public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate c1 = gf.CreateCoordinateXY(1.0, 1.0);
MgCoordinate c2 = gf.CreateCoordinateXY(2.0, 2.0);
MgCoordinate c3 = gf.CreateCoordinateXY(3.0, 3.0);
MgCoordinate c4 = gf.CreateCoordinateXY(4.0, 4.0);
MgCoordinateCollection coll = new MgCoordinateCollection();
coll.Add(c1);
coll.Insert(1, c2);
coll.Add(c3);
coll.Add(c4);
Assert.AreEqual(4, coll.Count);
Assert.AreEqual(1.0, coll[0].GetX());
coll[3] = coll[2];
Assert.AreEqual(3.0, coll[3].GetX());
double sum = 0.0;
foreach (MgCoordinate coord in coll)
{
sum += coord.GetX();
}
Assert.AreEqual(9.0, sum);
}
public MgPolygon parseString(string coordinates)
{
MgPolygon polygon = null;
//Please type in the code between the comments
MgGeometryFactory geoFactory = new MgGeometryFactory();
MgCoordinateCollection coordCol = new MgCoordinateCollection();
string[] num_coords = coordinates.Split('~');
int num = Convert.ToInt16(num_coords[0]);
string[] coords = num_coords[1].Split('_');
for (int i = 0; i < num; i++)
{
string[] xyString = coords[i].Split('!');
double x = Convert.ToDouble(xyString[0]);
double y = Convert.ToDouble(xyString[1]);
MgCoordinate coord = geoFactory.CreateCoordinateXY(x, y);
coordCol.Add(coord);
}
MgLinearRing outRing = geoFactory.CreateLinearRing(coordCol);
polygon = geoFactory.CreatePolygon(outRing, null);
///////////////////////////////////////
return polygon;
}
//----------------------------------------------------------------------------------------
// �� �ܣ� ��Mapguide���ص�����ת��ΪKML
//
// �� �ߣ�
//
//
// �� �ڣ�2007.05.#
//
//-----------------------------------------------------------------------------------------
public String createMuniMarker()
{
StringBuilder outString = new StringBuilder();
MgGeometryFactory geoFactory = new MgGeometryFactory();
outString.Append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgResourceIdentifier resId = new MgResourceIdentifier("Library://MgTutorial/Data/WheatonMunicipalities.FeatureSource");
MgFeatureReader featureReader = featureService.SelectFeatures(resId, "WheatonMunicipalities", null);
outString.Append("<markers>");
MgAgfReaderWriter geoReader = new MgAgfReaderWriter();
while (featureReader.ReadNext())
{
String muniName = featureReader.GetString("MUNINAME");
MgByteReader byteReader = featureReader.GetGeometry("Geometry");
MgGeometry geo = geoReader.Read(byteReader);
MgPoint pt = geo.GetCentroid();
double x = pt.GetCoordinate().GetX();
double y = pt.GetCoordinate().GetY();
outString.Append("<marker lat=\"" + y + "\" lng=\"" + x + "\" info=\"" + muniName + "\" />");
}
featureReader.Close();
outString.Append("</markers>");
return outString.ToString();
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
MgCurveSegmentCollection curveSegments = new MgCurveSegmentCollection();
curveSegments.Add(linearSegment);
MgCurveRing outerRing = gf.CreateCurveRing(curveSegments);
MgCurvePolygon cp = gf.CreateCurvePolygon(outerRing, null);
Assert.AreEqual(outerRing.ToString(), cp.ExteriorRing.ToString());
Assert.AreEqual(0, cp.InteriorRingCount);
Assert.AreEqual(MgGeometryType.CurvePolygon, cp.GeometryType);
Assert.AreEqual(2, cp.Dimension);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
MgCurveSegmentCollection curveSegments = new MgCurveSegmentCollection();
curveSegments.Add(linearSegment);
MgCurveString curveString = gf.CreateCurveString(curveSegments);
Assert.AreEqual(1, curveString.Count);
Assert.AreEqual(pt1.ToString(), curveString.StartCoordinate.ToString());
Assert.AreEqual(pt4.ToString(), curveString.EndCoordinate.ToString());
Assert.AreEqual(MgGeometryType.CurveString, curveString.GeometryType);
Assert.AreEqual(1, curveString.Dimension);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
MgCurveSegmentCollection curveSegments = new MgCurveSegmentCollection();
curveSegments.Add(linearSegment);
MgCurveString curveString = gf.CreateCurveString(curveSegments);
MgCurveStringCollection csc = new MgCurveStringCollection();
csc.Add(curveString);
MgMultiCurveString mcs = gf.CreateMultiCurveString(csc);
Assert.AreEqual(1, mcs.Count);
Assert.AreEqual(MgGeometryType.MultiCurveString, mcs.GeometryType);
Assert.AreEqual(1, mcs.Dimension);
}
/// <summary>
/// Coordinate transformation between two world coordinate systems
/// This Version works with coordinates as X, Y doubles
/// </summary>
/// <param name="wkTextSource">The wk text source.</param>
/// <param name="wkTextTarget">The wk text target.</param>
/// <param name="inputPointX">The input point X.</param>
/// <param name="inputPointY">The input point Y.</param>
/// <param name="transformedPointX">The transformed point X.</param>
/// <param name="transformedPointY">The transformed point Y.</param>
/// <returns></returns>
public static bool TransformPoint2d(string wkTextSource, string wkTextTarget, double inputPointX, double inputPointY, ref double transformedPointX, ref double transformedPointY)
{
bool RetVal = false;
//_logger.Debug("Start TransformPoint2d");
try
{
//Creating coordinate system factory
MgCoordinateSystemFactory CSFactory = new MgCoordinateSystemFactory();
//Creating coordinate system objects
MgCoordinateSystem SourceCS = CSFactory.Create(wkTextSource);
MgCoordinateSystem TargetCS = CSFactory.Create(wkTextTarget);
//Creating geometry factory
MgGeometryFactory GeomFactory = new MgGeometryFactory();
//Populating geometry factory CreateCoordinateXY
MgCoordinate SourceCoord = GeomFactory.CreateCoordinateXY(inputPointX, inputPointY);
//Getting transformation definition
MgCoordinateSystemTransform CSTransform = CSFactory.GetTransform(SourceCS, TargetCS);
//Transforming coordinate
MgCoordinate TargetCoord = CSTransform.Transform(SourceCoord);
//Populating return coordinate objects
transformedPointX = TargetCoord.X;
transformedPointY = TargetCoord.Y;
RetVal = true;
}
catch (System.Exception ex)
{
//_logger.Error("Error in TransformPoint2d", ex);
throw;
}
//_logger.Debug("End TransformPoint2d");
return(RetVal);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
MgCurveSegmentCollection curveSegments = new MgCurveSegmentCollection();
MgCurveRing curveRing = gf.CreateCurveRing(curveSegments);
MgCurvePolygon cp = gf.CreateCurvePolygon(curveRing, null);
MgCurvePolygonCollection cpc = new MgCurvePolygonCollection();
cpc.Add(cp);
MgMultiCurvePolygon mcp = gf.CreateMultiCurvePolygon(cpc);
Assert.AreEqual(1, mcp.Count);
Assert.AreEqual(MgGeometryType.MultiCurvePolygon, mcp.GeometryType);
Assert.AreEqual(2, mcp.Dimension);
}
private void oneshotCallbackToolStripMenuItem_Click(object sender, EventArgs e)
{
MgGeometryFactory geomFact = new MgGeometryFactory();
mapViewer.DigitizePoint((x, y) => {
MgCoordinate coord = geomFact.CreateCoordinateXY(x, y);
MgPoint pt = geomFact.CreatePoint(coord);
mapViewer.SelectByGeometry(pt, -1, (selection) => {
if (selection == null)
{
MessageBox.Show("No selected features");
return;
}
else
{
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers != null)
{
StringBuilder sb = new StringBuilder("Selection summary:");
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase lyr = layers.GetItem(i);
sb.Append(Environment.NewLine + lyr.GetName() + ": " + selection.GetSelectedFeaturesCount(lyr, lyr.GetFeatureClassName()));
}
MessageBox.Show(sb.ToString());
}
else
{
MessageBox.Show("No selected features");
}
}
});
});
}
void OnDisposed(object sender, EventArgs e)
{
if (_geomFact != null)
{
_geomFact.Dispose();
_geomFact = null;
}
}
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)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinateXY coord = gf.CreateCoordinateXY(100, 100) as MgCoordinateXY;
Assert.AreEqual(100, coord.X);
Assert.AreEqual(100, coord.Y);
MgCoordinate coord2 = coord;
Assert.AreEqual(100, coord2.X);
Assert.AreEqual(100, coord2.Y);
}
public void ArcSegment()
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinateXY start = gf.CreateCoordinateXY(0, 0) as MgCoordinateXY;
MgCoordinateXY end = gf.CreateCoordinateXY(10, 10) as MgCoordinateXY;
MgCoordinateXY control = gf.CreateCoordinateXY(5, 5) as MgCoordinateXY;
MgArcSegment arcSegment = gf.CreateArcSegment(start, end, control);
Assert.AreEqual(MgGeometryComponentType.ArcSegment, arcSegment.ComponentType);
Assert.AreEqual(control.ToString(), arcSegment.ControlCoordinate.ToString());
Assert.AreEqual(start.ToString(), arcSegment.StartCoordinate.ToString());
Assert.AreEqual(end.ToString(), arcSegment.EndCoordinate.ToString());
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinateXY start = gf.CreateCoordinateXY(0, 0) as MgCoordinateXY;
MgCoordinateXY end = gf.CreateCoordinateXY(10, 10) as MgCoordinateXY;
MgCoordinateXY control = gf.CreateCoordinateXY(5, 5) as MgCoordinateXY;
MgArcSegment arcSegment = gf.CreateArcSegment(start, end, control);
Assert.AreEqual(MgGeometryComponentType.ArcSegment, arcSegment.ComponentType);
Assert.AreEqual(control.ToString(), arcSegment.ControlCoordinate.ToString());
Assert.AreEqual(start.ToString(), arcSegment.StartCoordinate.ToString());
Assert.AreEqual(end.ToString(), arcSegment.EndCoordinate.ToString());
}
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();
}
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();
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearRing linearRing = gf.CreateLinearRing(coordinates);
Assert.AreEqual(MgGeometryComponentType.LinearRing, linearRing.ComponentType);
Assert.AreEqual(2, linearRing.Dimension);
}
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 void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
Assert.AreEqual(MgGeometryComponentType.LinearSegment, linearSegment.ComponentType);
Assert.AreEqual(pt1.ToString(), linearSegment.StartCoordinate.ToString());
Assert.AreEqual(pt4.ToString(), linearSegment.EndCoordinate.ToString());
Assert.AreEqual(1, linearSegment.Dimension);
}
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();
}
//----------------------------------------------------------------------------------------
// �� �ܣ� ��ѯָ����Χ�ڵ�Ҫ��
//
// �� �ߣ�
//
//
// �� �ڣ�2007.05.#
//
//-----------------------------------------------------------------------------------------
public ParcelProperty[] GetNearParcels(string parcelType, GeocodeAddress geocodeAddress, double bufferDistance)
{
ParcelProperty[] parcelProperties = null;
//���ڵ�ַ���� ���ε�͵�Ļ������������Σ�
MgGeometryFactory geoFactory = new MgGeometryFactory();
MgCoordinate coord = geoFactory.CreateCoordinateXY(Convert.ToDouble(geocodeAddress.lon), Convert.ToDouble(geocodeAddress.lat));
MgPoint pt = geoFactory.CreatePoint(coord);
//��ѯ��ָ����Χ�ڣ�����Σ���Ҫ��
MgPolygon buffer = (MgPolygon)pt.Buffer(bufferDistance, null);
MgFeatureService featureService = (MgFeatureService)siteConnection.CreateService(MgServiceType.FeatureService);
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter("RTYPE LIKE '" + parcelType + "%'");
query.SetSpatialFilter("SHPGEOM", buffer, MgFeatureSpatialOperations.Inside);
MgResourceIdentifier resId = new MgResourceIdentifier("Library://Samples/Sheboygan/Data/Parcels.FeatureSource");
MgFeatureReader featReader = featureService.SelectFeatures(resId, "Parcels", query);
//�����ѯ���
ArrayList props = new ArrayList();
while (featReader.ReadNext())
{
ParcelProperty prop = new ParcelProperty();
prop.ID = featReader.GetInt32("Autogenerated_SDF_ID").ToString();
prop.Acreage = featReader.GetString("RACRE");
prop.BillingAddr = featReader.GetString("RBILAD");
prop.Description1 = featReader.GetString("RLDESCR1");
prop.Description2 = featReader.GetString("RLDESCR2");
prop.Description3 = featReader.GetString("RLDESCR3");
prop.Description4 = featReader.GetString("RLDESCR4");
prop.LotDimension = featReader.GetString("RLOT");
prop.LotSize = featReader.GetInt32("RSQFT");
prop.Owner = featReader.GetString("RNAME");
prop.Zoning = featReader.GetString("RTYPE");
props.Add(prop);
}
parcelProperties = (ParcelProperty[])props.ToArray(typeof(ParcelProperty));
return parcelProperties;
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearRing linearRing = gf.CreateLinearRing(coordinates);
MgPolygon polygon = gf.CreatePolygon(linearRing, null);
Assert.AreEqual(linearRing.ToString(), polygon.ExteriorRing.ToString());
Assert.AreEqual(0, polygon.InteriorRingCount);
Assert.AreEqual(MgGeometryType.Polygon, polygon.GeometryType);
Assert.AreEqual(2, polygon.Dimension);
}
public static string TransformGK2Wgs(double x, double y, string ss, string mpN)
{
MgMap map = new MgMap();
MgResourceService resourceSrvc = GetMgResurceService(ss);
map.Open(resourceSrvc, mpN);
//Create coordinate system factory
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 coordinateSystemSource = fact.Create(wktFrom);
MgCoordinateSystem coordinateSystemTarget = fact.Create(wktTo);
MgGeometryFactory geomFact = new MgGeometryFactory();
MgCoordinateSystemTransform coordTransform = fact.GetTransform(coordinateSystemSource, coordinateSystemTarget);
MgCoordinate coord = coordTransform.Transform(x, y);
return coord.X.ToString().Replace(',', '.') + ";" + coord.Y.ToString().Replace(',', '.');
}
public override void Invoke()
{
var viewer = this.Viewer;
viewer.DigitizePolygon((coordinates) =>
{
if (_geomFact == null)
{
_geomFact = new MgGeometryFactory();
}
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < coordinates.GetLength(0); i++)
{
coords.Add(_geomFact.CreateCoordinateXY(coordinates[i, 0], coordinates[i, 1]));
}
coords.Add(_geomFact.CreateCoordinateXY(coordinates[0, 0], coordinates[0, 1]));
MgLinearRing ring = _geomFact.CreateLinearRing(coords);
MgGeometry poly = _geomFact.CreatePolygon(ring, null);
viewer.SelectByGeometry(poly);
});
}
public static string TransformGK2Wgs(double x, double y, string ss, string mpN) //Transform from Map to WGS 84 Coordtnate System
{
MgMap map = new MgMap();
MgResourceService resourceSrvc = GetMgResurceService(ss);
map.Open(resourceSrvc, mpN);
//Create coordinate system factory
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 coordinateSystemSource = fact.Create(wktFrom);
MgCoordinateSystem coordinateSystemTarget = fact.Create(wktTo);
MgGeometryFactory geomFact = new MgGeometryFactory();
MgCoordinateSystemTransform coordTransform = fact.GetTransform(coordinateSystemSource, coordinateSystemTarget);
MgCoordinate coord = coordTransform.Transform(x, y);
return(coord.X.ToString().Replace(',', '.') + ";" + coord.Y.ToString().Replace(',', '.'));
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgPoint mgpt1 = gf.CreatePoint(pt1);
MgPoint mgpt2 = gf.CreatePoint(pt2);
MgPoint mgpt3 = gf.CreatePoint(pt3);
MgPoint mgpt4 = gf.CreatePoint(pt4);
MgPointCollection points = new MgPointCollection();
points.Add(mgpt1);
points.Add(mgpt2);
points.Add(mgpt3);
points.Add(mgpt4);
MgMultiPoint mp = gf.CreateMultiPoint(points);
Assert.AreEqual(4, mp.Count);
Assert.AreEqual(MgGeometryType.MultiPoint, mp.GeometryType);
Assert.AreEqual(0, mp.Dimension);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearSegment linearSegment = gf.CreateLinearSegment(coordinates);
MgCurveSegmentCollection curveSegments = new MgCurveSegmentCollection();
curveSegments.Add(linearSegment);
MgCurveRing outerRing = gf.CreateCurveRing(curveSegments);
Assert.AreEqual(MgGeometryComponentType.CurveRing, outerRing.ComponentType);
Assert.AreEqual(1, outerRing.Count);
Assert.AreEqual(2, outerRing.Dimension);
}
public void Execute(IPlatformFactory factory, ITestLogger logger)
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLineString ls = gf.CreateLineString(coordinates);
MgLineStringCollection lineStringCollection = new MgLineStringCollection();
lineStringCollection.Add(ls);
MgMultiLineString mls = gf.CreateMultiLineString(lineStringCollection);
Assert.AreEqual(1, mls.Count);
Assert.AreEqual(MgGeometryType.MultiLineString, mls.GeometryType);
Assert.AreEqual(1, mls.Dimension);
}
private void oneshotCallbackToolStripMenuItem_Click(object sender, EventArgs e)
{
MgGeometryFactory geomFact = new MgGeometryFactory();
mapViewer.DigitizePoint((x, y) => {
MgCoordinate coord = geomFact.CreateCoordinateXY(x, y);
MgPoint pt = geomFact.CreatePoint(coord);
mapViewer.SelectByGeometry(pt, -1, (selection) => {
if (selection == null)
{
MessageBox.Show("No selected features");
return;
}
else
{
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers != null)
{
StringBuilder sb = new StringBuilder("Selection summary:");
for (int i = 0; i < layers.GetCount(); i++)
{
MgLayerBase lyr = layers.GetItem(i);
sb.Append(Environment.NewLine + lyr.GetName() + ": " + selection.GetSelectedFeaturesCount(lyr, lyr.GetFeatureClassName()));
}
MessageBox.Show(sb.ToString());
}
else
{
MessageBox.Show("No selected features");
}
}
});
});
}
private void btnCreate_Click(object sender, EventArgs e)
{
btnCreate.Enabled = false;
try
{
var layerName = txtBufferLayer.Text.Trim();
if (string.IsNullOrEmpty(layerName))
{
MessageBox.Show(Strings.MsgEnterNameForLayer);
return;
}
if (lstLayers.SelectedItems.Count == 0)
{
MessageBox.Show(Strings.MsgIncludeLayersToBuffer);
return;
}
var map = _viewer.GetMap();
var layers = map.GetLayers();
var provider = _viewer.GetProvider();
//From here, it's the same logic as buffer.aspx in .net MapGuide AJAX viewer
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.FeatureSource"); //NOXLATE
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.LayerDefinition"); //NOXLATE
MgLayerBase layer = Util.FindLayer(layers, txtBufferLayer.Text);
string[] layerNames = GetLayerNames();
double distance = Convert.ToDouble(numBufferDistance.Value);
MeasurementUnit bUnits = (MeasurementUnit)cmbUnits.SelectedItem;
switch (bUnits)
{
case MeasurementUnit.Feet:
distance *= 0.30480;
break;
case MeasurementUnit.Kilometers:
distance *= 1000;
break;
case MeasurementUnit.Miles:
distance *= 1609.35;
break;
}
String srsDefMap = Util.GetMapSrs(map);
MgCoordinateSystem srsMap = provider.GetMapCoordinateSystem();
string mapSrsUnits = "";
bool arbitraryMapSrs = (srsMap.GetType() == MgCoordinateSystemType.Arbitrary);
if (arbitraryMapSrs)
mapSrsUnits = srsMap.GetUnits();
String xtrans = String.Format("{0:x2}", ((int)(255 * Convert.ToInt32(numFillTransparency.Value) / 100))); //NOXLATE
var lineColor = Util.ToHtmlColor(pnlBorderColor.BackColor);
var foreColor = Util.ToHtmlColor(pnlFillColor.BackColor);
var backColor = Util.ToHtmlColor(pnlFillBackColor.BackColor);
String layerTempl = string.Format(Properties.Resources.AreaLayerDef,
fsId.ToString(),
"BufferSchema:Buffer", //NOXLATE
"GEOM", //NOXLATE
cmbFillPattern.SelectedItem,
xtrans + foreColor,
((0 != 1/*transparent*/) ? "ff" : "00") + backColor, //NOXLATE
cmbBorderPattern.SelectedItem,
numLineThickness.Value.ToString(NumberFormatInfo.InvariantInfo),
lineColor
);
byte[] bytes = Encoding.UTF8.GetBytes(layerTempl);
MgByteSource src = new MgByteSource(bytes, bytes.Length);
MgByteReader layerDefContent = src.GetReader();
_resSvc.SetResource(ldfId, layerDefContent, null);
bool newBuffer = false;
if (layer == null)
{
newBuffer = true;
//Targetting a new layer. create a data source for it
//
MgClassDefinition classDef = new MgClassDefinition();
classDef.SetName("Buffer"); //NOXLATE
classDef.SetDescription("Feature class for buffer layer"); //NOXLATE
classDef.SetDefaultGeometryPropertyName("GEOM"); //NOXLATE
//Set KEY property
MgDataPropertyDefinition prop = new MgDataPropertyDefinition("KEY"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
prop.SetAutoGeneration(true);
prop.SetReadOnly(true);
classDef.GetIdentityProperties().Add(prop);
classDef.GetProperties().Add(prop);
//Set ID property. Hold this segment ID
prop = new MgDataPropertyDefinition("ID"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
classDef.GetProperties().Add(prop);
//Set geometry property
MgGeometricPropertyDefinition geomProp = new MgGeometricPropertyDefinition("GEOM"); //NOXLATE
//prop.SetGeometryTypes(MgFeatureGeometricType.mfgtSurface); //TODO use the constant when exposed
geomProp.SetGeometryTypes(4);
classDef.GetProperties().Add(geomProp);
//Create the schema
MgFeatureSchema schema = new MgFeatureSchema("BufferSchema", "Temporary buffer schema"); //NOXLATE
schema.GetClasses().Add(classDef);
//finally, creation of the feature source
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", map.GetMapSRS(), schema); //NOXLATE
_featSvc.CreateFeatureSource(fsId, sdfParams);
//Add layer to map
layer = provider.CreateLayer(ldfId);
layer.SetName(txtBufferLayer.Text);
layer.SetLegendLabel(txtBufferLayer.Text);
layer.SetDisplayInLegend(true);
layer.SetSelectable(true);
layers.Insert(0, layer);
}
else
{
//data source already exist. clear its content
//
Util.ClearDataSource(_featSvc, fsId, "BufferSchema:Buffer"); //NOXLATE
}
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection bufferGeometries = new MgGeometryCollection();
MgGeometry geomBuffer;
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
int featId = 0;
MgBatchPropertyCollection propCollection = new MgBatchPropertyCollection();
int excludedLayers = 0;
MgCoordinateSystem srsDs = null;
MgGeometryCollection inputGeometries = new MgGeometryCollection();
int bufferFeatures = 0;
for (int li = 0; li < selLayers.GetCount(); li++)
{
MgLayerBase selLayer = selLayers.GetItem(li);
bool inputLayer = false;
String selLayerName = selLayer.GetName();
for (int il = 0; il < layerNames.Length; il++)
{
if (layerNames[il].Equals(selLayerName))
{
inputLayer = true;
break;
}
}
if (inputLayer == false)
{
continue;
}
// get the data source SRS
//
MgResourceIdentifier featSourceId = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgSpatialContextReader ctxs = _featSvc.GetSpatialContexts(featSourceId, false);
String srsDefDs = string.Empty;
if (ctxs != null && ctxs.ReadNext())
srsDefDs = ctxs.GetCoordinateSystemWkt();
if (srsDefDs == null || srsDefDs.Length == 0)
{
excludedLayers++;
continue;
}
var srsFactory = new MgCoordinateSystemFactory();
srsDs = srsFactory.Create(srsDefDs);
bool arbitraryDsSrs = (srsDs.GetType() == MgCoordinateSystemType.Arbitrary);
String dsSrsUnits = string.Empty;
if (arbitraryDsSrs)
dsSrsUnits = srsDs.GetUnits();
// exclude layer if:
// the map is non-arbitrary and the layer is arbitrary or vice-versa
// or
// layer and map are both arbitrary but have different units
//
if ((arbitraryDsSrs != arbitraryMapSrs) || (arbitraryDsSrs && (dsSrsUnits != mapSrsUnits)))
{
excludedLayers++;
continue;
}
// calculate distance in the data source SRS units
//
double dist = srsDs.ConvertMetersToCoordinateSystemUnits(distance);
// calculate great circle unless data source srs is arbitrary
MgCoordinateSystemMeasure measure;
if (!arbitraryDsSrs)
measure = srsDs.GetMeasure();
else
measure = null;
// create a SRS transformer if necessary
MgCoordinateSystemTransform srsXform;
if (!srsDefDs.Equals(srsDefMap))
srsXform = srsFactory.GetTransform(srsDs, srsMap);
else
srsXform = null;
String featureClassName = selLayer.GetFeatureClassName();
String filter = sel.GenerateFilter(selLayer, featureClassName);
if (filter == null || filter.Length == 0)
continue;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgFeatureReader features = _featSvc.SelectFeatures(featureSource, featureClassName, query);
if (features.ReadNext())
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
do
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (!chkMergeBuffers.Checked)
{
geomBuffer = geom.Buffer(dist, measure);
if (geomBuffer != null)
{
if (srsXform != null)
geomBuffer = (MgGeometry)geomBuffer.Transform(srsXform);
Util.AddFeatureToCollection(propCollection, agfRW, featId++, geomBuffer);
bufferFeatures++;
}
}
else
{
if (srsXform != null)
geom = (MgGeometry)geom.Transform(srsXform);
inputGeometries.Add(geom);
}
}
while (features.ReadNext());
features.Close();
}
}
if (chkMergeBuffers.Checked)
{
if (inputGeometries.GetCount() > 0)
{
double dist = srsMap.ConvertMetersToCoordinateSystemUnits(distance);
MgCoordinateSystemMeasure measure;
if (!arbitraryMapSrs)
measure = srsMap.GetMeasure();
else
measure = null;
MgGeometryFactory geomFactory = new MgGeometryFactory();
geomBuffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(dist, measure);
if (geomBuffer != null)
{
Util.AddFeatureToCollection(propCollection, agfRW, featId, geomBuffer);
bufferFeatures = 1;
}
}
}
if (propCollection.GetCount() > 0)
{
commands.Add(new MgInsertFeatures("BufferSchema:Buffer", propCollection)); //NOXLATE
//Insert the features in the temporary data source
//
Util.ReleaseReader(_featSvc.UpdateFeatures(fsId, commands, false), commands);
}
// Save the new map state
//
layer.ForceRefresh();
_viewer.RefreshMap();
//build report message
if (newBuffer)
MessageBox.Show(string.Format(Strings.MsgBufferLayerCreated, txtBufferLayer.Text));
else
MessageBox.Show(string.Format(Strings.MsgBufferLayerUpdated, txtBufferLayer.Text));
}
finally
{
btnCreate.Enabled = true;
}
}
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();
}
}
/// <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);
}
public override System.IO.Stream RenderRuntimeMap(RuntimeMap rtmap, double x1, double y1, double x2, double y2, int width, int height, int dpi, string format, bool clip)
{
var resourceId = rtmap.ResourceID;
MgRenderingService rnd = this.Connection.CreateService(MgServiceType.RenderingService) as MgRenderingService;
MgResourceService res = this.Connection.CreateService(MgServiceType.ResourceService) as MgResourceService;
MgGeometryFactory gf = new MgGeometryFactory();
string mapname = new ResourceIdentifier(resourceId).Path;
//TODO: The render is missing the clip param for the extent override method
GetByteReaderMethod fetch = () =>
{
MgMap map = new MgMap();
map.Open(res, mapname);
MgSelection sel = new MgSelection(map);
//The color accepted by MgColor has alpha as the last value, but the returned has alpha first
MgColor color = new MgColor(Utility.ParseHTMLColor(map.GetBackgroundColor()));
MgEnvelope env = new MgEnvelope(gf.CreateCoordinateXY(x1, y1), gf.CreateCoordinateXY(x2, y2));
return rnd.RenderMap(map, sel, env, width, height, color, format);
};
LogMethodCall("MgRenderingService::RenderMap", true, "MgMap", "MgSelection", "MgEnvelope", width.ToString(), height.ToString(), "MgColor", format);
return new MgReadOnlyStream(fetch);
}
/// <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);
}
public void AddPolygon()
{
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
String[] vertices = GetParameter(this.args, "GEOMETRY").Split(new Char[] { ',' });
int count = (int)Double.Parse(vertices[0]);
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < count; i++)
{
MgCoordinate coord = geometryFactory.CreateCoordinateXY(Double.Parse(vertices[(i * 2) + 1]), Double.Parse(vertices[(i * 2) + 2]));
coords.Add(coord);
}
MgLinearRing linearRing = geometryFactory.CreateLinearRing(coords);
MgPolygon polygon = geometryFactory.CreatePolygon(linearRing, null);
polygon = (MgPolygon)polygon.Transform(this.GetTransform());
MgByteReader byteReader = agfWriter.Write(polygon);
MgPropertyCollection propertyValues = CreatePropertyCollection(byteReader);
this.InsertMarkupFeature(propertyValues);
}
public void MultiPoint()
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgPoint mgpt1 = gf.CreatePoint(pt1);
MgPoint mgpt2 = gf.CreatePoint(pt2);
MgPoint mgpt3 = gf.CreatePoint(pt3);
MgPoint mgpt4 = gf.CreatePoint(pt4);
MgPointCollection points = new MgPointCollection();
points.Add(mgpt1);
points.Add(mgpt2);
points.Add(mgpt3);
points.Add(mgpt4);
MgMultiPoint mp = gf.CreateMultiPoint(points);
Assert.AreEqual(4, mp.Count);
Assert.AreEqual(MgGeometryType.MultiPoint, mp.GeometryType);
Assert.AreEqual(0, mp.Dimension);
}
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();
}
}
}
public void AddBuffer()
{
MgMap map = new MgMap();
map.Open(_resourceService, GetParameter(this.args, "MAPNAME"));
MgSelection selection = new MgSelection(map);
selection.Open(_resourceService, map.Name);
MgReadOnlyLayerCollection layers = selection.GetLayers();
if (layers != null && layers.Count == 1)
{
MgFeatureQueryOptions opt = new MgFeatureQueryOptions();
opt.SetFilter(selection.GenerateFilter(layers[0], layers[0].FeatureClassName));
MgFeatureReader featureReader = _featureService.SelectFeatures(new MgResourceIdentifier(layers[0].FeatureSourceId), layers[0].FeatureClassName, opt);
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection inputGeometries = new MgGeometryCollection();
MgClassDefinition classDef = _featureService.GetClassDefinition(
new MgResourceIdentifier(layers[0].FeatureSourceId),
layers[0].FeatureClassName.Split(':')[0],
layers[0].FeatureClassName.Split(':')[1]);
while (featureReader.ReadNext())
{
MgByteReader byteReader = featureReader.GetGeometry(classDef.DefaultGeometryPropertyName);
MgGeometry geom = agfRW.Read(byteReader);
inputGeometries.Add(geom);
}
if (inputGeometries.Count > 0)
{
MgCoordinateSystemFactory coordSysFactory = new MgCoordinateSystemFactory();
MgCoordinateSystem mapSrs = coordSysFactory.Create(map.MapSRS);
double distance = mapSrs.ConvertMetersToCoordinateSystemUnits(7.0);
MgCoordinateSystemMeasure measure = mapSrs.GetMeasure();
MgGeometryFactory geomFactory = new MgGeometryFactory();
MgGeometry buffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(distance, measure);
if (buffer != null)
{
MgByteReader byteReader = agfRW.Write(buffer);
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
MgPropertyCollection propertyValues = CreatePropertyCollection(byteReader);
this.InsertMarkupFeature(propertyValues);
}
}
}
}
public RenderMapControl()
{
InitializeComponent();
_geomFact = new MgGeometryFactory();
}
public void AddPoint()
{
MgGeometryFactory geometryFactory = new MgGeometryFactory();
MgAgfReaderWriter agfWriter = new MgAgfReaderWriter();
String[] vertices = GetParameter(this.args, "GEOMETRY").Split(new Char[] { ',' });
MgCoordinate coord = geometryFactory.CreateCoordinateXY(Double.Parse(vertices[0]), Double.Parse(vertices[1]));
MgPoint point = geometryFactory.CreatePoint(coord);
point = (MgPoint)point.Transform(this.GetTransform());
MgByteReader byteReader = agfWriter.Write(point);
MgPropertyCollection propertyValues = CreatePropertyCollection(byteReader);
this.InsertMarkupFeature(propertyValues);
}
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 void Polygon()
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLinearRing linearRing = gf.CreateLinearRing(coordinates);
MgPolygon polygon = gf.CreatePolygon(linearRing, null);
Assert.AreEqual(linearRing.ToString(), polygon.ExteriorRing.ToString());
Assert.AreEqual(0, polygon.InteriorRingCount);
Assert.AreEqual(MgGeometryType.Polygon, polygon.GeometryType);
Assert.AreEqual(2, polygon.Dimension);
}
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 void MultiLineString()
{
MgGeometryFactory gf = new MgGeometryFactory();
MgCoordinate pt1 = gf.CreateCoordinateXY(0, 0);
MgCoordinate pt2 = gf.CreateCoordinateXY(0, 10);
MgCoordinate pt3 = gf.CreateCoordinateXY(10, 10);
MgCoordinate pt4 = gf.CreateCoordinateXY(10, 0);
MgCoordinateCollection coordinates = new MgCoordinateCollection();
coordinates.Add(pt1);
coordinates.Add(pt2);
coordinates.Add(pt3);
coordinates.Add(pt4);
MgLineString ls = gf.CreateLineString(coordinates);
MgLineStringCollection lineStringCollection = new MgLineStringCollection();
lineStringCollection.Add(ls);
MgMultiLineString mls = gf.CreateMultiLineString(lineStringCollection);
Assert.AreEqual(1, mls.Count);
Assert.AreEqual(MgGeometryType.MultiLineString, mls.GeometryType);
Assert.AreEqual(1, mls.Dimension);
}
private void btnCreate_Click(object sender, EventArgs e)
{
btnCreate.Enabled = false;
try
{
var layerName = txtBufferLayer.Text.Trim();
if (string.IsNullOrEmpty(layerName))
{
MessageBox.Show(Strings.MsgEnterNameForLayer);
return;
}
if (lstLayers.SelectedItems.Count == 0)
{
MessageBox.Show(Strings.MsgIncludeLayersToBuffer);
return;
}
var map = _viewer.GetMap();
var layers = map.GetLayers();
var provider = _viewer.GetProvider();
//From here, it's the same logic as buffer.aspx in .net MapGuide AJAX viewer
MgResourceIdentifier fsId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.FeatureSource"); //NOXLATE
MgResourceIdentifier ldfId = new MgResourceIdentifier("Session:" + _sessionId + "//" + txtBufferLayer.Text + "_Buffer.LayerDefinition"); //NOXLATE
MgLayerBase layer = Util.FindLayer(layers, txtBufferLayer.Text);
string[] layerNames = GetLayerNames();
double distance = Convert.ToDouble(numBufferDistance.Value);
MeasurementUnit bUnits = (MeasurementUnit)cmbUnits.SelectedItem;
switch (bUnits)
{
case MeasurementUnit.Feet:
distance *= 0.30480;
break;
case MeasurementUnit.Kilometers:
distance *= 1000;
break;
case MeasurementUnit.Miles:
distance *= 1609.35;
break;
}
String srsDefMap = Util.GetMapSrs(map);
MgCoordinateSystem srsMap = provider.GetMapCoordinateSystem();
string mapSrsUnits = "";
bool arbitraryMapSrs = (srsMap.GetType() == MgCoordinateSystemType.Arbitrary);
if (arbitraryMapSrs)
{
mapSrsUnits = srsMap.GetUnits();
}
String xtrans = String.Format("{0:x2}", ((int)(255 * Convert.ToInt32(numFillTransparency.Value) / 100))); //NOXLATE
var lineColor = Util.ToHtmlColor(pnlBorderColor.BackColor);
var foreColor = Util.ToHtmlColor(pnlFillColor.BackColor);
var backColor = Util.ToHtmlColor(pnlFillBackColor.BackColor);
String layerTempl = string.Format(Properties.Resources.AreaLayerDef,
fsId.ToString(),
"BufferSchema:Buffer", //NOXLATE
"GEOM", //NOXLATE
cmbFillPattern.SelectedItem,
xtrans + foreColor,
((0 != 1 /*transparent*/) ? "ff" : "00") + backColor, //NOXLATE
cmbBorderPattern.SelectedItem,
numLineThickness.Value.ToString(NumberFormatInfo.InvariantInfo),
lineColor
);
byte[] bytes = Encoding.UTF8.GetBytes(layerTempl);
MgByteSource src = new MgByteSource(bytes, bytes.Length);
MgByteReader layerDefContent = src.GetReader();
_resSvc.SetResource(ldfId, layerDefContent, null);
bool newBuffer = false;
if (layer == null)
{
newBuffer = true;
//Targetting a new layer. create a data source for it
//
MgClassDefinition classDef = new MgClassDefinition();
classDef.SetName("Buffer"); //NOXLATE
classDef.SetDescription("Feature class for buffer layer"); //NOXLATE
classDef.SetDefaultGeometryPropertyName("GEOM"); //NOXLATE
//Set KEY property
MgDataPropertyDefinition prop = new MgDataPropertyDefinition("KEY"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
prop.SetAutoGeneration(true);
prop.SetReadOnly(true);
classDef.GetIdentityProperties().Add(prop);
classDef.GetProperties().Add(prop);
//Set ID property. Hold this segment ID
prop = new MgDataPropertyDefinition("ID"); //NOXLATE
prop.SetDataType(MgPropertyType.Int32);
classDef.GetProperties().Add(prop);
//Set geometry property
MgGeometricPropertyDefinition geomProp = new MgGeometricPropertyDefinition("GEOM"); //NOXLATE
//prop.SetGeometryTypes(MgFeatureGeometricType.mfgtSurface); //TODO use the constant when exposed
geomProp.SetGeometryTypes(4);
classDef.GetProperties().Add(geomProp);
//Create the schema
MgFeatureSchema schema = new MgFeatureSchema("BufferSchema", "Temporary buffer schema"); //NOXLATE
schema.GetClasses().Add(classDef);
//finally, creation of the feature source
MgFileFeatureSourceParams sdfParams = new MgFileFeatureSourceParams("OSGeo.SDF", "LatLong", map.GetMapSRS(), schema); //NOXLATE
_featSvc.CreateFeatureSource(fsId, sdfParams);
//Add layer to map
layer = provider.CreateLayer(ldfId);
layer.SetName(txtBufferLayer.Text);
layer.SetLegendLabel(txtBufferLayer.Text);
layer.SetDisplayInLegend(true);
layer.SetSelectable(true);
layers.Insert(0, layer);
}
else
{
//data source already exist. clear its content
//
Util.ClearDataSource(_featSvc, fsId, "BufferSchema:Buffer"); //NOXLATE
}
var sel = _viewer.GetSelection();
var selLayers = sel.GetLayers();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
MgGeometryCollection bufferGeometries = new MgGeometryCollection();
MgGeometry geomBuffer;
MgFeatureCommandCollection commands = new MgFeatureCommandCollection();
int featId = 0;
MgBatchPropertyCollection propCollection = new MgBatchPropertyCollection();
int excludedLayers = 0;
MgCoordinateSystem srsDs = null;
MgGeometryCollection inputGeometries = new MgGeometryCollection();
int bufferFeatures = 0;
for (int li = 0; li < selLayers.GetCount(); li++)
{
MgLayerBase selLayer = selLayers.GetItem(li);
bool inputLayer = false;
String selLayerName = selLayer.GetName();
for (int il = 0; il < layerNames.Length; il++)
{
if (layerNames[il].Equals(selLayerName))
{
inputLayer = true;
break;
}
}
if (inputLayer == false)
{
continue;
}
// get the data source SRS
//
MgResourceIdentifier featSourceId = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgSpatialContextReader ctxs = _featSvc.GetSpatialContexts(featSourceId, false);
String srsDefDs = string.Empty;
if (ctxs != null && ctxs.ReadNext())
{
srsDefDs = ctxs.GetCoordinateSystemWkt();
}
if (srsDefDs == null || srsDefDs.Length == 0)
{
excludedLayers++;
continue;
}
var srsFactory = new MgCoordinateSystemFactory();
srsDs = srsFactory.Create(srsDefDs);
bool arbitraryDsSrs = (srsDs.GetType() == MgCoordinateSystemType.Arbitrary);
String dsSrsUnits = string.Empty;
if (arbitraryDsSrs)
{
dsSrsUnits = srsDs.GetUnits();
}
// exclude layer if:
// the map is non-arbitrary and the layer is arbitrary or vice-versa
// or
// layer and map are both arbitrary but have different units
//
if ((arbitraryDsSrs != arbitraryMapSrs) || (arbitraryDsSrs && (dsSrsUnits != mapSrsUnits)))
{
excludedLayers++;
continue;
}
// calculate distance in the data source SRS units
//
double dist = srsDs.ConvertMetersToCoordinateSystemUnits(distance);
// calculate great circle unless data source srs is arbitrary
MgCoordinateSystemMeasure measure;
if (!arbitraryDsSrs)
{
measure = srsDs.GetMeasure();
}
else
{
measure = null;
}
// create a SRS transformer if necessary
MgCoordinateSystemTransform srsXform;
if (!srsDefDs.Equals(srsDefMap))
{
srsXform = srsFactory.GetTransform(srsDs, srsMap);
}
else
{
srsXform = null;
}
String featureClassName = selLayer.GetFeatureClassName();
String filter = sel.GenerateFilter(selLayer, featureClassName);
if (filter == null || filter.Length == 0)
{
continue;
}
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(selLayer.GetFeatureSourceId());
MgFeatureReader features = _featSvc.SelectFeatures(featureSource, featureClassName, query);
if (features.ReadNext())
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
do
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (!chkMergeBuffers.Checked)
{
geomBuffer = geom.Buffer(dist, measure);
if (geomBuffer != null)
{
if (srsXform != null)
{
geomBuffer = (MgGeometry)geomBuffer.Transform(srsXform);
}
Util.AddFeatureToCollection(propCollection, agfRW, featId++, geomBuffer);
bufferFeatures++;
}
}
else
{
if (srsXform != null)
{
geom = (MgGeometry)geom.Transform(srsXform);
}
inputGeometries.Add(geom);
}
}while (features.ReadNext());
features.Close();
}
}
if (chkMergeBuffers.Checked)
{
if (inputGeometries.GetCount() > 0)
{
double dist = srsMap.ConvertMetersToCoordinateSystemUnits(distance);
MgCoordinateSystemMeasure measure;
if (!arbitraryMapSrs)
{
measure = srsMap.GetMeasure();
}
else
{
measure = null;
}
MgGeometryFactory geomFactory = new MgGeometryFactory();
geomBuffer = geomFactory.CreateMultiGeometry(inputGeometries).Buffer(dist, measure);
if (geomBuffer != null)
{
Util.AddFeatureToCollection(propCollection, agfRW, featId, geomBuffer);
bufferFeatures = 1;
}
}
}
if (propCollection.GetCount() > 0)
{
commands.Add(new MgInsertFeatures("BufferSchema:Buffer", propCollection)); //NOXLATE
//Insert the features in the temporary data source
//
Util.ReleaseReader(_featSvc.UpdateFeatures(fsId, commands, false), commands);
}
// Save the new map state
//
layer.ForceRefresh();
_viewer.RefreshMap();
//build report message
if (newBuffer)
{
MessageBox.Show(string.Format(Strings.MsgBufferLayerCreated, txtBufferLayer.Text));
}
else
{
MessageBox.Show(string.Format(Strings.MsgBufferLayerUpdated, txtBufferLayer.Text));
}
}
finally
{
btnCreate.Enabled = true;
}
}
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 MgPolygon CreatePolygonFromGeomText(String geomText)
{
MgGeometryFactory geometryFactory = new MgGeometryFactory();
String[] vertices = geomText.Split(new Char[] { ',' });
int count = Int32.Parse(vertices[0]);
MgCoordinateCollection coords = new MgCoordinateCollection();
for (int i = 0; i < count; i++)
{
MgCoordinate coord = geometryFactory.CreateCoordinateXY(Double.Parse(vertices[(i * 2) + 1]), Double.Parse(vertices[(i * 2) + 2]));
coords.Add(coord);
}
MgLinearRing linearRing = geometryFactory.CreateLinearRing(coords);
MgPolygon polygon = geometryFactory.CreatePolygon(linearRing, null);
return polygon;
}
//----------------------------------------------------------------------------------------
// �� �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;
}
MgGeometry MultiGeometryFromSelection(MgFeatureService featureSrvc, MgMap map, String selText)
{
MgSelection sel = new MgSelection(map);
sel.FromXml(selText);
MgReadOnlyLayerCollection selLayers = sel.GetLayers();
if (selLayers == null)
return null;
MgGeometryCollection geomColl = new MgGeometryCollection();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
bool polyOnly = true;
for (int i = 0; i < selLayers.GetCount(); i++)
{
MgLayer layer = (MgLayer)selLayers.GetItem(i);
// TODO: How to get selectionSize?
//int selectionSize = 20;
string filter = sel.GenerateFilter(layer, layer.GetFeatureClassName());
if (filter == "")
continue;
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(featureSource, layer.GetFeatureClassName(), query);
if (features != null)
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
int j = 0;
//bool isPoly = true;
while (features.ReadNext())
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (j++ == 0)
{
int type = geom.GetGeometryType();
if (type == MgGeometryType.MultiPolygon || type == MgGeometryType.CurvePolygon || type == MgGeometryType.MultiCurvePolygon)
{
//isPoly = false;
polyOnly = false;
}
else if (type != MgGeometryType.Polygon)
{
break;
}
}
geomColl.Add(geom);
}
features.Close();
features.Dispose();
}
}
if (geomColl.GetCount() == 0)
{
return null;
}
MgGeometryFactory gf = new MgGeometryFactory();
if (polyOnly)
{
MgPolygonCollection polyColl = new MgPolygonCollection();
for (int j = 0; j < geomColl.GetCount(); j++)
{
polyColl.Add((MgPolygon)geomColl.GetItem(j));
}
return gf.CreateMultiPolygon(polyColl);
}
else
{
return gf.CreateMultiGeometry(geomColl);
}
}
MgGeometry MultiGeometryFromSelection(MgFeatureService featureSrvc, MgMap map, String selText)
{
MgSelection sel = new MgSelection(map);
sel.FromXml(selText);
MgReadOnlyLayerCollection selLayers = sel.GetLayers();
if (selLayers == null)
{
return(null);
}
MgGeometryCollection geomColl = new MgGeometryCollection();
MgAgfReaderWriter agfRW = new MgAgfReaderWriter();
bool polyOnly = true;
for (int i = 0; i < selLayers.GetCount(); i++)
{
MgLayer layer = (MgLayer)selLayers.GetItem(i);
// TODO: How to get selectionSize?
//int selectionSize = 20;
string filter = sel.GenerateFilter(layer, layer.GetFeatureClassName());
if (filter == "")
{
continue;
}
MgFeatureQueryOptions query = new MgFeatureQueryOptions();
query.SetFilter(filter);
MgResourceIdentifier featureSource = new MgResourceIdentifier(layer.GetFeatureSourceId());
MgFeatureReader features = featureSrvc.SelectFeatures(featureSource, layer.GetFeatureClassName(), query);
if (features != null)
{
MgClassDefinition classDef = features.GetClassDefinition();
String geomPropName = classDef.GetDefaultGeometryPropertyName();
int j = 0;
//bool isPoly = true;
while (features.ReadNext())
{
MgByteReader geomReader = features.GetGeometry(geomPropName);
MgGeometry geom = agfRW.Read(geomReader);
if (j++ == 0)
{
int type = geom.GetGeometryType();
if (type == MgGeometryType.MultiPolygon || type == MgGeometryType.CurvePolygon || type == MgGeometryType.MultiCurvePolygon)
{
//isPoly = false;
polyOnly = false;
}
else if (type != MgGeometryType.Polygon)
{
break;
}
}
geomColl.Add(geom);
}
features.Close();
features.Dispose();
}
}
if (geomColl.GetCount() == 0)
{
return(null);
}
MgGeometryFactory gf = new MgGeometryFactory();
if (polyOnly)
{
MgPolygonCollection polyColl = new MgPolygonCollection();
for (int j = 0; j < geomColl.GetCount(); j++)
{
polyColl.Add((MgPolygon)geomColl.GetItem(j));
}
return(gf.CreateMultiPolygon(polyColl));
}
else
{
return(gf.CreateMultiGeometry(geomColl));
}
}
public void InitMapGuide()
{
MapGuideApi.MgInitializeWebTier("d:/mgdev/web/src/webconfig.ini");
factory = new MgGeometryFactory();
wkt = new MgWktReaderWriter();
build = new GeomBuild();
}
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 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();
}
}
}
}
public override System.IO.Stream RenderRuntimeMap(RuntimeMap rtmap, double x, double y, double scale, int width, int height, int dpi, string format, bool clip)
{
var resourceId = rtmap.ResourceID;
MgRenderingService rnd = this.Connection.CreateService(MgServiceType.RenderingService) as MgRenderingService;
MgResourceService res = this.Connection.CreateService(MgServiceType.ResourceService) as MgResourceService;
MgGeometryFactory gf = new MgGeometryFactory();
string mapname = new ResourceIdentifier(resourceId).Path;
GetByteReaderMethod fetch = () =>
{
MgMap map = new MgMap();
map.Open(res, mapname);
MgSelection sel = new MgSelection(map);
//The color accepted by MgColor has alpha as the last value, but the returned has alpha first
MgColor color = new MgColor(Utility.ParseHTMLColor(map.GetBackgroundColor()));
MgCoordinate coord = gf.CreateCoordinateXY(x, y);
return rnd.RenderMap(map, sel, coord, scale, width, height, color, format, true);
};
LogMethodCall("MgRenderingService::RenderMap", true, "MgMap", "MgSelection", "MgPoint("+ x + "," + y + ")", scale.ToString(), width.ToString(), height.ToString(), "MgColor", format, true.ToString());
return new MgReadOnlyStream(fetch);
}
void OnDisposed(object sender, EventArgs e)
{
_properties.Clear();
_layers.Clear();
_wktRw.Dispose();
_wktRw = null;
_geomFact.Dispose();
_geomFact = null;
}
