public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
IPolygon pPoly;
IEnvelope env = m_pMapControl.TrackRectangle() as ESRI.ArcGIS.Geometry.IEnvelope;
pPoly = new PolygonClass();
ESRI.ArcGIS.Geometry.IPointCollection pc = pPoly as ESRI.ArcGIS.Geometry.IPointCollection;
object missing = Type.Missing;
pc.AddPoint(env.UpperLeft, ref missing, ref missing);
pc.AddPoint(env.UpperRight, ref missing, ref missing);
pc.AddPoint(env.LowerRight, ref missing, ref missing);
pc.AddPoint(env.LowerLeft, ref missing, ref missing);
IFeatureLayer pFeaLayer;
// IRubberBand pRubberPoly = new RubberPolygonClass();
// pPoly = (IPolygon)pRubberPoly.TrackNew(m_Display, null);
//遍历图层，查找选择框内的点要素，并标注
for (int i = 0; i < m_arrPntLayer.Count; i++)
{
pFeaLayer = m_arrPntLayer[i] as IFeatureLayer;
ArrayList features = PublicFunction.SearchFeature(pFeaLayer.FeatureClass, pPoly, esriSpatialRelEnum.esriSpatialRelContains, false);
for (int j = 0; j < features.Count; j++)
{
LabelPointFeature(features[j] as IFeature);
}
}
this.m_pMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
private void QueryBoundsFromGeom(int hDC, ref ESRI.ArcGIS.Display.IDisplayTransformation transform, ref ESRI.ArcGIS.Geometry.IPolygon boundary, ref ESRI.ArcGIS.Geometry.IPoint point)
{
// Calculate Size, XOffset and YOffset of the shape in Map units.
double dMapXOffset = 0;
double dMapSize = 0;
double dMapYOffset = 0;
dMapSize = PointsToMap(transform, m_dSize);
if (m_dXOffset != 0)
dMapXOffset = PointsToMap(transform, m_dXOffset);
if (m_dYOffset != 0)
dMapYOffset = PointsToMap(transform, m_dYOffset);
point.PutCoords(point.X + dMapXOffset, point.Y + dMapYOffset);
// Set up the device ratio.
SetupDeviceRatio(hDC, transform);
ESRI.ArcGIS.Geometry.IPointCollection ptColl = null;
ESRI.ArcGIS.Geometry.ISegmentCollection segColl = null;
double dVal = 0; // dVal is the measurement of the short side of a Triangles are based on.
double dRad = 0;
ptColl = (IPointCollection)boundary;
segColl = (ISegmentCollection)boundary;
dRad = dMapSize / 2;
dVal = System.Math.Sqrt((dRad * dRad) / 2);
object missing = System.Reflection.Missing.Value;
ptColl.AddPoint(Utility.CreatePoint(point.X + dVal, point.Y - dVal), ref missing, ref missing);
ptColl.AddPoint(Utility.CreatePoint(point.X - dVal, point.Y - dVal), ref missing, ref missing);
ptColl.AddPoint(Utility.CreatePoint(point.X - dVal, point.Y + dVal), ref missing, ref missing);
IPoint p = ptColl.get_Point(0);
segColl.AddSegment((ISegment)Utility.CreateCircArc(point, ptColl.get_Point(2), ref p), ref missing, ref missing);
// Account for rotation also.
ESRI.ArcGIS.Geometry.ITransform2D trans2D = null;
if ((m_dAngle + m_dMapRotation) != 0)
{
trans2D = boundary as ITransform2D;
trans2D.Rotate(point, Utility.Radians(m_dAngle + m_dMapRotation));
}
}
/// <summary>
/// 获取点击地图上的点
/// </summary>
/// <param name="Button"></param>
/// <param name="Shift"></param>
/// <param name="X"></param>
/// <param name="Y"></param>
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
try
{
ESRI.ArcGIS.Geometry.IPoint pMapPoint = new ESRI.ArcGIS.Geometry.PointClass();;
ISceneGraph pSceneGraph = m_sceneHookHelper.SceneGraph;
object pOwner;
object pObject;
object before = Type.Missing;
object after = Type.Missing;
object StepSize = Type.Missing;
IDisplay3D pDisplay;
pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pMapPoint, out pOwner, out pObject); //获取鼠标点击的位置并转化为地理坐标
if (pMapPoint == null)
{
return;
}
pMapPoint.Z = pMapPoint.Z / m_sceneHookHelper.Scene.ExaggerationFactor;
pMapPoint.Z = m_psurface.GetElevation(pMapPoint);
pMapPoint.SpatialReference = pSceneGraph.Scene.SpatialReference;
pDisplay = m_sceneHookHelper.SceneGraph as IDisplay3D;
pDisplay.FlashLocation(pMapPoint);//闪烁显示被点击的位置
IGeometry pGeom = null;
Cls3DMarkDraw.DeleteAllElementsWithName(m_sceneHookHelper.Scene, sPolyOutlineName);
//根据绘制对象类型的不同定义不同的类型
switch (m_DrawType.ToString())
{
case "esriGeometryPoint":
m_Geometry = pMapPoint;
break;
case "esriGeometryLine":
if (m_pPointColl == null)
{
m_pPointColl = new PolylineClass();
pGeom = new PolylineClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
case "esriGeometryPolygon":
if (m_pPointColl == null)
{
m_pPointColl = new PolygonClass();
pGeom = new PolygonClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
}
//BeginDrawed(true);
IGroupElement pGroup = null;
if (m_pPointColl.PointCount == 1)
{
//当为一个点时绘制点
Cls3DMarkDraw.AddSimpleGraphic(pMapPoint, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
}
else if (m_DrawType.ToString() == "esriGeometryLine")
{
pGeom = m_pPointColl as IGeometry;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
m_pPointColl = pGeom as IPointCollection;
}
else
{
ITopologicalOperator pTopo = m_pPointColl as ITopologicalOperator;
pGeom = pTopo.Boundary;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
Cls3DMarkDraw.AddSimpleGraphic(pGeom, Cls3DMarkDraw.getRGB(71, 61, 255), 4, sPolyOutlineName, m_sceneHookHelper.Scene, pGroup);
}
m_sceneHookHelper.SceneGraph.RefreshViewers();
}
catch
{
return;
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
try
{
ESRI.ArcGIS.Geometry.IPoint pMapPoint = new ESRI.ArcGIS.Geometry.PointClass();;
object before = Type.Missing;
object after = Type.Missing;
object StepSize = Type.Missing;
m_hookHelper.FocusMap.SpatialReference = m_psurface.Domain.SpatialReference;
pMapPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
if (pMapPoint == null)
{
return;
}
pMapPoint.Project(m_psurface.Domain.SpatialReference);
pMapPoint.Z = m_psurface.GetElevation(pMapPoint);
//pMapPoint.SpatialReference = m_hookHelper.FocusMap.SpatialReference;
//pDisplay = m_sceneHookHelper.SceneGraph as IDisplay3D;
//pDisplay.FlashLocation(pMapPoint);//闪烁显示被点击的位置
IGeometry pGeom = null;
ClsMarkDraw.DeleteAllElementsWithName(m_hookHelper.FocusMap, sPolyOutlineName);
//根据绘制对象类型的不同定义不同的类型
switch (m_DrawType.ToString())
{
case "esriGeometryPoint":
m_Geometry = pMapPoint;
break;
case "esriGeometryLine":
if (m_pPointColl == null)
{
m_pPointColl = new PolylineClass();
pGeom = new PolylineClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
case "esriGeometryPolygon":
if (m_pPointColl == null)
{
m_pPointColl = new PolygonClass();
pGeom = new PolygonClass();
}
m_pPointColl.AddPoint(pMapPoint, ref before, ref after);
break;
}
//BeginDrawed(true);
IGroupElement pGroup = null;
if (m_pPointColl.PointCount == 1)
{
//当为一个点时绘制点
ClsMarkDraw.AddSimpleGraphic(pMapPoint, ClsMarkDraw.getRGB(71, 61, 255), 3, sPolyOutlineName, m_hookHelper.FocusMap, pGroup);
}
else if (m_DrawType.ToString() == "esriGeometryLine")
{
pGeom = m_pPointColl as IGeometry;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
ClsMarkDraw.AddSimpleGraphic(pGeom, ClsMarkDraw.getRGB(71, 61, 255), 2, sPolyOutlineName, m_hookHelper.FocusMap, pGroup);
m_pPointColl = pGeom as IPointCollection;
}
else
{
ITopologicalOperator pTopo = m_pPointColl as ITopologicalOperator;
pGeom = pTopo.Boundary;
pGeom.SpatialReference = pMapPoint.SpatialReference;
m_psurface.InterpolateShape(pGeom, out pGeom, ref StepSize);
ClsMarkDraw.AddSimpleGraphic(pGeom, ClsMarkDraw.getRGB(71, 61, 255), 2, sPolyOutlineName, m_hookHelper.FocusMap, pGroup);
}
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
catch
{
return;
}
}