public Group AddGroup(short label, List <uint> nodeIds) { if (HasGroup(nodeIds)) { return(null); } List <Node> nodeList = nodeIds.Select <uint, Node>(delegate(uint id) { Node v = FindNode(id); if (v == null) { return(null); } if (v.Group != null) { v.Group.RemoveMember(v); } return(v); }).ToList(); if (nodeList.Exists(v => v == null)) { return(null); } Group g = new Group(this, label, nodeList); GroupLayer.Add(g); return(g); }
public bool MoveToGroupLayer(string theGroupLayerName, ILayer aLayer, bool Messages = false) { bool blExists = false; IGroupLayer myGroupLayer = new GroupLayer(); // Does the group layer exist? if (GroupLayerExists(theGroupLayerName)) { myGroupLayer = (IGroupLayer)GetGroupLayer(theGroupLayerName); blExists = true; } else { myGroupLayer.Name = theGroupLayerName; } string theOldName = aLayer.Name; // Remove the original instance, then add it to the group. RemoveLayer(aLayer); myGroupLayer.Add(aLayer); if (!blExists) { // Add the layer to the map. IMap pMap = GetMap(); pMap.AddLayer(myGroupLayer); } RefreshTOC(); return true; }
public void Execute(ESRI.ArcGIS.esriSystem.IArray paramvalues, ESRI.ArcGIS.esriSystem.ITrackCancel TrackCancel, ESRI.ArcGIS.Geoprocessing.IGPEnvironmentManager envMgr, ESRI.ArcGIS.Geodatabase.IGPMessages message) { try { IGPUtilities3 gpUtilities3 = new GPUtilitiesClass(); if (TrackCancel == null) { TrackCancel = new CancelTrackerClass(); } IGPValue inputLayersGPValue = gpUtilities3.UnpackGPValue(paramvalues.get_Element(in_LayersNumber)); IGPMultiValue inputLayersMultiValue = gpUtilities3.UnpackGPValue(inputLayersGPValue) as IGPMultiValue; IGPParameter outputGroupLayerParameter = paramvalues.get_Element(out_groupLayerNumber) as IGPParameter; IGPValue outputGPGroupLayer = gpUtilities3.UnpackGPValue(outputGroupLayerParameter); IGPCompositeLayer outputCompositeLayer = outputGPGroupLayer as IGPCompositeLayer; if (outputCompositeLayer == null) { message.AddError(120048, string.Format(resourceManager.GetString("GPTools_NullPointerParameterType"), outputGroupLayerParameter.Name)); return; } IGroupLayer groupLayer = null; // find the last position of the "\" string // in case we find such a thing, i.e. position is >= -1 then let's assume that we are dealing with a layer file on disk // otherwise let's create a new group layer instance string outputGPLayerNameAsString = outputGPGroupLayer.GetAsText(); int separatorPosition = outputGPLayerNameAsString.LastIndexOf(System.IO.Path.DirectorySeparatorChar); string layerName = String.Empty; if (separatorPosition > -1) { layerName = outputGPGroupLayer.GetAsText().Substring(separatorPosition + 1); } else { layerName = outputGPGroupLayer.GetAsText(); } ILayer foundLayer = null; IGPLayer existingGPLayer = gpUtilities3.FindMapLayer2(layerName, out foundLayer); if (foundLayer != null) { gpUtilities3.RemoveFromMapEx((IGPValue)existingGPLayer); gpUtilities3.RemoveInternalLayerEx(foundLayer); } groupLayer = new GroupLayer(); ((ILayer)groupLayer).Name = layerName; for (int layerIndex = 0; layerIndex < inputLayersMultiValue.Count; layerIndex++) { IGPValue gpLayerToAdd = inputLayersMultiValue.get_Value(layerIndex) as IGPValue; ILayer sourceLayer = gpUtilities3.DecodeLayer(gpLayerToAdd); groupLayer.Add(sourceLayer); } outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(groupLayer); if (separatorPosition > -1) { try { // in the case that we are dealing with a layer file on disk // let's persist the group layer information into the file ILayerFile pointLayerFile = new LayerFileClass(); if (System.IO.Path.GetExtension(outputGPLayerNameAsString).ToUpper().Equals(".LYR")) { if (pointLayerFile.get_IsPresent(outputGPLayerNameAsString)) { try { gpUtilities3.Delete(outputGPGroupLayer); } catch (Exception ex) { message.AddError(120001, ex.Message); return; } } pointLayerFile.New(outputGPLayerNameAsString); pointLayerFile.ReplaceContents(groupLayer); pointLayerFile.Save(); } outputGPGroupLayer = gpUtilities3.MakeGPValueFromObject(pointLayerFile.Layer); } catch (Exception ex) { message.AddError(120002, ex.Message); return; } } gpUtilities3.PackGPValue(outputGPGroupLayer, outputGroupLayerParameter); } catch (Exception ex) { message.AddError(120049, ex.Message); } }
private void MapUserIdentify(double mapX, double mapY) { try { //axMapControl1.Map.ClearSelection(); ESRI.ArcGIS.Controls.IMapControl3 m_mapControl = (IMapControl3)axMapControl1.Object; IMap pMap = axMapControl1.Map; IGroupLayer pGroupLayer = new GroupLayer(); if (pMap.LayerCount == 0) { return; } IEnumLayer pEnumLayer; ILayer pLayer; pEnumLayer = pMap.get_Layers(null, true); if (pEnumLayer == null) { return; } pEnumLayer.Reset(); double dCurrScale = m_mapControl.MapScale; for (pLayer = pEnumLayer.Next(); pLayer != null; pLayer = pEnumLayer.Next()) { if (pLayer.Visible) { if (pLayer is IGroupLayer) { continue; } if (pLayer.MinimumScale != 0 && dCurrScale > pLayer.MinimumScale) { continue; } if (pLayer.MaximumScale != 0 && dCurrScale < pLayer.MaximumScale) { continue; } pGroupLayer.Add(pLayer); } } IPoint pPoint = new ESRI.ArcGIS.Geometry.Point(); pPoint.X = mapX; pPoint.Y = mapY; IIdentifyObj pIdObj; IIdentify pIdentify = pGroupLayer as IIdentify; IArray pIDArray; IFeatureIdentifyObj pFeatIdObj; IEnvelope pEnv = pPoint.Envelope; IDisplayTransformation pDT = m_mapControl.ActiveView.ScreenDisplay.DisplayTransformation; pEnv.Expand(pDT.VisibleBounds.Width / 200, pDT.VisibleBounds.Height / 200, false); pIDArray = pIdentify.Identify(pEnv); if (pIDArray == null || pIDArray.Count == 0) { return; } pFeatIdObj = pIDArray.get_Element(0) as IFeatureIdentifyObj; pIdObj = pFeatIdObj as IIdentifyObj; IRowIdentifyObject pRowIdentifyObj = pFeatIdObj as IRowIdentifyObject; IFeature pFeature = pRowIdentifyObj.Row as IFeature; if (pFeature != null && pFeature.Shape != null && !pFeature.Shape.IsEmpty) { //axMapControl1.FlashShape(pFeature.Shape); axMapControl1.Map.SelectFeature(pIdObj.Layer, pFeature); FlashFeature(axMapControl1, pFeature.Shape); } // pIdObj.Flash(m_mapControl.ActiveView.ScreenDisplay);//The Flash method is not supported with ArcGIS Engine, use the IHookActions.DoActions() method with the esriHookActionsFlash for this functionality. ILayer pIdentiyLayer = pIdObj.Layer; DataTable pTable = new DataTable(); DataColumn pDataColumn = pTable.Columns.Add(); pDataColumn.ColumnName = "列名"; pDataColumn = pTable.Columns.Add(); pDataColumn.ColumnName = "值"; DataRow pFirestDataRow = pTable.Rows.Add(); pFirestDataRow[0] = "所在层"; pFirestDataRow[1] = pIdentiyLayer.Name; if (pIdentiyLayer is IFeatureLayer) { IRowIdentifyObject pRowObj = pIdObj as IRowIdentifyObject; // IRow pRow = pRowObj.Row; IFeature pRow = pRowObj.Row as IFeature; IFields pFields = pRow.Fields; for (int i = 0; i < pFields.FieldCount; i++) { IField pField = pFields.get_Field(i); DataRow pDataRow = null; /* * switch (pField.Type) * { * case esriFieldType.esriFieldTypeOID: * pDataRow = pTable.Rows.Add(); * pDataRow[0] = pField.Name; * pDataRow[1] = pRow.OID.ToString(); * break; * case esriFieldType.esriFieldTypeGeometry: * //pDataRow[0] = "Geometry"; * //pDataRow[1] = QueryShapeType(pField.GeometryDef.GeometryType);; * break; * default: * pDataRow = pTable.Rows.Add(); * pDataRow[0] = pField.Name; * pDataRow[1] = pRow.get_Value(i).ToString(); * break; * } * * */ ////////////////////////////////////////////////// string sValue = pRow.get_Value(i).ToString(); string strFName = pField.AliasName.ToUpper(); string strUName = strFName.ToUpper(); if (strUName == "SHAPE" || strUName == "LENGTH" || strUName == "OBJECTID" || strUName == "ID" || strUName == "FNODE_" || strUName == "TNODE_" || strUName == "LPOLY_" || strUName == "RPOLY_" || strUName == "SDXL_" || strUName == "SDXL_ID" || strUName == "OBJECTID_1" || strUName == "FID") { continue; } else if (strUName == "SHAPE.LEN" || strUName == "SHAPE_LENG") { strFName = "几何长度"; } else if (strUName == "SHAPE_AREA" || strUName == "SHAPE.AREA") { strFName = "多边形面积"; } else if (strUName == "HEIGHT") { strFName = "高程"; } else if (strUName == "NAME") { strFName = "名称"; } else if (strUName == "TYPE") { strFName = "类型"; } else if (strUName == "SUBTYPE") { strFName = "子类型"; } if (strUName == "LENGTH" || strUName == "SHAPE.LEN") { IUnitConverter myUnit = new UnitConverterClass(); sValue = Math.Round(myUnit.ConvertUnits((double)pRow.get_Value(i), esriUnits.esriMeters, esriUnits.esriKilometers), 2).ToString(); sValue = sValue.ToString() + "千米"; } if (strUName == "SHAPE_AREA" || strUName == "SHAPE.AREA") { IGeometry pGeo = pRow.ShapeCopy; pGeo.Project(axMapControl1.Map.SpatialReference); IPolygon pPolygon = (IPolygon)pGeo; IArea pArea = (IArea)pPolygon; double strValue = pArea.Area * 0.000001; //// double strValue = Math.Abs((double)pFeature.get_Value(j)) * 10585; strValue = Math.Round(strValue, 2); sValue = strValue.ToString() + "平方千米"; } esriFieldType tFieldTypy = pField.Type; if (tFieldTypy == esriFieldType.esriFieldTypeGeometry) { sValue = pField.GeometryDef.GeometryType.ToString(); sValue = sValue.Substring(12, sValue.Length - 12); } pDataRow = pTable.Rows.Add(); pDataRow[0] = strFName; pDataRow[1] = sValue; ////////////////////////////////////////////////// } } else if (pIdentiyLayer is ITinLayer) { ITinLayer pTinLayer = (ITinLayer)pIdentiyLayer; ITinSurface pTinSurface = (ITinSurface)pTinLayer.Dataset; if (pTinSurface == null) { return; } ITinSurfaceElement pTinSurfaceElement = pTinSurface.GetSurfaceElement(pPoint); if (pTinSurfaceElement == null) { return; } IFields pFields = pTinLayer.Dataset.Fields; DataRow pDataRow = null; pDataRow = pTable.Rows.Add(); pDataRow[0] = "高度"; pDataRow[1] = pTinSurfaceElement.Elevation.ToString(); pDataRow = pTable.Rows.Add(); pDataRow[0] = "坡度"; pDataRow[1] = pTinSurfaceElement.SlopeDegrees.ToString(); pDataRow = pTable.Rows.Add(); pDataRow[0] = "方向"; pDataRow[1] = pTinSurfaceElement.AspectDegrees.ToString(); } if (pIdentiyLayer is IRasterLayer) { MessageBox.Show("aa"); } //ShowIndetify(pTable); //m_pMainform.ShowIndetify(pTable); } catch (Exception ex) { MessageBox.Show(ex.Message, "Error", MessageBoxButtons.OK, MessageBoxIcon.Stop); return; } }