void axRenderControl1_RcMouseClickSelect(IPickResult PickResult, IPoint IntersectPoint, gviModKeyMask Mask, gviMouseSelectMode EventSender)
{
//删除包围框
for (int i = 0; i < rPolylinelist.Count; i++)
{
this.axRenderControl1.ObjectManager.DeleteObject((rPolylinelist[i] as IRenderPolyline).Guid);
}
rPolylinelist.Clear();
for (int i = 0; i < rPolylinelistWhole.Count; i++)
{
this.axRenderControl1.ObjectManager.DeleteObject((rPolylinelistWhole[i] as IRenderPolyline).Guid);
}
rPolylinelistWhole.Clear();
for (int i = 0; i < tableLabelList.Count; i++)
{
this.axRenderControl1.ObjectManager.DeleteObject((tableLabelList[i] as ITableLabel).Guid);
}
tableLabelList.Clear();
for (int i = 0; i < modelpointList.Count; i++)
{
this.axRenderControl1.ObjectManager.DeleteObject((modelpointList[i] as IRenderModelPoint).Guid);
}
modelpointList.Clear();
if (rpl1 != null)
{
this.axRenderControl1.ObjectManager.DeleteObject(rpl1.Guid);
}
if (rpl2 != null)
{
this.axRenderControl1.ObjectManager.DeleteObject(rpl2.Guid);
}
this.axRenderControl1.HighlightHelper.SetRegion(null);
if (EventSender == gviMouseSelectMode.gviMouseSelectClick)
{
IPickResult pr = PickResult;
if (pr == null)
{
return;
}
if (pr.Type == gviObjectType.gviObject3DTileLayer)
{
if (Mode == 1)
{
IPoint intersectPoint = IntersectPoint;
IRelationalOperator2D relation = intersectPoint as IRelationalOperator2D;
foreach (IFeatureClass fc in fcMap.Keys)
{
List <string> geoNames = fcMap[fc] as List <string>;
if (geoNames.Count == 0)
{
continue;
}
IFdeCursor cursor = null;
IRowBuffer row = null;
List <IRowBuffer> list = new List <IRowBuffer>();
try
{
ISpatialFilter filter = new SpatialFilter();
filter.Geometry = intersectPoint;
filter.SpatialRel = gviSpatialRel.gviSpatialRelEnvelope;
filter.GeometryField = "Geometry";
cursor = fc.Search(filter, false);
while ((row = cursor.NextRow()) != null)
{
list.Add(row);
}
//开始遍历
foreach (IRowBuffer r in list)
{
int geometryIndex = -1;
geometryIndex = r.FieldIndex(geoNames[0].ToString());
if (geometryIndex != -1)
{
IGeometry polygon = r.GetValue(geometryIndex) as IGeometry;
if (relation.Within2D(polygon))
{
this.axRenderControl1.HighlightHelper.SetRegion(polygon);
}
}
}
}
catch (System.Exception ex)
{
if (ex.GetType().Name.Equals("UnauthorizedAccessException"))
{
MessageBox.Show("需要标准runtime授权");
}
else
{
MessageBox.Show(ex.Message);
}
}
finally
{
if (cursor != null)
{
//System.Runtime.InteropServices.//Marshal.ReleaseComObject(cursor);
cursor = null;
}
}
if (Mask != gviModKeyMask.gviModKeyCtrl && Mask != gviModKeyMask.gviModKeyShift)
{
if (list.Count > 0)
{
break;
}
}
}
}
else if (Mode == 2)
{
this.axRenderControl1.Camera.GetCamera2(out cameraPoint, out cameraAngle);
IProximityOperator disOperator = cameraPoint as IProximityOperator;
double length = disOperator.Distance3D(IntersectPoint);
//向相机方向延伸n米:n跟眼睛到交点距离有关，当距离远时n大，当距离近时n小。
factor = length * 0.001;
IPoint aimingPoint = this.axRenderControl1.Camera.GetAimingPoint2(IntersectPoint, cameraAngle, factor);
IPoint sourcePoint = this.axRenderControl1.Camera.GetAimingPoint2(IntersectPoint, cameraAngle, -factor);
IPolyline intersetPolyline = geoFactory.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline;
intersetPolyline.SpatialCRS = _currentCRS;
intersetPolyline.AppendPoint(sourcePoint);
//瓦片焦点可能在ModelPoint内部，导致拾取不上。因此要向intersectPoint内外各拉一定距离。
//intersetPolyline.AppendPoint(IntersectPoint);
intersetPolyline.AppendPoint(aimingPoint);
ICurveSymbol cs = new CurveSymbol();
cs.Color = System.Drawing.Color.Yellow;
cs.Width = -5;
rpl1 = this.axRenderControl1.ObjectManager.CreateRenderPolyline(intersetPolyline, cs, rootId);
rpl1.Glow(-1);
//IPolyline intersetPolyline2 = geoFactory.CreateGeometry(gviGeometryType.gviGeometryPolyline, gviVertexAttribute.gviVertexAttributeZ) as IPolyline;
//intersetPolyline2.AppendPoint(cameraPoint);
//intersetPolyline2.AppendPoint(IntersectPoint);
//cs.Color = System.Drawing.Color.Yellow;
//rpl2 = this.axRenderControl1.ObjectManager.CreateRenderPolyline(intersetPolyline2, cs, rootId);
//rpl2.Glow(-1);
foreach (IFeatureClass fc in fcMap.Keys)
{
ISpatialFilter sp = new SpatialFilter();
sp.Geometry = intersetPolyline;
sp.SpatialRel = gviSpatialRel.gviSpatialRelIntersects;
sp.GeometryField = "Geometry";
IFdeCursor cursor = null;
try
{
cursor = fc.Search(sp, false);
IRowBuffer row = null;
while ((row = cursor.NextRow()) != null)
{
int index = row.FieldIndex("Geometry");
IModelPoint mp = row.GetValue(index) as IModelPoint;
//DrawEnvelope(mp.Envelope, mp.SpatialCRS, out rPolylinelist);
//rPolylinelistWhole.AddRange(rPolylinelist);
//创建RenderModelPoint，显示轮廓线
//IModelPointSymbol mps = new ModelPointSymbol();
//mps.Color = 0; //防止与瓦片同时显示时打架
//mps.EnableColor = true;
//mps.SetResourceDataSet(fc.FeatureDataSet);
//IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, mps, rootId);
//rmp.ShowOutline = true;
//modelpointList.Add(rmp);
//创建RenderModelPoint，禁止深度检测
IModelPointSymbol mps = new ModelPointSymbol();
mps.Color = System.Drawing.Color.Red;
mps.EnableColor = true;
mps.EnableTexture = false;
mps.SetResourceDataSet(fc.FeatureDataSet);
IRenderModelPoint rmp = this.axRenderControl1.ObjectManager.CreateRenderModelPoint(mp, mps, rootId);
rmp.DepthTestMode = gviDepthTestMode.gviDepthTestDisable; //防止与瓦片同时显示时打架
modelpointList.Add(rmp);
//创建TableLabel
if (fde_point == null)
{
fde_point = (new GeometryFactory()).CreatePoint(gviVertexAttribute.gviVertexAttributeZ);
}
fde_point.Position = mp.Position;
fde_point.SpatialCRS = mp.SpatialCRS;
tableLabelList.Add(DrawTableLabel(row, fde_point));
}
}
catch (COMException ex)
{
System.Diagnostics.Trace.WriteLine(ex.Message);
}
finally
{
if (cursor != null)
{
//System.Runtime.InteropServices.//Marshal.ReleaseComObject(cursor);
cursor = null;
}
}
}
}
}
}
}
