[mapguide-users] Add new layer to map

[Kenneth Skovhede, GEOGRAF A/S]

I don't understand what you mean.
Changes to the runtime map does not go into MGStudio.
Only changes to the MapDefinition xml can be seen there.

Regards, Kenneth Skovhede, GEOGRAF A/S



sekko970 skrev:
> Dear Kenneth,
> I need your help for a second problem:
>
> I apparently save successfully the new layer into library repository (the
> legend and the map are correctly updated, and from MGStudio the new layer is
> visible in layers list), but in MGStudio 'Layer by group' view, my layer
> doesn't appear, so that when I reload the map, the new layer is lost (but
> it's present in MGStudio).
>
> Have you some idea?
> Thanks, Fabio
>
>
>
>
> sekko970 wrote:
>   
>> 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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