(IntersectPoint.Z.ToString(), out heightIntersect); fidList.Clear(); fidList.Add(fid); IEnvelope box = _featureClass.GetFeaturesEnvelope(fidList.ToArray(), "Geometry"); heightSpec = System.Math.Abs(heightIntersect - box.MinZ); // 注意:CutTriMeshToPolygon方法的第三个参数为空间分辨率,应该选择合适值。 // 值过大会导致结果不精确,值过小会导致转换时间过长。使用时应设置大小合适的值来平衡精度和效率问题。 IMultiPolygon multiPolygon2 = gc.CutTriMeshToPolygon(multiTM, heightSpec, 0.5); this.Text = "MultiTriMeshToFootprint2完成。面积:" + multiPolygon2.GetArea(); // 创建RenderPolygon在三维上显示 for (int i = 0; i < multiPolygon2.GeometryCount; i++) { IPolygon polygon2 = multiPolygon2.GetGeometry(i) as IPolygon; IRenderPolygon rpolygon2 = this.axRenderControl1.ObjectManager.CreateRenderPolygon(polygon2, null, rootId); rPolygonList2.Add(rpolygon2); } } if (this.cbCreateRenderMulPoint.Checked) { // 4、获取MultiPoint IMultiPoint multiPoint = gc.MultiTriMeshToMultiPoint(multiTM, 3.0); this.Text = "MultiTriMeshToMultiPoint完成。MultiPoint个数为:" + multiPoint.GeometryCount; //创建RenderPoint在三维上显示 IRenderMultiPoint rpoint = this.axRenderControl1.ObjectManager.CreateRenderMultiPoint(multiPoint, null, rootId); rPointList.Add(rpoint); } } } } catch (System.Exception ex) { if (ex.GetType().Name.Equals("UnauthorizedAccessException")) { MessageBox.Show("需要标准runtime授权"); } else { MessageBox.Show(ex.Message); } } }
void axRenderControl1_RcMouseClickSelect(IPickResult PickResult, IPoint IntersectPoint, gviModKeyMask Mask, gviMouseSelectMode EventSender) { try { if (PickResult != null) { if (PickResult.Type == gviObjectType.gviObjectFeatureLayer) { IFeatureLayerPickResult flpr = PickResult as IFeatureLayerPickResult; int fid = flpr.FeatureId; this.axRenderControl1.FeatureManager.HighlightFeature(_featureClass, fid, System.Drawing.Color.Yellow); ////////////////////////////////////////////////////////////////////////// // // GeometryConvert的代码添加在这里 // ////////////////////////////////////////////////////////////////////////// fidList.Clear(); fidList.Add(fid); IRowBuffer rowGC = _featureClass.GetRow(fidList[0]); int nPose = rowGC.FieldIndex("Geometry"); if (nPose == -1) { MessageBox.Show("不存在Geometry列"); return; } // 获取polygon IPolygon polygonGC = null; if (rowGC != null) { nPose = rowGC.FieldIndex("Geometry"); IGeometry geo = rowGC.GetValue(nPose) as IGeometry; if (geo.GeometryType == gviGeometryType.gviGeometryPolygon) { polygonGC = geo as IPolygon; } } this.Text = "拾取成功"; //第一个Tab页:ExtrudePolygonToModel if (this.tabControl1.SelectedIndex == 0) { // 1.调接口构造模型 IGeometryConvertor gc = new GeometryConvertor(); gviRoofType rooftype = gviRoofType.gviRoofFlat; switch (this.comboxRoofType.Text) { case "Flat": rooftype = gviRoofType.gviRoofFlat; break; case "Gable": rooftype = gviRoofType.gviRoofGable; break; case "Hip": rooftype = gviRoofType.gviRoofHip; break; } string imgPath = (strMediaPath + @"\dds"); string roof = this.comboBoxRoofTexture.Text; string facade = this.comboBoxFacadeTexture.Text; IModelPoint mp = null; IModel model = null; if (!gc.ExtrudePolygonToModel(polygonGC, int.Parse(this.numFloorNumber.Value.ToString()), double.Parse(this.numFloorHeight.Value.ToString()), double.Parse(this.numSlopeAngle.Value.ToString()), rooftype, facade, roof, out mp, out model)) { MessageBox.Show("拉体块出错!"); return; } //2、将模型及贴图写入osg文件 string modelName = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString() + ".osg");//输出osg文件路径 IResourceFactory resFactory = new ResourceFactory(); string[] imageNames = model.GetImageNames(); IPropertySet ps = new PropertySet(); for (int i = 0; i < imageNames.Length; i++) { string imgName = imageNames[i]; IImage img = resFactory.CreateImageFromFile(string.Format(@"{0}\{1}", imgPath + @"\facade", imgName)); if (img == null) { img = resFactory.CreateImageFromFile(string.Format(@"{0}\{1}", imgPath + @"\roof", imgName)); } ps.SetProperty(imgName, img); } model.WriteFile(modelName, ps); //3、测试显示模型 mp.ModelName = modelName; IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, null, rootId); rmp.MouseSelectMask = gviViewportMask.gviViewNone; rmp.MaxVisibleDistance = 100000; this.axRenderControl1.Camera.LookAtEnvelope(mp.Envelope);//飞入 mpList.Add(rmp); } //第二个tab页:ExtrudePolygonToTriMesh else { // 1.调接口构造模型 IGeometryConvertor gc = new GeometryConvertor(); ITriMesh tm = gc.ExtrudePolygonToTriMesh(polygonGC, double.Parse(this.numHeight.Value.ToString()), true); if (tm == null) { MessageBox.Show("拉体块出错!"); return; } //2、显示三角面 //---- 渲染样式不是必须的 ----- ISurfaceSymbol surfaceSym = new SurfaceSymbol(); surfaceSym.Color = System.Drawing.Color.Red; surfaceSym.EnableLight = true; ICurveSymbol curveSym = new CurveSymbol(); curveSym.Color = System.Drawing.Color.Yellow; curveSym.Width = 10; surfaceSym.BoundarySymbol = curveSym; //---- ------------------ ----- IRenderTriMesh rmp = this.axRenderControl1.ObjectManager.CreateRenderTriMesh(tm, surfaceSym, rootId); rmp.MouseSelectMask = gviViewportMask.gviViewNone; rmp.MaxVisibleDistance = 100000; this.axRenderControl1.Camera.LookAtEnvelope(rmp.Envelope);//飞入 tmList.Add(rmp); } } } } catch (System.Exception ex) { if (ex.GetType().Name.Equals("UnauthorizedAccessException")) { MessageBox.Show("需要标准runtime授权"); } else { MessageBox.Show(ex.Message); } } }