//----------------------------------------------------------------------------------------
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//-----------------------------------------------------------------------------------------
public ParcelProperty[] GetNearParcels(string parcelType, GeocodeAddress geocodeAddress, double bufferDistance)
{
ParcelProperty[] parcelProperties = null;
//���ڵ�ַ���� ���ε�͵�Ļ������������Σ�
MgGeometryFactory geoFactory = new MgGeometryFactory();
MgCoordinate coord = geoFactory.CreateCoordinateXY(Convert.ToDouble(geocodeAddress.lon), Convert.ToDouble(geocodeAddress.lat));
MgPoint pt = geoFactory.CreatePoint(coord);
//��ѯ��ָ����Χ�ڣ�����Σ���Ҫ��
MgPolygon buffer = (MgPolygon)pt.Buffer(bufferDistance, null);
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter("RTYPE LIKE '" + parcelType + "%'");
query.SetSpatialFilter("SHPGEOM", buffer, MgFeatureSpatialOperations.Inside);
MgResourceIdentifier resId = new MgResourceIdentifier("Library://Samples/Sheboygan/Data/Parcels.FeatureSource");
MgFeatureReader featReader = featureService.SelectFeatures(resId, "Parcels", query);
//�����ѯ���
ArrayList props = new ArrayList();
while (featReader.ReadNext())
{
ParcelProperty prop = new ParcelProperty();
prop.ID = featReader.GetInt32("Autogenerated_SDF_ID").ToString();
prop.Acreage = featReader.GetString("RACRE");
prop.BillingAddr = featReader.GetString("RBILAD");
prop.Description1 = featReader.GetString("RLDESCR1");
prop.Description2 = featReader.GetString("RLDESCR2");
prop.Description3 = featReader.GetString("RLDESCR3");
prop.Description4 = featReader.GetString("RLDESCR4");
prop.LotDimension = featReader.GetString("RLOT");
prop.LotSize = featReader.GetInt32("RSQFT");
prop.Owner = featReader.GetString("RNAME");
prop.Zoning = featReader.GetString("RTYPE");
props.Add(prop);
}
parcelProperties = (ParcelProperty[])props.ToArray(typeof(ParcelProperty));
return parcelProperties;
}
//---------------------------------------------------------------------------------------
//
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// ���ڣ� 2007.5.23
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//---------------------------------------------------------------------------------------
public void createNewParcel(MgPolygon geom, ParcelProperty newParcel)
{
MgPropertyCollection properties = buildPropertyCol(newParcel);
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
MgByteReader byteReader = agfWriter.Write(geom);
properties.Add(new MgGeometryProperty("SHPGEOM", byteReader));
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgResourceIdentifier parcelSource = new MgResourceIdentifier("Library://MgTutorial/Data/Parcels.FeatureSource");
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
commands.Add(new MgInsertFeatures("Parcels", properties));
featureService.UpdateFeatures(parcelSource, commands, false);
//////////////////////////////////////////
/*
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
MgPropertyCollection properties = new MgPropertyCollection();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgByteReader byteReader = agfReaderWriter.Write(geometry);
MgGeometryProperty geometryProperty = new MgGeometryProperty("SHPGEOM",byteReader);
properties.Add(new MgInt32Property("RSQFT", 322));
properties.Add(new MgStringProperty("RNAME", "YourName"));
properties.Add(new MgStringProperty("RTYPE", "GFC"));
MgPropertyCollection properties = new MgPropertyCollection ();
properties.Add(geometryProperty);
MgInsertFeatures insertCommand = new MgInsertFeatures(className, properties);
commands.Add(insertCommand);
featureService.UpdateFeatures(featureSource, commands, false);
* */
}
//---------------------------------------------------------------------------------------
//
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//---------------------------------------------------------------------------------------
private MgPropertyCollection populateParcelFeatureAttributes(MgPolygon geom, ParcelProperty newParcel)
{
MgPropertyCollection props = new MgPropertyCollection();
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
props.Add(new MgGeometryProperty("GEOM", agfWriter.Write(geom)));
props.Add(new MgStringProperty("ACRE", newParcel.Acreage));
props.Add(new MgStringProperty("BILLADDR", newParcel.BillingAddr));
props.Add(new MgStringProperty("DESC1", newParcel.Description1));
props.Add(new MgStringProperty("DESC2", newParcel.Description2));
props.Add(new MgStringProperty("DESC3", newParcel.Description3));
props.Add(new MgStringProperty("DESC4", newParcel.Description4));
props.Add(new MgStringProperty("LOTDIM", newParcel.LotDimension));
props.Add(new MgInt32Property("SQFT", newParcel.LotSize));
props.Add(new MgStringProperty("OWNER", newParcel.Owner));
props.Add(new MgStringProperty("ZONE", newParcel.Zoning));
return props;
}
private MgPropertyCollection buildPropertyCol(ParcelProperty newFeatureValue)
{
MgPropertyCollection props = new MgPropertyCollection();
props.Add(new MgStringProperty("RACRE", newFeatureValue.Acreage));
props.Add(new MgStringProperty("RBILAD", newFeatureValue.BillingAddr));
props.Add(new MgStringProperty("RLDESCR1", newFeatureValue.Description1));
props.Add(new MgStringProperty("RLDESCR2", newFeatureValue.Description2));
props.Add(new MgStringProperty("RLDESCR3", newFeatureValue.Description3));
props.Add(new MgStringProperty("RLDESCR4", newFeatureValue.Description4));
props.Add(new MgStringProperty("RLOT", newFeatureValue.LotDimension));
props.Add(new MgInt32Property("RSQFT", newFeatureValue.LotSize));
props.Add(new MgStringProperty("RNAME", newFeatureValue.Owner));
props.Add(new MgStringProperty("RTYPE", newFeatureValue.Zoning));
return props;
}
//---------------------------------------------------------------------------------------
//
// ���ܣ�����Ҫ�ض���
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
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//---------------------------------------------------------------------------------------
public bool UpdateFeature(ParcelProperty newFeatureValue)
{
MgResourceService resService = (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
MgFeatureService featService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
string filterString = "Autogenerated_SDF_ID = " + newFeatureValue.ID;
query.SetFilter(filterString);
MgResourceIdentifier resId = new MgResourceIdentifier("Library://MgTutorial/Data/Parcels.FeatureSource");
MgFeatureReader featureReader = featService.SelectFeatures(resId, "Parcels", query);
if (featureReader.ReadNext())
{
featureReader.Close();
MgPropertyCollection properties = buildPropertyCol(newFeatureValue);
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
commands.Add(new MgUpdateFeatures("SHP_Schema:Parcels", properties, filterString));
featService.UpdateFeatures(resId, commands, false);
return true;
}
featureReader.Close();
return false;
}
public ParcelProperty GetFirstSelectedFeature()
{
MgResourceService resService = (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
MgFeatureService featService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgMap map = new MgMap();
map.Open(resService, "Sheboygan");
MgSelection mapSelection = new MgSelection(map);
mapSelection.Open(resService, "Sheboygan");
MgReadOnlyLayerCollection layers = mapSelection.GetLayers();
if (layers == null)
return null;
ParcelProperty prop = new ParcelProperty();
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayer layer = layers.GetItem(i);
if ((layer != null) && (layer.GetName() == "Parcels"))
{
String layerClassName = layer.GetFeatureClassName();
String selectString = mapSelection.GenerateFilter(layer, layerClassName);
String layerFeatureIdString = layer.GetFeatureSourceId();
MgResourceIdentifier layerResId = new MgResourceIdentifier(layerFeatureIdString);
MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
queryOptions.SetFilter(selectString);
MgFeatureReader featReader = featService.SelectFeatures(layerResId, layerClassName, queryOptions);
if (featReader.ReadNext())
{
prop.ID = featReader.GetInt32("Autogenerated_SDF_ID");
prop.Acreage = featReader.GetString("RACRE");
prop.BillingAddr = featReader.GetString("RBILAD");
prop.Description1 = featReader.GetString("RLDESCR1");
prop.Description2 = featReader.GetString("RLDESCR2");
prop.Description3 = featReader.GetString("RLDESCR3");
prop.Description4 = featReader.GetString("RLDESCR4");
prop.LotDimension = featReader.GetString("RLOT");
prop.LotSize = featReader.GetInt32("RSQFT");
prop.Owner = featReader.GetString("RNAME");
prop.Zoning = featReader.GetString("RTYPE");
featReader.Close();
return prop;
}
featReader.Close();
}
}
return null;
}
//---------------------------------------------------------------------------------------
//
// ���ܣ�����һ����ΪtempParcel����ʱ��
//
// ���ߣ�
//
// ���ڣ� 2007.5.23
//
// ����ʷ����
//
//---------------------------------------------------------------------------------------
public void createTempParcels(MgPolygon geom, ParcelProperty newParcel, string sessionId)
{
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgResourceService resService = (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
// ��ȡ��ͼ����
MgMap map = new MgMap();
map.Open(resService, "Sheboygan");
// ������ʱ��
MgResourceIdentifier tempLayerSourceId = new MgResourceIdentifier("Session:" + sessionId + "//tempParcel.FeatureSource");
MgLayer tempParcelLayer = getLayerByName(map, "TempParcels");
if (tempParcelLayer == null)
{
createTempParcelFeatureSource(featureService, tempLayerSourceId);
tempParcelLayer = createTempParcelLayer(resService, tempLayerSourceId, sessionId);
map.GetLayers().Insert(0, tempParcelLayer);
}
//��Ҫ��Դ�в���Ҫ������
MgPropertyCollection props = populateParcelFeatureAttributes(geom, newParcel);
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
commands.Add(new MgInsertFeatures("tempParcel", props));
featureService.UpdateFeatures(tempLayerSourceId, commands, false);
tempParcelLayer.SetVisible(true);
tempParcelLayer.ForceRefresh();
map.Save(resService);
}