public void TestLayer()
{
var map = new SharpMap.Map(new System.Drawing.Size(500, 500));
var gp = new SharpMap.Data.Providers.GeometryProvider(
new[]
{
Factory.CreatePolygon(
ShapeFactory.CreateEllipse(Factory, new GeoAPI.Geometries.Coordinate(0, 0),
new System.Drawing.SizeF(40, 30)),
new[]
{
ShapeFactory.CreateEllipse(Factory, new GeoAPI.Geometries.Coordinate(90, 55),
new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(Factory, new GeoAPI.Geometries.Coordinate(77, 24),
new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(Factory, new GeoAPI.Geometries.Coordinate(-80, 41),
new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(Factory, new GeoAPI.Geometries.Coordinate(-45, -36),
new System.Drawing.SizeF(40, 30)),
})
});
var gl = new SharpMap.Layers.VectorLayer("GeometryLayer", gp);
map.Layers.Add(gl);
map.ZoomToExtents();
var mapimage = map.GetMap();
mapimage.Save("ellipse.png", System.Drawing.Imaging.ImageFormat.Png);
}
private void Form2_Load(object sender, EventArgs e)
{
//TileAsyncLayer osmLayer= new TileAsyncLayer(new OsmTileSource(), "TileLayer - OSM");
TileAsyncLayer bingLayer = new TileAsyncLayer(new BingTileSource(BingRequest.UrlBing, "",BingMapType.Roads), "TileLayer - Bing" );
this.mapBox1.Map.BackgroundLayer.Add(bingLayer);
#if DotSpatialProjections
var mathTransform = LayerTools.Wgs84toGoogleMercator;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform.Source, mathTransform.Target);
#else
var mathTransform = LayerTools.Wgs84toGoogleMercator.MathTransform;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform);
#endif
//Adds a pushpin layer
VectorLayer pushPinLayer = new VectorLayer("PushPins");
List<SharpMap.Geometries.Geometry> geos = new List<SharpMap.Geometries.Geometry>();
geos.Add(geom.GetCentroid());
SharpMap.Data.Providers.GeometryProvider geoProvider = new SharpMap.Data.Providers.GeometryProvider(geos);
pushPinLayer.DataSource = geoProvider;
//this.mapBox1.Map.Layers.Add(pushPinLayer);
this.mapBox1.Map.ZoomToBox(geom);
this.mapBox1.Map.Zoom = 8500;
this.mapBox1.Refresh();
}
public void TestXml1()
{
var xml = @"<?xml version=""1.0"" encoding=""utf-8"" ?>
<root>
<Points>
<Point>
<X>13457786.5961983</X>
<Y>1629064.58490612</Y>
</Point>
</Points>
</root>";
var xmlFileName = System.IO.Path.ChangeExtension(System.IO.Path.GetTempFileName(), "xml");
using (var sw = new System.IO.StreamWriter(System.IO.File.OpenWrite(xmlFileName)))
sw.Write(xml);
var factory = new NetTopologySuite.Geometries.GeometryFactory();
SharpMap.Data.Providers.GeometryProvider p = null;
using (var fs = System.IO.File.OpenRead(xmlFileName))
{
p = new SharpMap.Data.Providers.GeometryProvider(PointsFromXml(factory, fs));
NUnit.Framework.Assert.IsNotNull(p);
NUnit.Framework.Assert.AreEqual(1, p.Geometries.Count);
}
System.IO.File.Delete(xmlFileName);
}
private static VectorLayer CrearCapaInfoEst(VectorLayer capaBase)
{
//Layer reservada para consultas con el botón info (vacia)
VectorLayer capaInfoEst = new SharpMap.Layers.VectorLayer(NOMCAPA_INFO);
//Atención: si Envelope de capaBase es nulo (i.e. no hay geometrías en la capaBase)
//proporcionar un punto al proveedor para evitar error en tiempo de ejecución
SharpMap.Data.Providers.GeometryProvider provGeo;
if (capaBase.Envelope == null)
{
provGeo = new SharpMap.Data.Providers.GeometryProvider(new SharpMap.Geometries.Point(0.0, 0.0));
}
else
{
provGeo = new SharpMap.Data.Providers.GeometryProvider(capaBase.Envelope.GetCentroid());
}
provGeo.SRID = capaBase.SRID;
capaInfoEst.DataSource = provGeo;
SimbLayInfoEst s = new SimbLayInfoEst();
capaInfoEst.Enabled = s.visible;
capaInfoEst.Style = ObtenerEstilo(TipoPaleta.predeterminada, s);
AsignarEntradaLeyendaInformacion(NOMCAPA_INFO, capaInfoEst, s.titulo);
return(capaInfoEst);
}
private void Form2_Load(object sender, EventArgs e)
{
//TileAsyncLayer osmLayer= new TileAsyncLayer(new OsmTileSource(), "TileLayer - OSM");
TileAsyncLayer bingLayer = new TileAsyncLayer(new BingTileSource(BingRequest.UrlBing, "", BingMapType.Roads), "TileLayer - Bing");
this.mapBox1.Map.BackgroundLayer.Add(bingLayer);
#if DotSpatialProjections
var mathTransform = LayerTools.Wgs84toGoogleMercator;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform.Source, mathTransform.Target);
#else
var mathTransform = LayerTools.Wgs84toGoogleMercator.MathTransform;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform);
#endif
//Adds a pushpin layer
VectorLayer pushPinLayer = new VectorLayer("PushPins");
List <SharpMap.Geometries.Geometry> geos = new List <SharpMap.Geometries.Geometry>();
geos.Add(geom.GetCentroid());
SharpMap.Data.Providers.GeometryProvider geoProvider = new SharpMap.Data.Providers.GeometryProvider(geos);
pushPinLayer.DataSource = geoProvider;
//this.mapBox1.Map.Layers.Add(pushPinLayer);
this.mapBox1.Map.ZoomToBox(geom);
this.mapBox1.Map.Zoom = 8500;
this.mapBox1.Refresh();
}
public void TestXml1()
{
var xml = @"<?xml version=""1.0"" encoding=""utf-8"" ?>
<root>
<Points>
<Point>
<X>13457786.5961983</X>
<Y>1629064.58490612</Y>
</Point>
</Points>
</root>";
var xmlFileName = System.IO.Path.ChangeExtension(System.IO.Path.GetTempFileName(), "xml");
using (var sw = new System.IO.StreamWriter(System.IO.File.OpenWrite(xmlFileName)))
sw.Write(xml);
var factory = new NetTopologySuite.Geometries.GeometryFactory();
SharpMap.Data.Providers.GeometryProvider p = null;
using (var fs = System.IO.File.OpenRead(xmlFileName))
{
p = new SharpMap.Data.Providers.GeometryProvider(PointsFromXml(factory, fs));
NUnit.Framework.Assert.IsNotNull(p);
NUnit.Framework.Assert.AreEqual(1, p.Geometries.Count);
}
System.IO.File.Delete(xmlFileName);
}
private static VectorLayer CrearCapaSelPlanta(VectorLayer capaBase, List <Geometry> lp)
{
VectorLayer capaSelPlanta = new SharpMap.Layers.VectorLayer(NOMCAPA_CONSULTA);
SharpMap.Data.Providers.GeometryProvider provGeo = new SharpMap.Data.Providers.GeometryProvider(lp);
provGeo.SRID = capaBase.SRID;
capaSelPlanta.DataSource = provGeo;
SimbLaySelPlanta s = new SimbLaySelPlanta();
capaSelPlanta.Enabled = s.visible;
capaSelPlanta.Style = ObtenerEstilo(TipoPaleta.predeterminada, s);
AsignarEntradaLeyendaConsulta(NOMCAPA_CONSULTA, capaSelPlanta, s.titulo);
return(capaSelPlanta);
}
private static VectorLayer CrearCapaSelEst(VectorLayer capaBase, Estancia est)
{
//Layer de la estancia seleccionada en el arbol de estancias
VectorLayer capaSelEst = new SharpMap.Layers.VectorLayer(est.Codigo);
SharpMap.Data.Providers.GeometryProvider provGeo = new SharpMap.Data.Providers.GeometryProvider(est.Geometria);
provGeo.SRID = capaBase.SRID;
capaSelEst.DataSource = provGeo;
SimbLaySelEst s = new SimbLaySelEst();
capaSelEst.Enabled = s.visible;
capaSelEst.Style = ObtenerEstilo(TipoPaleta.predeterminada, s);
AsignarEntradaLeyendaSeleccion(capaSelEst.LayerName, capaSelEst, s.titulo);
return(capaSelEst);
}
private void FormMovingObjectOverTileLayer_Load(object sender, EventArgs e)
{
//Lisbon...
var mathTransform = LayerTools.Wgs84toGoogleMercator.MathTransform;
GeoAPI.Geometries.Envelope geom = GeometryTransform.TransformBox(
new Envelope(-9.205626, -9.123736, 38.690993, 38.740837),
mathTransform);
var map = new SharpMap.Map();
//Google Background
TileAsyncLayer layer2 = new TileAsyncLayer(KnownTileSources.Create(KnownTileSource.BingRoads), "TileLayer - Bing");
map.BackgroundLayer.Add(layer2);
var gf = new GeometryFactory(new PrecisionModel(), 3857);
//Adds a static layer
var staticLayer = new VectorLayer("Fixed Marker");
//position = geom.GetCentroid();
var aux = new List <IGeometry>();
aux.Add(gf.CreatePoint(geom.Centre));
staticLayer.Style.Symbol = Resources.PumpSmall;
var geoProviderFixed = new SharpMap.Data.Providers.GeometryProvider(aux);
staticLayer.DataSource = geoProviderFixed;
map.Layers.Add(staticLayer);
//Adds a moving variable layer
VectorLayer pushPinLayer = new VectorLayer("PushPins");
position = geom.Centre;
geos.Add(gf.CreatePoint(position));
pushPinLayer.Style.Symbol = Resources.OutfallSmall;
var geoProvider = new SharpMap.Data.Providers.GeometryProvider(geos);
pushPinLayer.DataSource = geoProvider;
map.VariableLayers.Add(pushPinLayer);
map.ZoomToBox(geom);
this.mapBox1.Map = map;
this.mapBox1.Refresh();
}
private void FormMovingObjectOverTileLayer_Load(object sender, EventArgs e)
{
//Lisbon...
#if DotSpatialProjections
var mathTransform = LayerTools.Wgs84toGoogleMercator;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform.Source, mathTransform.Target);
#else
var mathTransform = LayerTools.Wgs84toGoogleMercator.MathTransform;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform);
#endif
//Google Background
TileAsyncLayer layer2 = new TileAsyncLayer(new OsmTileSource(), "TileLayer - OSM");
this.mapBox1.Map.BackgroundLayer.Add(layer2);
//Adds a static layer
VectorLayer staticLayer = new VectorLayer("Fixed Marker");
//position = geom.GetCentroid();
List<SharpMap.Geometries.Geometry> aux = new List<SharpMap.Geometries.Geometry>();
aux.Add(geom.GetCentroid());
staticLayer.Style.Symbol = Resources.PumpSmall;
SharpMap.Data.Providers.GeometryProvider geoProviderFixed = new SharpMap.Data.Providers.GeometryProvider(aux);
staticLayer.DataSource = geoProviderFixed;
this.mapBox1.Map.Layers.Add(staticLayer);
//Adds a moving variable layer
VectorLayer pushPinLayer = new VectorLayer("PushPins");
position = geom.GetCentroid();
geos.Add(position);
pushPinLayer.Style.Symbol = Resources.OutfallSmall;
SharpMap.Data.Providers.GeometryProvider geoProvider = new SharpMap.Data.Providers.GeometryProvider(geos);
pushPinLayer.DataSource = geoProvider;
this.mapBox1.Map.VariableLayers.Add(pushPinLayer);
this.mapBox1.Map.ZoomToBox(geom);
this.mapBox1.Refresh();
}
private void FormMovingObjectOverTileLayer_Load(object sender, EventArgs e)
{
//Lisbon...
#if DotSpatialProjections
var mathTransform = LayerTools.Wgs84toGoogleMercator;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform.Source, mathTransform.Target);
#else
var mathTransform = LayerTools.Wgs84toGoogleMercator.MathTransform;
SharpMap.Geometries.BoundingBox geom = GeometryTransform.TransformBox(
new SharpMap.Geometries.BoundingBox(-9.205626, 38.690993, -9.123736, 38.740837),
mathTransform);
#endif
//Google Background
TileAsyncLayer layer2 = new TileAsyncLayer(new OsmTileSource(), "TileLayer - OSM");
this.mapBox1.Map.BackgroundLayer.Add(layer2);
//Adds a static layer
VectorLayer staticLayer = new VectorLayer("Fixed Marker");
//position = geom.GetCentroid();
List <SharpMap.Geometries.Geometry> aux = new List <SharpMap.Geometries.Geometry>();
aux.Add(geom.GetCentroid());
staticLayer.Style.Symbol = Resources.PumpSmall;
SharpMap.Data.Providers.GeometryProvider geoProviderFixed = new SharpMap.Data.Providers.GeometryProvider(aux);
staticLayer.DataSource = geoProviderFixed;
this.mapBox1.Map.Layers.Add(staticLayer);
//Adds a moving variable layer
VectorLayer pushPinLayer = new VectorLayer("PushPins");
position = geom.GetCentroid();
geos.Add(position);
pushPinLayer.Style.Symbol = Resources.OutfallSmall;
SharpMap.Data.Providers.GeometryProvider geoProvider = new SharpMap.Data.Providers.GeometryProvider(geos);
pushPinLayer.DataSource = geoProvider;
this.mapBox1.Map.VariableLayers.Add(pushPinLayer);
this.mapBox1.Map.ZoomToBox(geom);
this.mapBox1.Refresh();
}
protected override void OnMapControlChangedInternal(EventArgs e)
{
base.OnMapControlChangedInternal(e);
if (MapControl == null)
{
_layer.Dispose();
_layer = null;
Enabled = false;
return;
}
_geometryProvider = new SharpMap.Data.Providers.GeometryProvider((GeoAPI.Geometries.IGeometry)null);
_layer = new SharpMap.Layers.VectorLayer("_tmp_Geometries", _geometryProvider);
MapControl.ActiveToolChanged += OnMapControlActiveToolChanged;
MapControl.GeometryDefined += OnGeometryDefined;
}
public void TestIssue116()
{
string rasterFile = TestUtility.GetPathToTestFile("world.topo.bathy.200412.3x21600x10800.jpg");
if (!System.IO.File.Exists(rasterFile))
{
Assert.Ignore("Test file {0} not present.", rasterFile);
}
using (var map = new SharpMap.Map())
{
var rasterLyr = new SharpMap.Layers.GdalRasterLayer("Raster", rasterFile);
map.Layers.Add(rasterLyr);
var linePoints = new[] { new GeoAPI.Geometries.Coordinate(0, 0), new GeoAPI.Geometries.Coordinate(10, 10) };
var line = NetTopologySuite.NtsGeometryServices.Instance.CreateGeometryFactory(4326).CreateLineString(linePoints);
var linealDs = new SharpMap.Data.Providers.GeometryProvider(line);
var linealLyr = new SharpMap.Layers.VectorLayer("Lineal", linealDs)
{
SRID = 4326
};
linealLyr.Style.Line = new System.Drawing.Pen(System.Drawing.Color.Red, 2f)
{
EndCap = System.Drawing.Drawing2D.LineCap.Round
};
map.Layers.Add(linealLyr);
map.ZoomToExtents();
var centerMap = new System.Drawing.PointF(map.Size.Width / 2f, map.Size.Height / 2f);
for (float f = -180; f <= 180; f += 5)
{
var mapTransform = new System.Drawing.Drawing2D.Matrix();
mapTransform.RotateAt(f, centerMap);
map.MapTransform = mapTransform;
using (var img = map.GetMap())
img.Save(System.IO.Path.Combine(UnitTestsFixture.GetImageDirectory(this), $"TestIssue116.{(f < 0 ? "N" : "P")}{((int)Math.Abs(f)):D3}deg.png"));
}
}
}
public static Estancia RefrescaCapaInfoEst(Map mapa, string codEst)
{
object[] parametros = new object[1] {
codEst
};
DataSet ds = DBUtils.GetDataSet(DB.dbOrigen.PGSQL, "SELECT * FROM quest_estancias WHERE codigo = :param1", parametros);
try
{
List <Estancia> l = ObjectFactory.generarListaEstancias(ds);
if (l != null)
{
if (l.Count > 0)
{
//Resaltar lo seleccionado mediante el botón info en una nueva capa
VectorLayer capaInfoEst = (SharpMap.Layers.VectorLayer)mapa.GetLayerByName(NOMCAPA_INFO);
SharpMap.Data.Providers.GeometryProvider provGeo = new SharpMap.Data.Providers.GeometryProvider(l[0].Geometria);
capaInfoEst.DataSource = provGeo;
capaInfoEst.Enabled = true;
return(l[0]);
}
else
{
throw new ApplicationException("No se encontró ninguna estancia");
}
}
else
{
throw new ApplicationException("No se encontró ninguna estancia");
}
}
catch (Exception ex)
{
throw ex;
}
}
private void LoadParcels(List<PointD> pt, Color color, string labelname)
{
SharpMap.Map map = new SharpMap.Map();
List<GeoAPI.Geometries.Coordinate> vertices = new List<GeoAPI.Geometries.Coordinate>();
foreach (PointD i in pt)
{
GeoAPI.Geometries.Coordinate p = new GeoAPI.Geometries.Coordinate();
p.X = i.X;
p.Y = i.Y;
vertices.Add(p);
}
GeoAPI.Geometries.Coordinate l = new GeoAPI.Geometries.Coordinate();
l.X = pt[0].X;
l.Y = pt[0].Y;
vertices.Add(l);
//Collection<GeoAPI.Geometries.IGeometry> geom = new Collection<GeoAPI.Geometries.IGeometry>();
GeometryFactory gf = new NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing shell = gf.CreateLinearRing(vertices.ToArray());
GeoAPI.Geometries.IPolygon polygon = gf.CreatePolygon(shell, null);
SharpMap.Data.Providers.GeometryProvider geomProvider= new SharpMap.Data.Providers.GeometryProvider(polygon);
SharpMap.Layers.VectorLayer layerParcels = new SharpMap.Layers.VectorLayer("Parcels");
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Fill = new SolidBrush(Color.FromArgb(200,color));
style.Outline = new Pen(new SolidBrush(color));
layerParcels.Style = style;
layerParcels.Style.EnableOutline = true;
layerParcels.DataSource = geomProvider;
layerParcels.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
var fdt = new SharpMap.Data.FeatureDataTable();
fdt.Columns.Add(new System.Data.DataColumn("id", typeof(uint)));
fdt.Columns.Add(new System.Data.DataColumn("label", typeof(string)));
var fdr = (SharpMap.Data.FeatureDataRow)fdt.NewRow();
fdr.ItemArray = new object[] { 1, labelname };
fdr.Geometry = polygon;
fdt.AddRow(fdr);
var dataprovider = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
var ll = new SharpMap.Layers.LabelLayer("llayer");
ll.DataSource = dataprovider;
ll.LabelColumn = "label";
ll.Style.Font = new Font("Eurostile Extended", 16,FontStyle.Bold);
mapBox1.Map.Layers.Add(layerParcels);
mapBox1.Map.Layers.Add(ll);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
}
public void TestLayer()
{
var map = new SharpMap.Map(new System.Drawing.Size(500, 500));
var gp = new SharpMap.Data.Providers.GeometryProvider(
new SharpMap.Geometries.Geometry[]
{
new SharpMap.Geometries.Polygon(ShapeFactory.CreateEllipse(new SharpMap.Geometries.Point(0, 0), new System.Drawing.SizeF(40, 30))),
ShapeFactory.CreateEllipse(new SharpMap.Geometries.Point(90, 55), new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(new SharpMap.Geometries.Point(77, 24), new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(new SharpMap.Geometries.Point(-80, 41), new System.Drawing.SizeF(40, 30)),
ShapeFactory.CreateEllipse(new SharpMap.Geometries.Point(-45, -36), new System.Drawing.SizeF(40, 30)),
});
var gl = new SharpMap.Layers.VectorLayer("GeometryLayer", gp);
map.Layers.Add(gl);
map.ZoomToExtents();
var mapimage = map.GetMap();
mapimage.Save("ellipse.png", System.Drawing.Imaging.ImageFormat.Png);
}
protected override void OnMapControlChangedInternal(EventArgs e)
{
base.OnMapControlChangedInternal(e);
if (MapControl == null)
{
_layer.Dispose();
_layer = null;
Enabled = false;
return;
}
_geometryProvider = new SharpMap.Data.Providers.GeometryProvider((GeoAPI.Geometries.IGeometry)null);
_layer = new SharpMap.Layers.VectorLayer("_tmp_Geometries", _geometryProvider);
MapControl.ActiveToolChanged += OnMapControlActiveToolChanged;
MapControl.GeometryDefined += OnGeometryDefined;
}
private void LoadParcels(List <PointD> pt, Color color, string labelname)
{
SharpMap.Map map = new SharpMap.Map();
List <GeoAPI.Geometries.Coordinate> vertices = new List <GeoAPI.Geometries.Coordinate>();
foreach (PointD i in pt)
{
GeoAPI.Geometries.Coordinate p = new GeoAPI.Geometries.Coordinate();
p.X = i.X;
p.Y = i.Y;
vertices.Add(p);
}
GeoAPI.Geometries.Coordinate l = new GeoAPI.Geometries.Coordinate();
l.X = pt[0].X;
l.Y = pt[0].Y;
vertices.Add(l);
//Collection<GeoAPI.Geometries.IGeometry> geom = new Collection<GeoAPI.Geometries.IGeometry>();
GeometryFactory gf = new NetTopologySuite.Geometries.GeometryFactory();
GeoAPI.Geometries.ILinearRing shell = gf.CreateLinearRing(vertices.ToArray());
GeoAPI.Geometries.IPolygon polygon = gf.CreatePolygon(shell, null);
SharpMap.Data.Providers.GeometryProvider geomProvider = new SharpMap.Data.Providers.GeometryProvider(polygon);
SharpMap.Layers.VectorLayer layerParcels = new SharpMap.Layers.VectorLayer("Parcels");
SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
style.Fill = new SolidBrush(Color.FromArgb(200, color));
style.Outline = new Pen(new SolidBrush(color));
layerParcels.Style = style;
layerParcels.Style.EnableOutline = true;
layerParcels.DataSource = geomProvider;
layerParcels.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
mapBox1.ActiveTool = SharpMap.Forms.MapBox.Tools.Pan;
var fdt = new SharpMap.Data.FeatureDataTable();
fdt.Columns.Add(new System.Data.DataColumn("id", typeof(uint)));
fdt.Columns.Add(new System.Data.DataColumn("label", typeof(string)));
var fdr = (SharpMap.Data.FeatureDataRow)fdt.NewRow();
fdr.ItemArray = new object[] { 1, labelname };
fdr.Geometry = polygon;
fdt.AddRow(fdr);
var dataprovider = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
var ll = new SharpMap.Layers.LabelLayer("llayer");
ll.DataSource = dataprovider;
ll.LabelColumn = "label";
ll.Style.Font = new Font("Eurostile Extended", 16, FontStyle.Bold);
mapBox1.Map.Layers.Add(layerParcels);
mapBox1.Map.Layers.Add(ll);
mapBox1.Map.ZoomToExtents();
mapBox1.Refresh();
}