Hi i have configurate MGOS 2.0.2 whit .Net and IIS, i try to make application
but when i try to use the example to find a feature like a parcel whit id i
have problem i run this code and dont have error but the xml select dont return
nothing because is null only show the head of xml. I change the call of
GetGeometry method whit "Geom" in the example is "Data" because i dont have
"Data" attribute whit geometric i have "Geom" whit geometric attribute. The
layer is a SDF i build it whit autocad map 2009 and firts its a shape file and
i convert to SDF to use whit MGOS.
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using OSGeo.MapGuide;
using System.Collections.Specialized;
using System.Text.RegularExpressions;
public partial class gis_ubicacion_GISFrmInformacionLote : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
NameValueCollection requestParams = Request.HttpMethod == "GET" ?
Request.QueryString : Request.Form;
String mgSessionId = requestParams["SESSION"];
String mgLocale = requestParams["LOCALE"];
String mgMapName = "mss_map";
String realPath = Request.ServerVariables["APPL_PHYSICAL_PATH"];
String configPath = realPath + "..\\webconfig.ini";
MapGuideApi.MgInitializeWebTier(configPath);
MgUserInformation userInfo = new MgUserInformation(mgSessionId);
MgSiteConnection siteConnection = new MgSiteConnection();
siteConnection.Open(userInfo);
MgMap map = new MgMap(siteConnection);
map.Open(mgMapName);
MgFeatureQueryOptions districtQuery = new MgFeatureQueryOptions();
districtQuery.SetFilter("IDLOT = '40010101'");
MgLayer layer = map.GetLayers().GetItem("lay_lote") as MgLayer;
MgFeatureReader featureReader = layer.SelectFeatures(districtQuery);
featureReader.ReadNext();
MgByteReader districtGeometryData = featureReader.GetGeometry("Geom");
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometry districtGeometry =
agfReaderWriter.Read(districtGeometryData);
MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
queryOptions.SetFilter("IDLOT = '40010101'");
queryOptions.SetSpatialFilter("SHPGEOM",districtGeometry,MgFeatureSpatialOperations.Inside);
layer = map.GetLayers().GetItem("lay_lote") as MgLayer;
featureReader = layer.SelectFeatures(queryOptions);
layer = map.GetLayers().GetItem("lay_lote") as MgLayer;
MgSelection selection = new MgSelection(map);
selection.AddFeatures(layer, featureReader, 0);
String selectionXml = selection.ToXml();
litSelectionXml.Text = Server.HtmlEncode(selectionXml);
hfSelectionXml.Value = selectionXml;
}
}
Pd. Sorry for my english i speek spanish.
Miguel Vasquez
Especialista GIS
Municipalidad de Santiago de Surco.
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