protected override void OnLoad(EventArgs e) { base.OnLoad(e); this.sampleControl1.Center = new double[] { 534463.21f, 6633094.69f }; //this.sampleControl1.Center = new float[] { 0f, 0f }; this.sampleControl1.ZoomFactor = 1; // initialize a test-scene. var scene2D = new Scene2DSimple(); scene2D.BackColor = Color.White.ToArgb(); scene2D.AddPoint(float.MinValue, float.MaxValue, 0, 0, Color.Blue.ToArgb(), 1); bool fill = false; int color = Color.White.ToArgb(); int width = 1; scene2D.AddPolygon(float.MinValue, float.MaxValue, new double[] { 50, -80, 70 }, new double[] { 20, -10, -70 }, color, width, fill); // load test osm file. Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream( "OsmSharp.WinForms.UI.Sample.test.osm"); var xmlDataProcessorSource = new XmlOsmStreamSource(stream); ICollection <OsmGeo> osmList = xmlDataProcessorSource.PullToCollection(); // build a scene using spherical mercator. IProjection sphericalMercator = new WebMercator(); var nodes = new Dictionary <long, GeoCoordinate>(); foreach (OsmGeo simpleOsmGeo in osmList) { if (simpleOsmGeo is Node) { var simplenode = (simpleOsmGeo as Node); double[] point = sphericalMercator.ToPixel( simplenode.Latitude.Value, simplenode.Longitude.Value); nodes.Add(simplenode.Id.Value, new GeoCoordinate(simplenode.Latitude.Value, simplenode.Longitude.Value)); scene2D.AddPoint(float.MinValue, float.MaxValue, (float)point[0], (float)point[1], Color.Yellow.ToArgb(), 2); } else if (simpleOsmGeo is Way) { var way = (simpleOsmGeo as Way); var x = new List <double>(); var y = new List <double>(); if (way.Nodes != null) { for (int idx = 0; idx < way.Nodes.Count; idx++) { GeoCoordinate nodeCoords; if (nodes.TryGetValue(way.Nodes[idx], out nodeCoords)) { x.Add((float)sphericalMercator.LongitudeToX(nodeCoords.Longitude)); y.Add((float)sphericalMercator.LatitudeToY(nodeCoords.Latitude)); } } } if (x.Count > 0) { scene2D.AddLine(float.MinValue, float.MaxValue, x.ToArray(), y.ToArray(), Color.Blue.ToArgb(), 2); } } } this.sampleControl1.Scene = scene2D; this.sampleControl1.Invalidate(); }