About the Time Series Graph tool add-in Sample
[C#]
TimeSeriesGraph.cs
[Visual Basic .NET]
TimeSeriesGraph.vb
Imports ESRI.ArcGIS.ArcMapUI Imports ESRI.ArcGIS.Carto Imports ESRI.ArcGIS.CartoUI Imports ESRI.ArcGIS.Display Imports ESRI.ArcGIS.Framework Imports ESRI.ArcGIS.Geodatabase Imports ESRI.ArcGIS.Geometry Imports ESRI.ArcGIS.esriSystem Imports ESRI.ArcGIS.SystemUI Public Class TimeSeriesGraph Inherits ESRI.ArcGIS.Desktop.AddIns.Tool Public Sub New() End Sub Protected Overrides Sub OnMouseDown(ByVal arg As ESRI.ArcGIS.Desktop.AddIns.Tool.MouseEventArgs) On Error Resume Next Dim X As Integer Dim Y As Integer X = arg.X Y = arg.Y Dim pMxApp As IMxApplication Dim pMxDoc As IMxDocument pMxApp = TimeSeriesGraphAddInVB.My.ArcMap.Application pMxDoc = pMxApp.Document ' calculate tolerance rectangle to identify features inside it Dim Tolerance As Integer Tolerance = pMxDoc.SearchTolerancePixels Dim pDispTrans As IDisplayTransformation pDispTrans = pMxApp.Display.DisplayTransformation Dim pToleranceRect As ESRI.ArcGIS.esriSystem.tagRECT pToleranceRect.left = X - Tolerance pToleranceRect.right = X + Tolerance pToleranceRect.top = Y - Tolerance pToleranceRect.bottom = Y + Tolerance Dim pSearchEnvelope As IEnvelope pSearchEnvelope = New Envelope pDispTrans.TransformRect(pSearchEnvelope, pToleranceRect, (ESRI.ArcGIS.Display.esriDisplayTransformationEnum.esriTransformPosition Or ESRI.ArcGIS.Display.esriDisplayTransformationEnum.esriTransformToMap)) ' identify feature points of measurement Dim pBasicDoc As IBasicDocument pBasicDoc = pMxApp.Document pSearchEnvelope.SpatialReference = pMxDoc.ActiveView.FocusMap.SpatialReference Dim pIdentify As IIdentify pIdentify = pMxDoc.FocusMap.Layer(0) If pIdentify Is Nothing Then MsgBox("No layer") Exit Sub End If Dim pIDArray As IArray pIDArray = pIdentify.Identify(pSearchEnvelope) ' get object from feature point Dim pIDObj As IIdentifyObj pIDObj = Nothing If Not pIDArray Is Nothing Then pIDObj = pIDArray.Element(0) End If If pIDObj Is Nothing Then MsgBox("No feature was identified") Exit Sub End If ' get the name of the layer containing feature points Dim pLayer As ILayer pLayer = pMxDoc.FocusMap.Layer(0) Dim layerName As String layerName = pLayer.Name ' get primary display field for measurement values and set names of a date/time field and gage ID field Dim pFeatLayer As IFeatureLayer pFeatLayer = pLayer Dim dataFldName As String Dim timefldName As String Dim gageIDFldName As String dataFldName = "TSValue" timefldName = "TSDateTime" ' substitute data/time field name for different dataset gageIDFldName = "Name" ' substitute gage ID field name for different dataset ' get display table from layer Dim pTable As ITable pTable = Nothing Dim pDisplayTable As IDisplayTable pDisplayTable = pLayer If Not pDisplayTable Is Nothing Then pTable = pDisplayTable.DisplayTable If pTable Is Nothing Then GoTo THEEND End If ' get fields from display table Dim pFields As IFields pFields = pTable.Fields Dim fldCount As Long fldCount = pFields.FieldCount ' create WHERE clause from identified objects of measurement points Dim gageIDFldIdx As Integer gageIDFldIdx = pFields.FindField(gageIDFldName) Dim pRowIDObj As IRowIdentifyObject pRowIDObj = pIDObj Dim gageID As String gageID = pRowIDObj.Row.Value(gageIDFldIdx) Dim pFeatureLayerDef As IFeatureLayerDefinition pFeatureLayerDef = pLayer Dim definitionExpression As String definitionExpression = pFeatureLayerDef.DefinitionExpression Dim whereClause As String If definitionExpression = "" Then whereClause = "[" + gageIDFldName + "] = '" + gageID + "'" Else whereClause = "[" + gageIDFldName + "] = '" + gageID + "' AND " + definitionExpression End If 'find color for the identified object from feature layer's renderer Dim pGeoFeatureLayer As IGeoFeatureLayer pGeoFeatureLayer = pLayer Dim pLookupSymbol As ILookupSymbol pLookupSymbol = pGeoFeatureLayer.Renderer Dim pFeature As IFeature pFeature = pRowIDObj.Row Dim pSymbol As IMarkerSymbol pSymbol = pLookupSymbol.LookupSymbol(False, pFeature) ' Find an opened GraphWindow Dim pDataGraphBase As IDataGraphBase pDataGraphBase = Nothing Dim pDataGraphT As IDataGraphT Dim pDGWin As IDataGraphWindow2 pDGWin = Nothing Dim pDataGraphs As IDataGraphCollection pDataGraphs = pMxDoc Dim grfCount As Integer grfCount = pDataGraphs.DataGraphCount Dim i As Integer For i = 0 To (grfCount - 1) pDataGraphBase = pDataGraphs.DataGraph(i) pDGWin = FindGraphWindow(pDataGraphBase) If Not pDGWin Is Nothing Then Exit For Next i ' if there is not an opened graph window - create a new graph for If pDGWin Is Nothing Then ' create graph pDataGraphBase = New DataGraphT pDataGraphT = pDataGraphBase ' load template from <ARCGISHOME>\GraphTemplates\ Dim strPath As String strPath = Environment.GetEnvironmentVariable("ARCGISHOME") pDataGraphT.LoadTemplate(strPath + "GraphTemplates\timeseries.tee") ' graph, axis and legend titles. Substitute them for different input layer pDataGraphT.GeneralProperties.Title = "Daily Streamflow for Guadalupe Basin in 1999" pDataGraphT.LegendProperties.Title = "Monitoring Point" pDataGraphT.AxisProperties(0).Title = "Streamflow (cfs)" pDataGraphT.AxisProperties(0).Logarithmic = True pDataGraphT.AxisProperties(2).Title = "Date" pDataGraphBase.Name = layerName Else ' get graph from the opened window pDataGraphT = pDataGraphBase End If ' create vertical line series for all measurements for the identified gage Dim pSP As ISeriesProperties pSP = pDataGraphT.AddSeries("line:vertical") pSP.ColorType = esriGraphColorType.esriGraphColorCustomAll pSP.CustomColor = pSymbol.Color.RGB pSP.WhereClause = whereClause pSP.InLegend = True pSP.Name = gageID pSP.SourceData = pLayer pSP.SetField(0, timefldName) pSP.SetField(1, dataFldName) Dim pSortFlds As IDataSortSeriesProperties pSortFlds = pSP Dim idx As Long pSortFlds.AddSortingField(timefldName, True, idx) pDataGraphBase.UseSelectedSet = True Dim pCancelTracker As ITrackCancel pCancelTracker = New CancelTracker pDataGraphT.Update(pCancelTracker) ' create data graph window if there is not any opened one If pDGWin Is Nothing Then pDGWin = New DataGraphWindow pDGWin.DataGraphBase = pDataGraphBase pDGWin.Application = pMxApp pDGWin.Show(True) pDataGraphs.AddDataGraph(pDataGraphBase) End If THEEND: Exit Sub 'MyBase.OnMouseDown(arg) End Sub ' finds an opened graph window Private Function FindGraphWindow(ByRef pDataGraphBase As IDataGraphBase) As IDataGraphWindow2 Dim pApplicationWindows As IApplicationWindows pApplicationWindows = TimeSeriesGraphAddInVB.My.ArcMap.Application Dim pDataWindows As ISet pDataWindows = pApplicationWindows.DataWindows Dim winCount As Integer winCount = pDataWindows.Count If winCount <= 0 Then FindGraphWindow = Nothing Exit Function End If pDataWindows.Reset() Dim pDataGraphWindow2 As IDataGraphWindow2 pDataGraphWindow2 = Nothing Dim i As Integer For i = 0 To (winCount - 1) pDataGraphWindow2 = pDataWindows.Next If Not pDataGraphWindow2 Is Nothing Then Dim pDataGraphTmp As IDataGraphBase pDataGraphTmp = pDataGraphWindow2.DataGraphBase If pDataGraphBase Is pDataGraphTmp Then Exit For End If End If Next i FindGraphWindow = pDataGraphWindow2 End Function Protected Overrides Sub OnUpdate() Enabled = TimeSeriesGraphAddInVB.My.ArcMap.Application IsNot Nothing End Sub End Class