public void SelectByPolygon(int IndexOfLayer, RubberPolygonClass Polygon)
{
int ConstantNum = 255;
IActiveView CurrentView = axMapControl1.ActiveView;
IScreenDisplay MyScreenDispaly = CurrentView.ScreenDisplay;
MyScreenDispaly.StartDrawing(MyScreenDispaly.hDC, (System.Int16)esriScreenCache.esriNoScreenCache);
IRgbColor MYRGBCOLOR = new RgbColorClass();
MYRGBCOLOR.Red = ConstantNum;
IColor MyColor = MYRGBCOLOR;
ISimpleFillSymbol MySimpleFillPolygon = new SimpleFillSymbolClass();
MySimpleFillPolygon.Color = MyColor;
ISymbol MySymbol = MySimpleFillPolygon as ISymbol;
IRubberBand MyIRubberBand = Polygon;
IGeometry MyGeometry = MyIRubberBand.TrackNew(MyScreenDispaly, MySymbol);
MyScreenDispaly.SetSymbol(MySymbol);
MyScreenDispaly.DrawPolygon(MyGeometry);
MyScreenDispaly.FinishDrawing();
ISpatialFilter MyISpatialFilter = new SpatialFilterClass();
MyISpatialFilter.Geometry = MyGeometry;
MyISpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
IFeatureLayer SelectedLayer = axMapControl1.ActiveView.FocusMap.get_Layer(IndexOfLayer) as IFeatureLayer;
IFeatureSelection SelectedFeature = SelectedLayer as IFeatureSelection;
SelectedFeature.SelectFeatures(MyISpatialFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
ISelectionSet MyISelectionSet = SelectedFeature.SelectionSet;
axMapControl1.ActiveView.Refresh();
}
public void SelectByLine(int IndexOfLayer, RubberLineClass Line)
{
int ConstantNum = 255;
IActiveView CurrentView = axMapControl1.ActiveView;
IScreenDisplay CurScreenDisplay = CurrentView.ScreenDisplay;
CurScreenDisplay.StartDrawing(CurScreenDisplay.hDC, (System.Int16)esriScreenCache.esriNoScreenCache);
IRgbColor RGBCOLORS = new ESRI.ArcGIS.Display.RgbColorClass();
RGBCOLORS.Red = ConstantNum;
IColor MyColor = RGBCOLORS;
ISimpleFillSymbol MySimpleFillSymbol = new SimpleFillSymbolClass();
MySimpleFillSymbol.Color = MyColor;
ISymbol MySymbol = MySimpleFillSymbol as ISymbol;
IRubberBand MyIRubberBand = Line;
IGeometry MyGeometry = MyIRubberBand.TrackNew(CurScreenDisplay, MySymbol);
CurScreenDisplay.SetSymbol(MySymbol);
CurScreenDisplay.DrawPolygon(MyGeometry);
CurScreenDisplay.FinishDrawing();
ISpatialFilter MySpatialFilter = new SpatialFilterClass();
MySpatialFilter.Geometry = MyGeometry;
MySpatialFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
IFeatureLayer SelectedLayer = axMapControl1.ActiveView.FocusMap.get_Layer(IndexOfLayer) as IFeatureLayer;
IFeatureSelection SelectedFeatures = SelectedLayer as IFeatureSelection;
SelectedFeatures.SelectFeatures(MySpatialFilter, esriSelectionResultEnum.esriSelectionResultNew, false);
ISelectionSet FinalSelection = SelectedFeatures.SelectionSet;
axMapControl1.ActiveView.Refresh();
}
protected override void OnActivate()
{
//initialize variables.
docGeometry = null;
m_RubberBand = null;
base.OnActivate();
}
//绘制多边形
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
{
rubberBand = new RubberPolygonClass();
IGeometry polygon = rubberBand.TrackNew(this.m_pMapControl.ActiveView.ScreenDisplay, null);
if (polygon != null)
{
IFillShapeElement pElemFillShp;
ISimpleFillSymbol pSFSym;
IRgbColor pRGB;
IElement element = new PolygonElementClass();
element.Geometry = polygon;
pElemFillShp = (IFillShapeElement)element;
pRGB = new RgbColorClass();
pRGB.Red = 255;
pRGB.Green = 0;
pRGB.Blue = 0;
pSFSym = new SimpleFillSymbolClass();
Color color = ColorTranslator.FromHtml(SystemInfo.Instance.FillColor);
IColor pColor = new RgbColorClass();
pColor.RGB = color.B * 65536 + color.G * 256 + color.R;
pSFSym.Color = pColor;
pSFSym.Style = esriSimpleFillStyle.esriSFSSolid;
pElemFillShp.Symbol = pSFSym;
pGraphicsContainer = this.m_pMapControl.ActiveView as IGraphicsContainer;
pGraphicsContainer.AddElement(element, 0);
m_pActiveView.Refresh();
}
base.OnMouseDown(button, shift, x, y, mapX, mapY);
}
}
protected override void OnActivate()
{
//initialize variables.
docGeometry = null;
m_RubberBand = null;
base.OnActivate();
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
{
rubberBand = new RubberCircleClass();
IGeometry polygon = rubberBand.TrackNew(this.m_pMapControl.ActiveView.ScreenDisplay, null);
if (polygon != null)
{
AddCreateElement(polygon, this.m_pMapControl.ActiveView);
this.m_pMapControl.ActiveView.Refresh();
}
}
base.OnMouseDown(button, shift, x, y, mapX, mapY);
}
protected override void OnMouseDown(MouseEventArgs Args)//int Button, int Shift, int X, int Y)
{
m_RubberBand = new RubberRectangularPolygonClass();
if (Args.Button.ToString() == "Left") //left click
{
//create a new rubberband polygon.
docGeometry = m_RubberBand.TrackNew(ArcMap.Document.ActiveView.ScreenDisplay, null);
//zoom to the selected envelope as long as it is not zero.
if (!docGeometry.IsEmpty)
{
if (docGeometry.Envelope.Height != 0 && docGeometry.Envelope.Width != 0)
{
ArcMap.Document.ActiveView.Extent = docGeometry.Envelope;
//refresh to show changes.
ArcMap.Document.ActiveView.Refresh();
}
}
}
else if (Args.Button.ToString() == "Right") //right click
{
//zoom out either to previous extent, or to the full extent of the active view.
if (ArcMap.Document.ActiveView.ExtentStack.CanUndo())
{
//if we can, go to a previous zoom extent.
ArcMap.Document.ActiveView.ExtentStack.Undo();
ArcMap.Document.ActiveView.Refresh();
}
else
{
//or if no previous extents exist, go to the full extent of the active view.
ArcMap.Document.ActiveView.Extent = ArcMap.Document.ActiveView.FullExtent.Envelope;
ArcMap.Document.ActiveView.Refresh();
}
}
}
protected override void OnMouseDown(MouseEventArgs Args)//int Button, int Shift, int X, int Y)
{
m_RubberBand = new RubberRectangularPolygonClass();
if (Args.Button.ToString() == "Left") //left click
{
//create a new rubberband polygon.
docGeometry = m_RubberBand.TrackNew(ArcMap.Document.ActiveView.ScreenDisplay, null);
//zoom to the selected envelope as long as it is not zero.
if (!docGeometry.IsEmpty)
{
if (docGeometry.Envelope.Height != 0 && docGeometry.Envelope.Width != 0)
{
ArcMap.Document.ActiveView.Extent = docGeometry.Envelope;
//refresh to show changes.
ArcMap.Document.ActiveView.Refresh();
}
}
}
else if (Args.Button.ToString() == "Right") //right click
{
//zoom out either to previous extent, or to the full extent of the active view.
if (ArcMap.Document.ActiveView.ExtentStack.CanUndo())
{
//if we can, go to a previous zoom extent.
ArcMap.Document.ActiveView.ExtentStack.Undo();
ArcMap.Document.ActiveView.Refresh();
}
else
{
//or if no previous extents exist, go to the full extent of the active view.
ArcMap.Document.ActiveView.Extent = ArcMap.Document.ActiveView.FullExtent.Envelope;
ArcMap.Document.ActiveView.Refresh();
}
}
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
if (_uc.DrawShape == 1)
{
//rubberBand = new RubberCircleClass();
//IGeometry geo = rubberBand.TrackNew(this.m_ActiveView.ScreenDisplay, null);
DF2DApplication app = DF2DApplication.Application;
IGeometry geo = app.Current2DMapControl.TrackCircle();
if (geo != null)
{
AddCircleElement(geo, this.m_ActiveView);
this.m_ActiveView.Refresh();
m_Geo = geo;
}
}
else if (_uc.DrawShape == 2)
{
rubberBand = new RubberRectangularPolygonClass();
IGeometry geo = rubberBand.TrackNew(m_Display, null);
if (geo != null)
{
AddRectangleElement(geo, this.m_ActiveView);
this.m_ActiveView.Refresh();
m_Geo = geo;
}
}
else
{
rubberBand = new RubberPolygonClass();
IGeometry geo = rubberBand.TrackNew(m_Display, null);
if (geo != null)
{
AddPolygonElement(geo, this.m_ActiveView);
this.m_ActiveView.Refresh();
m_Geo = geo;
}
}
try
{
WaitForm.Start("正在分析...", "请稍后");
//h = _uc.H;
pFc = GetGCD();
h = GetH(m_Geo, pFc);
AddHField(pFc);
beforeGeo = GetBeforeGeo(pFc, m_Geo);
if (beforeGeo == null)
{
WaitForm.Stop(); _gc.DeleteAllElements(); return;
}
afterGeo = GetAfterGeo(pFc, m_Geo);
if (afterGeo == null)
{
WaitForm.Stop(); _gc.DeleteAllElements(); return;
}
SurfaceProcess(beforeGeo, afterGeo);
WaitForm.Stop();
this._uc.SurfaceArea = "地表面积：" + surfaceArea;
this._uc.ProjectArea = "投影面积：" + projectArea;
this._uc.Dig = "挖方量：" + dig;
this._uc.Fill = "填方量：" + fill;
}
catch (System.Exception ex)
{
WaitForm.Stop();
}
}
/// <summary>
/// 屏幕上绘画几何形状
/// </summary>
/// <param name="screenDisplay">ESRI屏幕显示接口</param>
/// <param name="geomType">几何形状类型的枚举类</param>
/// <returns>ESRI几何形状接口</returns>
public static IGeometry ScreenTrackGeometry(IScreenDisplay screenDisplay, DsGeometryType geomType)
{
IGeometry trackGeom = null;
if (screenDisplay != null)
{
IRubberBand rubberBand = null;
switch (geomType)
{
case DsGeometryType.dsGTPoint:
rubberBand = new RubberPoint();
break;
case DsGeometryType.dsGTLine:
rubberBand = new RubberLine();
break;
case DsGeometryType.dsGTPolyline:
rubberBand = new RubberLine();
break;
case DsGeometryType.dsGTRectangle:
rubberBand = new RubberEnvelope();
break;
case DsGeometryType.dsGTCircle:
rubberBand = new RubberCircle();
break;
case DsGeometryType.dsGTEllipse:
rubberBand = new RubberEnvelope();
break;
case DsGeometryType.dsGTPolygon:
rubberBand = new RubberPolygon();
break;
case DsGeometryType.dsGTRectangularPolygon:
rubberBand = new RubberRectangularPolygon();
break;
default:
break;
}
if (rubberBand != null)
{
trackGeom = rubberBand.TrackNew(screenDisplay, null);
}
if (geomType == DsGeometryType.dsGTEllipse)
{
trackGeom = ConvertEnvelopeToEllipticArc(trackGeom);
}
else if ((geomType == DsGeometryType.dsGTLine) ||
(geomType == DsGeometryType.dsGTPolyline) ||
(geomType == DsGeometryType.dsGTPolygon))
{
if (trackGeom is ITopologicalOperator)
{
(trackGeom as ITopologicalOperator).Simplify();
}
}
}
return(trackGeom);
}
