[mapguide-users] Add new layer to map
sekko970
sekko970 at virgilio.it
Wed Jan 21 03:10:09 EST 2009
You are right!
Many thanks.
Fabio
sekko970 wrote:
>
> Dear all,
> I need to add a layer to my map from XML definition.
>
> This is my code:
>
> Public Sub CreateLater(ByVal sessionID As String, ByVal mapName As
> String, _
> ByVal newLayerName As String, ByVal
> groupName As String)
>
> Dim userInfo As New MgUserInformation
> userInfo.SetMgSessionId(sessionID)
>
> Dim siteConn As New MgSiteConnection
> siteConn.Open(userInfo)
>
> Dim resourceSrvc As MgResourceService =
> siteConn.CreateService(MgServiceType.ResourceService)
> Dim map As New MgMap()
> map.Open(resourceSrvc, mapName)
>
> 'Loading XML layer
> Dim newLayerXML As New XmlDocument
> newLayerXML.Load(Me.MapPath("NewLayer.xml"))
>
> 'Saving new layer in session repository
> Dim byteSource As New
> MgByteSource(Encoding.UTF8.GetBytes(newLayerXML.OuterXml),
> newLayerXML.OuterXml.Length)
> byteSource.SetMimeType(MgMimeType.Xml)
> Dim resID As New MgResourceIdentifier("Session:" & sessionID &
> "//" & newLayerName & "." & MgResourceType.LayerDefinition)
> resourceSrvc.SetResource(resID, byteSource.GetReader(), Nothing)
> Dim newLayer As New MgLayerBase(resID, resourceSrvc)
>
> 'Add new layer to group
> Dim layerGroup As MgLayerGroup = Nothing
> If map.GetLayerGroups().Contains(groupName) Then
> layerGroup = map.GetLayerGroups.GetItem(groupName)
> Else
> layerGroup = New MgLayerGroup(groupName)
> layerGroup.SetVisible(True)
> layerGroup.SetDisplayInLegend(True)
> layerGroup.SetLegendLabel(groupName)
> map.GetLayerGroups.Add(layerGroup)
> End If
> newLayer.SetGroup(layerGroup)
>
> 'Insert new layer to map
> newLayer.SetName(newLayerName)
> newLayer.SetVisible(True)
> newLayer.SetLegendLabel(newLayerName)
> newLayer.SetDisplayInLegend(True)
> map.GetLayers.Insert(0, newLayer)
>
> map.Save(resourceSrvc)
>
> Saving the map, an MgNotImplementedException occurs.
>
> Where is my mistake?
>
> Thanks in advance for your help.
> Fabio
>
>
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