public ActionResult SelectFeature(SelectInputModel input)
{
MgSiteConnection conn = CreateConnection(input);
MgMap map = new MgMap(conn);
map.Open(input.MapName);
MgLayerCollection layers = map.GetLayers();
int lidx = layers.IndexOf("Parcels");
if (lidx < 0)
{
throw new Exception("Layer not found on map: Parcels");
}
MgLayerBase layer = layers[lidx];
MgClassDefinition clsDef = layer.GetClassDefinition();
MgPropertyDefinitionCollection props = clsDef.GetProperties();
MgPropertyDefinition idProp = props[0];
string idPropName = idProp.Name;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(idPropName + " = " + input.id);
MgFeatureReader reader = layer.SelectFeatures(query);
MgSelection selection = new MgSelection(map, "");
MgResourceService resSvc = (MgResourceService)conn.CreateService(MgServiceType.ResourceService);
string result = "";
try
{
selection.Open(resSvc, input.MapName);
selection.FromXml(""); //Clear existing
selection.AddFeatures(layer, reader, 0);
result = selection.ToXml();
}
finally
{
reader.Close();
}
return(Content(result, MgMimeType.Xml));
}
public override Stream RenderDynamicOverlay(RuntimeMap map, MapSelection selection, string format, bool keepSelection)
{
MgRenderingService rnd = this.Connection.CreateService(MgServiceType.RenderingService) as MgRenderingService;
MgResourceService res = this.Connection.CreateService(MgServiceType.ResourceService) as MgResourceService;
GetByteReaderMethod fetch = () =>
{
MgMap mmap = new MgMap();
mmap.Open(res, map.Name);
MgSelection sel = new MgSelection(mmap);
if (selection != null)
sel.FromXml(selection.ToXml());
return rnd.RenderDynamicOverlay(mmap, sel, format, keepSelection);
};
LogMethodCall("MgRenderingService::RenderDynamicOverlay", true, "MgMap", "MgSelection", format, keepSelection.ToString());
return new MgReadOnlyStream(fetch);
}
public override Stream RenderDynamicOverlay(RuntimeMap map, MapSelection selection, string format, Color selectionColor, int behaviour)
{
MgRenderingService rnd = this.Connection.CreateService(MgServiceType.RenderingService) as MgRenderingService;
MgResourceService res = this.Connection.CreateService(MgServiceType.ResourceService) as MgResourceService;
MgMap mmap = new MgMap();
mmap.Open(res, map.Name);
MgSelection sel = new MgSelection(mmap);
if (selection != null)
sel.FromXml(selection.ToXml());
var rndOpts = new MgRenderingOptions(format, behaviour, new MgColor(selectionColor));
GetByteReaderMethod fetch = () =>
{
return rnd.RenderDynamicOverlay(mmap, sel, rndOpts);
};
LogMethodCall("MgRenderingService::RenderDynamicOverlay", true, "MgMap", "MgSelection", "MgRenderingOptions");
return new MgReadOnlyStream(fetch);
}
public IActionResult SelectFeature(SelectInputModel input)
{
MgSiteConnection conn = CreateConnection(input);
MgMap map = new MgMap(conn);
map.Open(input.MapName);
MgLayerCollection layers = map.GetLayers();
int lidx = layers.IndexOf("Parcels");
if (lidx < 0)
{
throw new Exception("Layer not found on map: Parcels");
}
MgLayerBase layer = layers.GetItem(lidx);
MgClassDefinition clsDef = layer.GetClassDefinition();
MgPropertyDefinitionCollection props = clsDef.GetProperties();
MgPropertyDefinition idProp = props.GetItem(0);
string idPropName = idProp.Name;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(idPropName + " = " + input.id);
MgFeatureReader reader = layer.SelectFeatures(query);
MgSelection selection = new MgSelection(map, "");
MgResourceService resSvc = (MgResourceService)conn.CreateService(MgServiceType.ResourceService);
string result = "";
try
{
selection.Open(resSvc, input.MapName);
selection.FromXml(""); //Clear existing
selection.AddFeatures(layer, reader, 0);
result = selection.ToXml();
selection.Save(resSvc);
}
finally
{
reader.Close();
}
return Content(result, MgMimeType.Xml);
}
MgGeometry MultiGeometryFromSelection(MgFeatureService featureSrvc, MgMap map, String selText)
{
MgSelection sel = new MgSelection(map);
sel.FromXml(selText);
MgReadOnlyLayerCollection selLayers = sel.GetLayers();
if (selLayers == null)
return null;
MgGeometryCollection geomColl = new MgGeometryCollection();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
bool polyOnly = true;
for (int i = 0; i < selLayers.GetCount(); i++)
{
MgLayer layer = (MgLayer)selLayers.GetItem(i);
// TODO: How to get selectionSize?
//int selectionSize = 20;
string filter = sel.GenerateFilter(layer, layer.GetFeatureClassName());
if (filter == "")
continue;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(featureSource, layer.GetFeatureClassName(), query);
if (features != null)
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
int j = 0;
//bool isPoly = true;
while (features.ReadNext())
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (j++ == 0)
{
int type = geom.GetGeometryType();
if (type == MgGeometryType.MultiPolygon || type == MgGeometryType.CurvePolygon || type == MgGeometryType.MultiCurvePolygon)
{
//isPoly = false;
polyOnly = false;
}
else if (type != MgGeometryType.Polygon)
{
break;
}
}
geomColl.Add(geom);
}
features.Close();
features.Dispose();
}
}
if (geomColl.GetCount() == 0)
{
return null;
}
MgGeometryFactory gf = new MgGeometryFactory();
if (polyOnly)
{
MgPolygonCollection polyColl = new MgPolygonCollection();
for (int j = 0; j < geomColl.GetCount(); j++)
{
polyColl.Add((MgPolygon)geomColl.GetItem(j));
}
return gf.CreateMultiPolygon(polyColl);
}
else
{
return gf.CreateMultiGeometry(geomColl);
}
}
MgGeometry MultiGeometryFromSelection(MgFeatureService featureSrvc, MgMap map, String selText)
{
MgSelection sel = new MgSelection(map);
sel.FromXml(selText);
MgReadOnlyLayerCollection selLayers = sel.GetLayers();
if (selLayers == null)
{
return(null);
}
MgGeometryCollection geomColl = new MgGeometryCollection();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
bool polyOnly = true;
for (int i = 0; i < selLayers.GetCount(); i++)
{
MgLayer layer = (MgLayer)selLayers.GetItem(i);
// TODO: How to get selectionSize?
//int selectionSize = 20;
string filter = sel.GenerateFilter(layer, layer.GetFeatureClassName());
if (filter == "")
{
continue;
}
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(featureSource, layer.GetFeatureClassName(), query);
if (features != null)
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
int j = 0;
//bool isPoly = true;
while (features.ReadNext())
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (j++ == 0)
{
int type = geom.GetGeometryType();
if (type == MgGeometryType.MultiPolygon || type == MgGeometryType.CurvePolygon || type == MgGeometryType.MultiCurvePolygon)
{
//isPoly = false;
polyOnly = false;
}
else if (type != MgGeometryType.Polygon)
{
break;
}
}
geomColl.Add(geom);
}
features.Close();
features.Dispose();
}
}
if (geomColl.GetCount() == 0)
{
return(null);
}
MgGeometryFactory gf = new MgGeometryFactory();
if (polyOnly)
{
MgPolygonCollection polyColl = new MgPolygonCollection();
for (int j = 0; j < geomColl.GetCount(); j++)
{
polyColl.Add((MgPolygon)geomColl.GetItem(j));
}
return(gf.CreateMultiPolygon(polyColl));
}
else
{
return(gf.CreateMultiGeometry(geomColl));
}
}