public void AddPolygonByWrite(AxMapControl axMapControl1, IFeatureLayer l, double x, double y)
{
ESRI.ArcGIS.Geometry.esriGeometryType featype = l.FeatureClass.ShapeType;
if (featype == esriGeometryType.esriGeometryPolygon)//判断层是否为线层
{
//IFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;
IFeatureClass fc = l.FeatureClass;
IFeatureClassWrite fr = fc as IFeatureClassWrite;
IWorkspaceEdit w = (fc as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
//可选参数的设置
object Missing = Type.Missing;
IPoint p = new PointClass();
w.StartEditing(true);
w.StartEditOperation();
f = fc.CreateFeature();
//定义一个多义线对象
IRgbColor color = new RgbColor();
// 设置颜色属性
color.Red = 255;
color.Transparency = 255;
IGeometry iGeom = axMapControl1.TrackPolygon();
AddRegion(axMapControl1, iGeom);
f.Shape = iGeom;
fr.WriteFeature(f);
w.StopEditOperation();
w.StopEditing(true);
}
}
public void PolygonSelect(AxMapControl mapControl)
{
this.init();
IGeometry pGeometryP;
pGeometryP = mapControl.TrackPolygon();
//新建选择集对象
ISelectionEnvironment pSelectionEnvP;
pSelectionEnvP = new SelectionEnvironmentClass();
//改变选择集的默认颜色
pSelectionEnvP.DefaultColor = pColor;
//选择要素,并将其放入选择集
mapControl.Map.SelectByShape(pGeometryP, pSelectionEnvP, false);
mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection,
null, null);
}
//查询
public static void QueryByBuffer(AxMapControl axMapControl)
{
// IDataset data = null;
ILayer layer = axMapControl.get_Layer(0);
IFeatureLayer featureLayer = layer as IFeatureLayer;
//获取featurelayer的featureClass
IFeatureClass featureClass = featureLayer.FeatureClass;
IFeature feature = null;
IQueryFilter queryFilter = new QueryFilterClass();
IFeatureCursor featureCursor;
queryFilter.WhereClause = "NAME";
featureCursor = featureClass.Search(queryFilter, true);
feature = featureCursor.NextFeature();
if (feature != null)
{
axMapControl.Map.SelectFeature(axMapControl.get_Layer(axMapControl.Map.LayerCount), feature);
axMapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
axMapControl.MousePointer = ESRI.ArcGIS.Controls.esriControlsMousePointer.esriPointerCrosshair;
IGeometry geometry = null;
geometry = axMapControl.TrackPolygon();
//geometry = axMapControl.get_Layer(axMapControl.Map.LayerCount - 1) as IGeometry;
axMapControl.Map.SelectByShape(geometry, null, false);
axMapControl.Refresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
/// <summary>
/// 面积测量
/// </summary>
/// <param name="axMapControl"></param>
public static void MeasureArea(AxMapControl axMapControl)
{
IActiveView pActiveView = axMapControl.ActiveView;
IScreenDisplay screenDisplay = pActiveView.ScreenDisplay;
ISimpleLineSymbol lineSymbol = new SimpleLineSymbolClass();
IRgbColor rgbClolor = new RgbColorClass();
lineSymbol.Width = 2;
rgbClolor.Red = 255;
lineSymbol.Color = rgbClolor;
axMapControl.Map.MapUnits = esriUnits.esriKilometers;
IPolygon pGon = axMapControl.TrackPolygon() as IPolygon;
screenDisplay.StartDrawing(screenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
screenDisplay.SetSymbol((ISymbol)lineSymbol);
screenDisplay.DrawPolyline(pGon);
screenDisplay.FinishDrawing();
try
{
IArea pArea = pGon as IArea;
double s = Math.Abs(pArea.Area*10000);//
MessageBox.Show("测量面积为：" + Convert.ToDouble(s).ToString("0.000") + "平方公里（km2）", "面积测量结果");
IGraphicsContainer pDeletElement = axMapControl.ActiveView.FocusMap as IGraphicsContainer;
pDeletElement.DeleteAllElements();
axMapControl.ActiveView.Refresh();
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
//自由画面统计
public static void FreePolygonSt(AxMapControl axMapControl,string Path)
{
try
{
IActiveView pActiveView = axMapControl.ActiveView;
IScreenDisplay screenDisplay = pActiveView.ScreenDisplay;
ISimpleFillSymbol sfs = new SimpleFillSymbolClass();
IRgbColor rgbClolor = new RgbColorClass();
sfs.Color = GetRgbColor(23, 255, 55);
IPolygon pGon = axMapControl.TrackPolygon() as IPolygon;
screenDisplay.StartDrawing(screenDisplay.hDC, (short)esriScreenCache.esriNoScreenCache);
screenDisplay.SetSymbol((ISymbol)sfs);
screenDisplay.DrawPolygon((IGeometry)pGon);
screenDisplay.FinishDrawing();
if (MessageBox.Show("是否进行统计？", "询问", MessageBoxButtons.OKCancel, MessageBoxIcon.Question) == DialogResult.OK)
{
CreatePolygonFeature(pGon, Path, "统计");
//axMapControl.AddShapeFile(@"G:\数据库\图层数据", "统计");
}
}
catch(Exception ex)
{
MessageBox.Show(ex.Message);
}
}
public void AddPolygonByWrite(AxMapControl axMapControl1, IFeatureLayer l, double x, double y)
{
ESRI.ArcGIS.Geometry.esriGeometryType featype = l.FeatureClass.ShapeType;
if (featype == esriGeometryType.esriGeometryPolygon)//�жϲ��Ƿ�Ϊ�߲�
{
//IFeatureLayer l = MapCtr.Map.get_Layer(0) as IFeatureLayer;
IFeatureClass fc = l.FeatureClass;
IFeatureClassWrite fr = fc as IFeatureClassWrite;
IWorkspaceEdit w = (fc as IDataset).Workspace as IWorkspaceEdit;
IFeature f;
//��ѡ����������
object Missing = Type.Missing;
IPoint p = new PointClass();
w.StartEditing(true);
w.StartEditOperation();
f = fc.CreateFeature();
//����һ�������߶���
IRgbColor color = new RgbColor();
// ������ɫ����
color.Red = 255;
color.Transparency = 255;
IGeometry iGeom = axMapControl1.TrackPolygon();
AddRegion(axMapControl1, iGeom);
f.Shape = iGeom;
fr.WriteFeature(f);
w.StopEditOperation();
w.StopEditing(true);
}
}
private void axMapControlMainMap_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
int statusFlag = CommonLib.MapMouseFlag;
if (statusFlag <= 1)
{
return;
}
AxMapControlMainMap.MousePointer = esriControlsMousePointer.esriPointerCrosshair;//鼠标指针:十字状
IPoint pPoint = AxMapControlMainMap.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(e.x, e.y);
#region 11-19：空间查询(画点、线、面)
if (statusFlag >= 11 && statusFlag <= 19)
{
object symbol = null;
switch (statusFlag)
{
case 11:
IPoint point = new ESRI.ArcGIS.Geometry.Point();
point.X = e.mapX;
point.Y = e.mapY;
CommonLib.MapGeometry = point;
symbol = RenderOpt.GetSimpleMarkerSymbol("ff0000");
break;
case 12:
CommonLib.MapGeometry = AxMapControlMainMap.TrackLine();
symbol = RenderOpt.GetSimpleLineSymbol("ff0000");
break;
case 13:
CommonLib.MapGeometry = AxMapControlMainMap.TrackPolygon();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
case 14:
CommonLib.MapGeometry = AxMapControlMainMap.TrackRectangle();
symbol = RenderOpt.GetSimpleFillSymbol("99ccff", "ff0000");
break;
default:
CommonLib.MapGeometry = null;
break;
}
if (CommonLib.MapGeometry != null)
{
//axMapControlMainMap.Map.SelectByShape(CommonLib.MapGeometry, null, false);
//axMapControlMainMap.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
AxMapControlMainMap.DrawShape(CommonLib.MapGeometry, ref symbol);
}
}
#endregion
#region
//#region 绘制图形
//if (CommonLib.MapMouseFlag >= 1 && CommonLib.MapMouseFlag <= 4)
//{
// //初始化Color
// IRgbColor rgbColor1 = new RgbColor();
// rgbColor1.Red = 255;
// rgbColor1.Green = 255;
// rgbColor1.Blue = 0;
// //初始化Symbol
// object symbol = null;
// if (geometry.GeometryType == esriGeometryType.esriGeometryPolyline) //线
// {
// ISimpleLineSymbol simpleLineSymbol = new SimpleLineSymbol();
// simpleLineSymbol.Color = rgbColor1;
// simpleLineSymbol.Width = 5;
// symbol = simpleLineSymbol;
// }
// else
// {
// ISimpleFillSymbol simpleFillSymbol = new SimpleFillSymbol();
// simpleFillSymbol.Color = rgbColor1;
// symbol = simpleFillSymbol;
// }
// axMapControlMainMap.DrawShape(geometry, ref symbol);
//}
//else if (CommonLib.MapMouseFlag == 5)
//{
// //初始化Color
// IRgbColor rgbColor2 = new RgbColor();
// rgbColor2.Red = 255;
// rgbColor2.Green = 0;
// rgbColor2.Blue = 0;
// //初始化Symbol
// object symbol = null;
// ITextSymbol textSymbol = new TextSymbol();
// textSymbol.Color = rgbColor2;
// symbol = textSymbol;
// axMapControlMainMap.DrawText(geometry, "顶你个肺", ref symbol);
//}
//#endregion
//#region 空间选择
//if (CommonLib.MapMouseFlag >= 11 && CommonLib.MapMouseFlag <= 15)
//{
// axMapControlMainMap.Map.SelectByShape(geometry, null, false);
//}
//axMapControlMainMap.Refresh();
//#endregion
#endregion
}
