[mapguide-users] Adding layers permanent - I found my mistake
peter56
ibb.scigalla at arcor.de
Tue Oct 16 09:03:10 EDT 2007
Dear all,
sorry, I found my mistake. The wrong line was:
$resourceId = new
MgResourceIdentifier("Library://LayerName.LayerDefinition");
The correct line is:
$resourceId = new
MgResourceIdentifier("Library://projekt/layer/alle.LayerDefinition");
Regards - Peter
peter56 wrote:
>
> Dear all,
>
> based on the example in the Developer's Guide, I created a new Layer to
> the map at runtime:
>
> // Neuen MG-Layer definieren
> $featureClass = 'Library://projekt/'
> . 'mysql.FeatureSource';
> $featureName = 'Fdotest:agmg_wasleitung';
> $geometry = 'graphik';
> $layerDefinition = $factory->
> CreateLayerDefinition($featureClass, $featureName,
> $geometry, $lineScaleRange);
>
> //---------------------------------------------------//
> // ...
>
> // in die Karte einfügen
> $newLayer = add_layer_definition_to_map($layerDefinition, "alle",
> "alle", $sessionId, $resourceService, $map);
> add_layer_to_group($newLayer, "Analysis", "Analysis", $map);
>
> // --------------------------------------------------//
> // jetzt sichtbar machen
> $layerCollection = $map->GetLayers();
> if ($layerCollection->Contains("alle"))
> {
> $squareFootageLayer =$layerCollection->GetItem("alle");
> $squareFootageLayer->SetVisible(TRUE);
> }
>
>
> //---------------------------------------------------//
> // im session repository speichern
> $sessionIdName = "Session:$sessionId//$mapName.Map";
> $sessionResourceID = new MgResourceIdentifier($sessionIdName);
> $sessionResourceID->Validate();
> $map->Save($resourceService, $sessionResourceID);
>
> It works fine. (Very thanks to all writers of the Developer's Guide!) Now
> I have only one problem:
>
> I tried to make the changes permanent using the code from Developer's
> Guide, but nothing happens:
>
> // jetzt nach Handbuch Kapitel 4, Seite 66 den Layer in die Datenbank
> schreiben
> $byteSource = new MgByteSource($layerDefinition,
> strlen($layerDefinition));
> $byteSource->SetMimeType(MgMimeType::Xml);
> $resourceId = new
> MgResourceIdentifier("Library://LayerName.LayerDefinition");
> $resourceService->SetResource($resourceId, $byteSource->GetReader(),
> null);
>
> What am I doing wrong?
>
> Regards - Peter
>
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