アノテーション グループ内の空間参照の設定

Sub GetSpatialReferenceOnTheAnnotationGroup()

    Dim pMxDocument As IMxDocument
    Set pMxDocument = Application.Document
    
    Dim pMap As IMap
    Set pMap = pMxDocument.FocusMap
    
    Dim pCompositeGraphicsLayer As ICompositeGraphicsLayer
    Set pCompositeGraphicsLayer = pMap.BasicGraphicsLayer
    
    Dim pCompositeLayer  As ICompositeLayer
    Set pCompositeLayer = pCompositeGraphicsLayer
    
    Debug.Print pCompositeLayer.Count   ' レイヤー数
        
    Dim pGeoDataset As IGeoDataset
    Set pGeoDataset = pCompositeLayer
    
    Debug.Print pGeoDataset.SpatialReference.Name   '空間参照の確認
    
    Dim pGeoDatasetSchemaEdit As IGeoDatasetSchemaEdit
    Set pGeoDatasetSchemaEdit = pCompositeGraphicsLayer
    
    pGeoDatasetSchemaEdit.AlterSpatialReference getSR  '空間参照の変更

    Debug.Print pGeoDataset.SpatialReference.Name   '空間参照の確認
    
End Sub


Function getSR() As ISpatialReference
    '例
    Dim valType As Long
    'valType = esriSRProjCS4Type.esriSRProjCS_JGD2000_Japan_Zone_9     'JGD2000 平面直角座標系第9系
    valType = esriSRGeoCS3Type.esriSRGeoCS_JapanGeodeticDatum2000    'JGD2000 地理座標系
      
    Dim pSpatialReferenceFactory As ISpatialReferenceFactory
    Set pSpatialReferenceFactory = New SpatialReferenceEnvironment
    
    Dim pGeographicCoordinateSystem As IGeographicCoordinateSystem
    Set pGeographicCoordinateSystem = pSpatialReferenceFactory.CreateGeographicCoordinateSystem(valType)
    
'    Dim pProjectedCoordinateSystem As IProjectedCoordinateSystem
'    Set pProjectedCoordinateSystem = pSpatialReferenceFactory.CreateProjectedCoordinateSystem(valType)

    Set getSR = pGeographicCoordinateSystem

End Function