public static IEnumFeature SelectByPolygon(IMap pMap, IPolygon pPolygon, esriSpatialRelEnum pSpatialRelEnum)
{
ISelectionEnvironment selectionEnvironmentClass = new SelectionEnvironmentClass()
{
AreaSelectionMethod = pSpatialRelEnum,
LinearSelectionMethod = pSpatialRelEnum,
PointSelectionMethod = pSpatialRelEnum,
CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew
};
try
{
pMap.SelectByShape(pPolygon, selectionEnvironmentClass, false);
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
if (cOMException.ErrorCode != -2147467259)
{
//Logger.Current.Error("",cOMException, "");
}
else
{
MessageBox.Show("执行查询时产生错误。空间索引不存在", "选择");
}
}
catch (Exception exception)
{
//Logger.Current.Error("",exception, "");
}
return((IEnumFeature)pMap.FeatureSelection);
}
public static SelectionEnvironmentClass System_Selection_Environment(IActiveView activeView)
{
if (m_System_Selection_Option == null)
{
m_System_Selection_Option = SelectOption.GetSelectOption();
}
if (m_System_SelectionEnvironment == null)
{
m_System_SelectionEnvironment = new SelectionEnvironmentClass();
}
double tol = PublicFunction.ConvertPixelsToMapUnits(activeView, m_System_Selection_Option.Tolerate);
m_System_SelectionEnvironment.PointSearchDistance = tol;
m_System_SelectionEnvironment.LinearSearchDistance = tol;
m_System_SelectionEnvironment.AreaSearchDistance = tol;
m_System_SelectionEnvironment.PointSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.LinearSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.AreaSelectionMethod = (esriSpatialRelEnum)m_System_Selection_Option.SelectRelection;
m_System_SelectionEnvironment.ClearInvisibleLayers = m_System_Selection_Option.ClearInVisible;
m_System_SelectionEnvironment.CombinationMethod = (esriSelectionResultEnum)m_System_Selection_Option.ResultMethod;
m_System_SelectionEnvironment.DefaultColor = PublicFunction.GetSelectionColor(m_System_Selection_Option.DefaultColorRGB);
m_System_SelectionEnvironment.SearchTolerance = (int)tol;
m_System_SelectionEnvironment.ShowSelectionWarning = m_System_Selection_Option.ShowWarning;
m_System_SelectionEnvironment.WarningThreshold = m_System_Selection_Option.WarningThreshold;
return(m_System_SelectionEnvironment);
}
/// <summary>
/// Occurs when this tool is clicked
/// </summary>
public override void OnClick()
{
IEnumFeature pEnumFeature = m_MapControl.Map.FeatureSelection as IEnumFeature;
if (pEnumFeature == null || m_MapControl.Map.SelectionCount != 1)
{
return;
}
pEnumFeature.Reset();
IFeature pFeature = pEnumFeature.Next();
if (pFeature == null)
{
return;
}
//画出图形各节点
if (MoData.v_bVertexSelectionTracker == true)
{
ModPublic.DrawEditSymbol(pFeature.Shape, m_MapControl.ActiveView);
}
//设置点选容差
ISelectionEnvironment pSelectEnv = new SelectionEnvironmentClass();
m_dblTolearance = ModPublic.ConvertPixelsToMapUnits(m_hookHelper.ActiveView, pSelectEnv.SearchTolerance);
m_pFeature = pFeature;
}
private IFeature SelctFeatureBasedMousePoint(IPoint pPoint)
{
//对点对象做缓冲区运算
ITopologicalOperator pTopo = pPoint as ITopologicalOperator;
IGeometry pBuffer = pTopo.Buffer(0.5);
IGeometry pGeometry = pBuffer.Envelope;
SetAllPolylinePolygonLayersSelectable();
ISelectionEnvironment selEnvironment = new SelectionEnvironmentClass();
selEnvironment.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
m_map.SelectByShape(pGeometry, selEnvironment, true);
IEnumFeature SelectedFeatures = m_map.FeatureSelection as IEnumFeature;
SelectedFeatures.Reset();
IFeature extendFeature = SelectedFeatures.Next();
SetAllLayersSelectable();
m_activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_activeView.Extent);
if (extendFeature != null && extendFeature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
{
return(extendFeature);
}
return(null);
}
public void OnClick()
{
if (_view.SelectedItemType == esriTOCControlItem.esriTOCControlItemLayer && _view.SelectedLayer != null)
{
IActiveView pActiveView = _view.SelectedMap as IActiveView;
if (pActiveView != null)
{
if (_view.SelectedLayer is IFeatureLayer)
{
IFeatureSelection featureSelection = _view.SelectedLayer as IFeatureSelection;
if (featureSelection != null)
{
int count = featureSelection.SelectionSet.Count;
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
if ((_view.SelectedLayer as IFeatureLayer).FeatureClass.FeatureCount(null) - count <=
(pSelectionEnvironment as ISelectionEnvironmentThreshold).WarningThreshold ||
MessageBox.Show("所选择记录较多，执行将花较长时间，是否继续？", "选择", MessageBoxButtons.YesNo) !=
DialogResult.No)
{
featureSelection.SelectFeatures(null, esriSelectionResultEnum.esriSelectionResultXOR,
false);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, featureSelection, null);
}
}
}
}
}
}
//判断鼠标是否在已选择要素的节点上
public static bool MouseOnFeatureVertex(IPoint pPnt, IFeature pFeature, IActiveView pActiveView)
{
//设置点选择容差
ISelectionEnvironment pSelectEnv = new SelectionEnvironmentClass();
double Length = ConvertPixelsToMapUnits(pActiveView, pSelectEnv.SearchTolerance);
IPointCollection pointCol = pFeature.Shape as IPointCollection;
for (int i = 0; i < pointCol.PointCount; i++)
{
IGeometry4 pGeom = pointCol.get_Point(i) as IGeometry4;
//给pGeom一个确定的空间参考
pGeom.Project(pActiveView.FocusMap.SpatialReference);
if (pGeom.IsEmpty)
{
return(false);
}
IProximityOperator pObj = pGeom as IProximityOperator;
double dblDist = pObj.ReturnDistance(pPnt);
if (dblDist < Length)
{
return(true);
}
}
return(false);
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
DF2DApplication app = DF2DApplication.Application;
bool ready = true;
if (app == null || app.Current2DMapControl == null)
{
return;
}
m_ActiveView = app.Current2DMapControl.ActiveView;
IScreenDisplay m_Display = app.Current2DMapControl.ActiveView.ScreenDisplay;
try
{
if (button == 1)
{
ISimpleLineSymbol pLineSym = new SimpleLineSymbol();
IRgbColor pColor = new RgbColorClass();
pColor.Red = 255;
pColor.Green = 255;
pColor.Blue = 0;
pLineSym.Color = pColor;
pLineSym.Style = esriSimpleLineStyle.esriSLSSolid;
pLineSym.Width = 2;
ISimpleFillSymbol pFillSym = new SimpleFillSymbol();
pFillSym.Color = pColor;
pFillSym.Style = esriSimpleFillStyle.esriSFSDiagonalCross;
pFillSym.Outline = pLineSym;
object symbol = pFillSym as object;
IRubberBand band = new RubberPolygonClass();
IGeometry pGeo = band.TrackNew(m_Display, null);
app.Current2DMapControl.DrawShape(pGeo, ref symbol);
WaitForm.Start("正在查询...", "请稍后");
if (pGeo.IsEmpty)
{
IPoint searchPoint = new PointClass();
searchPoint.PutCoords(mapX, mapY);
pGeo = PublicFunction.DoBuffer(searchPoint, PublicFunction.ConvertPixelsToMapUnits(m_ActiveView, GlobalValue.System_Selection_Option().Tolerate));
//m_ActiveView.FocusMap.SelectByShape(geo, s, false);
}
if (ready)
{
IMap pMap = app.Current2DMapControl.Map;
ISelectionEnvironment selEnv = new SelectionEnvironmentClass();
pMap.SelectByShape(pGeo, selEnv, false);
ISelection pSelection = pMap.FeatureSelection;
FrmDxfExport dialog = new FrmDxfExport(pSelection, pMap);
WaitForm.Stop();
dialog.ShowDialog();
}
}
}
catch (System.Exception ex)
{
WaitForm.Stop();
}
}
//判断鼠标是否在已选择的记录集上
public static bool MouseOnSelection(IPoint pPnt, IActiveView pActiveView)
{
//设置点选择容差
ISelectionEnvironment pSelectEnv = new SelectionEnvironmentClass();
double Length = ConvertPixelsToMapUnits(pActiveView, pSelectEnv.SearchTolerance);
UID pUID = new UIDClass();
pUID.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}"; //UID for IFeatureLayer
IEnumLayer pEnumLayer = pActiveView.FocusMap.get_Layers(pUID, true);
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
if (MouseOnSelection(pLayer as IFeatureLayer, pPnt, pActiveView, Length) == true)
{
return(true);
}
pLayer = pEnumLayer.Next();
}
return(false);
}
public SelectionEnv()
{
_pSelectionEnvironment = new SelectionEnvironmentClass();
_pSelectGeometryType = esriGeometryType.esriGeometryEnvelope;
_pSelectType = enumSelectType.SelectByIntersect;
_canMultiLayerSelect = false;
}
private void GetSelectedFeature()
{
if (m_activePoint == null)
{
return;
}
IPoint mousePoint = m_activePoint;
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
pSelectionEnvironment.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelWithin;
m_map.SelectByShape(mousePoint as IGeometry, pSelectionEnvironment, true);
IEnumFeature SelectedFeatures = m_map.FeatureSelection as IEnumFeature;
if (SelectedFeatures == null)
{
return;
}
SelectedFeatures.Reset();
m_selectedFeature = SelectedFeatures.Next();
if (m_selectedFeature != null)
{
m_toolPhase = ToolPhase.Cut;
m_activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_activeView.Extent);
}
}
private void GetSelectedFeature()
{
if (m_activePoint == null)
{
return;
}
IPoint mousePoint = m_activePoint;
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
pSelectionEnvironment.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelWithin;
//定义缓冲区
double db = MapManager.ConvertPixelsToMapUnits(m_activeView, 4);
ITopologicalOperator pTop;
pTop = mousePoint as ITopologicalOperator;
IGeometry pGeometry = pTop.Buffer(db);
m_map.SelectByShape(pGeometry, pSelectionEnvironment, true);
IEnumFeature SelectedFeatures = m_map.FeatureSelection as IEnumFeature;
if (SelectedFeatures == null)
{
return;
}
SelectedFeatures.Reset();
m_selectedFeature = SelectedFeatures.Next();
if (m_selectedFeature != null)
{
m_toolPhase = ToolPhase.Cut;
m_activeView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_activeView.Extent);
}
}
/// <summary>
/// 判断鼠标点击处有无巷道要素
/// </summary>
/// <param name="m_hookHelper"></param>
/// <param name="pMousePoint">鼠标点</param>
/// <param name="pFeatureLayer">导线点图层</param>
/// <param name="theFeature">返回离鼠标最近的导线点</param>
public void TestExistPointFeature(IHookHelper m_hookHelper, IPoint pMousePoint, IFeatureLayer pFeatureLayer, ref IFeature theFeature)
{
ArrayList pSelected = new ArrayList();
IFeatureClass pFeatureClass;
ISelectionEnvironment pSelectionEnvironment;
IFeature pFeature = null;
IGeometry pGeometry;
ITopologicalOperator pTopolagicalOperator;
double dLength;
IEnvelope pSrchEnv;
pSelectionEnvironment = new SelectionEnvironmentClass();
dLength = pSelectionEnvironment.SearchTolerance;
pGeometry = pMousePoint;
dLength = DataEditCommon.ConvertPixelDistanceToMapDistance(m_hookHelper.ActiveView, dLength);
pSrchEnv = pMousePoint.Envelope;
pSrchEnv.Width = dLength;
pSrchEnv.Height = dLength;
pSrchEnv.CenterAt(pMousePoint);
pTopolagicalOperator = (ITopologicalOperator)pGeometry;
IGeometry pBuffer = pTopolagicalOperator.Buffer(dLength);
pGeometry = pBuffer;
IFeature pFeat = null;
IMap pMap = m_hookHelper.FocusMap;
pFeatureClass = pFeatureLayer.FeatureClass;
IIdentify2 pID = pFeatureLayer as IIdentify2;
//IArray pArray = pID.Identify(pSrchEnv, null);
IArray pArray = pID.Identify(pGeometry, null);
IFeatureIdentifyObj pFeatIdObj;
IRowIdentifyObject pRowObj;
if (pArray != null)
{
for (int j = 0; j < pArray.Count; j++)
{
if (pArray.Element[j] is IFeatureIdentifyObj)
{
pFeatIdObj = pArray.Element[j] as IFeatureIdentifyObj;
pRowObj = pFeatIdObj as IRowIdentifyObject;
pFeature = pRowObj.Row as IFeature;
pSelected.Add(pFeature);
}
}
pArray.RemoveAll();
}
theFeature = pFeature;
return;
//GetClosestFeatureInCollection(m_hookHelper, dLength, pSelected, pMousePoint, ref pFeat);
//if (pFeat != null)
// theFeature = pFeat;
//else
// theFeature = null;
}
/// <summary>
/// 以指定几何体选择图元
/// </summary>
/// <param name="pGeometry"></param>
/// <param name="ShiftKey"></param>
/// <param name="justOne"></param>
public void SelectByShape(IGeometry pGeometry, bool ShiftKey, bool justOne)
{
if (this.m_Scene == null)
{
return;
}
//Get a selection environment
ISelectionEnvironment pSelectionEnv;
pSelectionEnv = new SelectionEnvironmentClass();
if (ShiftKey)
{
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultAdd;
}
else
{
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew;
}
//Select by Shape
this.m_Scene.SelectByShape(pGeometry, pSelectionEnv, justOne);
//Refresh the scene viewer
RefreshViewers();
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
// TODO: Add ToolCreateParallel.OnMouseDown implementation
if (Button == 1 && (m_pMapCtl = ClsGlobal.GetMapControl(m_hookHelper)) != null)
{
IMap pMap = m_pMapCtl.Map;
IPoint po = m_pMapCtl.ToMapPoint(X, Y);
ISelectionEnvironment pSelectionEnv = new SelectionEnvironmentClass();
IGeometry geometry = new PolygonClass();
geometry = m_pMapCtl.TrackRectangle();
pMap.SelectByShape(geometry, pSelectionEnv, true);
m_pMapCtl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeography, null, null);
IEnumFeatureSetup pSelectionsetup = pMap.FeatureSelection as IEnumFeatureSetup;
pSelectionsetup.AllFields = true;//这里是关键
IEnumFeature pFeatureCollection = pSelectionsetup as IEnumFeature;
IFeature pF = pFeatureCollection.Next();
if (pF != null && pF.Shape is IPolyline)
{
FrmParallelLineOffset frm = new FrmParallelLineOffset();
if (frm.ShowDialog() == DialogResult.OK)
{
IPolyline pPolyline = ConstructOffset(pF.Shape as IPolyline, frm.offset);
IFeature pFeature = m_FLayer.FeatureClass.CreateFeature();
pFeature.Shape = pPolyline;
pFeature.Store();
m_pMapCtl.Refresh();
}
}
}
}
//得到鼠标靠近的地物
public IFeature GetCloseFeature(IMap pMap, IPoint pPoint, List <IFeature> lstFeatures)
{
if (pPoint == null || lstFeatures == null || lstFeatures.Count < 1)
{
return(null);
}
IFeature pFeat;
IGeometry pGeo;
ICurve pCurve = null;
IPoint pInPoint = null;
bool bAsRatio = false;
IPoint pNearPoint = null;
double dDistOnCurve = 0;
double dNearDist = 0;
bool bRight = false;
IFeature pNearFeature = null;
double dSearchDist;
ISelectionEnvironment pSelEnv = new SelectionEnvironmentClass();
dSearchDist = Common.DataEditCommon.ConvertPixelDistanceToMapDistance(pMap as IActiveView, (double)pSelEnv.SearchTolerance);
for (int i = 0; i < lstFeatures.Count; i++)
{
pFeat = lstFeatures[i];
pGeo = pFeat.Shape;
if (pGeo.GeometryType == esriGeometryType.esriGeometryPolyline)
{
pCurve = new PolylineClass();
pCurve = pGeo as IPolyline;
}
else if (pGeo.GeometryType == esriGeometryType.esriGeometryPolygon)
{
pCurve = new PolygonClass();
pCurve = pGeo as IPolygon;
}
if (pCurve == null)
{
return(null);
}
pCurve.QueryPointAndDistance(esriSegmentExtension.esriNoExtension, pInPoint, bAsRatio, pNearPoint, dDistOnCurve, dNearDist, bRight);
if (dNearDist < dSearchDist)
{
dSearchDist = dNearDist;
pNearFeature = pFeat;
}
}
return(pNearFeature);
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
if (button == 1)
{
int dis;
IGeometry pGeoSel;
IRubberBand band = new RubberRectangularPolygonClass();
IGeometry geo = band.TrackNew(m_Display, null);
SelectionEnvironmentClass s = Class.SelectionEnv.System_Selection_Environment(m_ActiveView);
dis = Class.SelectionEnv.System_Selection_Environment(m_ActiveView).SearchTolerance;
IFeatureSelection pFeaSel = m_pCurEditLayer as IFeatureSelection;
if (shift == 1)
{
pFeaSel.CombinationMethod = esriSelectionResultEnum.esriSelectionResultAdd;
//s.CombinationMethod = esriSelectionResultEnum.esriSelectionResultAdd;
}
else
{
pFeaSel.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
this.m_ActiveView.FocusMap.ClearSelection();
}
if (geo.IsEmpty)
{
IPoint searchPoint = new PointClass();
searchPoint.PutCoords(mapX, mapY);
pGeoSel = Class.Common.DoBuffer(searchPoint, dis);
//m_ActiveView.FocusMap.SelectByShape(Class.Common.DoBuffer(searchPoint, dis), s, false);
}
else
{
pGeoSel = Class.Common.DoBuffer(geo, dis);
//m_ActiveView.FocusMap.SelectByShape(Class.Common.DoBuffer(geo, dis), s, false);
}
ISpatialFilter pSpaFilter = new SpatialFilter();
pSpaFilter.Geometry = pGeoSel;
pSpaFilter.SpatialRel = esriSpatialRelEnum.esriSpatialRelIntersects;
pFeaSel.SelectFeatures(pSpaFilter, pFeaSel.CombinationMethod, false);
m_App.Workbench.UpdateMenu();
if (m_ActiveView.FocusMap.SelectionCount > 0)
{
m_ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
else
{
m_ActiveView.Refresh();
}
}
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
//Get the scene graph
ISceneGraph pSceneGraph = m_pSceneHookHelper.SceneGraph;
//Get the scene
IScene pScene = (IScene)m_pSceneHookHelper.Scene;
IPoint pPoint;
object pOwner, pObject;
//Translate screen coordinates into a 3D point
pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pPoint, out pOwner, out pObject);
//Get a selection environment
ISelectionEnvironment pSelectionEnv;
pSelectionEnv = new SelectionEnvironmentClass();
if (Shift == 0)
{
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew;
//Clear previous selection
if (pOwner == null)
{
pScene.ClearSelection();
return;
}
}
else
{
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultAdd;
}
//If the layer is a selectable feature layer
if (pOwner is IFeatureLayer)
{
IFeatureLayer pFeatureLayer = (IFeatureLayer)pOwner;
if (pFeatureLayer.Selectable == true)
{
//Select by Shape
pScene.SelectByShape(pPoint, pSelectionEnv, false);
}
}
//Refresh the scene viewer
pSceneGraph.RefreshViewers();
}
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);
}
public void RectangleSelect(AxMapControl mapControl)
{
this.init();
IEnvelope pEnv;
pEnv = mapControl.TrackRectangle();
//新建选择集对象
ISelectionEnvironment pSelectionEnvR;
pSelectionEnvR = new SelectionEnvironmentClass();
//改变选择集的默认颜色
pSelectionEnvR.DefaultColor = pColor;
//选择要素,并将其放入选择集
mapControl.Map.SelectByShape(pEnv, pSelectionEnvR, false);
mapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection,
null, null);
}
//选择实体
private void axMapControl1_OnMouseDown(object sender, IMapControlEvents2_OnMouseDownEvent e)
{
IMap pMap;
IActiveView pActiveView;
pMap = axMapControl1.Map;
pActiveView = pMap as IActiveView;
IEnvelope pEnv;
pEnv = axMapControl1.TrackRectangle();
ISelectionEnvironment pSelectionEnv;
pSelectionEnv = new SelectionEnvironmentClass();
pSelectionEnv.DefaultColor = getRGB(110, 120, 210);
pMap.SelectByShape(pEnv, pSelectionEnv, false);
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null,
null);
}
private void axMapControlContent_OnMouseDown(object sender, ESRI.ArcGIS.Controls.IMapControlEvents2_OnMouseDownEvent e)
{
switch (e.button)
{
case 1:
#region 左键按下,进入点选激活功能模式
IMap pMap = axMapControlContent.Map;
pMap.ClearSelection();
IActiveView pActiveView = pMap as IActiveView;
IGeometry pGeometry = axMapControlContent.TrackCircle();
ISelectionEnvironment pSelectionEnv = new SelectionEnvironmentClass();
pSelectionEnv.DefaultColor = GetRGBColor(0, 255, 0);
pMap.SelectByShape(pGeometry, pSelectionEnv, false);
//获取高亮选择集要素
ISelection selection = pMap.FeatureSelection;
IEnumFeatureSetup enumFeatureSetup = selection as IEnumFeatureSetup;
enumFeatureSetup.AllFields = true;
IEnumFeature enumFeature = enumFeatureSetup as IEnumFeature;
enumFeature.Reset();
IFeature feature = enumFeature.Next();
while (feature != null)
{
label1.Text = feature.get_Value(feature.Fields.FindField("Name")).ToString();//可以得到任意字段的值
textBoxDescription.Text = feature.get_Value(feature.Fields.FindField("Description")).ToString();
label3.Text = feature.get_Value(feature.Fields.FindField("URL")).ToString();
//axMapControlContent.FlashShape(feature.Shape);
feature = enumFeature.Next();
}
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGraphicSelection, null, null);
//axMapControlContent.Refresh();
#endregion
break;
case 2:
break;
case 4://中键,pan()
axMapControlContent.Pan();
break;
default:
break;
}
}
public IEnumFeature SelectByPoint(IMap imap_0, IPoint inPoint, double pDist)
{
IGeometry ipoint0;
ISelectionEnvironment selectionEnvironmentClass = new SelectionEnvironmentClass()
{
AreaSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects,
LinearSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects
};
if (pDist <= 0)
{
ipoint0 = inPoint;
selectionEnvironmentClass.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects;
}
else
{
ipoint0 = ((ITopologicalOperator)inPoint).Buffer(pDist);
selectionEnvironmentClass.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelContains;
}
selectionEnvironmentClass.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
try
{
imap_0.SelectByShape(ipoint0, selectionEnvironmentClass, false);
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
if (cOMException.ErrorCode != -2147467259)
{
// CErrorLog.writeErrorLog(this, cOMException, "");
}
else
{
MessageBox.Show("执行查询时产生错误。空间索引不存在", "选择");
}
}
catch (Exception exception)
{
//CErrorLog.writeErrorLog(this, exception, "");
}
return((IEnumFeature)imap_0.FeatureSelection);
}
public static void SelectFeatureByPoint(IMap map,System.Drawing.Point screenPoint,int pixelTol )
{
// Construct select envelope
tagRECT r;
r.left = screenPoint.X - pixelTol;
r.right = screenPoint.X + pixelTol;
r.top = screenPoint.Y - pixelTol;
r.bottom = screenPoint.Y + pixelTol;
IEnvelope hotEnvelope=new EnvelopeClass();
// Transform for screen to map
IActiveView activeView=map as IActiveView;
IDisplayTransformation dispTransf = activeView.ScreenDisplay.DisplayTransformation;
dispTransf.TransformRect(hotEnvelope, ref r, 5);
// Create select environment
hotEnvelope.SpatialReference = map.SpatialReference;
ISelectionEnvironment selectEnviroment = new SelectionEnvironmentClass();
selectEnviroment.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
// Select by shape
map.SelectByShape(hotEnvelope, selectEnviroment, false);
}
public IEnumFeature SelectByLine(IMap pMap, IPolyline pLine, double pDist)
{
IGeometry ipolyline0;
ISelectionEnvironment selectionEnvironmentClass = new SelectionEnvironmentClass()
{
AreaSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects,
LinearSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects
};
if (pDist <= 0)
{
ipolyline0 = pLine;
selectionEnvironmentClass.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelIntersects;
}
else
{
ipolyline0 = ((ITopologicalOperator)pLine).Buffer(pDist);
selectionEnvironmentClass.PointSelectionMethod = esriSpatialRelEnum.esriSpatialRelContains;
}
selectionEnvironmentClass.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
try
{
pMap.SelectByShape(ipolyline0, selectionEnvironmentClass, false);
}
catch (COMException cOMException1)
{
COMException cOMException = cOMException1;
if (cOMException.ErrorCode != -2147467259)
{
}
else
{
MessageBox.Show("执行查询时产生错误。空间索引不存在", "选择");
}
}
catch (Exception exception)
{
}
return((IEnumFeature)pMap.FeatureSelection);
}
public override void OnMouseDown(int button, int shift, int x, int y, double mapX, double mapY)
{
try
{
IPoint pPoint = new PointClass();
pPoint.PutCoords(mapX, mapY);
FrmMapExportByCoordinate dialog = new FrmMapExportByCoordinate(pPoint);
dialog.ShowDialog();
if (dialog.DialogResult == DialogResult.OK)
{
IPointCollection pColl = new PolygonClass();
pColl.AddPoint(pPoint);
IPoint point1 = new PointClass();
point1.PutCoords(mapX + dialog.Length, mapY);
pColl.AddPoint(point1);
IPoint point2 = new PointClass();
point2.PutCoords(mapX, mapY + dialog.Width);
pColl.AddPoint(point2);
IPoint point3 = new PointClass();
point3.PutCoords(mapX + dialog.Length, mapY + dialog.Width);
pColl.AddPoint(point3);
IGeometry pGeo = pColl as IGeometry;
DF2DApplication app = DF2DApplication.Application;
IMap pMap = app.Current2DMapControl.Map;
ISelectionEnvironment selEnv = new SelectionEnvironmentClass();
pMap.SelectByShape(pGeo, selEnv, false);
ISelection pSelection = pMap.FeatureSelection;
FrmDxfExport dialog1 = new FrmDxfExport(pSelection, pMap);
WaitForm.Stop();
dialog1.ShowDialog();
}
}
catch (System.Exception ex)
{
}
}
protected override void OnMouseDown(ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs e)
{
IScreenDisplay screenDisplay = ArcMap.Document.ActiveView.ScreenDisplay;
//创建选取多边形
IRubberBand pRubberPolygon = new RubberPolygonClass();
IPolygon pPolygon = pRubberPolygon.TrackNew(screenDisplay, null) as IPolygon;
//构建选取环境；选取对象颜色为红色；选取方法为累加
SelectionEnvironment se = new SelectionEnvironmentClass();
se.DefaultColor = getRGB(255, 0, 0);
se.CombinationMethod = esriSelectionResultEnum.esriSelectionResultAdd;
//选取要素
IMap map = ArcMap.Document.FocusMap;
map.SelectByShape(pPolygon, se, false);
//刷新屏幕
ArcMap.Document.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
public static SelectionEnvironmentClass System_Selection_Environment(IActiveView activeView)
{
if (m_System_SelectionEnvironment == null)
{
m_System_SelectionEnvironment = new SelectionEnvironmentClass();
}
double tol = Class.Common.ConvertPixelsToMapUnits(activeView, m_Tolerate);
m_System_SelectionEnvironment.PointSearchDistance = m_Tolerate;
m_System_SelectionEnvironment.LinearSearchDistance = m_Tolerate;
m_System_SelectionEnvironment.AreaSearchDistance = m_Tolerate;
m_System_SelectionEnvironment.PointSelectionMethod = (esriSpatialRelEnum)m_SelectRelation;
m_System_SelectionEnvironment.LinearSelectionMethod = (esriSpatialRelEnum)m_SelectRelation;
m_System_SelectionEnvironment.AreaSelectionMethod = (esriSpatialRelEnum)m_SelectRelation;
m_System_SelectionEnvironment.ClearInvisibleLayers = m_ClearInVisible;
m_System_SelectionEnvironment.CombinationMethod = (esriSelectionResultEnum)m_ResultMethod;
m_System_SelectionEnvironment.DefaultColor = Class.Common.GetSelectionColor(m_DefaultColorRGB);
m_System_SelectionEnvironment.SearchTolerance = m_Tolerate;
return(m_System_SelectionEnvironment);
}
/// <summary>
/// 地图缩放至指定图形并以选中形式闪烁
/// </summary>
/// <param name="axMapControl">地图控件</param>
/// <param name="control">任意主线程窗体控件（axMapCtontrol除外）</param>
/// <param name="geometry">闪烁的图像</param>
/// <param name="nFlashes">闪烁次数</param>
public static void MapZoomToSelectFlash(this AxMapControl axMapControl, System.Windows.Forms.Control control, IGeometry geometry, int nFlashes = 2)
{
MapZoomTo(axMapControl.ActiveView, geometry);
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
pSelectionEnvironment.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
Thread th = new Thread(delegate(object data)
{
for (int i = 0; i < nFlashes; i++)
{
Thread.Sleep(50);
control.Invoke(new Action(() =>
{
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
axMapControl.Map.SelectByShape(geometry, pSelectionEnvironment, true);
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}));
Thread.Sleep(100);
control.Invoke(new Action(() =>
{
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
axMapControl.Map.ClearSelection();
axMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}));
}
var stopThreadDelegate = (StopThreadDelegate)data;
stopThreadDelegate(Thread.CurrentThread);//停止线程
});
th.Start(new StopThreadDelegate((thread) =>
{
thread.Abort();
}));
}
public override void OnDblClick()
{
try
{
ArcGIS.Common.Editor.Editor.StartEditOperation();
if (_lineFeedback == null)
{
return;
}
_polyline = _lineFeedback.Stop();
if (_lineFeedback != null)
{
_context.ActiveView.Refresh();
_lineFeedback = null;
}
if (_polyline == null)
{
return;
}
ISelectionEnvironment selectionEnvironment = new SelectionEnvironmentClass();
selectionEnvironment.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
_context.FocusMap.SelectByShape(_polyline, selectionEnvironment, false);
ISelection selection = _context.FocusMap.FeatureSelection;
IEnumFeatureSetup enumFeatureSetup = selection as IEnumFeatureSetup;
IEnumFeature enumFeature = enumFeatureSetup as IEnumFeature;
if (enumFeature == null)
{
return;
}
enumFeature.Reset();
IFeature feature;
List <MultiCheQiModel> modelList = new List <MultiCheQiModel>();
while ((feature = enumFeature.Next()) != null)
{
IFeatureClass featureClass = feature.Class as IFeatureClass;
if (featureClass == null)
{
continue;
}
IFeatureLayer featureLayer =
_multiCheQiConfig.FlagLayerList.FirstOrDefault(
c => c.FeatureClass.FeatureClassID == featureClass.FeatureClassID);
if (featureLayer == null)
{
continue;
}
modelList.Add(new MultiCheQiModel(featureLayer, feature, _multiCheQiConfig.FieldSettingList, _polyline));
}
if (modelList.Count <= 0)
{
return;
}
_context.ActiveView.ScreenDisplay.StartDrawing(_context.ActiveView.ScreenDisplay.hDC, 0);
IAnnotationClassExtension annotationClassExtension = _multiCheQiConfig.FlagAnnoLayer.FeatureClass.Extension as IAnnotationClassExtension;
IElement headerElement = CommonHelper.CreateHeaderElements(_multiCheQiConfig, _polyline.ToPoint);
IFeature headerFeature = _multiCheQiConfig.FlagAnnoLayer.FeatureClass.CreateFeature();
IAnnotationFeature headerAnnotationFeature = headerFeature as IAnnotationFeature;
headerAnnotationFeature.Annotation = headerElement;
headerFeature.Store();
double xLength = headerFeature.Shape.Envelope.Width;
double yLength = headerFeature.Shape.Envelope.Height;
IPoint headerPoint = new PointClass();
headerPoint.X = (headerElement.Geometry as IPoint).X - xLength / 2;
headerPoint.Y = (headerElement.Geometry as IPoint).Y + yLength * (modelList.Count + 0.5);
headerElement.Geometry = headerPoint;
headerAnnotationFeature.Annotation = headerElement;
headerFeature.Store();
annotationClassExtension.Draw(headerAnnotationFeature, _context.ActiveView.ScreenDisplay, null);
List <MultiCheQiModel> models = new List <MultiCheQiModel>(modelList.OrderBy(c => c.Distance));
List <IElement> elements = CommonHelper.CreateContentElements(_multiCheQiConfig, models,
headerElement.Geometry as IPoint, headerFeature.Shape.Envelope.Width,
headerFeature.Shape.Envelope.Height);
foreach (IElement element in elements)
{
IFeature contentFeature = _multiCheQiConfig.FlagAnnoLayer.FeatureClass.CreateFeature();
IAnnotationFeature contentAnnotationFeature = contentFeature as IAnnotationFeature;
contentAnnotationFeature.Annotation = element;
contentFeature.Store();
annotationClassExtension.Draw(contentAnnotationFeature, _context.ActiveView.ScreenDisplay, null);
}
_context.ActiveView.ScreenDisplay.FinishDrawing();
IPointCollection pointCollection = _polyline as IPointCollection;
IPoint point1 = new PointClass();
point1.X = _polyline.ToPoint.X - xLength;
point1.Y = _polyline.ToPoint.Y;
IPoint point2 = new PointClass();
point2.X = _polyline.ToPoint.X - xLength;
point2.Y = _polyline.ToPoint.Y + yLength * (modelList.Count + 1);
pointCollection.AddPoint(point1);
pointCollection.AddPoint(point2);
IFeature lineFeature = _multiCheQiConfig.FlagLineLayer.FeatureClass.CreateFeature();
lineFeature.Shape = pointCollection as IPolyline;
lineFeature.Store();
_context.ActiveView.Refresh();
}
catch (Exception exception)
{
MessageBox.Show(exception.Message);
}
finally
{
ArcGIS.Common.Editor.Editor.StopEditOperation();
}
}
public static void SelectFeatureByPolygon(IMap map,IPolygon polygon)
{
ISelectionEnvironment selectEnv = new SelectionEnvironmentClass();
selectEnv.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
map.SelectByShape(polygon, selectEnv, false);
}
static void Main()
{
//ESRI License Initializer generated code.
if (!RuntimeManager.Bind(ESRI.ArcGIS.ProductCode.EngineOrDesktop))
{
MessageBox.Show("没有安装ArcGIS", "提示", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
DevExpress.UserSkins.BonusSkins.Register();
DevExpress.Skins.SkinManager.EnableFormSkins();
//扩展许可判断
IAoInitialize m_AoInitialize = new AoInitialize();
esriLicenseStatus status = m_AoInitialize.Initialize(esriLicenseProductCode.esriLicenseProductCodeEngineGeoDB);
if (status == esriLicenseStatus.esriLicenseFailure || status == esriLicenseStatus.esriLicenseNotLicensed)
{
MessageBox.Show(string.Format("当前ArcGIS权限不足"));
return;
}
//m_AoInitialize.IsProductCodeAvailable(esriLicenseProductCode.esriLicenseProductCodeEngineGeoDB);
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
//check the config file
Fan.Common.frmDBSet setDbFrom = null;
if (!System.IO.File.Exists(Fan.Common.ModuleConfig.m_ConnectFileName))
{
setDbFrom = new Fan.Common.frmDBSet();
if (setDbFrom.ShowDialog() != DialogResult.OK)
{
return;
}
else
{
Mod.m_SysDbOperate = setDbFrom.Dbop;
}
}
else
{
//Read The Connect Info from the config file
Fan.DataBase.DBConfig dbConfig = new Fan.DataBase.DBConfig();
dbConfig.ReadConfigFromFile(Fan.Common.ModuleConfig.m_ConnectFileName);
Fan.DataBase.DBOperatorFactory dbFac = new Fan.DataBase.DBOperatorFactory(dbConfig);
Mod.m_SysDbOperate = dbFac.GetDbOperate();
if (Mod.m_SysDbOperate == null || !Mod.m_SysDbOperate.TestConnect())
{
setDbFrom = new Fan.Common.frmDBSet();
if (setDbFrom.ShowDialog() != DialogResult.OK)
{
return;
}
else
{
Mod.m_SysDbOperate = setDbFrom.Dbop;
}
}
}
if (setDbFrom != null)
{
setDbFrom.Dispose();
}
frmLogin LoginFrom = new frmLogin();
//登陆主窗体条件设置
if (LoginFrom.ShowDialog() == DialogResult.OK)
{
LoginFrom.Dispose();
ISelectionEnvironmentThreshold threshold = new SelectionEnvironmentClass();
threshold.WarningThreshold = 2000;
Application.Run(new frmMain());
}
else
{
return;
}
//m_AoInitialize.Shutdown();
//m_AoInitialize = null;
m_AOLicenseInitializer.ShutdownApplication();
m_AOLicenseInitializer = null;
}
private void FeatureSelectWhenMouseMove(IPoint pointCentre, IPoint pointMouseMoveTo, EnumSelectMode SelectMode)
{
double currentRadius = FunctionCommon.GetDistance2P(m_PointCentre, pointMouseMoveTo);
//1 选择半径太大，不响应
if (currentRadius > GlobeStatus.Setting.PixelMaxRadius * GlobeStatus.MapUnit)
{
return;
}
//2 变化距离太小，不响应
double distanceChange = currentRadius - m_LastRadius;
if (Math.Abs(distanceChange) < GlobeStatus.Setting.PixelRadiusChangeLimit * GlobeStatus.MapUnit)
{
return;
}
//3 开始选择
IGeometry pGeometry = FunctionCommon.GetCircleGeometry(m_PointCentre, currentRadius);
ISelectionEnvironment env = new SelectionEnvironmentClass();
env.CombinationMethod = esriSelectionResultEnum.esriSelectionResultNew;
GlobeStatus.Map.SelectByShape(pGeometry, env, false);
}
/// <summary>
/// 地图定位方法
/// </summary>
/// <param name="layerNames">图层名称</param>
/// <param name="pColumnContent">要定位网元的名称内容</param>
public bool Locate(string layerNames, string pColumnContent)
{
IFeatureLayer pFeatureLayer = null;
string ColumnName = null;//图层中小区对应的名称
string columnLON = null;
string columnLAT = null;
switch (layerNames)
{
case LayerNames.GSM900Cell:
{
pFeatureLayer = GISMapApplication.Instance.GetLayer(LayerNames.GSM900Cell) as IFeatureLayer;
ColumnName = "cellname";
columnLON = "longitude";
columnLAT = "latitude";
break;
}
case LayerNames.GSM1800Cell:
{
pFeatureLayer = GISMapApplication.Instance.GetLayer(LayerNames.GSM1800Cell) as IFeatureLayer;
ColumnName = "cellname";
columnLON = "longitude";
columnLAT = "latitude";
break;
}
}
if (pFeatureLayer == null)
{
return(false);
}
IFeatureClass pFeatureClass = pFeatureLayer.FeatureClass;
IQueryFilter queryFilter = new QueryFilter();
queryFilter.WhereClause = ColumnName + "='" + pColumnContent + "'";
IFeatureCursor pFCursor = pFeatureClass.Search(queryFilter, false);
IFeature pFeature = pFCursor.NextFeature();
while (pFeature != null)
{
int indexOfName = pFeatureClass.FindField(ColumnName);
int indexLon = pFeatureClass.FindField(columnLON);
int indexLat = pFeatureClass.FindField(columnLAT);
if (pFeature.get_Value(indexOfName).ToString() == pColumnContent)
{
//定位到查询的图元
double lon = Convert.ToDouble(pFeature.get_Value(indexLon));
double lat = Convert.ToDouble(pFeature.get_Value(indexLat));
ISelectionEnvironment pSelectionEnv = new SelectionEnvironmentClass();
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew;
if (pFeatureLayer.Selectable == true)
{
GISMapApplication.Instance.Scene.ClearSelection();
ICommand pCommand = new ControlsZoomToSelectedCommandClass();
//Select by Shape
IPoint pNewCenterPoint = new PointClass();
pNewCenterPoint.X = lon;
pNewCenterPoint.Y = lat;
PointConvert.Instance.GetProjectPoint(pNewCenterPoint);
pSelectionEnv.DefaultColor = GISUtil.GetRGB(255, 0, 0);
// 定位居中
ILayer referLayer = GISMapApplication.Instance.GetLayer("建筑物");//定位居中参照图层。
IEnvelope pEnvelope = referLayer.AreaOfInterest;
//IEnvelope pEnvelope = pFeatureLayer.AreaOfInterest;
pEnvelope.CenterAt(pNewCenterPoint);
pEnvelope.Expand(0.1, 0.1, true);
GISMapApplication.Instance.FullExtent(pEnvelope);
//GISMapApplication.Instance.Scene.ClearSelection();
//GISMapApplication.Instance.Scene.SelectByShape(pFeature.Shape, pSelectionEnv, true);
GISMapApplication.Instance.Scene.SelectFeature(pFeatureLayer, pFeature);
HandlerFeatureData(layerNames, pFeature);
return(true);
}
}
}
return(false);
}
//选择要素
private void ctMenuMNSelectFeature_Click(object sender, EventArgs e)
{
IMap pMap = this.mainMapControl.Map;
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
pSelectionEnvironment.LinearSearchDistance = this.mainMapControl.ActiveView.Extent.Width / 200;
pSelectionEnvironment.PointSearchDistance = this.mainMapControl.ActiveView.Extent.Width / 200;
pMap.SelectByShape(this.mapRightClickPoint as IGeometry, null, false);
this.mainMapControl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (m_pActiveView == null || Button != 1)
{
return;
}
ArrayList pSelected = new ArrayList();
IFeatureClass pFeatureClass;
IPoint pPoint;
ISelectionEnvironment pSelectionEnvironment;
IFeature pFeature;
IGeometry pGeometry;
ITopologicalOperator pTopolagicalOperator;
double dLength;
IEnvelope pSrchEnv;
pSelectionEnvironment = new SelectionEnvironmentClass();
dLength = pSelectionEnvironment.SearchTolerance;
pPoint = m_pActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
pPoint = GIS.GraphicEdit.SnapSetting.getSnapPoint(pPoint);
pGeometry = pPoint;
dLength = Common.DataEditCommon.ConvertPixelDistanceToMapDistance(m_pActiveView, dLength);
pSrchEnv = pPoint.Envelope;
pSrchEnv.Width = dLength;
pSrchEnv.Height = dLength;
pSrchEnv.CenterAt(pPoint);
pTopolagicalOperator = (ITopologicalOperator)pGeometry;
IGeometry pBuffer = pTopolagicalOperator.Buffer(dLength);
pGeometry = pBuffer;
IFeatureLayer pFeatureLayer;
IFeature pFeat = null;
IMap pMap = m_hookHelper.FocusMap;
//for (int i = 0; i < pMap.LayerCount; i++)
//{
//if (pMap.get_Layer(i).Name !=Common.DataEditCommon.g_pLayer.Name) continue;//20140216 lyf ֻ�Ե�ǰѡ��ͼ�����
//if (pMap.get_Layer(i).Visible == false || !(pMap.get_Layer(i) is IFeatureLayer))
//{
// continue;
//}
if (Common.DataEditCommon.g_pLayer == null) return;
pFeatureLayer = Common.DataEditCommon.g_pLayer as IFeatureLayer;
pFeatureClass = pFeatureLayer.FeatureClass;
if (pFeatureClass == null)
{
return;
}
IIdentify2 pID = pFeatureLayer as IIdentify2;
IArray pArray = pID.Identify(pSrchEnv, null);
//20140216 lyf û��ѡ��ͼԪ�������
if (pArray == null)
{
MessageBox.Show(@"δѡ�е�ǰͼ���ͼԪ��", "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
//continue;
return;
}
IFeatureIdentifyObj pFeatIdObj;
IRowIdentifyObject pRowObj;
if (pArray != null)
{
for (int j = 0; j < pArray.Count; j++)
{
if (pArray.Element[j] is IFeatureIdentifyObj)
{
pFeatIdObj = pArray.Element[j] as IFeatureIdentifyObj;
pRowObj = pFeatIdObj as IRowIdentifyObject;
pFeature = pRowObj.Row as IFeature;
pSelected.Add(pFeature);
pSelected.Add(pFeatureLayer.Name);
pSelected.Add(0);
}
}
pArray.RemoveAll();
}
//}
GetClosestFeatureInCollection(dLength, pSelected, pPoint, ref pFeat);
if (pFeat != null)
{
if (m_pfrmFeatureAttribute == null)
{
m_pfrmFeatureAttribute = new FeatureAttribute(pFeat);
m_pfrmFeatureAttribute.StartPosition = FormStartPosition.CenterParent;
m_pfrmFeatureAttribute.Show();
}
else
{
m_pfrmFeatureAttribute.Close();
m_pfrmFeatureAttribute.Dispose();
m_pfrmFeatureAttribute = new FeatureAttribute(pFeat);
m_pfrmFeatureAttribute.StartPosition = FormStartPosition.CenterParent;
m_pfrmFeatureAttribute.Show();
}
}
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
try
{
if (Button == 1)
{
IPoint pPnt = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
ISelectionEnvironment pSelEnv = new SelectionEnvironmentClass();
pSelEnv.SearchTolerance = 3;
pSelEnv.CombinationMethod = esriSelectionResultEnum.esriSelectionResultAdd; //����µ�ѡ��Ҫ��
m_hookHelper.FocusMap.SelectByShape(m_pMapControl.TrackRectangle(), pSelEnv, false);
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
//GIS.GraphicEdit.FeatureSelect featSelectTool = new GraphicEdit.FeatureSelect();
//featSelectTool.OnCreate(m_hookHelper.Hook);
//m_pMapControl.CurrentTool = featSelectTool;
m_FeatureExtend = GetExtendLine();
if (m_FeatureExtend != null && m_FeatureRef != null)
{
bool bSuccess = ExtendLine(m_FeatureExtend, m_FeatureRef);
if (bSuccess)
{
m_hookHelper.FocusMap.ClearSelection();
m_hookHelper.ActiveView.Refresh();
}
else
{
MessageBox.Show(@"������ǰ��ѡ��Ҫ�����쵽�ο���", "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
else if (Button == 2)
{
//switch (m_MouseDownCount)
//{
// case 0:
// if (m_hookHelper.FocusMap.SelectionCount == 1)
// {
// m_FeatureRef = GetRefPolyline();
// m_MouseDownCount = 1;
// }
// break;
// case 1:
// if (m_hookHelper.FocusMap.SelectionCount > 1)
// {
// m_FeatureExtend= GetExtendLine();
// m_MouseDownCount = 2;
// }
// break;
// case 2:
// m_MouseDownCount = 0;
// //if (m_FeatureExtend != null && m_FeatureRef != null)
// //{
// // bool bSuccess = ExtendLine(m_FeatureExtend, m_FeatureRef);
// // m_hookHelper.FocusMap.ClearSelection();
// // m_hookHelper.ActiveView.Refresh();
// //}
// //else
// //{
// // MessageBox.Show("����ѡ����Ҫ�������Ҫ��", "��ʾ", MessageBoxButtons.OK, MessageBoxIcon.Information);
// //}
// break;
//}
}
}
catch { }
}
//�õ���꿿���ĵ���
public IFeature GetCloseFeature(IMap pMap, IPoint pPoint, List<IFeature> lstFeatures)
{
if (pPoint == null || lstFeatures == null || lstFeatures.Count < 1)
return null;
IFeature pFeat;
IGeometry pGeo;
ICurve pCurve = null;
IPoint pInPoint = null;
bool bAsRatio = false;
IPoint pNearPoint = null;
double dDistOnCurve = 0;
double dNearDist = 0;
bool bRight = false;
IFeature pNearFeature = null;
double dSearchDist;
ISelectionEnvironment pSelEnv = new SelectionEnvironmentClass();
dSearchDist = Common.DataEditCommon.ConvertPixelDistanceToMapDistance(pMap as IActiveView, (double)pSelEnv.SearchTolerance);
for (int i = 0; i < lstFeatures.Count; i++)
{
pFeat = lstFeatures[i];
pGeo = pFeat.Shape;
if (pGeo.GeometryType == esriGeometryType.esriGeometryPolyline)
{
pCurve = new PolylineClass();
pCurve = pGeo as IPolyline;
}
else if (pGeo.GeometryType == esriGeometryType.esriGeometryPolygon)
{
pCurve = new PolygonClass();
pCurve = pGeo as IPolygon;
}
if (pCurve == null)
return null;
pCurve.QueryPointAndDistance(esriSegmentExtension.esriNoExtension, pInPoint, bAsRatio, pNearPoint, dDistOnCurve, dNearDist, bRight);
if (dNearDist < dSearchDist)
{
dSearchDist = dNearDist;
pNearFeature = pFeat;
}
}
return pNearFeature;
}
/// <summary>
/// ���Ե��λ���Ƿ����Feature
/// </summary>
/// <params name="m_hookHelper"></params>
/// <params name="X"></params>
/// <params name="Y"></params>
/// <params name="theFeature"></params>
public static void TestExistFeature(IHookHelper m_hookHelper, int X, int Y, ref IFeature theFeature)
{
ArrayList pSelected = new ArrayList();
IFeatureClass pFeatureClass;
IPoint pPoint;
ISelectionEnvironment pSelectionEnvironment;
IFeature pFeature;
IGeometry pGeometry;
ITopologicalOperator pTopolagicalOperator;
double dLength;
IEnvelope pSrchEnv;
pSelectionEnvironment = new SelectionEnvironmentClass();
dLength = pSelectionEnvironment.SearchTolerance;
pPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
pGeometry = pPoint;
dLength = ConvertPixelDistanceToMapDistance(m_hookHelper.ActiveView, dLength);
pSrchEnv = pPoint.Envelope;
pSrchEnv.Width = dLength;
pSrchEnv.Height = dLength;
pSrchEnv.CenterAt(pPoint);
pTopolagicalOperator = (ITopologicalOperator)pGeometry;
IGeometry pBuffer = pTopolagicalOperator.Buffer(dLength);
pGeometry = pBuffer;
IFeatureLayer pFeatureLayer;
IFeature pFeat = null;
IMap pMap = m_hookHelper.FocusMap;
List<ILayer> list = GetLayerListByKey(DataEditCommon.g_pMap, "Ĭ��");
for (int i = 0; i < list.Count; i++)
{
if (list[i].Visible == false || list[i] is IFeatureLayer == false)
{
continue;
}
pFeatureLayer = list[i] as IFeatureLayer;
pFeatureClass = pFeatureLayer.FeatureClass;
if (pFeatureClass == null)
{
return;
}
IIdentify2 pID = pFeatureLayer as IIdentify2;
IArray pArray = pID.Identify(pSrchEnv, null);
IFeatureIdentifyObj pFeatIdObj;
IRowIdentifyObject pRowObj;
if (pArray != null)
{
for (int j = 0; j < pArray.Count; j++)
{
if (pArray.Element[j] is IFeatureIdentifyObj)
{
pFeatIdObj = pArray.Element[j] as IFeatureIdentifyObj;
pRowObj = pFeatIdObj as IRowIdentifyObject;
pFeature = pRowObj.Row as IFeature;
pSelected.Add(pFeature);
pSelected.Add(pFeatureLayer.Name);
pSelected.Add(i);
}
}
pArray.RemoveAll();
}
}
GetClosestFeatureInCollection(m_hookHelper, list, dLength, pSelected, pPoint, ref pFeat);
if (pFeat != null)
theFeature = pFeat;
else
theFeature = null;
}
public static void SnapFeaturePoint(IFeature pFeature, IHookHelper m_hookHelper, IPoint m_pSnapPoint, int X, int Y)
{
if (pFeature.Shape.GeometryType == esriGeometryType.esriGeometryPoint)
{
IPoint pPoint = (IPoint)pFeature.Shape;
int x = 0;
int y = 0;
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(pPoint, out x, out y);
System.Drawing.Point pPointScreen = new System.Drawing.Point();
GetCursorPos(ref pPointScreen);
int width = x - X;
int height = y - Y;
pPointScreen.X = pPointScreen.X + width;
pPointScreen.Y = pPointScreen.Y + height;
SetCursorPos(pPointScreen.X, pPointScreen.Y);
m_pSnapPoint = pPoint;
}
IPointCollection m_pPointCol;
if (pFeature.Shape.GeometryType == esriGeometryType.esriGeometryPolyline)
m_pPointCol = new Polyline();
else if (pFeature.Shape.GeometryType == esriGeometryType.esriGeometryPolygon)
m_pPointCol = new Polygon();
else
return;
IPointCollection pPntCol;
IGeometryCollection pGeoCollection = (IGeometryCollection)pFeature.Shape;
for (int i = 0; i < pGeoCollection.GeometryCount; i++)
{
IGeometry pGeom = pGeoCollection.get_Geometry(i);
pPntCol = (IPointCollection)pGeom;
m_pPointCol.AddPointCollection(pPntCol);
}
IPoint pProximity = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
List<double> pdistance = new List<double>();
for (int i = 0; i < m_pPointCol.PointCount; i++)
{
double tempDist = (m_pPointCol.Point[i].X - pProximity.X) * (m_pPointCol.Point[i].X - pProximity.X) +
(m_pPointCol.Point[i].Y - pProximity.Y) * (m_pPointCol.Point[i].Y - pProximity.Y);
pdistance.Add(tempDist);
}
double dbD = double.MaxValue;
int index = -1;
for (int i = 0; i < pdistance.Count; i++)
{
if (pdistance[i] < dbD)
{ dbD = pdistance[i]; index = i; }
}
ISelectionEnvironment pSelectionEnvironment;
pSelectionEnvironment = new SelectionEnvironmentClass();
double dLength = pSelectionEnvironment.SearchTolerance;
dLength = DataEditCommon.ConvertPixelDistanceToMapDistance(m_hookHelper.ActiveView, dLength);
dLength = dLength * dLength;
if (dbD < dLength)
{
m_pSnapPoint = m_pPointCol.Point[index];
System.Drawing.Point pPointScreen = new System.Drawing.Point();
GetCursorPos(ref pPointScreen);
int x = 0;
int y = 0;
m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.FromMapPoint(m_pSnapPoint, out x, out y);
int width = x - X;
int height = y - Y;
pPointScreen.X = pPointScreen.X + width;
pPointScreen.Y = pPointScreen.Y + height;
SetCursorPos(pPointScreen.X, pPointScreen.Y);
}
else
m_pSnapPoint = null;
}
private void _selectFeaturesByShape(object shape)
{
this._axMapCtrl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
ISelectionEnvironment pSelectionEnvironment = new SelectionEnvironmentClass();
pSelectionEnvironment.CombinationMethod =
esriSelectionResultEnum.esriSelectionResultNew;
this._axMapCtrl.Map.SelectByShape((IGeometry)shape, pSelectionEnvironment, false);
this._axMapCtrl.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
public override void OnMouseDown(int Button, int Shift, int X, int Y)
{
if (Button != 1)
{
return;
}
//设置点选择容差
ISelectionEnvironment pSelectEnv = new SelectionEnvironmentClass();
double Length = ModPublic.ConvertPixelsToMapUnits(m_hookHelper.ActiveView, pSelectEnv.SearchTolerance);
IPoint pPoint = m_hookHelper.ActiveView.ScreenDisplay.DisplayTransformation.ToMapPoint(X, Y);
IGeometry pGeometry = pPoint as IGeometry;
ITopologicalOperator pTopo = pGeometry as ITopologicalOperator;
IGeometry pBuffer = pTopo.Buffer(Length);
//仅与框架别界相交地物会被选取
pGeometry = m_MapControl.TrackRectangle() as IGeometry;
bool bjustone = true;
if (pGeometry != null)
{
if (pGeometry.IsEmpty)
{
pGeometry = pBuffer;
}
else
{
bjustone = false;
}
}
else
{
pGeometry = pBuffer;
}
UID pUID = new UIDClass();
pUID.Value = "{40A9E885-5533-11d0-98BE-00805F7CED21}"; //UID for IFeatureLayer
IEnumLayer pEnumLayer = m_MapControl.Map.get_Layers(pUID, true);
pEnumLayer.Reset();
ILayer pLayer = pEnumLayer.Next();
while (pLayer != null)
{
if (pLayer.Visible == false)
{
pLayer = pEnumLayer.Next();
continue;
}
IFeatureLayer pFeatureLayer = pLayer as IFeatureLayer;
if (pFeatureLayer.Selectable == false)
{
pLayer = pEnumLayer.Next();
continue;
}
GetSelctionSet(pFeatureLayer, pGeometry, bjustone, Shift);
pLayer = pEnumLayer.Next();
}
//触发Map选择发生变化事件
ISelectionEvents pSelectionEvents = m_hookHelper.FocusMap as ISelectionEvents;
pSelectionEvents.SelectionChanged();
//刷新
m_hookHelper.ActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, m_hookHelper.ActiveView.Extent);
AttributeShow();
}
public override void OnMouseUp(int Button, int Shift, int X, int Y)
{
//Get the scene graph
ISceneGraph pSceneGraph = m_pSceneHookHelper.SceneGraph;
//Get the scene
IScene pScene = (IScene) m_pSceneHookHelper.Scene;
IPoint pPoint;
object pOwner, pObject;
//Translate screen coordinates into a 3D point
pSceneGraph.Locate(pSceneGraph.ActiveViewer, X, Y, esriScenePickMode.esriScenePickGeography, true, out pPoint, out pOwner, out pObject);
//Get a selection environment
ISelectionEnvironment pSelectionEnv;
pSelectionEnv = new SelectionEnvironmentClass();
if(Shift == 0)
{
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultNew;
//Clear previous selection
if(pOwner == null)
{
pScene.ClearSelection();
return;
}
}
else
pSelectionEnv.CombinationMethod = ESRI.ArcGIS.Carto.esriSelectionResultEnum.esriSelectionResultAdd;
//If the layer is a selectable feature layer
if(pOwner is IFeatureLayer)
{
IFeatureLayer pFeatureLayer = (IFeatureLayer) pOwner;
if(pFeatureLayer.Selectable == true)
{
//Select by Shape
pScene.SelectByShape(pPoint, pSelectionEnv, false);
}
}
//Refresh the scene viewer
pSceneGraph.RefreshViewers();
}
private void axMapControlContent_OnMouseMove(object sender, IMapControlEvents2_OnMouseMoveEvent e)
{
IActiveView pActiveView = axMapControlContent.ActiveView;
IMap pMap = axMapControlContent.Map;
// 得到一个Envelop对象
IPoint point;
point = axMapControlContent.ToMapPoint(e.x, e.y);
// 新建选择集环境对象
ISelectionEnvironment pSelectionEnv;
pSelectionEnv = new SelectionEnvironmentClass();
pSelectionEnv.DefaultColor = GetRGBColor(233, 150, 122);
// 选择要素，将它们放入到选择集
pMap.SelectByShape(point, pSelectionEnv, true);
//获取高亮选择集要素
ISelection selection = pMap.FeatureSelection;
IEnumFeatureSetup enumFeatureSetup = selection as IEnumFeatureSetup;
enumFeatureSetup.AllFields = true;
IEnumFeature enumFeature = enumFeatureSetup as IEnumFeature;
enumFeature.Reset();
IFeature feature = enumFeature.Next();
while (feature != null)
{
label1.Text = feature.get_Value(feature.Fields.FindField("Name")).ToString();//可以得到任意字段的值
textBoxDescription.Text = feature.get_Value(feature.Fields.FindField("Description")).ToString();
label3.Text = feature.get_Value(feature.Fields.FindField("URL")).ToString();
feature = enumFeature.Next();
}
pActiveView.PartialRefresh(esriViewDrawPhase.esriViewGeoSelection, null, null);
}
/// <summary>
/// �ж���������������Ҫ��
/// </summary>
/// <params name="m_hookHelper"></params>
/// <params name="pMousePoint">����</params>
/// <params name="pFeatureLayer">���ߵ�ͼ��</params>
/// <params name="theFeature">�������������ĵ��ߵ�</params>
public void TestExistPointFeature(IHookHelper m_hookHelper, IPoint pMousePoint, IFeatureLayer pFeatureLayer, ref IFeature theFeature)
{
ArrayList pSelected = new ArrayList();
IFeatureClass pFeatureClass;
ISelectionEnvironment pSelectionEnvironment;
IFeature pFeature=null;
IGeometry pGeometry;
ITopologicalOperator pTopolagicalOperator;
double dLength;
IEnvelope pSrchEnv;
pSelectionEnvironment = new SelectionEnvironmentClass();
dLength = pSelectionEnvironment.SearchTolerance;
pGeometry = pMousePoint;
dLength = DataEditCommon.ConvertPixelDistanceToMapDistance(m_hookHelper.ActiveView, dLength);
pSrchEnv = pMousePoint.Envelope;
pSrchEnv.Width = dLength;
pSrchEnv.Height = dLength;
pSrchEnv.CenterAt(pMousePoint);
pTopolagicalOperator = (ITopologicalOperator)pGeometry;
IGeometry pBuffer = pTopolagicalOperator.Buffer(dLength);
pGeometry = pBuffer;
IFeature pFeat = null;
IMap pMap = m_hookHelper.FocusMap;
pFeatureClass = pFeatureLayer.FeatureClass;
IIdentify2 pID = pFeatureLayer as IIdentify2;
//IArray pArray = pID.Identify(pSrchEnv, null);
IArray pArray = pID.Identify(pGeometry, null);
IFeatureIdentifyObj pFeatIdObj;
IRowIdentifyObject pRowObj;
if (pArray != null)
{
for (int j = 0; j < pArray.Count; j++)
{
if (pArray.Element[j] is IFeatureIdentifyObj)
{
pFeatIdObj = pArray.Element[j] as IFeatureIdentifyObj;
pRowObj = pFeatIdObj as IRowIdentifyObject;
pFeature = pRowObj.Row as IFeature;
pSelected.Add(pFeature);
}
}
pArray.RemoveAll();
}
theFeature = pFeature;
return;
//GetClosestFeatureInCollection(m_hookHelper, dLength, pSelected, pMousePoint, ref pFeat);
//if (pFeat != null)
// theFeature = pFeat;
//else
// theFeature = null;
}
