//在鹰眼地图上面画矩形框
public static void DrawRectangle(IEnvelope pIEnvelope)
{
//在绘制前，清除鹰眼中之前绘制的矩形框
IGraphicsContainer pGraphicsContainer = Variable.pEagleEyeMapFrm.EagelEyeMapControl.Map as IGraphicsContainer;
IActiveView pActiveView = pGraphicsContainer as IActiveView;
pGraphicsContainer.DeleteAllElements();
//得到当前视图范围
IRectangleElement pRectangleElement = new RectangleElementClass();
IElement pElement = pRectangleElement as IElement;
pElement.Geometry = pIEnvelope;
//设置矩阵框（实质为中间透明度面）
IRgbColor pRgbColor = new RgbColorClass();
pRgbColor = GetRgbColor(255, 0, 0);
pRgbColor.Transparency = 255;
ILineSymbol pOutLine = new SimpleLineSymbolClass();
pOutLine.Width = 2; pOutLine.Color = pRgbColor;
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pRgbColor = new RgbColorClass();
pRgbColor.Transparency = 0;
pFillSymbol.Color = pRgbColor;
pFillSymbol.Outline = pOutLine;
//向鹰眼中添加矩形框
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeElement, 0);
//刷新
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public static IElement CreatePolygonElement(IActiveView pActiveView, IGeometry pGeo)
{
Random rnd = new Random();
IRgbColor color = new RgbColorClass();
color.Blue = rnd.Next(0, 255);
color.Green = rnd.Next(0, 255);
color.Red = rnd.Next(0, 255);
IColor color2 = color;
ISimpleLineSymbol symbol = new SimpleLineSymbolClass();
symbol.Style = esriSimpleLineStyle.esriSLSSolid;
symbol.Color = color2;
symbol.Width = 2.0;
ISimpleFillSymbol symbol2 = new SimpleFillSymbolClass();
symbol2.Style = esriSimpleFillStyle.esriSFSBackwardDiagonal;
IRgbColor color3 = new RgbColorClass();
color.Blue = rnd.Next(0, 255);
color.Green = rnd.Next(0, 255);
color.Red = rnd.Next(0, 255);
symbol2.Color = color3;
symbol2.Outline = symbol;
pGeo = ErrManager.ConvertPoject(pGeo, pActiveView.FocusMap.SpatialReference);
ISimpleFillSymbol symbol3 = symbol2;
IElement element = new PolygonElementClass();
element.Geometry = pGeo;
IFillShapeElement element2 = element as IFillShapeElement;
element2.Symbol = symbol3;
return(element);
}
/// <summary>
/// 当主图视野发生变化时，重新绘制鸟瞰图中的红色矩形框
/// </summary>
private void axMapControl1_OnExtentUpdated(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnExtentUpdatedEvent e)
{
// 得到新范围
IEnvelope pEnvelope = (IEnvelope)e.newEnvelope;
IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer;
IActiveView pActiveView = pGraphicsContainer as IActiveView;
//在绘制前，清除axMapControl2中的任何图形元素
pGraphicsContainer.DeleteAllElements();
IRectangleElement pRectangleEle = new RectangleElementClass();
IElement pElement = pRectangleEle as IElement;
pElement.Geometry = pEnvelope;
//设置鹰眼图中的红线框
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255; pColor.Green = 0; pColor.Blue = 0; pColor.Transparency = 255;
//产生一个线符号对象
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 3; pOutline.Color = pColor;
//设置颜色属性
pColor = new RgbColorClass();
pColor.Red = 255; pColor.Green = 0; pColor.Blue = 0; pColor.Transparency = 0;
//设置填充符号的属性
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor; pFillSymbol.Outline = pOutline;
IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
pFillShapeEle.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);//部分刷新
}
public static IElement CreateElement(IGeometry pGeometry, IRgbColor linecolor, IRgbColor fillcolor)
{
if (pGeometry == null || linecolor == null || fillcolor == null)
{
return(null);
}
IElement pEle = null;
if (pGeometry == null)
{
return(null);
}
//限制只能创建面要素
pEle = new PolygonElementClass();
pEle.Geometry = pGeometry;
IFillShapeElement pFillEle = pEle as IFillShapeElement;
ISimpleFillSymbol symbol = new SimpleFillSymbolClass();
symbol.Color = fillcolor;
symbol.Outline.Color = linecolor;
symbol.Style = esriSimpleFillStyle.esriSFSBackwardDiagonal;
if (symbol == null)
{
return(null);
}
pFillEle.Symbol = symbol;
return(pEle);
}
/// <summary>
/// 使用面要素刷新(存在覆盖注释问题)
/// </summary>
/// <param name="pGraphicsContainer"></param>
/// <param name="pActiveView"></param>
/// <param name="pElement"></param>
private static void DrawPolyline2(IGraphicsContainer pGraphicsContainer, IActiveView pActiveView, IElement pElement)
{
//以下代码设置要素外框边线的颜色、透明度属性
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 255;
//以下代码设置要素外框边线的颜色、宽度属性
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 2;
pOutline.Color = pColor;
pColor = new RgbColorClass();
pColor.NullColor = true;
//以下代码设置要素内部的填充颜色、边线符号属性
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
//实现线框的生成
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeElement, 0);
//刷新鹰眼视图的填充要素（绘图框）
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, pFillShapeElement, null);
}
private void AddPolygonElement(IGeometry geo, IActiveView pAV)
{
IElement pElem = new PolygonElement();
pElem.Geometry = geo;
ISimpleFillSymbol pSFSym = new SimpleFillSymbol();
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.esriSFSDiagonalCross;
ISimpleLineSymbol pSLSym = new SimpleLineSymbol();
pSLSym.Style = esriSimpleLineStyle.esriSLSSolid;
pSLSym.Width = 1;
pSLSym.Color = pColor;
pSFSym.Outline = pSLSym;
IFillShapeElement pElemFillShp = pElem as IFillShapeElement;
pElemFillShp.Symbol = pSFSym;
pGraphicsContainer = pAV as IGraphicsContainer;
pGraphicsContainer.AddElement(pElem, 0);
}
private IElement method_1()
{
object missing = System.Type.Missing;
IPointCollection points = null;
IElement element = new PolygonElementClass();
IFillShapeElement element2 = element as IFillShapeElement;
new RgbColorClass();
IGeometry inGeometry = new RingClass();
IGeometry geometry2 = null;
IGeometryCollection geometrys = new PolygonClass();
IGeometry geometry3 = null;
points = (IPointCollection)inGeometry;
points.AddPoint(base.LeftLow, ref missing, ref missing);
points.AddPoint(base.RightLow, ref missing, ref missing);
points.AddPoint(base.RightUp, ref missing, ref missing);
points.AddPoint(base.LeftUp, ref missing, ref missing);
points.AddPoint(base.LeftLow, ref missing, ref missing);
geometry2 = this.method_2();
if (!geometry2.IsEmpty)
{
geometrys.AddGeometry(inGeometry, ref missing, ref missing);
geometrys.AddGeometry(geometry2, ref missing, ref missing);
}
geometry3 = geometrys as IGeometry;
if (!geometry3.IsEmpty)
{
geometry3.SpatialReference = geometry2.SpatialReference;
element.Geometry = geometry3;
element2.Symbol = this.method_7();
}
return(element);
}
/// <summary>
/// 单击颜色单元格选颜色
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void SC_dataGridView_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.ColumnIndex == SC_dataGridView.Columns["color"].Index && e.RowIndex != -1)
{
SC_dataGridView.ClearSelection();
ColorDialog cd = new ColorDialog();
if (cd.ShowDialog() == DialogResult.OK)
{
SC_dataGridView.Rows[e.RowIndex].Cells["color"].Style.BackColor = cd.Color;
//根据选中颜色新建绘制图形的填充符号
IRgbColor arccolor = new RgbColorClass();
arccolor.RGB = cd.Color.B * 65536 + cd.Color.G * 256 + cd.Color.R;
ILineSymbol outline = new SimpleLineSymbolClass();
outline.Width = 3;
outline.Color = arccolor;
IFillSymbol fillsymbol = new SimpleFillSymbolClass();
ISimpleFillSymbol pFillsyl = fillsymbol as ISimpleFillSymbol;
pFillsyl.Style = esriSimpleFillStyle.esriSFSNull;
fillsymbol.Outline = outline;
IPolygonElement PolygonElement = new PolygonElementClass();
IElement pElement = PolygonElement as IElement;
pElement.Geometry = SC_dataGridView.Rows[e.RowIndex].Cells["color"].Tag as IGeometry;
IFillShapeElement FillShapeElement = pElement as IFillShapeElement;
FillShapeElement.Symbol = fillsymbol;
IGraphicsContainer pGraphicsContainer = main.getMapControl().Map as IGraphicsContainer;
pGraphicsContainer.AddElement((IElement)PolygonElement, 0);
main.getMapControl().ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
}
private void frmOverwindows_Load(object sender, EventArgs e)
{
this.axMapControl1.ShowScrollbars = false;
this.m_pElement = new RectangleElementClass();
this.m_pFillSymbol = new SimpleFillSymbolClass();
((ISimpleFillSymbol)this.m_pFillSymbol).Style = esriSimpleFillStyle.esriSFSNull;
ILineSymbol symbol = new SimpleLineSymbolClass();
IRgbColor color = new RgbColorClass
{
Red = 0,
Green = 0,
Blue = 255
};
symbol.Color = color;
symbol.Width = 1.0;
this.m_pFillSymbol.Outline = symbol;
IFillShapeElement pElement = this.m_pElement as IFillShapeElement;
pElement.Symbol = this.m_pFillSymbol;
this.axMapControl1.ActiveView.GraphicsContainer.AddElement(this.m_pElement, 0);
this.m_CanDo = true;
this.SetMainAvtiveView(this.m_pMainMapControl.ActiveView);
this.Init();
}
//主地图：地图范围（Extent）变化
private void axMapControlMainMap_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
#region 主地图地图范围Extent变化时，鹰眼中的地图范围Extent也跟随着变化
IEnvelope envelope = (IEnvelope)e.newEnvelope; //得到主地图的新范围
IGraphicsContainer graphicsContainer = axMapControlEagleMap.Map as IGraphicsContainer;
IActiveView activeView = graphicsContainer as IActiveView;
graphicsContainer.DeleteAllElements(); //在绘制前，清除axMapControlEagleMap中的任何图形元素
IRectangleElement rectangleElement = new RectangleElement() as IRectangleElement;
IElement element = rectangleElement as IElement;
element.Geometry = envelope;
//产生一个线符号对象,设置鹰眼中的红线框
ILineSymbol lineSymbol = new SimpleLineSymbol();
lineSymbol.Width = 1.6;
lineSymbol.Color = RenderOpt.GetIColor(255, 0, 0);
//设置填充符号的属性
IFillSymbol fillSymbol = new SimpleFillSymbol();
fillSymbol.Color = RenderOpt.GetIColor(255, 0, 0, 0);
fillSymbol.Outline = lineSymbol;
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = fillSymbol;
graphicsContainer.AddElement((IElement)fillShapeElement, 0);
//刷新
envelope.Expand(2, 2, true);
activeView.Extent = envelope;
activeView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
#endregion
}
private void method_9(IActiveView pView, IPoint point, double num, bool flag, IRgbColor color)
{
this.method_8(point, num, flag);
ISegmentCollection segmentCollection = new Polygon() as ISegmentCollection;
ICircularArc circularArc = this.method_8(point, num, flag);
object missing = Type.Missing;
segmentCollection.AddSegment(circularArc as ISegment, ref missing, ref missing);
ICircleElement circleElement = new CircleElement() as ICircleElement;
IElement element = (IElement)circleElement;
element.Geometry = (segmentCollection as IGeometry);
IFillShapeElement fillShapeElement = (IFillShapeElement)circleElement;
ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbol();
ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbol();
simpleLineSymbol.Color = (color);
simpleLineSymbol.Width = (2.0);
simpleLineSymbol.Style = (0);
simpleFillSymbol.Color = (color);
simpleFillSymbol.Style = (esriSimpleFillStyle)(1);
simpleFillSymbol.Outline = (simpleLineSymbol);
fillShapeElement.Symbol = (simpleFillSymbol);
IGraphicsContainer graphicsContainer = (IGraphicsContainer)pView;
graphicsContainer.AddElement((IElement)circleElement, 0);
}
/////////////////////////////////////////
private void axMapControl_sub_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
//实现鹰眼的方框的 symbol 部分
ILineSymbol outLineSymbol = new SimpleLineSymbol(); //设置鹰眼图中的红线！
outLineSymbol.Width = 2;
outLineSymbol.Color = GetColor(255, 0, 0, 255);
IFillSymbol fillSymbol = new SimpleFillSymbol(); //设置填充符号的属性！
fillSymbol.Color = GetColor(255, 0, 0, 0); //设置完全透明色
fillSymbol.Outline = outLineSymbol;
//实现信息传递
IEnvelope envlope2 = e.newEnvelope as IEnvelope;
IElement element2 = new RectangleElement();
element2.Geometry = envlope2;
IFillShapeElement fillShapeElement2 = element2 as IFillShapeElement;
fillShapeElement2.Symbol = fillSymbol;
IGraphicsContainer graphicsContainer2 = axMapControl_sub.Map as IGraphicsContainer;
graphicsContainer2.DeleteAllElements();
IElement pElement = fillShapeElement2 as IElement;
graphicsContainer2.AddElement(pElement, 0);
axMapControl_sub.Refresh(esriViewDrawPhase.esriViewGeography, null, null);
}
/// <summary>
/// 三维场景中绘制面要素 20110609
/// </summary>
/// <param name="pGeometry">面要素</param>
/// <param name="r"></param>
/// <param name="g"></param>
/// <param name="b"></param>
/// <param name="Z"></param>
/// <param name="Width"></param>
/// <returns></returns>
public static IElement DrawPolygonZ(IGeometry pGeometry, int r, int g, int b, int Z, double Width)
{
IPolygon pEnvPolygon = (IPolygon)pGeometry;
IZAware pZAware = (IZAware)pEnvPolygon;
((IZAware)pZAware).ZAware = true;
IZ pZ = (IZ)pEnvPolygon;
pZ.SetConstantZ(Z);
IElement pElement;
IPolygonElement pPolygonElement = new PolygonElementClass();
pElement = pPolygonElement as IElement;
IFillShapeElement pFillShapeElement = pPolygonElement as IFillShapeElement;
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSCross;
pSimpleFillSymbol.Color = getRGB(r, g, b);
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDashDotDot;
pSimpleLineSymbol.Color = getRGB(r, g, b);
pSimpleLineSymbol.Color.Transparency = 10;
pSimpleLineSymbol.Width = Width;
ISymbol pSymbol = pSimpleLineSymbol as ISymbol;
pSymbol.ROP2 = esriRasterOpCode.esriROPNotXOrPen;
pSimpleFillSymbol.Outline = pSimpleLineSymbol;
pElement.Geometry = pZ as IGeometry;
pFillShapeElement.Symbol = pSimpleFillSymbol;
return(pElement);
}
/// <summary>
/// 主窗体视图范围变化
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void axMapControl1_OnExtentUpdated(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnExtentUpdatedEvent e)
{
//获得当前地图视图的外包矩形
IEnvelope pEnvelope = (IEnvelope)e.newEnvelope;
//获得GraphicsContainer对象用来管理元素对象
IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer;
//清除对象中的所有图形元素
pGraphicsContainer.DeleteAllElements();
//获得矩形图形元素
IRectangleElement pRectangleEle = new RectangleElementClass();
IElement pElement = pRectangleEle as IElement;
pElement.Geometry = pEnvelope;
//设置FillShapeElement对象的symbol
IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
pFillShapeEle.Symbol = this.Presenter.getFillSymbol();
//进行填充
pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);
//刷新视图
IActiveView pActiveView = pGraphicsContainer as IActiveView;
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
public void AddRegion(AxMapControl axMapControl1, IGeometry GeomArea)
{
IPolygonElement ipPolygonElem = new PolygonElementClass();
ILineSymbol ipLine = new SimpleLineSymbolClass();
ipLine.Width = 1;
IRgbColor ipColor = new RgbColorClass();
ipColor.RGB = 0x0000ff;
ipLine.Color = ipColor;
ISimpleFillSymbol ipFillSym = new SimpleFillSymbolClass();
IRgbColor ipColorFill = new RgbColorClass();
ipColorFill.RGB = 0xff0000;
ipFillSym.Outline = ipLine;
ipFillSym.Color = ipColorFill;
ipFillSym.Style = esriSimpleFillStyle.esriSFSCross;
IFillShapeElement ipShape = ipPolygonElem as IFillShapeElement;
ipShape.Symbol = ipFillSym;
IElement ipElement = ipPolygonElem as IElement;
ipElement.Geometry = GeomArea;
axMapControl1.ActiveView.GraphicsContainer.AddElement(ipElement, 0);
axMapControl1.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, ipElement, null);
}
private void DrawRectangle(IEnvelope pEnvelope)
{
IGraphicsContainer pGraphicsContainer = axMapControl2.Map as IGraphicsContainer;
IActiveView pActiveView = pGraphicsContainer as IActiveView;
pGraphicsContainer.DeleteAllElements();
IRectangleElement pRectangleElement = new RectangleElementClass();
IElement pElement = pRectangleElement as IElement;
pElement.Geometry = pEnvelope;
IRgbColor pRgbColor = new RgbColorClass();
pRgbColor.Red = 255;
pRgbColor.Blue = 0;
pRgbColor.Green = 0;
pRgbColor.Transparency = 255;
ILineSymbol pLineSymbol = new SimpleLineSymbolClass();
pLineSymbol.Width = 3;
pLineSymbol.Color = pRgbColor;
pRgbColor.Red = 255;
pRgbColor.Blue = 0;
pRgbColor.Green = 0;
pRgbColor.Transparency = 0;
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Outline = pLineSymbol;
pFillSymbol.Color = pRgbColor;
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeElement, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void mainMapControl_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
IEnvelope pEnvelope = e.newEnvelope as IEnvelope;
ISimpleLineSymbol pSimpleLineSymbol = new SimpleLineSymbolClass();
pSimpleLineSymbol.Style = esriSimpleLineStyle.esriSLSDash;
pSimpleLineSymbol.Width = 2;
pSimpleLineSymbol.Color = this.getRGBColor(0, 0, 0);
ISimpleFillSymbol pSimpleFillSymbol = new SimpleFillSymbolClass();
pSimpleFillSymbol.Color = this.getRGBColor(255, 0, 0);
pSimpleFillSymbol.Outline = pSimpleLineSymbol as ILineSymbol;
pSimpleFillSymbol.Style = esriSimpleFillStyle.esriSFSHollow;
IRectangleElement pRectangleElement = new RectangleElementClass();
IElement pElement = pRectangleElement as IElement;
pElement.Geometry = pEnvelope as IGeometry;
IFillShapeElement pFillShapeElement = pRectangleElement as IFillShapeElement;
pFillShapeElement.Symbol = pSimpleFillSymbol as IFillSymbol;
IGraphicsContainer pGraphicsContainer = this.EagleaxMapControl.Map as IGraphicsContainer;
pGraphicsContainer.DeleteAllElements();
pGraphicsContainer.AddElement(pElement, 0);
this.EagleaxMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void DrawEagleExtent(IEnvelope myEnvelope)
{
if (EnviVars.instance.EagleVisible)
{
this._mapControlEagle.ActiveView.GraphicsContainer.DeleteAllElements();
IRectangleElement rectangleElement = new RectangleElementClass();
IElement element = rectangleElement as IElement;
element.Geometry = myEnvelope;
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = 255;
rgbColor.Green = 0;
rgbColor.Blue = 0;
ILineSymbol lineSymbol = new SimpleLineSymbolClass();
lineSymbol.Color = rgbColor;
lineSymbol.Width = 1.5;
IRgbColor rgbColor2 = new RgbColorClass();
rgbColor2.Transparency = 0;
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
fillSymbol.Color = rgbColor2;
fillSymbol.Outline = lineSymbol;
IFillShapeElement fillShapeElement = rectangleElement as IFillShapeElement;
fillShapeElement.Symbol = fillSymbol;
this._mapControlEagle.ActiveView.GraphicsContainer.AddElement(element, 0);
this._mapControlEagle.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
}
/// <summary>
/// 根据mapcontrol绘制的多边形在样本表格中生成样本
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void BegineCreateSample(IGeometry SampleGeometry)
{
IPolygon polygon = (IPolygon)SampleGeometry;
if (SampleLayerCombox.Tag != null)
{
//计算像元数
IArea area = polygon as IArea;
IGeoDataset geodataset = SampleLayerCombox.Tag as IGeoDataset;
IRaster raster = geodataset as IRaster;
IRasterProps rasterprops = raster as IRasterProps;
double pixelcount = System.Math.Abs(area.Area) / (rasterprops.MeanCellSize().X *rasterprops.MeanCellSize().Y);
//生成表格
if (SC_dataGridView.ColumnCount == 0)
{
SC_dataGridView.Columns.Add("ID", "ID");
SC_dataGridView.Columns.Add("name", "样本名称");
SC_dataGridView.Columns.Add("value", "样本值");
SC_dataGridView.Columns.Add("color", "样本颜色");
SC_dataGridView.Columns.Add("count", "像元数（近似值）");
}
SC_dataGridView.Rows.Add();
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["ID"].Value = SC_dataGridView.Rows.Count;
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["name"].Value = "样本" + (SC_dataGridView.Rows.Count).ToString();
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["value"].Value = (SC_dataGridView.Rows.Count).ToString();
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["count"].Value = Convert.ToInt32(pixelcount) + 1;
//生成随机色
Random random = new Random();
Color linecolor = new Color();
linecolor = Color.FromArgb(random.Next(0, 255), random.Next(0, 255), random.Next(0, 255));
//填充单元格颜色
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["color"].Style.BackColor = linecolor;
//将polygon存放到gridview表color列对应的tag中
SC_dataGridView.Rows[SC_dataGridView.Rows.Count - 1].Cells["color"].Tag = polygon;
//新建绘制图形的填充符号
IRgbColor arccolor = new RgbColorClass();
arccolor.RGB = linecolor.B * 65536 + linecolor.G * 256 + linecolor.R;
ILineSymbol outline = new SimpleLineSymbolClass();
outline.Width = 3;
outline.Color = arccolor;
IFillSymbol fillsymbol = new SimpleFillSymbolClass();
ISimpleFillSymbol pFillsyl = fillsymbol as ISimpleFillSymbol;
pFillsyl.Style = esriSimpleFillStyle.esriSFSNull;
fillsymbol.Outline = outline;
IPolygonElement PolygonElement = new PolygonElementClass();
IElement pElement = PolygonElement as IElement;
pElement.Geometry = SampleGeometry;
IFillShapeElement FillShapeElement = pElement as IFillShapeElement;
FillShapeElement.Symbol = fillsymbol;
IGraphicsContainer pGraphicsContainer = main.getMapControl().Map as IGraphicsContainer;
pGraphicsContainer.AddElement((IElement)PolygonElement, 0);
main.getMapControl().ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
}
}
/// <summary>
/// 根据输入的要素在SceneControl中绘制元素 张琪 20110621
/// </summary>
/// <param name="pSceneControl"></param>
/// <param name="pGeom">几何要素</param>
/// <param name="pSym"></param>
public void AddGraphic(ISceneControl pSceneControl, IGeometry pGeom, ISymbol pSym)
{
if (pGeom == null)
{
return;
}
IElement pElement = null;
switch (pGeom.GeometryType.ToString())
{
case "esriGeometryPoint": //点要素
pElement = new MarkerElementClass();
IMarkerElement pPointElement = pElement as IMarkerElement;
if (pSym != null)
{
IMarkerSymbol pMarker3DSymbol = pSym as IMarkerSymbol;
pPointElement.Symbol = pMarker3DSymbol as IMarkerSymbol;
}
break;
case "esriGeometryPolyline": //线要素
pElement = new LineElementClass();
ILineElement pLineElement = pElement as ILineElement;
if (pSym != null)
{
ILineSymbol pLineSymbol = pSym as ILineSymbol;
pLineElement.Symbol = pLineSymbol;
}
break;
case "esriGeometryPolygon": //面要素
pElement = new PolygonElementClass();
IFillShapeElement pFillElement = pElement as IFillShapeElement;
if (pSym != null)
{
IFillSymbol pFillSymbol = pSym as IFillSymbol;
pFillElement.Symbol = pFillSymbol;
}
break;
case "esriGeometryMultiPatch": //多面体要素
pElement = new MultiPatchElementClass();
IFillShapeElement pMultiPatchElement = pElement as IFillShapeElement;
if (pSym != null)
{
IFillSymbol pFillSymbol = pSym as IFillSymbol;
pMultiPatchElement.Symbol = pFillSymbol as IFillSymbol;
}
break;
}
pElement.Geometry = pGeom;
IGraphicsContainer3D pGCon3D = pSceneControl.Scene.BasicGraphicsLayer as IGraphicsContainer3D;
pGCon3D.AddElement(pElement);//在SceneControl中绘制要素
IGraphicsSelection pGS = pGCon3D as IGraphicsSelection;
pSceneControl.Scene.SceneGraph.RefreshViewers();
}
/// <summary>
/// 生成缓冲区
/// </summary>
/// <param name="pGeometry"></param>
/// <returns></returns>
public IPolygon GenerateBuffer(IGeometry pGeometry, float Radius)
{
IGraphicsContainer pGraphicsContainer = (ESRI.ArcGIS.Carto.IGraphicsContainer)mapControl.Map;
ITopologicalOperator pTopoOp = default(ITopologicalOperator);
//拓扑接口，用来根据选择的对象和输入的距离产生缓冲区
IElement pElement = default(IElement);
IGeometry geoBuffer = null;
if ((pGeometry != null))
{
pTopoOp = pGeometry as ITopologicalOperator;
IPolygonElement pPolygonElement = new PolygonElement() as IPolygonElement;
//PolygonElement
pElement = pPolygonElement as IElement;
//Generate Buffer
geoBuffer = pTopoOp.Buffer((double)Radius) as IGeometry;
pElement.Geometry = geoBuffer;
//Get the IRGBColor interface
IRgbColor pColor = default(IRgbColor);
pColor = new RgbColor();
//Set the color properties
pColor.RGB = 255;
pColor.Transparency = 255;
//Get the ILine symbol interface
ILineSymbol pOutline = default(ILineSymbol);
pOutline = new SimpleLineSymbol();
//Set the line symbol properties
pOutline.Width = 2;
pOutline.Color = pColor;
//Set the color properties
pColor = new RgbColor();
pColor.RGB = 255;
pColor.Transparency = 0;
//Get the IFillSymbol properties
IFillSymbol pFillSymbol = new SimpleFillSymbol();
//Set the fill symbol properties
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
//QI for IFillShapeElement interface through the IElement interface
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
//Set the symbol property
pFillShapeElement.Symbol = pFillSymbol;
object obj = pFillSymbol as object;
//this.axMapControl1.DrawShape(pElement.Geometry,ref obj );
pGraphicsContainer.AddElement(pFillShapeElement as IElement, 0);
}
mapControl.Refresh();
return(geoBuffer as IPolygon);
}
private void 给出可测区域ToolStripMenuItem_Click(object sender, EventArgs e)
{
IGeometry buffer;
ISelection pSeletion = axMapControl1.Map.FeatureSelection;
IEnumFeature pEnumFeature = (IEnumFeature)pSeletion;
IGraphicsContainer graphicsContainer = axMapControl1.ActiveView.GraphicsContainer;
//graphicsContainer.DeleteAllElements();
IFeature pFeature = pEnumFeature.Next(); //选择集
double bufferDistance = GlobalData.dist;
if (bufferDistance <= 0.0)
{
MessageBox.Show("距离设置错误");
return;
}
while (pFeature != null)
{
ITopologicalOperator topoOperator = pFeature.Shape as ITopologicalOperator;
buffer = topoOperator.Buffer(bufferDistance);
topoOperator = buffer as ITopologicalOperator;
IGeometry result;
if (rectpElement != null)
{
topoOperator.Clip(rectpElement.Geometry.Envelope);
}
IElement element = new PolygonElementClass();
element.Geometry = buffer;
//创建矩形轮廓的样式
ILineSymbol linesymbol = new SimpleLineSymbolClass();
linesymbol.Width = 2;
IRgbColor rgbColor = new RgbColorClass();
rgbColor.Red = 65;
rgbColor.Green = 105;
rgbColor.Blue = 225;
rgbColor.Transparency = 255;
linesymbol.Color = rgbColor;
IFillSymbol fillsymbol = new SimpleFillSymbolClass();
rgbColor.Transparency = 0;
fillsymbol.Color = rgbColor;
fillsymbol.Outline = linesymbol;
IFillShapeElement fillshapeElement = element as IFillShapeElement;
fillshapeElement.Symbol = fillsymbol;
// 添加绘图元素
graphicsContainer.AddElement(element, 0);
pFeature = pEnumFeature.Next();
}
axMapControl1.Refresh();
}
private void axSceneControl1_OnMouseDown(object sender, ESRI.ArcGIS.Controls.ISceneControlEvents_OnMouseDownEvent e)
{
ICamera pCamera = this.axSceneControl1.Camera;
IPoint point = pCamera.Target;
IEnvelope pEnv = new EnvelopeClass();
pEnv.XMax = point.X + 2;
pEnv.XMin = point.X - 2;
pEnv.YMax = point.Y + 2;
pEnv.YMin = point.Y - 2;
IRectangleElement pRectangleEle = new RectangleElementClass();
IElement pEle = pRectangleEle as IElement;
pEle.Geometry = pEnv;
//设置线框的边线对象，包括颜色和线宽
IRgbColor pColor = new RgbColorClass();
pColor.Red = 238;
pColor.Green = 99;
pColor.Blue = 99;
pColor.Transparency = 255;
// 产生一个线符号对象
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 1;
pOutline.Color = pColor;
// 设置颜色属性
pColor.Red = 238;
pColor.Green = 99;
pColor.Blue = 99;
pColor.Transparency = 0;
// 设置线框填充符号的属性
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
IFillShapeElement pFillShapeEle = pEle as IFillShapeElement;
pFillShapeEle.Symbol = pFillSymbol;
// 得到鹰眼视图中的图形元素容器
IGraphicsContainer pGra = axMapControl1.Map as IGraphicsContainer;
IActiveView pAv = pGra as IActiveView;
// 在绘制前，清除 axMapControl1 中的任何图形元素
pGra.DeleteAllElements();
// 鹰眼视图中添加线框
pGra.AddElement((IElement)pFillShapeEle, 0);
// 刷新鹰眼
pAv.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
private void UCMap_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
if (scaleUpdated != null)
{
scaleUpdated(MapScale);
}
ucMapNavigate1.MapScale = (int)base.MapScale;
// 得到新范围
IEnvelope pEnv = (IEnvelope)e.newEnvelope;
IGraphicsContainer pGra = this.Map as IGraphicsContainer;
IActiveView pAv = pGra as IActiveView;
//在绘制前，清除axMapControl2中的任何图形元素
pGra.DeleteAllElements();
IRectangleElement pRectangleEle = new RectangleElementClass();
IElement pEle = pRectangleEle as IElement;
pEle.Geometry = pEnv;
//设置鹰眼图中的红线框
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 255;
//产生一个线符号对象
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 1;
pOutline.Color = pColor;
//设置颜色属性
pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 0;
pColor.Blue = 0;
pColor.Transparency = 0;
//设置填充符号的属性
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
IFillShapeElement pFillShapeEle = pEle as IFillShapeElement;
pFillShapeEle.Symbol = pFillSymbol;
pGra.AddElement((IElement)pFillShapeEle, 0);
pAv.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
/// <summary>
/// 创建图形元素
/// </summary>
/// <param name="pGeometry">几何图形</param>
/// <param name="lineColor">边框颜色</param>
/// <param name="fillColor">填充颜色</param>
/// <returns></returns>
private static IElement CreateElement(IGeometry pGeometry, IRgbColor lineColor, IRgbColor fillColor)
{
if (pGeometry == null || lineColor == null || fillColor == null)
{
return(null);
}
IElement pElem = null;
try
{
if (pGeometry is IEnvelope)
{
pElem = new RectangleElementClass();
}
else if (pGeometry is IPolygon)
{
pElem = new PolygonElementClass();
}
else if (pGeometry is ICircularArc)
{
ISegment pSegCircle = pGeometry as ISegment;//QI
ISegmentCollection pSegColl = new PolygonClass();
object o = Type.Missing;
pSegColl.AddSegment(pSegCircle, ref o, ref o);
IPolygon pPolygon = pSegColl as IPolygon;
pGeometry = pPolygon as IGeometry;
pElem = new CircleElementClass();
}
else if (pGeometry is IPolyline)
{
pElem = new LineElementClass();
}
if (pElem == null)
{
return(null);
}
pElem.Geometry = pGeometry;
IFillShapeElement pFElem = pElem as IFillShapeElement;
ISimpleFillSymbol pSymbol = new SimpleFillSymbolClass();
pSymbol.Color = fillColor;
pSymbol.Outline.Color = lineColor;
pSymbol.Style = esriSimpleFillStyle.esriSFSCross;
if (pSymbol == null)
{
return(null);
}
pFElem.Symbol = pSymbol;
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
}
return(pElem);
}
public void DrawEnvelope(IEnvelope envelope)
{
if (envelope == null)
{
return;
}
try
{
//将鹰眼地图设置为地理容器,再设置为活动视图
IGraphicsContainer pGraphicsContainer = this.axMapControl.Map as IGraphicsContainer;
IActiveView pActiveView = pGraphicsContainer as IActiveView;
//清除鹰眼地图中的任何图形元素
pGraphicsContainer.DeleteAllElements();
//设置矩形范围
IRectangleElement pRectangeEle = new RectangleElementClass();
IElement pElement = pRectangeEle as IElement;
pElement.Geometry = envelope;
//创建鹰眼图中的红线框
IRgbColor pColor = new RgbColor();
pColor.Red = 255;
pColor.Blue = 0;
pColor.Green = 0;
pColor.Transparency = 255;
//创建线符号对象
ILineSymbol pOutline = new SimpleLineSymbolClass();
pOutline.Width = 2;
pOutline.Color = pColor;
//设置颜色属性
pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Blue = 0;
pColor.Green = 0;
pColor.Transparency = 0;
//设置填充符号
IFillSymbol pFillSymbol = new SimpleFillSymbolClass();
pFillSymbol.Color = pColor;
pFillSymbol.Outline = pOutline;
IFillShapeElement pFillShapeEle = pElement as IFillShapeElement;
pFillShapeEle.Symbol = pFillSymbol;
pGraphicsContainer.AddElement((IElement)pFillShapeEle, 0);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
interEnvelope = envelope;
}
catch (Exception ex)
{
LoggingService.Error(ex.Message + "\r\n" + ex.StackTrace);
}
}
private void axMapControl1_OnExtentUpdated(object sender, IMapControlEvents2_OnExtentUpdatedEvent e)
{
//创建矩形元素
IFillShapeElement fillShapeElement = ElementsHelper.GetRectangleElement(e.newEnvelope as IGeometry);
//刷新总览窗体的mapcontrol
if (m_FormOverview != null && !m_FormOverview.IsDisposed)
{
m_FormOverview.UpdateMapControlGraphics(fillShapeElement as IElement);
}
}
private void axPageLayoutControl1_OnExtentUpdated(object sender, IPageLayoutControlEvents_OnExtentUpdatedEvent e)
{
//QI for IEnvelope
IEnvelope envelope = (IEnvelope)e.newEnvelope;
//Get the IElement interface by finding an element by its name
IElement element = m_PageLayoutControl.FindElementByName("ZoomExtent", 1);
if (element != null)
{
//Delete the graphic
m_PageLayoutControl.GraphicsContainer.DeleteElement(element);
}
element = new RectangleElementClass();
//Get the IRGBColor interface
IRgbColor color = new RgbColorClass();
//Set the color properties
color.RGB = 255;
color.Transparency = 255;
//Get the ILine symbol interface
ILineSymbol outline = new SimpleLineSymbolClass();
//Set the line symbol properties
outline.Width = 10;
outline.Color = color;
//Set the color properties
color = new RgbColorClass();
color.RGB = 255;
color.Transparency = 0;
//Get the IFillSymbol properties
IFillSymbol fillSymbol = new SimpleFillSymbolClass();
//Set the fill symbol properties
fillSymbol.Color = color;
fillSymbol.Outline = outline;
//QI for IFillShapeElement interface through the IElement interface
IFillShapeElement fillShapeElement = (IFillShapeElement)element;
//Set the symbol property
fillShapeElement.Symbol = fillSymbol;
//Add the element
m_PageLayoutControl.AddElement(element, e.newEnvelope, Type.Missing, "ZoomExtent", -1);
//Refresh the graphics
m_PageLayoutControl.Refresh(esriViewDrawPhase.esriViewGraphics, Type.Missing, Type.Missing);
}
/// <summary>
/// 创建图形元素
/// </summary>
/// <param name="geometry">几何图形</param>
/// <param name="lineColor">边界颜色</param>
/// <param name="fillColor">填充颜色</param>
/// <returns>图形元素</returns>
public static IElement CreateElement(IGeometry geometry, IRgbColor lineColor, IRgbColor fillColor)
{
if (geometry == null || lineColor == null || fillColor == null)
{
return(null);
}
IElement element = null;
// 判断图形的类型
if (geometry is IEnvelope)
{
element = new RectangleElementClass();
}
else if (geometry is IPolygon)
{
element = new PolygonElementClass();
}
else if (geometry is ICircularArc)
{
ISegment segment = geometry as ISegment;
ISegmentCollection segmentCollection = new PolygonClass();
segmentCollection.AddSegment(segment, Type.Missing, Type.Missing);
IPolygon polygon = segmentCollection as IPolygon;
geometry = polygon as IGeometry;
element = new CircleElementClass();
}
else if (geometry is IPolyline)
{
element = new LineElementClass();
}
if (element == null)
{
return(null);
}
element.Geometry = geometry;
ISimpleFillSymbol symbol = new SimpleFillSymbolClass();
symbol.Outline.Color = lineColor;
symbol.Color = fillColor;
symbol.Style = esriSimpleFillStyle.esriSFSCross;
if (symbol == null)
{
return(null);
}
IFillShapeElement fillShapeElement = element as IFillShapeElement;
fillShapeElement.Symbol = symbol;
return(element);
}
/// <summary>
/// 在地图上绘制图形（单一）
/// </summary>
/// <param name="envelope">图形外包络</param>
/// <param name="mapControl">绘制目标（地图控件对象）</param>
public static void DrawMapShape(IEnvelope envelope, IMapControl2 mapControl)
{
IElement pElement = new RectangleElementClass()
{
Geometry = envelope
};
IFillShapeElement pFillShapeElement = pElement as IFillShapeElement;
pFillShapeElement.Symbol = getFillSymbol(getLineSymbol());
IGraphicsContainer pGC = mapControl.Map as IGraphicsContainer;
pGC.DeleteAllElements();
pGC.AddElement(pElement, 0);
mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphics, null, null);
}
