[mapguide-users] help

[saloua wakrim]

hi! did you know lease how MgCreateSdfParams() works and what attributes i
must give it cause ii think that the prob i have is coordinates i use for
inserting polygone or line or point wich are not compatibl with map
cordinates

2009/5/11, Kenneth Skovhede, GEOGRAF A/S <ks at geograf.dk>:
>
> Yes, that looks right.
>
> You must also refresh the map (refresh/pan/zoom/etc.) in the browser via
> javascript.
>
> In addition to my other suggestions, you can also check the error log for
> messages.
>
> Regards, Kenneth Skovhede, GEOGRAF A/S
>
>
>
> saloua wakrim skrev:
>
> hi! please i want know if this code is that what all i must do for adding
> new layer to map and see it in viewer frame or i must do some relation with
> the feature source i create in my code?? thanks on advance
>
>
> myLayer =
> New MgLayer(layerDefId, resourceSrvc)
>
> myLayer.SetName(myLayerName)
>
> myLayer.SetLegendLabel(myLayerName)
>
> myLayer.SetDisplayInLegend(
> True)
>
> myLayer.SetSelectable(
> False)
>
> map.GetLayers().Insert(0, myLayer)
>
> myLayer.ForceRefresh()
> map.Save(resourceSrvc)
>
>
> 2009/5/10 Kenneth Skovhede, GEOGRAF A/S <ks at geograf.dk>
>
>> The code looks alright.
>> Do you refresh the map afterwards?
>> What is in the "insertResults" ?
>> (There can be a hidden error, due to a bug in MapGuide)
>> Are you sure that the LayerDefinition matches the FeatureSource?
>> Try to create the FeatureSource and LayerDefinition in "Library://"
>> instead,
>> so you can examine the layer from Studio/Maestro.
>>
>> Regards, Kenneth Skovhede, GEOGRAF A/S
>>
>>
>>
>>
>> saloua wakrim skrev:
>>
>>  i try the following code for displaying layer wich contains line in map,
>> so i digitize a line, create temporary feature for this line, create a layer
>> wich contains it and add it to the map. it doesn't give me some error but  i
>> can see the line in the map (i can draw it). Please help me. the code is
>> following:
>>
>>
>>
>> String
>> dataSource = "Session:" + sessionid1 + "//" + myLayerName +
>> ".FeatureSource"; MgResourceIdentifier dataSourceId = new
>> MgResourceIdentifier(dataSource); MgFeatureService featureSrvc = (
>> MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
>> if (DoesLayerExist(myLayerName, map) == false)
>>
>> {
>>
>>
>> //create Feature Source MgClassDefinition myClassDef = new
>> MgClassDefinition();
>>
>> myClassDef.SetName(myLayerName);
>>
>> myClassDef.SetDescription(myLayerName +
>> " Feature Source");
>>
>> myClassDef.SetDefaultGeometryPropertyName(
>> "SHPGEOM"); MgDataPropertyDefinition prop = new MgDataPropertyDefinition(
>> "KEY");
>>
>> prop.SetDataType(
>> MgPropertyType.Int32);
>>
>> prop.SetAutoGeneration(
>> true);
>>
>> prop.SetReadOnly(
>> true);
>>
>> myClassDef.GetIdentityProperties().Add(prop);
>>
>> myClassDef.GetProperties().Add(prop);
>>
>> prop =
>> new MgDataPropertyDefinition("ID");
>>
>> prop.SetDataType(
>> MgPropertyType.Int32);
>>
>> myClassDef.GetProperties().Add(prop);
>> MgGeometricPropertyDefinition geomProp = new
>> MgGeometricPropertyDefinition("SHPGEOM");
>>
>> geomProp.SetGeometryTypes(
>> MgFeatureGeometricType.Curve);
>>
>> myClassDef.GetProperties().Add(geomProp);
>> MgFeatureSchema schema = new MgFeatureSchema(myLayerName + "Schema",
>> myLayerName + "SchemaDesc");
>>
>> schema.GetClasses().Add(myClassDef);
>> MgCreateSdfParams sdfParams = new MgCreateSdfParams("MGA-56 (GDA94 / MGA
>> zone 56)", map.GetMapSRS(), schema);
>>
>> featureSrvc.CreateFeatureSource(dataSourceId, sdfParams);
>>
>>
>>
>>
>> //create layer //String layerDef = "Session:" + sessionid1 + "//" +
>> myLayerName + ".LayerDefinition"; MgResourceIdentifier layerDefId = new
>> MgResourceIdentifier("Library://essaicalque/Redline.LayerDefinition");
>>
>>
>>
>>
>> MgByteSource content = new MgByteSource(@"C:\Program
>> Files\MapGuideOpenSource\WebServerExtensions\www\essaiselect2\Layerdef.xml");
>>
>>
>> resourceSrvc.SetResource(layerDefId, content.GetReader(),
>> null); //code enlev‚ d'ici: ajouter layer resource … la carte //il faut
>> ajouter l'autre code: add layer resource to map //DOMDocument domdoc =
>> new DOMdocument(); MgLayerresult=add_layer_resource_to_map(layerDefId,resourceSrvc,myLayerName,myLayerName,map);
>>
>>
>> }
>> MgInsertFeatures insertFeatures = new MgInsertFeatures(myLayerName,
>> makeLine("1", x0, y0, x1, y1)); MgFeatureCommandCollection commands = new
>> MgFeatureCommandCollection();
>>
>> commands.Add(insertFeatures);
>> int commandIndex = commands.IndexOf(insertFeatures); MgPropertyCollectioninsertResults;
>>
>> insertResults = featureSrvc.UpdateFeatures(dataSourceId, commands,
>> false); MgLayer myLayer1 = map.GetLayers().GetItem(myLayerName) as
>> MgLayer;
>>
>> myLayer1.ForceRefresh();
>>
>>
>> //commands.Add(new MgInsertFeatures(myLayerName,makeLine("1", x0, y0, x1,
>> y1)));
>>
>>
>>
>> map.Save(resourceSrvc);
>>
>>
>>
>> <
>> script runat=server> Boolean result; MgPropertyCollection makeLine(StringName,
>> Double x0, Double y0, Double x1, Double y1)
>>
>> {
>> MgPropertyCollection PropertyCollection = new MgPropertyCollection();
>> MgInt32Property nameProperty = new MgInt32Property("ID", 1);
>>
>> PropertyCollection.Add(nameProperty);
>> MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
>> MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter(); MgGeometrygeometry = wktReaderWriter.Read("LINESTRING
>> XY (" + x0 + " " + y0 + "," + x1 + " " + y1 + ")") as MgLineString; //MgGeometry
>> geometry = wktReaderWriter.Read("LINESTRING(3 4,10 50,20 25)") as
>> MgLineString; MgByteReader geometryByteReader =
>> agfReaderWriter.Write(geometry); MgGeometryProperty geometryProperty =
>> new MgGeometryProperty("SHPGEOM", geometryByteReader);
>>
>> PropertyCollection.Add(geometryProperty);
>> return PropertyCollection;
>>
>> }
>>
>> Boolean
>> DoesLayerExist(String LayerName, MgMap Map)
>>
>> {
>> MgLayerCollection layers = Map.GetLayers();
>>
>> result = (layers.Contains(myLayerName));
>> return result;
>>
>> }
>> MgLayer add_layer_resource_to_map(MgResourceIdentifier layerresourceid,
>> MgResourceService rs, String layername, String layerlegendlabel, MgMapmap)
>>
>> {
>> MgLayer myLayer = new MgLayer(layerresourceid, rs);
>>
>> myLayer.SetName(layername);
>>
>> myLayer.SetLegendLabel(layerlegendlabel);
>>
>> myLayer.SetDisplayInLegend(
>> true);
>>
>> myLayer.SetSelectable(
>> true);
>>
>>
>> if (!map.GetLayers().Contains(layername))
>>
>> {
>>
>> map.GetLayers().Insert(0, myLayer);
>>
>> }
>>
>> myLayer.SetVisible(
>> true);
>>
>> myLayer.ForceRefresh();
>>
>> map.Save(resourceSrvc);
>> return myLayer;
>>
>> }
>>
>> </
>> script>
>>
>>
>>
>>
>>
>>
>>
>> ------------------------------
>>
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>>
>>
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>>
>>
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