public LocalNativeSqlReader(MgSqlDataReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
Close();
if (_agfRw != null)
{
try
{
_agfRw.Dispose();
}
catch (MgException ex)
{
ex.Dispose();
}
_agfRw = null;
}
if (_wktRw != null)
{
try
{
_wktRw.Dispose();
}
catch (MgException ex)
{
ex.Dispose();
}
_wktRw = null;
}
}
base.Dispose(disposing);
}
public SpatialContextResultDialog(MgSpatialContextReader reader)
: this()
{
_reader = reader;
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
StringBuilder sb = new StringBuilder();
while (_reader.ReadNext())
{
MgGeometry geom = null;
if (_reader.ExtentType == MgSpatialContextExtentType.scStatic)
{
geom = _agfRW.Read(_reader.Extent);
}
sb.AppendFormat("Spatial Context{0}\tName: {1}{0}\tDescription: {2}{0}\tCoordinate System: {3}{0}\tCoordinate System Wkt: {4}{0}\tExtent Type {5}{0}\tExtents (if applicable): {6}{0}\tXY Tolerance: {7}{0}\tZ Tolerance: {8}{0}\tIs Active: {9}{0}{0}",
Environment.NewLine,
_reader.Name,
_reader.Description,
_reader.CoordinateSystem,
_reader.CoordinateSystemWkt,
_reader.ExtentType == MgSpatialContextExtentType.scDynamic ? "Dynamic" : "Static",
geom != null ? _wktRW.Write(geom) : "N/A",
_reader.XYTolerance,
_reader.ZTolerance,
_reader.IsActive());
}
textBox1.Text = sb.ToString();
_reader.Close();
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
var wkt = new MgWktReaderWriter();
MgPoint geom1 = wkt.Read("POINT XY (1.0 1.0)") as MgPoint;
MgPoint geom2 = wkt.Read("POINT XY (2.0 2.0)") as MgPoint;
MgPoint geom3 = wkt.Read("POINT XY (1.0 1.0)") as MgPoint;
MgPointCollection coll = new MgPointCollection();
coll.Add(geom1);
coll.Add(geom2);
coll.Add(geom3);
Assert.AreEqual(3, coll.Count);
Assert.IsTrue(geom1.Equals(coll[0]));
Assert.IsTrue(coll[0].Equals(coll[2]));
Assert.IsFalse(coll[0].Equals(coll[1]));
coll[0] = coll[1];
Assert.IsTrue(coll[0].Equals(coll[1]));
double x = 0.0;
foreach (MgPoint geom in coll)
{
x += geom.GetCoordinate().GetX();
}
Assert.AreEqual(5.0, x);
}
public LocalNativeDataReader(MgDataReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
}
public SpatialContextResultDialog(MgSpatialContextReader reader)
: this()
{
_reader = reader;
_wktRW = new MgWktReaderWriter();
_agfRW= new MgAgfReaderWriter();
StringBuilder sb = new StringBuilder();
while (_reader.ReadNext())
{
MgGeometry geom = null;
if (_reader.ExtentType == MgSpatialContextExtentType.scStatic)
{
geom = _agfRW.Read(_reader.Extent);
}
sb.AppendFormat("Spatial Context{0}\tName: {1}{0}\tDescription: {2}{0}\tCoordinate System: {3}{0}\tCoordinate System Wkt: {4}{0}\tExtent Type {5}{0}\tExtents (if applicable): {6}{0}\tXY Tolerance: {7}{0}\tZ Tolerance: {8}{0}\tIs Active: {9}{0}{0}",
Environment.NewLine,
_reader.Name,
_reader.Description,
_reader.CoordinateSystem,
_reader.CoordinateSystemWkt,
_reader.ExtentType == MgSpatialContextExtentType.scDynamic ? "Dynamic" : "Static",
geom != null ? _wktRW.Write(geom) : "N/A",
_reader.XYTolerance,
_reader.ZTolerance,
_reader.IsActive());
}
textBox1.Text = sb.ToString();
_reader.Close();
}
void OnDisposed(object sender, EventArgs e)
{
if (_wktRw != null)
{
_wktRw.Dispose();
_wktRw = null;
}
}
public LocalNativeFeatureReader(MgFeatureReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
base.ClassDefinition = Utility.ConvertClassDefinition(reader.GetClassDefinition());
base.FieldCount = reader.GetPropertyCount();
}
public LocalNativeFeatureReader(MgFeatureReader reader)
{
_reader = reader;
_mgReader = new FixedWKTReader();
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
base.ClassDefinition = Utility.ConvertClassDefinition(reader.GetClassDefinition());
base.FieldCount = reader.GetPropertyCount();
}
void OnDisposed(object sender, EventArgs e)
{
_properties.Clear();
_layers.Clear();
_wktRw.Dispose();
_wktRw = null;
_geomFact.Dispose();
_geomFact = null;
}
public RedlineEditor(IMapViewer viewer, RedlineLayer layer)
{
_viewer = viewer;
_layer = layer;
var provider = viewer.GetProvider();
_featSvc = (MgFeatureService)provider.CreateService(MgServiceType.FeatureService);
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
_geomFact = new MgGeometryFactory();
}
string pointTransformAndWriteZ(string geom, MgMap map)
{
double[] x = new double[1];
double[] y = new double[1];
double[] z = new double[1];
MgWktReaderWriter wktrwdmr = new MgWktReaderWriter();
MgPoint cntr = wktrwdmr.Read(geom).Centroid;
x[0] = cntr.Coordinate.X;
y[0] = cntr.Coordinate.Y;
z[0] = 0;
StringBuilder output = new StringBuilder();
output.Append("<table width=\"100%\" class=\"results\">");
//WGS preko MG API
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem CSSource = fact.Create(wktFrom);
MgCoordinateSystem CSTarget = fact.Create(wktTo);
MgCoordinateSystemTransform coordTransform = fact.GetTransform(CSSource, CSTarget);
MgGeometryFactory geomFact = new MgGeometryFactory();
// GK
//samo prvo višino zaenkrat, dokler ni enačbe za Z
output.Append(String.Format("<tr><td class='header'><b>Map koordinates:</b></td><td class=\"results\"><table><tr><td><b>Y:</b></td><td>{0}</td></tr><tr><td><b>X:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.0}", x[0]), string.Format("{0:0.0}", y[0])));
int i = 0;
//transformacija preko MG koordinatnega sistema
foreach (double pointX in x)
{
MgCoordinate coord = geomFact.CreateCoordinateXY(x[i], y[i]);
coord = coordTransform.Transform(coord);
x[i] = coord.X;
y[i] = coord.Y;
i++;
}
double[] xwgs = x;
double[] ywgs = y;
output.Append(String.Format("<tr><td class='header'><b>WGS84:</b></td><td class=\"results\"><table><tr><td><b>Lon:</b></td><td>{0}</td></tr><tr><td><b>Lat:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.000000}", xwgs[0]), string.Format("{0:0.000000}", ywgs[0])));
output.Append("</table>");
return(output.ToString());
}
public RedlineEditor(IMapViewer viewer, RedlineLayer layer)
{
_viewer = viewer;
_layer = layer;
var provider = viewer.GetProvider();
_featSvc = (MgFeatureService)provider.CreateService(MgServiceType.FeatureService);
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
_geomFact = new MgGeometryFactory();
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
var resSvc = (MgResourceService)factory.CreateService(MgServiceType.ResourceService);
var renderSvc = (MgRenderingService)factory.CreateService(MgServiceType.RenderingService);
var root = "../../TestData/TileService/";
Utils.LoadResource(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", root + "UT_RoadCenterLines.fs");
Utils.LoadResourceData(resSvc, "Library://UnitTests/Data/RoadCenterLines.FeatureSource", "UT_RoadCenterLines.sdf", MgResourceDataType.File, root + "UT_RoadCenterLines.sdf");
Utils.LoadResource(resSvc, "Library://UnitTests/Layers/RoadCenterLines.LayerDefinition", root + "UT_RoadCenterLines.ldf");
Utils.LoadResource(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", root + "UT_VotingDistricts.fs");
Utils.LoadResourceData(resSvc, "Library://UnitTests/Data/VotingDistricts.FeatureSource", "UT_VotingDistricts.sdf", MgResourceDataType.File, root + "UT_VotingDistricts.sdf");
Utils.LoadResource(resSvc, "Library://UnitTests/Layers/VotingDistricts.LayerDefinition", root + "UT_VotingDistricts.ldf");
Utils.LoadResource(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", root + "UT_Parcels.fs");
Utils.LoadResourceData(resSvc, "Library://UnitTests/Data/Parcels.FeatureSource", "UT_Parcels.sdf", MgResourceDataType.File, root + "UT_Parcels.sdf");
Utils.LoadResource(resSvc, "Library://UnitTests/Layers/Parcels.LayerDefinition", root + "UT_Parcels.ldf");
Utils.LoadResource(resSvc, "Library://UnitTests/Maps/BaseMap.MapDefinition", root + "UT_BaseMap.mdf");
var mdfId = new MgResourceIdentifier("Library://UnitTests/Maps/BaseMap.MapDefinition");
//This is a sample request from the AJAX viewer. It selected 7 features. It should do the same here.
var dpi = 96;
var width = 773;
var height = 696;
var scale = 4345.697945713148;
var x = -87.72117757411266;
var y = 43.7527161153258;
var wkt = "POLYGON((-87.72250482778884 43.75497812742761, -87.72134799968197 43.75497812742761, -87.72134799968197 43.75358373640595, -87.72250482778884 43.75358373640595, -87.72250482778884 43.75497812742761))";
var map = (MgMap)factory.CreateMap(mdfId, mdfId.Name, width, height, x, y, scale, dpi);
var wktRw = new MgWktReaderWriter();
var geom = wktRw.Read(wkt);
var layerNames = new MgStringCollection();
layerNames.Add("Parcels");
var result = renderSvc.QueryFeatures(map, layerNames, geom, MgFeatureSpatialOperations.Intersects, -1);
var sel = result.GetSelection();
sel.SetMap(map);
var total = 0;
var selLayers = sel.GetLayers();
foreach (var sl in selLayers)
{
total += sel.GetSelectedFeaturesCount(sl, sl.FeatureClassName);
}
Assert.AreEqual(7, total);
}
// GET: Search/Results
public ActionResult Results(SearchInputModel 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];
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
//Don't fret about the input here. This is not a SQL injection attack vector. This filter string is
//not SQL, it's a FDO filter. A 'DROP TABLE' or any other destructive SQL will fail on
//query execution when this filter is parsed to a FDO filter.
switch (input.By)
{
case "OWNER":
query.SetFilter("RNAME LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "ADDRESS":
query.SetFilter("RPROPAD LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "BBOX":
double[] parts = input.Query.Split(',').Select(s => double.Parse(s, CultureInfo.InvariantCulture)).ToArray();
if (parts.Length != 4)
{
throw new Exception("Invalid BBOX parameter");
}
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgGeometry filterGeom = wktRw.Read(MakeWktPolygon(parts[0], parts[1], parts[2], parts[3]));
query.SetSpatialFilter(layer.FeatureGeometryName, filterGeom, MgFeatureSpatialOperations.Intersects);
break;
default:
throw new Exception("Unknown query type: " + input.By);
}
SearchResultViewModel vm = new SearchResultViewModel();
vm.Session = input.Session;
vm.MapName = input.MapName;
vm.LoadResults(layer, query);
return(View(vm));
}
void OnDisposed(object sender, EventArgs e)
{
if (_wktRw != null)
{
_wktRw.Dispose();
_wktRw = null;
}
if (_geomFact != null)
{
_geomFact.Dispose();
_geomFact = null;
}
}
MgPropertyCollection MakePoint(String name, double x, double y, MgWktReaderWriter wktReaderWriter, MgAgfReaderWriter agfReaderWriter)
{
MgPropertyCollection propertyCollection = new MgPropertyCollection();
MgStringProperty nameProperty = new MgStringProperty("NAME", name);
propertyCollection.Add(nameProperty);
MgGeometry geometry = wktReaderWriter.Read("POINT XY (" + x + " " + y + ")");
MgByteReader geometryByteReader = agfReaderWriter.Write(geometry);
MgGeometryProperty geometryProperty = new MgGeometryProperty("GEOM", geometryByteReader);
propertyCollection.Add(geometryProperty);
return(propertyCollection);
}
public override void Invoke()
{
var viewer = this.Viewer;
viewer.DigitizeCircle((x, y, r) =>
{
if (_wktRw == null)
{
_wktRw = new MgWktReaderWriter();
}
MgGeometry geom = _wktRw.Read(Util.MakeWktCircle(x, y, r, true));
viewer.SelectByGeometry(geom);
});
}
private void InitBase(IMapViewer viewer)
{
this.Title = Strings.TitleQuery;
this.Disposed += new EventHandler(OnDisposed);
_viewer = viewer;
_properties = new BindingList<MgDataPropertyDefinition>();
_layers = new BindingList<MgLayerBase>();
_wktRw = new MgWktReaderWriter();
_geomFact = new MgGeometryFactory();
cmbOperator.DataSource = Enum.GetValues(typeof(QueryOperator));
cmbLayer.DataSource = _layers;
cmbProperty.DataSource = _properties;
cmbOperator.SelectedIndex = 0;
}
private void InitBase(IMapViewer viewer)
{
this.Title = Strings.TitleQuery;
this.Disposed += new EventHandler(OnDisposed);
_viewer = viewer;
_properties = new BindingList <MgDataPropertyDefinition>();
_layers = new BindingList <MgLayerBase>();
_wktRw = new MgWktReaderWriter();
_geomFact = new MgGeometryFactory();
cmbOperator.DataSource = Enum.GetValues(typeof(QueryOperator));
cmbLayer.DataSource = _layers;
cmbProperty.DataSource = _properties;
cmbOperator.SelectedIndex = 0;
}
public DigitizingAndRedlining(IMapViewer viewer)
{
InitializeComponent();
_viewer = viewer;
_geomFact = new MgGeometryFactory();
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
this.Title = "Digitizing and Redlining";
_viewer.PropertyChanged += OnViewerPropertyChanged;
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
if (layers.IndexOf("Redline") >= 0)
{
_redlineLayer = (MgdLayer)layers.GetItem("Redline");
}
CheckDigitizingState();
}
// GET: Search/Results
public ActionResult Results(SearchInputModel 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);
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
//Don't fret about the input here. This is not a SQL injection attack vector. This filter string is
//not SQL, it's a FDO filter. A 'DROP TABLE' or any other destructive SQL will fail on
//query execution when this filter is parsed to a FDO filter.
switch (input.By)
{
case "OWNER":
query.SetFilter("RNAME LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "ADDRESS":
query.SetFilter("RPROPAD LIKE '%" + input.Query.Replace("'", "\'") + "%'");
break;
case "BBOX":
double[] parts = input.Query.Split(',').Select(s => double.Parse(s, CultureInfo.InvariantCulture)).ToArray();
if (parts.Length != 4)
{
throw new Exception("Invalid BBOX parameter");
}
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgGeometry filterGeom = wktRw.Read(MakeWktPolygon(parts[0], parts[1], parts[2], parts[3]));
query.SetSpatialFilter(layer.FeatureGeometryName, filterGeom, MgFeatureSpatialOperations.Intersects);
break;
default:
throw new Exception("Unknown query type: " + input.By);
}
SearchResultViewModel vm = new SearchResultViewModel();
vm.Session = input.Session;
vm.MapName = input.MapName;
vm.LoadResults(layer, query);
return View(vm);
}
public DigitizingAndRedlining(IMapViewer viewer)
{
InitializeComponent();
_viewer = viewer;
_geomFact = new MgGeometryFactory();
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
this.Title = "Digitizing and Redlining";
_viewer.PropertyChanged += OnViewerPropertyChanged;
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
if (layers.IndexOf("Redline") >= 0)
{
_redlineLayer = (MgdLayer)layers.GetItem("Redline");
}
CheckDigitizingState();
}
protected override void OnLoad(EventArgs e)
{
_wktRw = new MgWktReaderWriter();
_geomFact = new MgGeometryFactory();
new MapViewerController(mgMapViewer1, //The MgMapViewer
mgLegend1, //The MgLegend
this, //The IMapStatusBar
mgPropertyPane1); //The MgPropertyPane
MgdServiceFactory factory = new MgdServiceFactory();
MgdResourceService resSvc = (MgdResourceService)factory.CreateService(MgServiceType.ResourceService);
MgResourceIdentifier mapDefId = new MgResourceIdentifier("Library://Samples/Sheboygan/Maps/Sheboygan.MapDefinition");
//If this map definition doesn't exist, we ask the user to
//load the Sheboygan package
if (!resSvc.ResourceExists(mapDefId))
{
using (OpenFileDialog diag = new OpenFileDialog())
{
diag.Filter = "MapGuide Packages (*.mgp)|*.mgp";
if (diag.ShowDialog() == DialogResult.OK)
{
MgByteSource source = new MgByteSource(diag.FileName);
MgByteReader reader = source.GetReader();
resSvc.ApplyResourcePackage(reader);
}
else
{
//No map, nothing to do here
Application.Exit();
}
}
}
//Create our runtime map
MgdMap map = new MgdMap(mapDefId);
//Create our viewer provider
MgMapViewerProvider provider = new MgDesktopMapViewerProvider(map);
//Initialize our viewer with this provider
mgMapViewer1.Init(provider);
UpdateButtonCheckedState();
}
private void OnPointDrawn(double x, double y)
{
if (_pointLayer == null) //Our point layer doesn't exist
{
CreateRedlineLayer();
}
//Now insert our point. This code should look familiar
//to you, setting up the MgPropertyCollection for insertion
MgPropertyCollection props = new MgPropertyCollection();
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
MgGeometry geom = wktRw.Read("POINT (" + x + " " + y + ")");
MgByteReader agf = agfRw.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty("Geometry", agf);
props.Add(geomProp);
//Here's where we differ from the official MapGuide API
//instead of a monolithic UpdateFeatures() that tries to
//do everything, we have individual InsertFeatures/DeleteFeatures/UpdateFeatures
//methods. So here's the mg-desktop way
MgFeatureReader result = _pointLayer.InsertFeatures(props);
result.Close();
//Or if you have have access to the MgdLayer instance
/*
* MgResourceIdentifier fsId = new MgResourceIdentifier(_pointLayer.GetFeatureSourceId());
* MgServiceFactory factory = new MgServiceFactory();
* MgdFeatureService featSvc = (MgdFeatureService)factory.CreateService(MgServiceType.FeatureService);
* MgFeatureReader fr = featSvc.InsertFeatures(fsId, "Default:Redline", props);
* fr.Close();
*/
//Now refresh to see your newly drawn point
mgMapViewer1.RefreshMap();
}
protected override void OnLoad(EventArgs e)
{
_wktRw = new MgWktReaderWriter();
_geomFact = new MgGeometryFactory();
new MapViewerController(mgMapViewer1, //The MgMapViewer
mgLegend1, //The MgLegend
this, //The IMapStatusBar
mgPropertyPane1); //The MgPropertyPane
MgdServiceFactory factory = new MgdServiceFactory();
MgdResourceService resSvc = (MgdResourceService)factory.CreateService(MgServiceType.ResourceService);
MgResourceIdentifier mapDefId = new MgResourceIdentifier("Library://Samples/Sheboygan/Maps/Sheboygan.MapDefinition");
//If this map definition doesn't exist, we ask the user to
//load the Sheboygan package
if (!resSvc.ResourceExists(mapDefId))
{
using (OpenFileDialog diag = new OpenFileDialog())
{
diag.Filter = "MapGuide Packages (*.mgp)|*.mgp";
if (diag.ShowDialog() == DialogResult.OK)
{
MgByteSource source = new MgByteSource(diag.FileName);
MgByteReader reader = source.GetReader();
resSvc.ApplyResourcePackage(reader);
}
else
{
//No map, nothing to do here
Application.Exit();
}
}
}
//Create our runtime map
MgdMap map = new MgdMap(mapDefId);
//Create our viewer provider
MgMapViewerProvider provider = new MgDesktopMapViewerProvider(map);
//Initialize our viewer with this provider
mgMapViewer1.Init(provider);
UpdateButtonCheckedState();
}
public static void WellKnownText()
{
MgAgfReaderWriter agfReaderWriter;
MgWktReaderWriter wktReaderWriter;
MgPoint pt11FromText;
MgPoint pt11;
var pt11TextSpec = "POINT XY ( 1 1 )";
MgByteReader byteReader;
string geometryAgfText;
agfReaderWriter = new MgAgfReaderWriter();
wktReaderWriter = new MgWktReaderWriter();
// In the string to geometry direction:
pt11FromText = wktReaderWriter.Read(pt11TextSpec) as MgPoint;
byteReader = agfReaderWriter.Write(pt11FromText);
// In the geometry to string direction:
pt11 = (MgPoint)agfReaderWriter.Read(byteReader);
geometryAgfText = wktReaderWriter.Write(pt11);
// geometryAgfText now contains the text representation of the geometry
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string sessionId = GetRequestParameters(Request)["SESSION"];
string mapName = GetRequestParameters(Request)["MAPNAME"];
string locale = GetRequestParameters(Request)["LOCALE"];
if (string.IsNullOrEmpty(sessionId))
{
Response.Clear();
Response.End();
return;
}
if (string.IsNullOrEmpty(mapName))
{
Response.Clear();
Response.End();
return;
}
MgResourceService resourceSrvc = GetMgResurceService(sessionId);
MgFeatureService featureSrvc = GetMgFeatureService(sessionId);
MgMap map = new MgMap();
map.Open(resourceSrvc, mapName);
string layernames = GetRequestParameters(Request)["LAYERNAMES"];
string GEOMETRY = GetRequestParameters(Request)["GEOMETRY"];
string selVar = GetRequestParameters(Request)["SELECTIONVARIANT"];
string type = GetRequestParameters(Request)["tp"];
string inputSel = GetRequestParameters(Request)["SELECTION"];
bool hasInputGeom = false;
if (!string.IsNullOrEmpty(GEOMETRY))
{
hasInputGeom = true;
}
//selection ima prednost pred podano geometrijo ...
MgWktReaderWriter wktrw = new MgWktReaderWriter();
if (!string.IsNullOrEmpty(inputSel))
{
MgGeometry inputGeom = MultiGeometryFromSelection(featureSrvc, map, inputSel);
GEOMETRY = wktrw.Write(inputGeom);
}
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
int nLayer = 0;
// pobrišem in zgradim na novo samo tiste, ki imajo zadetke ...
int nSloj = 0;
string filter = "";
StringBuilder sbOut = new StringBuilder();
sbOut.Append("<table width=\"100%\" class=\"results\">");
sbOut.Append("<tr><td class='header'></td><td class='header'>" + "Layer" + "</td><td class='header' align=\"center\">" + "Select" + "</td><td class='header' align=\"center\">" + "Report" + "</td></tr>");
MgSelection selAll = new MgSelection(map);
foreach (MgLayer layer in map.GetLayers())
{
if (type != "2")
{
if (!layer.IsVisible())
{
goto nextlay;
}
}
if (layer.LegendLabel == "")
{
goto nextlay;
}
try
{
nLayer++;
filter = String.Format("{0} {1} GeomFromText('{2}')", layer.GetFeatureGeometryName(), selVar, GEOMETRY);
//preveriti še filter na Layerju. Ker ne gre drugače, je potrebno pogledati v XML
MgResourceIdentifier layerDefResId = layer.GetLayerDefinition();
MgByteReader byteReader = resourceSrvc.GetResourceContent(layerDefResId);
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
String xmlLayerDef = byteReader.ToString();
doc.LoadXml(xmlLayerDef);
KALI.MGE.Objects.KALILayerDefinition.LayerDefinition ld = KALI.MGE.Objects.KALILayerDefinition.LayerDefinition.Parse(xmlLayerDef);
if (!string.IsNullOrEmpty(ld.VectorLayerDefinition.Filter))
{
filter += " AND (" + ld.VectorLayerDefinition.Filter + ")";
}
//query the features
MgFeatureQueryOptions opts = new MgFeatureQueryOptions();
opts.SetFilter(filter);
String featureClassName = layer.GetFeatureClassName();
MgResourceIdentifier srcId = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(srcId, featureClassName, opts);
bool hasResult = features.ReadNext();
if (hasResult)
{
nSloj++;
int n = 0;
MgClassDefinition classDef = features.GetClassDefinition();
MgPropertyDefinitionCollection classDefProps = classDef.GetIdentityProperties();
ArrayList idPropNames = new ArrayList(classDefProps.GetCount());
for (int j = 0; j < classDefProps.GetCount(); j++)
{
MgPropertyDefinition idProp = classDefProps.GetItem(j);
idPropNames.Add(idProp.GetName());
}
MgSelection sel = new MgSelection(map);
do
{
// Generate XML to selection this feature
MgPropertyCollection idProps = new MgPropertyCollection();
foreach (string id in idPropNames)
{
int idPropType = features.GetPropertyType(id);
switch (idPropType)
{
case MgPropertyType.Int32:
idProps.Add(new MgInt32Property(id, features.GetInt32(id)));
break;
case MgPropertyType.String:
idProps.Add(new MgStringProperty(id, features.GetString(id)));
break;
case MgPropertyType.Int64:
idProps.Add(new MgInt64Property(id, features.GetInt64(id)));
break;
case MgPropertyType.Double:
idProps.Add(new MgDoubleProperty(id, features.GetDouble(id)));
break;
case MgPropertyType.Single:
idProps.Add(new MgSingleProperty(id, features.GetSingle(id)));
break;
case MgPropertyType.DateTime:
idProps.Add(new MgDateTimeProperty(id, features.GetDateTime(id)));
break;
default:
//throw new SearchError(String.Format(MgLocalizer.GetString("SEARCHTYYPENOTSUP", locale), new Object[] { idPropType.ToString() }), searchError);
break;
}
}
sel.AddFeatureIds(layer, featureClassName, idProps);
selAll.AddFeatureIds(layer, featureClassName, idProps);
n++;
//if (n > 1000) break;
} while (features.ReadNext());
features.Close();
features.Dispose();
string selText = EscapeForHtml(sel.ToXml());
string seljs = "<div class=\"allLay\" onclick=\"parent.SetSelectionXML('" + selText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionZoomToSelected.png\"/></div>";
string seljs3 = "<div class=\"allLay\" onclick=\"parent.MultiGridShow('" + selText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionOpenTable.png\"/></div>";
string linfo = "<b>" + layer.LegendLabel + "</b><br />" + n.ToString() + " " + "Hits";
sbOut.Append("<tr><td class=\"results\">" + nSloj.ToString() + "</td><td class=\"results\">" + linfo + "</td><td align=\"center\" class=\"results\">" + seljs + "</td><td align=\"center\" class=\"results\">" + seljs3 + "</td></tr>");
}
}
catch (Exception)
{
continue;
}
nextlay:
continue;
}
sbOut.Append("</table>");
string selAllText = EscapeForHtml(selAll.ToXml());
string seljsAll = "<div class=\"allLay\" onclick=\"parent.SetSelectionXML('" + selAllText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionZoomToSelected.png\"/>" + "Select All" + "</div>";
string seljsAll3 = "<div class=\"allLay\" onclick=\"parent.MultiGridShow('" + selAllText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionOpenTable.png\"/>" + "Report All" + "</div>";
sbOut.Append(string.Format("<br /><table width=\"100%\" class=\"results\"><tr><td class=\"results\">{0}</td><td class=\"results\">{1}</td></tr></table>", seljsAll, seljsAll3));
featureSrvc.Dispose();
resourceSrvc.Dispose();
if (nSloj > 0)
{
litPrebodi.Text = sbOut.ToString();
}
else
{
litPrebodiTitle.Visible = false;
litPrebodi.Text = "<b>" + "None layer lies below the selected item/area!" + "</b>";
}
MgGeometry inGeom = wktrw.Read(GEOMETRY);
double rw = map.ViewScale / Math.Sqrt(inGeom.Area);
//koordinate
if (hasInputGeom & rw > 400)
{
string output = "";
output = pointTransformAndWriteZ(GEOMETRY, map);
litKoordinate.Text = output;
litKoordinateTitle.Text = "Coordinates of selected points:";
}
}
}
private void btnCreatePointsOfInterest_Click(object sender, EventArgs e)
{
string layerName = "Points";
string legendLabel = "Points of Interest";
string groupName = "Analysis";
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//We use MgdFeatureService instead of MgFeatureService as this sample demonstrates APIs unique to mg-desktop
MgdFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerGroupCollection groups = map.GetLayerGroups();
//NOTE: mg-desktop has no formal concept of a session repository, but we still
//support session-based resources as a form of temporary resource (for the duration
//of the application). Session ids in mg-desktop can be any arbitrary string
string sessionId = Guid.NewGuid().ToString();
if (layers.IndexOf(layerName) >= 0)
{
MessageBox.Show("Layer (" + layerName + ") already created");
return;
}
//---------------------------------------------------//
// Create a feature source with point data.
// (The Sheboygan sample data does not contain such data,
// so we"ll create it.)
// Create a feature class definition for the new feature source
MgClassDefinition classDefinition = new MgClassDefinition();
classDefinition.SetName("Points");
classDefinition.SetDescription("Feature class with point data.");
classDefinition.SetDefaultGeometryPropertyName("GEOM");
MgPropertyDefinitionCollection idProps = classDefinition.GetIdentityProperties();
MgPropertyDefinitionCollection clsProps = classDefinition.GetProperties();
// Create an identify property
MgDataPropertyDefinition identityProperty = new MgDataPropertyDefinition("KEY");
identityProperty.SetDataType(MgPropertyType.Int32);
identityProperty.SetAutoGeneration(true);
identityProperty.SetReadOnly(true);
// Add the identity property to the class definition
clsProps.Add(identityProperty);
idProps.Add(identityProperty);
// Create a name property
MgDataPropertyDefinition nameProperty = new MgDataPropertyDefinition("NAME");
nameProperty.SetDataType(MgPropertyType.String);
// Add the name property to the class definition
clsProps.Add(nameProperty);
// Create a geometry property
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("GEOM");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Point);
// Add the geometry property to the class definition
clsProps.Add(geometryProperty);
// Create a feature schema
MgFeatureSchema featureSchema = new MgFeatureSchema("PointSchema", "Point schema");
MgClassDefinitionCollection classes = featureSchema.GetClasses();
// Add the feature schema to the class definition
classes.Add(classDefinition);
// Create the feature source
String featureSourceName = "Library://Samples/DevGuide/Data/points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
//wkt = "LOCALCS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]";
String wkt = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCreateSdfParams sdfParams = new MgCreateSdfParams("LatLong", wkt, featureSchema);
featureService.CreateFeatureSource(resourceIdentifier, sdfParams);
// We need to add some data to the sdf before using it. The spatial context
// reader must have an extent.
MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometryFactory geometryFactory = new MgGeometryFactory();
// Make four points
batchPropertyCollection.Add(MakePoint("Point A", -87.727, 43.748, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point B", -87.728, 43.730, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point C", -87.726, 43.750, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point D", -87.728, 43.750, wktReaderWriter, agfReaderWriter));
// Old way commented out
/*
// Add the batch property collection to the feature source
MgInsertFeatures cmd = new MgInsertFeatures("Points", batchPropertyCollection);
MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection();
featureCommandCollection.Add(cmd);
// Execute the "add" commands
featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false);
*/
// Here's the mg-desktop way
MgPropertyCollection insertResult = featureService.InsertFeatures(resourceIdentifier, "Points", batchPropertyCollection);
for (int i = 0; i < insertResult.GetCount(); i++)
{
MgFeatureProperty fp = insertResult.GetItem(i) as MgFeatureProperty;
if (fp != null)
{
MgFeatureReader fr = fp.GetValue();
fr.Close();
}
}
// ...
//---------------------------------------------------//
// Create a new layer
LayerDefinitionFactory factory = new LayerDefinitionFactory();
// Create a mark symbol
String resourceId = "Library://Samples/Sheboygan/Symbols/BasicSymbols.SymbolLibrary";
String symbolName = "PushPin";
String width = "24"; // unit = points
String height = "24"; // unit = points
String color = "FFFF0000";
String markSymbol = factory.CreateMarkSymbol(resourceId, symbolName, width, height, color);
// Create a text symbol
String text = "ID";
String fontHeight = "12";
String foregroundColor = "FF000000";
String textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor);
// Create a point rule.
String ruleLegendLabel = "trees";
String filter = "";
String pointRule = factory.CreatePointRule(ruleLegendLabel, filter, textSymbol, markSymbol);
// Create a point type style.
String pointTypeStyle = factory.CreatePointTypeStyle(pointRule);
// Create a scale range.
String minScale = "0";
String maxScale = "1000000000000";
String pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle);
// Create the layer definiton.
String featureName = "PointSchema:Points";
String geometry = "GEOM";
String layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange);
//---------------------------------------------------//
// ...
XmlDocument domDocument = new XmlDocument();
domDocument.LoadXml(layerDefinition);
//Add the layer to the map
// TODO: Should probably validate this XML content
using (MemoryStream ms = new MemoryStream())
{
domDocument.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] ldfBytes = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(ldfBytes));
ldfBytes = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, ldfBytes, 0);
// Save the new layer definition to the session repository
MgByteSource byteSource = new MgByteSource(ldfBytes, ldfBytes.Length);
MgResourceIdentifier resourceID = new MgResourceIdentifier("Session:" + sessionId + "//" + layerName + ".LayerDefinition");
resourceService.SetResource(resourceID, byteSource.GetReader(), null);
//Insert this layer to our map
MgdLayer newLayer = new MgdLayer(resourceID, resourceService);
newLayer.Name = layerName;
newLayer.LegendLabel = legendLabel;
newLayer.DisplayInLegend = true;
newLayer.SetVisible(true);
layers.Insert(0, newLayer);
//Create analysis group if not already created
if (groups.IndexOf(groupName) < 0)
{
MgLayerGroup group = new MgLayerGroup(groupName);
group.LegendLabel = groupName;
group.DisplayInLegend = true;
groups.Add(group);
newLayer.Group = group;
}
MessageBox.Show("Layer (" + layerName + ") created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
legend.RefreshLegend();
}
}
public override string QueryMapFeatures(RuntimeMap rtMap, int maxFeatures, string wkt, bool persist, string selectionVariant, QueryMapOptions extraOptions)
{
string runtimeMapName = rtMap.Name;
MgRenderingService rs = this.Connection.CreateService(MgServiceType.RenderingService) as MgRenderingService;
MgResourceService res = this.Connection.CreateService(MgServiceType.ResourceService) as MgResourceService;
MgMap map = new MgMap();
string mapname = runtimeMapName.IndexOf(":") > 0 ? new ResourceIdentifier(runtimeMapName).Path : runtimeMapName;
map.Open(res, mapname);
MgWktReaderWriter r = new MgWktReaderWriter();
MgStringCollection layerNames = null;
string featureFilter = "";
int layerAttributeFilter = 0;
int op = MgFeatureSpatialOperations.Intersects;
if (selectionVariant == "TOUCHES")
op = MgFeatureSpatialOperations.Touches;
else if (selectionVariant == "INTERSECTS")
op = MgFeatureSpatialOperations.Intersects;
else if (selectionVariant == "WITHIN")
op = MgFeatureSpatialOperations.Within;
else if (selectionVariant == "ENVELOPEINTERSECTS")
op = MgFeatureSpatialOperations.EnvelopeIntersects;
else
throw new ArgumentException("Unknown or unsupported selection variant: " + selectionVariant);
if (extraOptions != null)
{
if (!string.IsNullOrEmpty(extraOptions.FeatureFilter))
featureFilter = extraOptions.FeatureFilter;
if (extraOptions.LayerNames != null && extraOptions.LayerNames.Length > 0)
{
layerNames = new MgStringCollection();
foreach (var name in extraOptions.LayerNames)
layerNames.Add(name);
}
layerAttributeFilter = (int)extraOptions.LayerAttributeFilter;
}
MgFeatureInformation info = rs.QueryFeatures(map, layerNames, r.Read(wkt), op, featureFilter, maxFeatures, layerAttributeFilter);
string xml = "";
GetByteReaderMethod fetch = () => { return info.ToXml(); };
using (var sr = new StreamReader(new MgReadOnlyStream(fetch)))
{
xml = sr.ReadToEnd();
}
//We only want the FeatureSet element
var doc = new System.Xml.XmlDocument();
doc.LoadXml(xml);
xml = doc.DocumentElement["FeatureSet"].OuterXml;
MgSelection sel = new MgSelection(map, xml);
sel.Save(res, mapname);
LogMethodCall("QueryMapFeatures", true, runtimeMapName, wkt, persist, selectionVariant, extraOptions == null ? "null" : "QueryMapOptions");
return xml;
}
private void btnFindFeaturesInBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection selectedLayers = selection.GetLayers();
if (selectedLayers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
MgLayerBase layer = selectedLayers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 500; // measured in metres
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
string sessionId = Guid.NewGuid().ToString();
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
BufferHelper helper = new BufferHelper();
MgdLayer bufferLayer = null;
int layerIndex = map.GetLayers().IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
map.GetLayers().Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Check for a parcel marker layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the parcel markers.
MgdLayer parcelMarkerLayer = null;
layerIndex = map.GetLayers().IndexOf("ParcelMarker");
if (layerIndex < 0)
{
MgResourceIdentifier parcelFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//ParcelMarker.FeatureSource");
helper.CreateParcelMarkerFeatureSource(featureService, mapWktSrs, parcelFeatureResId);
parcelMarkerLayer = helper.CreateParcelMarkerLayer(resourceService, parcelFeatureResId, sessionId);
map.GetLayers().Insert(0, parcelMarkerLayer);
}
else
{
parcelMarkerLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
parcelMarkerLayer.DeleteFeatures("ID like '%'");
}
// Check each layer in the selection.
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
// Only check selected features in the Parcels layer.
MgdLayer layer = (MgdLayer)selectedLayers.GetItem(i);
if (layer.GetName() == "Parcels")
{
string geomName = layer.GetFeatureGeometryName();
System.Diagnostics.Trace.TraceInformation("Marking all parcels inside the buffer that are of type 'MFG'");
MgFeatureReader featureReader = selection.GetSelectedFeatures(layer, layer.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(geomName);
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Create a buffer from the merged geometries
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize);
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
// Create a filter to select parcels within the buffer. Combine
// a basic filter and a spatial filter to select all parcels
// within the buffer that are of type "MFG".
MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
queryOptions.SetFilter("RTYPE = 'MFG'");
queryOptions.SetSpatialFilter(geomName, bufferGeometry, MgFeatureSpatialOperations.Inside);
featureReader = layer.SelectFeatures(queryOptions);
// Get the features from the feature source,
// determine the centroid of each selected feature, and
// add a point to the ParcelMarker layer to mark the
// centroid.
// Collect all the points into an MgFeatureCommandCollection,
// so they can all be added in one operation.
MgFeatureCommandCollection parcelMarkerCommands = new MgFeatureCommandCollection();
int inserted = 0;
while (featureReader.ReadNext())
{
MgByteReader byteReader = featureReader.GetGeometry(geomName);
MgGeometry geometry = agfReaderWriter.Read(byteReader);
MgPoint point = geometry.GetCentroid();
// Create an insert command for this parcel.
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("ParcelLocation", agfReaderWriter.Write(point)));
//parcelMarkerCommands.Add(new MgInsertFeatures("ParcelMarkerClass", properties));
MgFeatureReader fr = parcelMarkerLayer.InsertFeatures(properties);
fr.Close();
inserted++;
}
featureReader.Close();
if (inserted == 0)
{
MessageBox.Show("No parcels within the buffer area match.");
return;
}
// Create a feature in the buffer feature source to show the area covered by the buffer.
MgPropertyCollection props = new MgPropertyCollection();
props.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
bufferLayer.InsertFeatures(props);
// Ensure that the buffer layer is visible and in the legend.
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
parcelMarkerLayer.SetVisible(true);
parcelMarkerLayer.ForceRefresh();
MessageBox.Show("Done");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
legend.RefreshLegend();
}
}
}
static GeomConverter()
{
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
_reader = new FixedWKTReader();
}
private void bgGridLoader_DoWork(object sender, DoWorkEventArgs e)
{
var reader = (MgReader)e.Argument;
var wktRw = new MgWktReaderWriter();
var agfRw = new MgAgfReaderWriter();
var cls = _layer.GetClassDefinition();
var idProps = cls.GetIdentityProperties();
var idNames = new List<string>();
for (int i = 0; i < idProps.Count; i++)
{
var prop = idProps.GetItem(i);
idNames.Add(prop.Name);
}
_identityProps = idNames.ToArray();
var propNames = new List<string>();
int propCount = reader.GetPropertyCount();
//.net 2.0 compatibility hack for set-like behaviour
var skipProps = new Dictionary<int, int>();
for (int i = 0; i < propCount; i++)
{
var pt = reader.GetPropertyType(i);
if (pt == MgPropertyType.Blob ||
pt == MgPropertyType.Clob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster)
{
skipProps[i] = i;
}
else
{
var name = reader.GetPropertyName(i);
_propMap.Add(name, pt);
propNames.Add(name);
}
}
try
{
bgGridLoader.ReportProgress(-1, new InitGridAction() { ColumnNames = propNames.ToArray() });
int read = 0;
while (reader.ReadNext())
{
object[] values = new object[propCount];
for (int i = 0; i < propCount; i++)
{
if (skipProps.ContainsKey(i))
continue;
if (reader.IsNull(i))
{
values[i] = null;
}
else
{
switch (reader.GetPropertyType(i))
{
case MgPropertyType.Boolean:
values[i] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
values[i] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
values[i] = ToClrDateTime(reader.GetDateTime(i));
break;
case MgPropertyType.Decimal:
case MgPropertyType.Double:
values[i] = reader.GetDouble(i);
break;
case MgPropertyType.Geometry:
{
try
{
var agf = reader.GetGeometry(i);
var geom = agfRw.Read(agf);
var env = geom.Envelope();
var envLL = env.LowerLeftCoordinate;
var envUR = env.UpperRightCoordinate;
var wkt = wktRw.Write(geom);
values[i] = new BoxedGeometry()
{
Text = wkt,
GeomBounds = new Bounds()
{
LowerX = envLL.X,
LowerY = envLL.Y,
UpperX = envUR.X,
UpperY = envUR.Y
}
};
}
catch
{
values[i] = null;
}
}
break;
case MgPropertyType.Int16:
values[i] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
values[i] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
values[i] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
values[i] = reader.GetSingle(i);
break;
case MgPropertyType.String :
values[i] = reader.GetString(i);
break;
}
}
}
bgGridLoader.ReportProgress(-1, new AddRow() { Values = values });
read++;
if ((_limit > 0 && read >= _limit))
break;
}
}
finally
{
reader.Close();
wktRw.Dispose();
agfRw.Dispose();
wktRw = null;
agfRw = null;
}
}
private void btnFindFeaturesInBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection selectedLayers = selection.GetLayers();
if (selectedLayers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
MgLayerBase layer = selectedLayers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 500; // measured in metres
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
string sessionId = Guid.NewGuid().ToString();
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
BufferHelper helper = new BufferHelper();
MgdLayer bufferLayer = null;
int layerIndex = map.GetLayers().IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
map.GetLayers().Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Check for a parcel marker layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the parcel markers.
MgdLayer parcelMarkerLayer = null;
layerIndex = map.GetLayers().IndexOf("ParcelMarker");
if (layerIndex < 0)
{
MgResourceIdentifier parcelFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//ParcelMarker.FeatureSource");
helper.CreateParcelMarkerFeatureSource(featureService, mapWktSrs, parcelFeatureResId);
parcelMarkerLayer = helper.CreateParcelMarkerLayer(resourceService, parcelFeatureResId, sessionId);
map.GetLayers().Insert(0, parcelMarkerLayer);
}
else
{
parcelMarkerLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
parcelMarkerLayer.DeleteFeatures("ID like '%'");
}
// Check each layer in the selection.
for (int i = 0; i < selectedLayers.GetCount(); i++)
{
// Only check selected features in the Parcels layer.
MgdLayer layer = (MgdLayer)selectedLayers.GetItem(i);
if (layer.GetName() == "Parcels")
{
string geomName = layer.GetFeatureGeometryName();
System.Diagnostics.Trace.TraceInformation("Marking all parcels inside the buffer that are of type 'MFG'");
MgFeatureReader featureReader = selection.GetSelectedFeatures(layer, layer.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(geomName);
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Create a buffer from the merged geometries
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize);
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
// Create a filter to select parcels within the buffer. Combine
// a basic filter and a spatial filter to select all parcels
// within the buffer that are of type "MFG".
MgFeatureQueryOptions queryOptions = new MgFeatureQueryOptions();
queryOptions.SetFilter("RTYPE = 'MFG'");
queryOptions.SetSpatialFilter(geomName, bufferGeometry, MgFeatureSpatialOperations.Inside);
featureReader = layer.SelectFeatures(queryOptions);
// Get the features from the feature source,
// determine the centroid of each selected feature, and
// add a point to the ParcelMarker layer to mark the
// centroid.
// Collect all the points into an MgFeatureCommandCollection,
// so they can all be added in one operation.
MgFeatureCommandCollection parcelMarkerCommands = new MgFeatureCommandCollection();
int inserted = 0;
while (featureReader.ReadNext())
{
MgByteReader byteReader = featureReader.GetGeometry(geomName);
MgGeometry geometry = agfReaderWriter.Read(byteReader);
MgPoint point = geometry.GetCentroid();
// Create an insert command for this parcel.
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("ParcelLocation", agfReaderWriter.Write(point)));
//parcelMarkerCommands.Add(new MgInsertFeatures("ParcelMarkerClass", properties));
MgFeatureReader fr = parcelMarkerLayer.InsertFeatures(properties);
fr.Close();
inserted++;
}
featureReader.Close();
if (inserted == 0)
{
MessageBox.Show("No parcels within the buffer area match.");
return;
}
// Create a feature in the buffer feature source to show the area covered by the buffer.
MgPropertyCollection props = new MgPropertyCollection();
props.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
bufferLayer.InsertFeatures(props);
// Ensure that the buffer layer is visible and in the legend.
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
parcelMarkerLayer.SetVisible(true);
parcelMarkerLayer.ForceRefresh();
MessageBox.Show("Done");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
}
private ReaderResponseDialog()
{
InitializeComponent();
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
}
//----------------------------------------------------------------------------------------
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//
// �� �ڣ�2007.05.#
//
//-----------------------------------------------------------------------------------------
public MgPropertyCollection MakePoint(string name, double x, double y)
{
MgPropertyCollection propertyCollection = new MgPropertyCollection();
MgStringProperty nameProperty = new MgStringProperty("NAME", name);
propertyCollection.Add(nameProperty);
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometry geometry = wktReaderWriter.Read("POINT XY (" + x.ToString() + " " + y.ToString() + ")");
MgByteReader geometryByteReader = agfReaderWriter.Write(geometry);
MgGeometryProperty geometryProperty = new MgGeometryProperty("GEOM", geometryByteReader);
propertyCollection.Add(geometryProperty);
return propertyCollection;
}
/// <summary>
/// Initializes this viewer with the specified viewer provider, if the provider contains a map
/// it will load that as well. Otherwise a call to <see cref="LoadMap"/> is required afterwards
/// </summary>
/// <param name="provider">The provider.</param>
public void Init(MgMapViewerProvider provider)
{
if (_agfRW == null)
_agfRW = new MgAgfReaderWriter();
if (_wktRW == null)
_wktRW = new MgWktReaderWriter();
if (_geomFact == null)
_geomFact = new MgGeometryFactory();
_provider = provider;
if (_resSvc != null) //Forward looking, dispose the existing one as it may be of a different implementation
{
_resSvc.Dispose();
_resSvc = null;
}
_resSvc = (MgResourceService)_provider.CreateService(MgServiceType.ResourceService);
_overlayRenderOpts = CreateMapRenderingOptions(0, 0, 255);
_selectionRenderOpts = CreateSelectionRenderingOptions(0, 0, 255);
if (_provider != null)
{
_provider.MapLoaded -= OnMapSetOnProvider;
_provider = null;
}
_provider = provider;
_provider.MapLoaded += OnMapSetOnProvider;
var map = _provider.GetMap();
if (map != null)
OnMapSetOnProvider(this, EventArgs.Empty);
}
/// <summary>
/// Releases the unmanaged resources used by the <see cref="T:System.Windows.Forms.Control"/> and its child controls and optionally releases the managed resources.
/// </summary>
/// <param name="disposing">true to release both managed and unmanaged resources; false to release only unmanaged resources.</param>
protected override void Dispose(bool disposing)
{
if (disposing)
{
base.MouseUp -= OnMapMouseUp;
base.MouseMove -= OnMapMouseMove;
base.MouseDown -= OnMapMouseDown;
base.MouseClick -= OnMapMouseClick;
base.MouseDoubleClick -= OnMapMouseDoubleClick;
base.MouseHover -= OnMapMouseHover;
base.MouseEnter -= OnMouseEnter;
base.MouseLeave -= OnMapMouseLeave;
if (renderWorker != null)
{
renderWorker.DoWork -= renderWorker_DoWork;
renderWorker.RunWorkerCompleted -= renderWorker_RunWorkerCompleted;
}
if (_csFact != null)
{
_csFact.Dispose();
_csFact = null;
}
if (_resSvc != null)
{
_resSvc.Dispose();
_resSvc = null;
}
if (_selection != null)
{
_selection.Dispose();
_selection = null;
}
if (_mapCs != null)
{
_mapCs.Dispose();
_mapCs = null;
}
if (_agfRW != null)
{
_agfRW.Dispose();
_agfRW = null;
}
if (_wktRW != null)
{
_wktRW.Dispose();
_wktRW = null;
}
if (_geomFact != null)
{
_geomFact.Dispose();
_geomFact = null;
}
if (_mapMeasure != null)
{
_mapMeasure.Dispose();
_mapMeasure = null;
}
}
base.Dispose(disposing);
}
void OnDisposed(object sender, EventArgs e)
{
_properties.Clear();
_layers.Clear();
_wktRw.Dispose();
_wktRw = null;
_geomFact.Dispose();
_geomFact = null;
}
private void bgGridLoader_DoWork(object sender, DoWorkEventArgs e)
{
var reader = (MgReader)e.Argument;
var wktRw = new MgWktReaderWriter();
var agfRw = new MgAgfReaderWriter();
var cls = _layer.GetClassDefinition();
var idProps = cls.GetIdentityProperties();
var idNames = new List <string>();
for (int i = 0; i < idProps.Count; i++)
{
var prop = idProps.GetItem(i);
idNames.Add(prop.Name);
}
_identityProps = idNames.ToArray();
var propNames = new List <string>();
int propCount = reader.GetPropertyCount();
//.net 2.0 compatibility hack for set-like behaviour
var skipProps = new Dictionary <int, int>();
for (int i = 0; i < propCount; i++)
{
var pt = reader.GetPropertyType(i);
if (pt == MgPropertyType.Blob ||
pt == MgPropertyType.Clob ||
pt == MgPropertyType.Feature ||
pt == MgPropertyType.Null ||
pt == MgPropertyType.Raster)
{
skipProps[i] = i;
}
else
{
var name = reader.GetPropertyName(i);
_propMap.Add(name, pt);
propNames.Add(name);
}
}
try
{
bgGridLoader.ReportProgress(-1, new InitGridAction()
{
ColumnNames = propNames.ToArray()
});
int read = 0;
while (reader.ReadNext())
{
object[] values = new object[propCount];
for (int i = 0; i < propCount; i++)
{
if (skipProps.ContainsKey(i))
{
continue;
}
if (reader.IsNull(i))
{
values[i] = null;
}
else
{
switch (reader.GetPropertyType(i))
{
case MgPropertyType.Boolean:
values[i] = reader.GetBoolean(i);
break;
case MgPropertyType.Byte:
values[i] = reader.GetByte(i);
break;
case MgPropertyType.DateTime:
values[i] = ToClrDateTime(reader.GetDateTime(i));
break;
case MgPropertyType.Decimal:
case MgPropertyType.Double:
values[i] = reader.GetDouble(i);
break;
case MgPropertyType.Geometry:
{
try
{
var agf = reader.GetGeometry(i);
var geom = agfRw.Read(agf);
var env = geom.Envelope();
var envLL = env.LowerLeftCoordinate;
var envUR = env.UpperRightCoordinate;
var wkt = wktRw.Write(geom);
values[i] = new BoxedGeometry()
{
Text = wkt,
GeomBounds = new Bounds()
{
LowerX = envLL.X,
LowerY = envLL.Y,
UpperX = envUR.X,
UpperY = envUR.Y
}
};
}
catch
{
values[i] = null;
}
}
break;
case MgPropertyType.Int16:
values[i] = reader.GetInt16(i);
break;
case MgPropertyType.Int32:
values[i] = reader.GetInt32(i);
break;
case MgPropertyType.Int64:
values[i] = reader.GetInt64(i);
break;
case MgPropertyType.Single:
values[i] = reader.GetSingle(i);
break;
case MgPropertyType.String:
values[i] = reader.GetString(i);
break;
}
}
}
bgGridLoader.ReportProgress(-1, new AddRow()
{
Values = values
});
read++;
if ((_limit > 0 && read >= _limit))
{
break;
}
}
}
finally
{
reader.Close();
wktRw.Dispose();
agfRw.Dispose();
wktRw = null;
agfRw = null;
}
}
private void btnCreatePointsOfInterest_Click(object sender, EventArgs e)
{
string layerName = "Points";
string legendLabel = "Points of Interest";
string groupName = "Analysis";
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//We use MgdFeatureService instead of MgFeatureService as this sample demonstrates APIs unique to mg-desktop
MgdFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
MgMapBase map = _viewer.GetMap();
MgLayerCollection layers = map.GetLayers();
MgLayerGroupCollection groups = map.GetLayerGroups();
//NOTE: mg-desktop has no formal concept of a session repository, but we still
//support session-based resources as a form of temporary resource (for the duration
//of the application). Session ids in mg-desktop can be any arbitrary string
string sessionId = Guid.NewGuid().ToString();
if (layers.IndexOf(layerName) >= 0)
{
MessageBox.Show("Layer (" + layerName + ") already created");
return;
}
//---------------------------------------------------//
// Create a feature source with point data.
// (The Sheboygan sample data does not contain such data,
// so we"ll create it.)
// Create a feature class definition for the new feature source
MgClassDefinition classDefinition = new MgClassDefinition();
classDefinition.SetName("Points");
classDefinition.SetDescription("Feature class with point data.");
classDefinition.SetDefaultGeometryPropertyName("GEOM");
MgPropertyDefinitionCollection idProps = classDefinition.GetIdentityProperties();
MgPropertyDefinitionCollection clsProps = classDefinition.GetProperties();
// Create an identify property
MgDataPropertyDefinition identityProperty = new MgDataPropertyDefinition("KEY");
identityProperty.SetDataType(MgPropertyType.Int32);
identityProperty.SetAutoGeneration(true);
identityProperty.SetReadOnly(true);
// Add the identity property to the class definition
clsProps.Add(identityProperty);
idProps.Add(identityProperty);
// Create a name property
MgDataPropertyDefinition nameProperty = new MgDataPropertyDefinition("NAME");
nameProperty.SetDataType(MgPropertyType.String);
// Add the name property to the class definition
clsProps.Add(nameProperty);
// Create a geometry property
MgGeometricPropertyDefinition geometryProperty = new MgGeometricPropertyDefinition("GEOM");
geometryProperty.SetGeometryTypes(MgFeatureGeometricType.Point);
// Add the geometry property to the class definition
clsProps.Add(geometryProperty);
// Create a feature schema
MgFeatureSchema featureSchema = new MgFeatureSchema("PointSchema", "Point schema");
MgClassDefinitionCollection classes = featureSchema.GetClasses();
// Add the feature schema to the class definition
classes.Add(classDefinition);
// Create the feature source
String featureSourceName = "Library://Samples/DevGuide/Data/points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
//wkt = "LOCALCS[\"*XY-MT*\",LOCAL_DATUM[\"*X-Y*\",10000],UNIT[\"Meter\", 1],AXIS[\"X\",EAST],AXIS[\"Y\",NORTH]]";
String wkt = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", wkt, featureSchema);
featureService.CreateFeatureSource(resourceIdentifier, sdfParams);
// We need to add some data to the sdf before using it. The spatial context
// reader must have an extent.
MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometryFactory geometryFactory = new MgGeometryFactory();
// Make four points
batchPropertyCollection.Add(MakePoint("Point A", -87.727, 43.748, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point B", -87.728, 43.730, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point C", -87.726, 43.750, wktReaderWriter, agfReaderWriter));
batchPropertyCollection.Add(MakePoint("Point D", -87.728, 43.750, wktReaderWriter, agfReaderWriter));
// Old way commented out
/*
* // Add the batch property collection to the feature source
* MgInsertFeatures cmd = new MgInsertFeatures("Points", batchPropertyCollection);
* MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection();
* featureCommandCollection.Add(cmd);
*
* // Execute the "add" commands
* featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false);
*/
// Here's the mg-desktop way
MgFeatureReader insertResult = featureService.InsertFeatures(resourceIdentifier, "Points", batchPropertyCollection);
insertResult.Close();
// ...
//---------------------------------------------------//
// Create a new layer
LayerDefinitionFactory factory = new LayerDefinitionFactory();
// Create a mark symbol
String resourceId = "Library://Samples/Sheboygan/Symbols/BasicSymbols.SymbolLibrary";
String symbolName = "PushPin";
String width = "24"; // unit = points
String height = "24"; // unit = points
String color = "FFFF0000";
String markSymbol = factory.CreateMarkSymbol(resourceId, symbolName, width, height, color);
// Create a text symbol
String text = "ID";
String fontHeight = "12";
String foregroundColor = "FF000000";
String textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor);
// Create a point rule.
String ruleLegendLabel = "trees";
String filter = "";
String pointRule = factory.CreatePointRule(ruleLegendLabel, filter, textSymbol, markSymbol);
// Create a point type style.
String pointTypeStyle = factory.CreatePointTypeStyle(pointRule);
// Create a scale range.
String minScale = "0";
String maxScale = "1000000000000";
String pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle);
// Create the layer definiton.
String featureName = "PointSchema:Points";
String geometry = "GEOM";
String layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange);
//---------------------------------------------------//
// ...
XmlDocument domDocument = new XmlDocument();
domDocument.LoadXml(layerDefinition);
//Add the layer to the map
// TODO: Should probably validate this XML content
using (MemoryStream ms = new MemoryStream())
{
domDocument.Save(ms);
ms.Position = 0L;
//Note we do this to ensure our XML content is free of any BOM characters
byte[] ldfBytes = ms.ToArray();
Encoding utf8 = Encoding.UTF8;
String layerDefStr = new String(utf8.GetChars(ldfBytes));
ldfBytes = new byte[layerDefStr.Length - 1];
int byteCount = utf8.GetBytes(layerDefStr, 1, layerDefStr.Length - 1, ldfBytes, 0);
// Save the new layer definition to the session repository
MgByteSource byteSource = new MgByteSource(ldfBytes, ldfBytes.Length);
MgResourceIdentifier resourceID = new MgResourceIdentifier("Session:" + sessionId + "//" + layerName + ".LayerDefinition");
resourceService.SetResource(resourceID, byteSource.GetReader(), null);
//Insert this layer to our map
MgdLayer newLayer = new MgdLayer(resourceID, resourceService);
newLayer.Name = layerName;
newLayer.LegendLabel = legendLabel;
newLayer.DisplayInLegend = true;
newLayer.SetVisible(true);
layers.Insert(0, newLayer);
//Create analysis group if not already created
if (groups.IndexOf(groupName) < 0)
{
MgLayerGroup group = new MgLayerGroup(groupName);
group.LegendLabel = groupName;
group.DisplayInLegend = true;
groups.Add(group);
newLayer.Group = group;
}
MessageBox.Show("Layer (" + layerName + ") created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
}
static GeomConverter()
{
_agfRw = new MgAgfReaderWriter();
_wktRw = new MgWktReaderWriter();
}
public LocalNativeRecord(MgReader reader, FixedWKTReader mgReader, MgAgfReaderWriter agfRw, MgWktReaderWriter wktRw)
{
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
string name = reader.GetPropertyName(i);
_ordinalMap[i] = name;
var pt = (PropertyValueType)reader.GetPropertyType(name);
switch (pt)
{
case PropertyValueType.Blob:
_values[name] = new BlobValue();
break;
case PropertyValueType.Boolean:
_values[name] = new BooleanValue();
break;
case PropertyValueType.Byte:
_values[name] = new ByteValue();
break;
case PropertyValueType.Clob:
_values[name] = new ClobValue();
break;
case PropertyValueType.DateTime:
_values[name] = new DateTimeValue();
break;
case PropertyValueType.Double:
_values[name] = new DoubleValue();
break;
case PropertyValueType.Feature:
_values[name] = new FeatureValue();
break;
case PropertyValueType.Geometry:
_values[name] = new GeometryValue();
break;
case PropertyValueType.Int16:
_values[name] = new Int16Value();
break;
case PropertyValueType.Int32:
_values[name] = new Int32Value();
break;
case PropertyValueType.Int64:
_values[name] = new Int64Value();
break;
case PropertyValueType.Raster:
_values[name] = new RasterValue();
break;
case PropertyValueType.Single:
_values[name] = new SingleValue();
break;
case PropertyValueType.String:
_values[name] = new StringValue();
break;
}
}
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
string name = _ordinalMap[i];
GetByteReaderMethod getblob = () => { return reader.GetBLOB(name); };
GetByteReaderMethod getclob = () => { return reader.GetCLOB(name); };
GetByteReaderMethod getgeom = () => { return reader.GetGeometry(name); };
if (!reader.IsNull(name))
{
var pt = (PropertyValueType)reader.GetPropertyType(name);
switch (pt)
{
case PropertyValueType.Blob:
((BlobValue)_values[name]).Value = Utility.StreamAsArray(new MgReadOnlyStream(getblob));
break;
case PropertyValueType.Boolean:
((BooleanValue)_values[name]).Value = reader.GetBoolean(name);
break;
case PropertyValueType.Byte:
((ByteValue)_values[name]).Value = reader.GetByte(name);
break;
case PropertyValueType.Clob:
byte[] b = Utility.StreamAsArray(new MgReadOnlyStream(getclob));
((ClobValue)_values[name]).Value = Encoding.UTF8.GetChars(b);
break;
case PropertyValueType.DateTime:
((DateTimeValue)_values[name]).Value = Utility.ConvertMgDateTime(reader.GetDateTime(name));
break;
case PropertyValueType.Double:
((DoubleValue)_values[name]).Value = reader.GetDouble(name);
break;
//case PropertyValueType.Feature:
case PropertyValueType.Geometry:
try
{
//TODO: See if SWIG issues come into play here
var geom = agfRw.Read(reader.GetGeometry(name));
var wkt = wktRw.Write(geom);
((GeometryValue)_values[name]).Value = mgReader.Read(wkt);
}
catch //Invalid geometry fail!
{
((GeometryValue)_values[name]).SetNull();
}
break;
case PropertyValueType.Int16:
((Int16Value)_values[name]).Value = reader.GetInt16(name);
break;
case PropertyValueType.Int32:
((Int32Value)_values[name]).Value = reader.GetInt32(name);
break;
case PropertyValueType.Int64:
((Int64Value)_values[name]).Value = reader.GetInt64(name);
break;
case PropertyValueType.Single:
((SingleValue)_values[name]).Value = reader.GetSingle(name);
break;
case PropertyValueType.String:
((StringValue)_values[name]).Value = reader.GetString(name);
break;
}
}
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!Page.IsPostBack)
{
string sessionId = GetRequestParameters(Request)["SESSION"];
string mapName = GetRequestParameters(Request)["MAPNAME"];
string locale = GetRequestParameters(Request)["LOCALE"];
if (string.IsNullOrEmpty(sessionId))
{
Response.Clear();
Response.End();
return;
}
if (string.IsNullOrEmpty(mapName))
{
Response.Clear();
Response.End();
return;
}
MgResourceService resourceSrvc = GetMgResurceService(sessionId);
MgFeatureService featureSrvc = GetMgFeatureService(sessionId);
MgMap map = new MgMap();
map.Open(resourceSrvc, mapName);
string layernames = GetRequestParameters(Request)["LAYERNAMES"];
string GEOMETRY = GetRequestParameters(Request)["GEOMETRY"];
string selVar = GetRequestParameters(Request)["SELECTIONVARIANT"];
string type = GetRequestParameters(Request)["tp"];
string inputSel = GetRequestParameters(Request)["SELECTION"];
bool hasInputGeom = false;
if (!string.IsNullOrEmpty(GEOMETRY))
{
hasInputGeom = true;
}
//selection ima prednost pred podano geometrijo ...
MgWktReaderWriter wktrw = new MgWktReaderWriter();
if (!string.IsNullOrEmpty(inputSel))
{
MgGeometry inputGeom = MultiGeometryFromSelection(featureSrvc, map, inputSel);
GEOMETRY = wktrw.Write(inputGeom);
}
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
int nLayer = 0;
// pobrišem in zgradim na novo samo tiste, ki imajo zadetke ...
int nSloj = 0;
string filter = "";
StringBuilder sbOut = new StringBuilder();
sbOut.Append("<table width=\"100%\" class=\"results\">");
sbOut.Append("<tr><td class='header'></td><td class='header'>" + "Layer" + "</td><td class='header' align=\"center\">" + "Select" + "</td><td class='header' align=\"center\">" + "Report" + "</td></tr>");
MgSelection selAll = new MgSelection(map);
foreach (MgLayer layer in map.GetLayers())
{
if (type != "2")
{
if (!layer.IsVisible())
{
goto nextlay;
}
}
if (layer.LegendLabel == "")
{
goto nextlay;
}
try
{
nLayer++;
filter = String.Format("{0} {1} GeomFromText('{2}')", layer.GetFeatureGeometryName(), selVar, GEOMETRY);
//preveriti še filter na Layerju. Ker ne gre drugače, je potrebno pogledati v XML
MgResourceIdentifier layerDefResId = layer.GetLayerDefinition();
MgByteReader byteReader = resourceSrvc.GetResourceContent(layerDefResId);
System.Xml.XmlDocument doc = new System.Xml.XmlDocument();
String xmlLayerDef = byteReader.ToString();
doc.LoadXml(xmlLayerDef);
KALI.MGE.Objects.KALILayerDefinition.LayerDefinition ld = KALI.MGE.Objects.KALILayerDefinition.LayerDefinition.Parse(xmlLayerDef);
if (!string.IsNullOrEmpty(ld.VectorLayerDefinition.Filter))
{
filter += " AND (" + ld.VectorLayerDefinition.Filter + ")";
}
//query the features
MgFeatureQueryOptions opts = new MgFeatureQueryOptions();
opts.SetFilter(filter);
String featureClassName = layer.GetFeatureClassName();
MgResourceIdentifier srcId = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(srcId, featureClassName, opts);
bool hasResult = features.ReadNext();
if (hasResult)
{
nSloj++;
int n = 0;
MgClassDefinition classDef = features.GetClassDefinition();
MgPropertyDefinitionCollection classDefProps = classDef.GetIdentityProperties();
ArrayList idPropNames = new ArrayList(classDefProps.GetCount());
for (int j = 0; j < classDefProps.GetCount(); j++)
{
MgPropertyDefinition idProp = classDefProps.GetItem(j);
idPropNames.Add(idProp.GetName());
}
MgSelection sel = new MgSelection(map);
do
{
// Generate XML to selection this feature
MgPropertyCollection idProps = new MgPropertyCollection();
foreach (string id in idPropNames)
{
int idPropType = features.GetPropertyType(id);
switch (idPropType)
{
case MgPropertyType.Int32:
idProps.Add(new MgInt32Property(id, features.GetInt32(id)));
break;
case MgPropertyType.String:
idProps.Add(new MgStringProperty(id, features.GetString(id)));
break;
case MgPropertyType.Int64:
idProps.Add(new MgInt64Property(id, features.GetInt64(id)));
break;
case MgPropertyType.Double:
idProps.Add(new MgDoubleProperty(id, features.GetDouble(id)));
break;
case MgPropertyType.Single:
idProps.Add(new MgSingleProperty(id, features.GetSingle(id)));
break;
case MgPropertyType.DateTime:
idProps.Add(new MgDateTimeProperty(id, features.GetDateTime(id)));
break;
default:
//throw new SearchError(String.Format(MgLocalizer.GetString("SEARCHTYYPENOTSUP", locale), new Object[] { idPropType.ToString() }), searchError);
break;
}
}
sel.AddFeatureIds(layer, featureClassName, idProps);
selAll.AddFeatureIds(layer, featureClassName, idProps);
n++;
//if (n > 1000) break;
} while (features.ReadNext());
features.Close();
features.Dispose();
string selText = EscapeForHtml(sel.ToXml());
string seljs = "<div class=\"allLay\" onclick=\"parent.SetSelectionXML('" + selText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionZoomToSelected.png\"/></div>";
string seljs3 = "<div class=\"allLay\" onclick=\"parent.MultiGridShow('" + selText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionOpenTable.png\"/></div>";
string linfo = "<b>" + layer.LegendLabel + "</b><br />" + n.ToString() + " " + "Hits";
sbOut.Append("<tr><td class=\"results\">" + nSloj.ToString() + "</td><td class=\"results\">" + linfo + "</td><td align=\"center\" class=\"results\">" + seljs + "</td><td align=\"center\" class=\"results\">" + seljs3 + "</td></tr>");
}
}
catch (Exception)
{
continue;
}
nextlay:
continue;
}
sbOut.Append("</table>");
string selAllText = EscapeForHtml(selAll.ToXml());
string seljsAll = "<div class=\"allLay\" onclick=\"parent.SetSelectionXML('" + selAllText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionZoomToSelected.png\"/>" + "Select All" + "</div>";
string seljsAll3 = "<div class=\"allLay\" onclick=\"parent.MultiGridShow('" + selAllText + "');\"><img width=\"16\" height=\"16\" style=\"border:0\" src=\"images/mActionOpenTable.png\"/>" + "Report All" + "</div>";
sbOut.Append(string.Format("<br /><table width=\"100%\" class=\"results\"><tr><td class=\"results\">{0}</td><td class=\"results\">{1}</td></tr></table>", seljsAll, seljsAll3));
featureSrvc.Dispose();
resourceSrvc.Dispose();
if (nSloj > 0)
{
litPrebodi.Text = sbOut.ToString();
}
else
{
litPrebodiTitle.Visible = false;
litPrebodi.Text = "<b>" + "None layer lies below the selected item/area!" + "</b>";
}
MgGeometry inGeom = wktrw.Read(GEOMETRY);
double rw = map.ViewScale / Math.Sqrt(inGeom.Area);
//koordinate
if (hasInputGeom & rw > 400)
{
string output = "";
output = pointTransformAndWriteZ(GEOMETRY, map);
litKoordinate.Text = output;
litKoordinateTitle.Text = "Coordinates of selected points:";
}
}
}
public string QueryMapFeatures(RuntimeMap rtMap, int maxFeatures, string wkt, bool persist, string selectionVariant, QueryMapOptions extraOptions)
{
var impl = rtMap as LocalRuntimeMap;
if (impl == null)
throw new ArgumentException("Instance is not a LocalRuntimeMap", "map"); //LOCALIZEME
var rs = GetRenderingService();
var res = GetResourceService();
var map = impl.GetWrappedInstance();
MgWktReaderWriter r = new MgWktReaderWriter();
MgStringCollection layerNames = null;
string featureFilter = "";
int layerAttributeFilter = 0;
int op = MgFeatureSpatialOperations.Intersects;
if (selectionVariant == "TOUCHES")
op = MgFeatureSpatialOperations.Touches;
else if (selectionVariant == "INTERSECTS")
op = MgFeatureSpatialOperations.Intersects;
else if (selectionVariant == "WITHIN")
op = MgFeatureSpatialOperations.Within;
else if (selectionVariant == "ENVELOPEINTERSECTS")
op = MgFeatureSpatialOperations.EnvelopeIntersects;
else
throw new ArgumentException("Unknown or unsupported selection variant: " + selectionVariant);
if (extraOptions != null)
{
if (!string.IsNullOrEmpty(extraOptions.FeatureFilter))
featureFilter = extraOptions.FeatureFilter;
if (extraOptions.LayerNames != null && extraOptions.LayerNames.Length > 0)
{
layerNames = new MgStringCollection();
foreach (var name in extraOptions.LayerNames)
layerNames.Add(name);
}
layerAttributeFilter = (int)extraOptions.LayerAttributeFilter;
}
MgdFeatureInformation info = rs.QueryFeatures(map, layerNames, r.Read(wkt), op, featureFilter, maxFeatures, layerAttributeFilter);
string xml = "";
GetByteReaderMethod fetch = () => { return info.ToXml(); };
using (var sr = new StreamReader(new MgReadOnlyStream(fetch)))
{
xml = sr.ReadToEnd();
}
impl.Selection.LoadXml(xml);
return xml;
}
//----------------------------------------------------------------------------------------
// �� �ܣ� ������ʱ��
//
// �� �ߣ�
//
//
// �� �ڣ�2007.05.#
//
//-----------------------------------------------------------------------------------------
public bool CreatePointsLayer(String rootPath, String sessionId)
{
// ��ȡҪ�ط������Դ����
MgResourceService resourceService = (MgResourceService)siteConnection.CreateService(MgServiceType.ResourceService);
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
// ��ͼ
MgMap map = new MgMap();
map.Open(resourceService, "Sheboygan");
// ---Ҫ�����Ҫ�ز������û��������������滹Ҫ���ܣ�--��ʼ
// ���������ݵ�Ҫ��Դ
CreateFeatureSource(sessionId);
String featureSourceName = "Session:" + sessionId + "//Points.FeatureSource";
MgResourceIdentifier resourceIdentifier = new MgResourceIdentifier(featureSourceName);
MgBatchPropertyCollection batchPropertyCollection = new MgBatchPropertyCollection();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgGeometryFactory geometryFactory = new MgGeometryFactory();
// �������¼
MgPropertyCollection propertyCollection = MakePoint("Point A", -87.727, 43.748);
batchPropertyCollection.Add(propertyCollection);
propertyCollection = MakePoint("Point B", -87.728, 43.730);
batchPropertyCollection.Add(propertyCollection);
propertyCollection = MakePoint("Point C", -87.726, 43.750);
batchPropertyCollection.Add(propertyCollection);
propertyCollection = MakePoint("Point D", -87.728, 43.750);
batchPropertyCollection.Add(propertyCollection);
// ��������Ҫ��������ӵ�Ҫ��Դ
MgInsertFeatures Insertcmd = new MgInsertFeatures("Points", batchPropertyCollection);
MgFeatureCommandCollection featureCommandCollection = new MgFeatureCommandCollection();
featureCommandCollection.Add(Insertcmd);
featureService.UpdateFeatures(resourceIdentifier, featureCommandCollection, false);
MgResourceIdentifier resourceID = null;
//--------------Ҫ�����Ҫ�ز��� ����
// �����㣬ͨ���㹤��LayerDefinitionFactory
LayerDefinitionFactory factory = new LayerDefinitionFactory();
factory.RootDirectoryPath = rootPath;
//-------------------��������ʽ------------------------//
// ������Ƿ���l
string resourceSymbel = "Library://MgTutorial/Symbols/BasicSymbols.SymbolLibrary";
string symbolName = "PushPin";
string width = "24"; // unit = points
string height = "24"; // unit = points
string color = "FFFF0000";
string markSymbol = factory.CreateMarkSymbol(resourceSymbel, symbolName, width, height, color);
// �����ı�
string text = "ID";
string fontHeight = "12";
string foregroundColor = "FF000000";
string textSymbol = factory.CreateTextSymbol(text, fontHeight, foregroundColor);
// ���������
string legendLabel = "trees";
string filter = "";
string pointRule = factory.CreatePointRule(legendLabel, filter, textSymbol, markSymbol);
// ��������ʽ
string pointTypeStyle = factory.CreatePointTypeStyle(pointRule);
// �������ŷ�Χ
string minScale = "0";
string maxScale = "1000000000000";
string pointScaleRange = factory.CreateScaleRange(minScale, maxScale, pointTypeStyle);
// �����㶨��
string featureName = "PointSchema:Points";
string geometry = "GEOM";
string layerDefinition = factory.CreateLayerDefinition(featureSourceName, featureName, geometry, pointScaleRange);
MgByteSource byteSource = new MgByteSource(Encoding.UTF8.GetBytes(layerDefinition), layerDefinition.Length);
MgByteReader byteReader = byteSource.GetReader();
resourceID = new MgResourceIdentifier("Session:" + sessionId + "//Points.LayerDefinition");
resourceService.SetResource(resourceID, byteReader, null);
//��������IJ㶨�����ݣ������ã�
MgByteSink byteSink = new MgByteSink(resourceService.GetResourceContent(resourceID));
string filePath = "C:\\Temp\\LayerDefinition.xml";
byteSink.ToFile(filePath);
// �����㲢��ӵ�����͵�ͼ��
MgLayer newLayer = CreateLayerResource(resourceID, resourceService, "Points", "��ʱ��", map);
AddLayerToGroup(newLayer, "Analysis", "����", map);
MgLayerCollection layerCollection = map.GetLayers();
if (layerCollection.Contains("Points"))
{
MgLayer pointsLayer = layerCollection.GetItem("Points");
pointsLayer.SetVisible(true);
}
// �����ͼ
map.Save(resourceService);
return true;
}
string pointTransformAndWriteZ(string geom, MgMap map)
{
double[] x = new double[1];
double[] y = new double[1];
double[] z = new double[1];
MgWktReaderWriter wktrwdmr = new MgWktReaderWriter();
MgPoint cntr = wktrwdmr.Read(geom).Centroid;
x[0] = cntr.Coordinate.X;
y[0] = cntr.Coordinate.Y;
z[0] = 0;
StringBuilder output = new StringBuilder();
output.Append("<table width=\"100%\" class=\"results\">");
//WGS preko MG API
MgCoordinateSystemFactory fact = new MgCoordinateSystemFactory();
string wktFrom = map.GetMapSRS();
string wktTo = "GEOGCS[\"LL84\",DATUM[\"WGS84\",SPHEROID[\"WGS84\",6378137.000,298.25722293]],PRIMEM[\"Greenwich\",0],UNIT[\"Degree\",0.01745329251994]]";
MgCoordinateSystem CSSource = fact.Create(wktFrom);
MgCoordinateSystem CSTarget = fact.Create(wktTo);
MgCoordinateSystemTransform coordTransform = fact.GetTransform(CSSource, CSTarget);
MgGeometryFactory geomFact = new MgGeometryFactory();
// GK
//samo prvo višino zaenkrat, dokler ni enačbe za Z
output.Append(String.Format("<tr><td class='header'><b>Map koordinates:</b></td><td class=\"results\"><table><tr><td><b>Y:</b></td><td>{0}</td></tr><tr><td><b>X:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.0}", x[0]), string.Format("{0:0.0}", y[0])));
int i = 0;
//transformacija preko MG koordinatnega sistema
foreach (double pointX in x)
{
MgCoordinate coord = geomFact.CreateCoordinateXY(x[i], y[i]);
coord = coordTransform.Transform(coord);
x[i] = coord.X;
y[i] = coord.Y;
i++;
}
double[] xwgs = x;
double[] ywgs = y;
output.Append(String.Format("<tr><td class='header'><b>WGS84:</b></td><td class=\"results\"><table><tr><td><b>Lon:</b></td><td>{0}</td></tr><tr><td><b>Lat:</b></td><td>{1}</td></tr></table></td></tr>", string.Format("{0:0.000000}", xwgs[0]), string.Format("{0:0.000000}", ywgs[0])));
output.Append("</table>");
return output.ToString();
}
public override void Invoke()
{
var viewer = this.Viewer;
viewer.DigitizeCircle((x, y, r) =>
{
if (_wktRw == null)
_wktRw = new MgWktReaderWriter();
MgGeometry geom = _wktRw.Read(Util.MakeWktCircle(x, y, r, true));
viewer.SelectByGeometry(geom);
});
}
void OnDisposed(object sender, EventArgs e)
{
if (_wktRw != null)
{
_wktRw.Dispose();
_wktRw = null;
}
}
public void InitMapGuide()
{
MapGuideApi.MgInitializeWebTier("d:/mgdev/web/src/webconfig.ini");
factory = new MgGeometryFactory();
wkt = new MgWktReaderWriter();
build = new GeomBuild();
}
void OnDisposed(object sender, EventArgs e)
{
if (_wktRw != null)
{
_wktRw.Dispose();
_wktRw = null;
}
if (_geomFact != null)
{
_geomFact.Dispose();
_geomFact = null;
}
}
private void btnCreateBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase layer = layers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 100; // measured in metres
int bufferRingCount = 5;
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
string sessionId = Guid.NewGuid().ToString();
BufferHelper helper = new BufferHelper();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
MgdLayer bufferLayer = null;
int layerIndex = mapLayers.IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
mapLayers.Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Get the selected features from the MgSelection object
MgFeatureReader featureReader = selection.GetSelectedFeatures(parcels, parcels.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(parcels.GetFeatureGeometryName());
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Add buffer features to the temporary feature source.
// Create multiple concentric buffers to show area.
// If the stylization for the layer draws the features
// partially transparent, the concentric rings will be
// progressively darker towards the center.
// The stylization is set in the layer template file, which
// is used in function CreateBufferLayer().
for (int bufferRing = 0; bufferRing < bufferRingCount; bufferRing++)
{
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize * (bufferRing + 1));
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
MgFeatureReader fr = bufferLayer.InsertFeatures(properties);
fr.Close();
}
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
MessageBox.Show("Buffer created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
{
legend.RefreshLegend();
}
}
public override void Dispose()
{
Close();
if (_agfRw != null)
{
try
{
_agfRw.Dispose();
}
catch (MgException ex)
{
ex.Dispose();
}
_agfRw = null;
}
if (_wktRw != null)
{
try
{
_wktRw.Dispose();
}
catch (MgException ex)
{
ex.Dispose();
}
_wktRw = null;
}
base.Dispose();
}
private void btnCreateBuffer_Click(object sender, EventArgs e)
{
MgSelectionBase selection = _viewer.GetSelection();
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers == null)
{
MessageBox.Show("Select a parcel");
return;
}
MgLayerBase parcels = null;
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase layer = layers.GetItem(i);
if (layer.Name == "Parcels")
{
parcels = layer;
break;
}
}
if (parcels == null)
{
MessageBox.Show("Select a parcel");
return;
}
int bufferRingSize = 100; // measured in metres
int bufferRingCount = 5;
// Set up some objects for coordinate conversion
MgMapBase map = _viewer.GetMap();
MgLayerCollection mapLayers = map.GetLayers();
MgMapViewerProvider provider = _viewer.GetProvider();
MgResourceService resourceService = (MgResourceService)provider.CreateService(MgServiceType.ResourceService);
//Casting to MgdFeatureService because we want to use convenience APIs
MgFeatureService featureService = (MgdFeatureService)provider.CreateService(MgServiceType.FeatureService);
String mapWktSrs = map.GetMapSRS();
MgAgfReaderWriter agfReaderWriter = new MgAgfReaderWriter();
MgWktReaderWriter wktReaderWriter = new MgWktReaderWriter();
MgCoordinateSystemFactory coordinateSystemFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem srs = coordinateSystemFactory.Create(mapWktSrs);
MgMeasure srsMeasure = srs.GetMeasure();
string sessionId = Guid.NewGuid().ToString();
BufferHelper helper = new BufferHelper();
// Check for a buffer layer. If it exists, delete
// the current features.
// If it does not exist, create a feature source and
// a layer to hold the buffer.
MgdLayer bufferLayer = null;
int layerIndex = mapLayers.IndexOf("Buffer");
if (layerIndex < 0)
{
// The layer does not exist and must be created.
MgResourceIdentifier bufferFeatureResId = new MgResourceIdentifier("Session:" + sessionId + "//Buffer.FeatureSource");
helper.CreateBufferFeatureSource(featureService, mapWktSrs, bufferFeatureResId);
bufferLayer = helper.CreateBufferLayer(resourceService, bufferFeatureResId, sessionId);
mapLayers.Insert(0, bufferLayer);
}
else
{
bufferLayer = (MgdLayer)map.GetLayers().GetItem(layerIndex);
bufferLayer.DeleteFeatures("ID like '%'");
}
// Get the selected features from the MgSelection object
MgFeatureReader featureReader = selection.GetSelectedFeatures(parcels, parcels.GetFeatureClassName(), false);
// Process each item in the MgFeatureReader. Get the
// geometries from all the selected features and
// merge them into a single geometry.
MgGeometryCollection inputGeometries = new MgGeometryCollection();
while (featureReader.ReadNext())
{
MgByteReader featureGeometryData = featureReader.GetGeometry(parcels.GetFeatureGeometryName());
MgGeometry featureGeometry = agfReaderWriter.Read(featureGeometryData);
inputGeometries.Add(featureGeometry);
}
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgGeometry mergedGeometries = geometryFactory.CreateMultiGeometry(inputGeometries);
// Add buffer features to the temporary feature source.
// Create multiple concentric buffers to show area.
// If the stylization for the layer draws the features
// partially transparent, the concentric rings will be
// progressively darker towards the center.
// The stylization is set in the layer template file, which
// is used in function CreateBufferLayer().
for (int bufferRing = 0; bufferRing < bufferRingCount; bufferRing++)
{
double bufferDist = srs.ConvertMetersToCoordinateSystemUnits(bufferRingSize * (bufferRing + 1));
MgGeometry bufferGeometry = mergedGeometries.Buffer(bufferDist, srsMeasure);
MgPropertyCollection properties = new MgPropertyCollection();
properties.Add(new MgGeometryProperty("BufferGeometry", agfReaderWriter.Write(bufferGeometry)));
MgFeatureReader fr = bufferLayer.InsertFeatures(properties);
fr.Close();
}
bufferLayer.SetVisible(true);
bufferLayer.ForceRefresh();
bufferLayer.SetDisplayInLegend(true);
MessageBox.Show("Buffer created");
_viewer.RefreshMap();
IMapLegend legend = Shell.Instance.Legend;
if (legend != null)
legend.RefreshLegend();
}
private void OnPointDrawn(double x, double y)
{
if (_pointLayer == null) //Our point layer doesn't exist
CreateRedlineLayer();
//Now insert our point. This code should look familiar
//to you, setting up the MgPropertyCollection for insertion
MgPropertyCollection props = new MgPropertyCollection();
MgWktReaderWriter wktRw = new MgWktReaderWriter();
MgAgfReaderWriter agfRw = new MgAgfReaderWriter();
MgGeometry geom = wktRw.Read("POINT (" + x + " " + y + ")");
MgByteReader agf = agfRw.Write(geom);
MgGeometryProperty geomProp = new MgGeometryProperty("Geometry", agf);
props.Add(geomProp);
//Here's where we differ from the official MapGuide API
//instead of a monolithic UpdateFeatures() that tries to
//do everything, we have individual InsertFeatures/DeleteFeatures/UpdateFeatures
//methods. So here's the mg-desktop way
MgFeatureReader result = _pointLayer.InsertFeatures(props);
result.Close();
//Or if you have have access to the MgdLayer instance
/*
MgResourceIdentifier fsId = new MgResourceIdentifier(_pointLayer.GetFeatureSourceId());
MgServiceFactory factory = new MgServiceFactory();
MgdFeatureService featSvc = (MgdFeatureService)factory.CreateService(MgServiceType.FeatureService);
MgFeatureReader fr = featSvc.InsertFeatures(fsId, "Default:Redline", props);
fr.Close();
*/
//Now refresh to see your newly drawn point
mgMapViewer1.RefreshMap();
}
private ReaderResponseDialog()
{
InitializeComponent();
_wktRW = new MgWktReaderWriter();
_agfRW = new MgAgfReaderWriter();
}
public LocalNativeRecord(MgReader reader, FixedWKTReader mgReader, MgAgfReaderWriter agfRw, MgWktReaderWriter wktRw)
{
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
string name = reader.GetPropertyName(i);
_ordinalMap[i] = name;
var pt = (PropertyValueType)reader.GetPropertyType(name);
switch (pt)
{
case PropertyValueType.Blob:
_values[name] = new BlobValue();
break;
case PropertyValueType.Boolean:
_values[name] = new BooleanValue();
break;
case PropertyValueType.Byte:
_values[name] = new ByteValue();
break;
case PropertyValueType.Clob:
_values[name] = new ClobValue();
break;
case PropertyValueType.DateTime:
_values[name] = new DateTimeValue();
break;
case PropertyValueType.Double:
_values[name] = new DoubleValue();
break;
case PropertyValueType.Feature:
_values[name] = new FeatureValue();
break;
case PropertyValueType.Geometry:
_values[name] = new GeometryValue();
break;
case PropertyValueType.Int16:
_values[name] = new Int16Value();
break;
case PropertyValueType.Int32:
_values[name] = new Int32Value();
break;
case PropertyValueType.Int64:
_values[name] = new Int64Value();
break;
case PropertyValueType.Raster:
_values[name] = new RasterValue();
break;
case PropertyValueType.Single:
_values[name] = new SingleValue();
break;
case PropertyValueType.String:
_values[name] = new StringValue();
break;
}
}
for (int i = 0; i < reader.GetPropertyCount(); i++)
{
string name = _ordinalMap[i];
GetByteReaderMethod getblob = () => { return reader.GetBLOB(name); };
GetByteReaderMethod getclob = () => { return reader.GetCLOB(name); };
GetByteReaderMethod getgeom = () => { return reader.GetGeometry(name); };
if (!reader.IsNull(name))
{
var pt = (PropertyValueType)reader.GetPropertyType(name);
switch (pt)
{
case PropertyValueType.Blob:
((BlobValue)_values[name]).Value = Utility.StreamAsArray(new MgReadOnlyStream(getblob));
break;
case PropertyValueType.Boolean:
((BooleanValue)_values[name]).Value = reader.GetBoolean(name);
break;
case PropertyValueType.Byte:
((ByteValue)_values[name]).Value = reader.GetByte(name);
break;
case PropertyValueType.Clob:
byte [] b = Utility.StreamAsArray(new MgReadOnlyStream(getclob));
((ClobValue)_values[name]).Value = Encoding.UTF8.GetChars(b);
break;
case PropertyValueType.DateTime:
((DateTimeValue)_values[name]).Value = Utility.ConvertMgDateTime(reader.GetDateTime(name));
break;
case PropertyValueType.Double:
((DoubleValue)_values[name]).Value = reader.GetDouble(name);
break;
//case PropertyValueType.Feature:
case PropertyValueType.Geometry:
try
{
//TODO: See if SWIG issues come into play here
var geom = agfRw.Read(reader.GetGeometry(name));
var wkt = wktRw.Write(geom);
((GeometryValue)_values[name]).Value = mgReader.Read(wkt);
}
catch //Invalid geometry fail!
{
((GeometryValue)_values[name]).SetNull();
}
break;
case PropertyValueType.Int16:
((Int16Value)_values[name]).Value = reader.GetInt16(name);
break;
case PropertyValueType.Int32:
((Int32Value)_values[name]).Value = reader.GetInt32(name);
break;
case PropertyValueType.Int64:
((Int64Value)_values[name]).Value = reader.GetInt64(name);
break;
case PropertyValueType.Single:
((SingleValue)_values[name]).Value = reader.GetSingle(name);
break;
case PropertyValueType.String:
((StringValue)_values[name]).Value = reader.GetString(name);
break;
}
}
}
}
