C# SharpMap.Map.GetMap方法代码示例

        public void TestCharacterPointSymbolizer()
        {
            var fdt = TestData.CreatingData.CreatePointFeatureDataTableFromArrays(
                TestData.CreatingData.GetRandomOrdinates(50, -180, 180), TestData.CreatingData.GetRandomOrdinates(50, -90, 90), null);
            var geometryFeatureProvider = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
            var layer = new SharpMap.Layers.VectorLayer("randompoints", geometryFeatureProvider);
            var cps  = new SharpMap.Rendering.Symbolizer.CharacterPointSymbolizer
                                              {
                                                  Halo = 1,
                                                  HaloBrush = new System.Drawing.SolidBrush(System.Drawing.Color.Wheat),
                                                  //Font = new System.Drawing.Font("Arial", 12),
                                                  CharacterIndex = 0xcc,
                                              };
            layer.Style.PointSymbolizer = cps;
            var map = new SharpMap.Map(new System.Drawing.Size(720, 360));

            map.Layers.Add(layer);
            map.ZoomToExtents();
            map.GetMap().Save("CharacterPointSymbolizer1.bmp");

            cps.Rotation = -30;
            cps.Offset = new System.Drawing.PointF(4, 4);
            map.GetMap().Save("CharacterPointSymbolizer2.bmp");

            cps.Font = new System.Drawing.Font("Arial", 12);
            cps.Text = "ABC";
            cps.Offset = System.Drawing.PointF.Empty;
            cps.Rotation = -90;
            map.GetMap().Save("CharacterPointSymbolizer3.bmp");
        }

        public void TestPathPointSymbolizer()
        {
            var fdt = CreatingData.CreatePointFeatureDataTableFromArrays(
                CreatingData.GetRandomOrdinates(50, -180, 180), CreatingData.GetRandomOrdinates(50, -90, 90), null);
            var geometryFeatureProvider = new SharpMap.Data.Providers.FeatureProvider(fdt);
            var layer = new SharpMap.Layers.VectorLayer("randompoints", geometryFeatureProvider);
            var pps =
                SharpMap.Rendering.Symbolizer.PathPointSymbolizer.CreateSquare(new System.Drawing.Pen(System.Drawing.Color.Red, 2),
                                                                    new System.Drawing.SolidBrush(
                                                                        System.Drawing.Color.DodgerBlue), 20);
            layer.Style.PointSymbolizer = pps;
            var map = new SharpMap.Map(new System.Drawing.Size(720, 360));
            map.Layers.Add(layer);
            map.ZoomToExtents();
            map.GetMap().Save("PathPointSymbolizer1.bmp");

            pps.Rotation = -30;
            map.GetMap().Save("PathPointSymbolizer2.bmp");

            pps.Rotation = 0f;
            pps.Offset = new System.Drawing.PointF(4, 4);
            map.GetMap().Save("PathPointSymbolizer3.bmp");

            var gpTriangle1 = new System.Drawing.Drawing2D.GraphicsPath();
            gpTriangle1.AddPolygon(new [] { new System.Drawing.Point(0, 0), new System.Drawing.Point(5, 10), new System.Drawing.Point(10, 0), new System.Drawing.Point(0, 0), });
            var gpTriangle2 = new System.Drawing.Drawing2D.GraphicsPath();
            gpTriangle2.AddPolygon(new[] { new System.Drawing.Point(0, 0), new System.Drawing.Point(-5, -10), new System.Drawing.Point(-10, 0), new System.Drawing.Point(0, 0), });
            pps = new
                SharpMap.Rendering.Symbolizer.PathPointSymbolizer(new[]
                                                        {
                                                            new SharpMap.Rendering.Symbolizer.PathPointSymbolizer.PathDefinition
                                                                {
                                                                    Path = gpTriangle1,
                                                                    Line =
                                                                        new System.Drawing.Pen(
                                                                        System.Drawing.Color.Red, 2),
                                                                    Fill =
                                                                        new System.Drawing.SolidBrush(
                                                                        System.Drawing.Color.DodgerBlue)
                                                                },
                                                            new SharpMap.Rendering.Symbolizer.PathPointSymbolizer.PathDefinition
                                                                {
                                                                    Path = gpTriangle2,
                                                                    Line =
                                                                        new System.Drawing.Pen(
                                                                        System.Drawing.Color.DodgerBlue, 2),
                                                                    Fill =
                                                                        new System.Drawing.SolidBrush(
                                                                        System.Drawing.Color.Red)
                                                                }

                                                        }){ Rotation = 45 };

            layer.Style.PointSymbolizer = pps;
            map.GetMap().Save("PathPointSymbolizer4.bmp");
            pps.Rotation = 180;
            map.GetMap().Save("PathPointSymbolizer5.bmp");

        }

        public void TestWarpedLineSymbolizer()
        {
            var p = new SharpMap.Data.Providers.ShapeFile(@"d:\\daten\GeoFabrik\\Aurich\\roads.shp", false);

            var l = new SharpMap.Layers.VectorLayer("roads", p);
            var cls = new SharpMap.Rendering.Symbolizer.CachedLineSymbolizer();
            cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.PlainLineSymbolizeHandler { Line = new System.Drawing.Pen(System.Drawing.Color.Gold, 2) });
            cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.WarpedLineSymbolizeHander { Pattern = SharpMap.Rendering.Symbolizer.WarpedLineSymbolizer.GetGreaterSeries(3, 3), Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 1) });
            l.Style.LineSymbolizer = cls;

            var m = new SharpMap.Map(new System.Drawing.Size(720, 540)) {BackColor = System.Drawing.Color.Cornsilk};
            m.Layers.Add(l);

            m.ZoomToExtents();

            var sw = new System.Diagnostics.Stopwatch();

            sw.Start();
            var bmp = m.GetMap();
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
            bmp.Save("AurichRoads1.bmp");

            cls.LineSymbolizeHandlers[1] = new SharpMap.Rendering.Symbolizer.WarpedLineSymbolizeHander
            {
                Pattern = SharpMap.Rendering.Symbolizer.WarpedLineSymbolizer.GetTriangleSeries(4, 7),
                Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 1),
                Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Firebrick)
            };
            sw.Start();
            bmp = m.GetMap();
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
            bmp.Save("AurichRoads2.bmp");

            //cls.LineSymbolizeHandlers[0] = cls.LineSymbolizeHandlers[1];
            cls.LineSymbolizeHandlers[1] = new SharpMap.Rendering.Symbolizer.WarpedLineSymbolizeHander
                                               {
                                                   Pattern = SharpMap.Rendering.Symbolizer.WarpedLineSymbolizer.GetZigZag(4, 4),
                                                   Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 1),
                                                   //Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Firebrick)
                                               };
            sw.Start();
            bmp = m.GetMap();
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
            bmp.Save("AurichRoads3.bmp");

        }

        public MainWindow()
            : base(Gtk.WindowType.Toplevel)
        {
            try
            {
                GeoAPI.GeometryServiceProvider.Instance = new NtsGeometryServices();

                Build();

                Size mapSize = new Size(800, 500);
                myMap = new SharpMap.Map(mapSize);

                SharpMap.Styles.VectorStyle style = new SharpMap.Styles.VectorStyle();
                style.Outline = new Pen(Color.Green, 1);
                style.EnableOutline = true;
                SharpMap.Layers.VectorLayer layWorld = new SharpMap.Layers.VectorLayer("States");
                layWorld.DataSource =
                    new SharpMap.Data.Providers.ShapeFile(
                        @"data" + System.IO.Path.DirectorySeparatorChar + @"states.shp", true);
                layWorld.Style = style;

                myMap.Layers.Add(layWorld);
                myMap.MaximumZoom = 360;
                myMap.BackColor = Color.LightBlue;
                myMap.Center = new GeoAPI.Geometries.Coordinate(0, 0);
                myMap.Zoom = 360;

                Bitmap img = (Bitmap)myMap.GetMap();
                image3.Pixbuf = ImageToPixbuf(img);
            }
            catch (Exception ex)
            {
                label1.Text = ex.Message;
            }
        }

        public void TestListPointSymbolizer()
        {
            var fdt = TestData.CreatingData.CreatePointFeatureDataTableFromArrays(
                TestData.CreatingData.GetRandomOrdinates(50, -180, 180), TestData.CreatingData.GetRandomOrdinates(50, -90, 90), null);
            var geometryFeatureProvider = new SharpMap.Data.Providers.GeometryFeatureProvider(fdt);
            var layer = new SharpMap.Layers.VectorLayer("randompoints", geometryFeatureProvider);
            var pps =
                SharpMap.Rendering.Symbolizer.PathPointSymbolizer.CreateSquare(new System.Drawing.Pen(System.Drawing.Color.Red, 2),
                                                                    new System.Drawing.SolidBrush(
                                                                        System.Drawing.Color.DodgerBlue), 20);

            var cps = new SharpMap.Rendering.Symbolizer.CharacterPointSymbolizer
            {
                Halo = 1,
                HaloBrush = new System.Drawing.SolidBrush(System.Drawing.Color.WhiteSmoke),
                Foreground = new System.Drawing.SolidBrush(System.Drawing.Color.Black),
                Font = new System.Drawing.Font("Arial", 12),
                CharacterIndex = 65
            };

            var lps = new SharpMap.Rendering.Symbolizer.ListPointSymbolizer { pps, cps };

            layer.Style.PointSymbolizer = lps;
            var map = new SharpMap.Map(new System.Drawing.Size(720, 360));
            map.Layers.Add(layer);
            map.ZoomToExtents();
            map.GetMap().Save("ListPointSymbolizer1.bmp");
        }

        public static void Example2()
        {
            var map = new SharpMap.Map(new Size(1280, 1084));

            SharpMap.Data.Providers.IProvider provider =
                new SharpMap.Data.Providers.ShapeFile(
                    @"C:\temp\Data\niedersachsen.shp\railways.shp");

            var style = new SharpMap.Styles.VectorStyle();
            style.Line.Brush = Brushes.White;
            style.Line.DashPattern = new float[] { 4f, 4f };
            style.Line.Width = 4;
            style.EnableOutline = true;
            style.Outline.Brush = Brushes.Black;
            style.Outline.Width = 6;

            var vl = new SharpMap.Layers.VectorLayer("Railways", provider)
                         {Style = style};


            map.Layers.Add(vl);

            var env = vl.Envelope;
            env.ExpandBy(-0.45f *env.Width, -0.45 * env.Height);
            
            map.ZoomToBox(env);

            var mapImage = map.GetMap();
            mapImage.Save("Example2.png",
                System.Drawing.Imaging.ImageFormat.Png);
        }

        public void TestSymbolSelectionTheming()
        {
            //Create a map
            SharpMap.Map map = new SharpMap.Map(new System.Drawing.Size(720, 360));

            //Create some random sample data
            SharpMap.Data.FeatureDataTable fdt =
                cd.CreatePointFeatureDataTableFromArrays(cd.GetRandomOrdinates(80, -180, 180),
                                                         cd.GetRandomOrdinates(80, -90, 90), null);

            //Add rotation column and fill with random rotation values
            fdt.Columns.Add("Symbol", typeof(System.Byte[]));
            foreach (SharpMap.Data.FeatureDataRow row in fdt.Rows)
                row["Symbol"] = RandomSymbol((int)System.Math.Floor(cd.RandomNumberGenerator.NextDouble() * 360d));

            //Create layer and datasource
            SharpMap.Layers.VectorLayer vl = new SharpMap.Layers.VectorLayer("Points", new SharpMap.Data.Providers.GeometryFeatureProvider(fdt));

            //Create default style
            SharpMap.Styles.VectorStyle defaultStyle = new SharpMap.Styles.VectorStyle();
            defaultStyle.Symbol = new System.Drawing.Bitmap(@"..\..\..\DemoWinForm\Resources\flag.png");
            defaultStyle.SymbolScale = 0.5f;

            //Create theming class and apply to layer
            SymbolFromFeatureDataRowTheming srt = new SymbolFromFeatureDataRowTheming("Symbol", defaultStyle);
            vl.Theme = new SharpMap.Rendering.Thematics.CustomTheme(srt.GetRotatedSymol);

            map.Layers.Add(vl);
            map.ZoomToExtents();
            System.Drawing.Image mapImage = map.GetMap();
            mapImage.Save("SymbolFromFDR.bmp");
        }

        public void render2d(Project project, PictureBox picBox)
        {

            SharpMap.Map myMap = new SharpMap.Map();

            foreach (BuildLayer layer in project.getLayers())
            {
                Source source = layer.getSource();

                BoundingBox envelope = new BoundingBox(-1000.0, -1000.0, 1000.0, 1000.0);//TODO
                FeatureDataSet ds = new FeatureDataSet();
                source.DataSource.Open();
                source.DataSource.ExecuteIntersectionQuery(envelope, ds);
                source.DataSource.Close();

                FeatureDataTable features = (FeatureDataTable)ds.Tables[0];

                string label = "Trace test:\n";

                foreach (FeatureDataRow row in features)
                {
                    foreach (Object item in row.ItemArray)
                        label += " - " + item;
                    label += "\n";
                }

                setLabel(label);

                //Show map

                //Filters
                FilterGraph graph = project.getFilterGraph(source.getName());
                if (graph != null)
                {
                    foreach (FeatureFilter filter in graph.getFilters())
                    {
                        //aplicar filtro segun el tipo
                        Mogre.DefaultSceneManagerFactory dsmf = new DefaultSceneManagerFactory();
                        Mogre.SceneManager sm = dsmf.CreateInstance("scenemanager");
                        FilterEnv env = new FilterEnv(sm, "env");
                        foreach (MogreGis.Resource resource in project.getResources())
                        {
                            env.getSession().Resources.addResource(resource);
                        }
                        FeatureList list = Feature.DataTableToList(features);
                        filter.process(list, env);
                        //falta devolver la lista y procesarla ***************************************
                    }
                }

                SharpMap.Layers.VectorLayer myLayer = new SharpMap.Layers.VectorLayer(layer.getName());
                myLayer.DataSource = source.DataSource;
                myMap.Layers.Add(myLayer);
            }

            myMap.Size = new Size(picBox.Width, picBox.Height);
            myMap.ZoomToExtents();
            picBox.Image = myMap.GetMap();
            this.map = myMap;
        }

        public void TestPlainPolygonSymbolizer()
        {
            var provider = new SharpMap.Data.Providers.ShapeFile(
                "..\\..\\..\\WinFormSamples\\GeoData\\World\\countries.shp", true);
            var l = new SharpMap.Layers.Symbolizer.PolygonalVectorLayer("Countries", provider);
            l.Symbolizer = new ModifiedBasicPolygonSymbolizer
                {
                    Fill = new System.Drawing.Drawing2D.HatchBrush(
                            System.Drawing.Drawing2D.HatchStyle.WideDownwardDiagonal, 
                            System.Drawing.Color.Red /*,
                            System.Drawing.Color.LightPink*/),
                    UseClipping = false,
                    //Outline = System.Drawing.Pens.AliceBlue
                };

            var m = new SharpMap.Map(new System.Drawing.Size(1440, 1080)) { BackColor = System.Drawing.Color.Cornsilk };
            m.Layers.Add(l);

            m.ZoomToExtents();

            var sw = new System.Diagnostics.Stopwatch();
            var img = m.GetMap();
            
            sw.Start();
            img = m.GetMap();
            img.Save("PolygonSymbolizer-1.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method:{0}ms", sw.ElapsedMilliseconds));

            l.Symbolizer = new SharpMap.Rendering.Symbolizer.BasicPolygonSymbolizer()
            {
                Fill = new System.Drawing.Drawing2D.HatchBrush(
                        System.Drawing.Drawing2D.HatchStyle.WideDownwardDiagonal,
                        System.Drawing.Color.Red/*,
                        System.Drawing.Color.LightPink*/),
                UseClipping = false,
                //Outline = System.Drawing.Pens.AliceBlue
            };

            sw.Reset(); sw.Start();
            img = m.GetMap();
            img.Save("PolygonSymbolizer-2.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method:{0}ms", sw.ElapsedMilliseconds));
        
        }

        public void TestBasicLineSymbolizer()
        {
            var p = new SharpMap.Data.Providers.ShapeFile(@"d:\\daten\GeoFabrik\\roads.shp", false);
            var l = new SharpMap.Layers.VectorLayer("roads", p);
            //l.Style.Outline = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5);
            l.Style.Line = new System.Drawing.Pen(System.Drawing.Color.Gold, 1);
            l.Style.EnableOutline = false;
            var m = new SharpMap.Map(new System.Drawing.Size(1440,1080)) {BackColor = System.Drawing.Color.Cornsilk};
            m.Layers.Add(l);

            m.ZoomToExtents();

            var sw = new System.Diagnostics.Stopwatch();
            sw.Start();
            m.GetMap();

            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
            sw.Reset();
            sw.Start();
            var bmp = m.GetMap();
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
            bmp.Save("NDSRoads1.bmp");


            var cls = new SharpMap.Rendering.Symbolizer.CachedLineSymbolizer();
            //cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.PlainLineSymbolizeHandler { Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5) });
            cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.PlainLineSymbolizeHandler { Line = new System.Drawing.Pen(System.Drawing.Color.Gold, 1) });

            l.Style.LineSymbolizer = cls;
            sw.Reset(); sw.Start();
            bmp = m.GetMap();
            sw.Stop();
            System.Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
            bmp.Save("NDSRoads2.bmp");

        }

        public void TestRealData()
        {
            var fdt = GetRealFeatureDataTable();
            FillRealDataTable(fdt);

            var p = new SharpMap.Data.Providers.FeatureProvider(fdt);


            var m = new SharpMap.Map(new Size(640, 640));
            m.Layers.Add(new TileLayer(
                new OsmTileSource(new OsmRequest(KnownTileServers.Mapnik) /*, 
                                  new FileCache(@"d:\temp\OSM", "png")*/), "OSM"));

            var l = new HeatLayer(p, "Data", 0.001f);
            l.LayerName = "HEAT";
            m.Layers.Add(l);
#if DotSpatialProjections
            l.CoordinateTransformation = new DotSpatial.Projections.CoordinateTransformation
            {
                Source = ProjectionInfo.FromEpsgCode(4326), 
                Target = ProjectionInfo.FromEpsgCode(3857)
            };
#else
            var ctfac = new ProjNet.CoordinateSystems.Transformations.CoordinateTransformationFactory();
            l.CoordinateTransformation =
                ctfac.CreateFromCoordinateSystems(ProjNet.CoordinateSystems.GeographicCoordinateSystem.WGS84,
                                                  ProjNet.CoordinateSystems.ProjectedCoordinateSystem.WebMercator);
#endif
            l.ZoomMin = 0;// 0.01 * m.GetExtents().Width;
            l.ZoomMax = /*0.9 * */m.GetExtents().Width;
            l.OpacityMax = 1;
            l.OpacityMin = 0.3f;

            m.ZoomToBox(l.Envelope);
            for (var i = 0; i < 5; i++)
            {
                using (var img = m.GetMap())
                {
                    img.Save("RealDataHeat" + i + ".png");
                }
                m.Zoom /= 2;
            }
            m.ZoomToExtents();
            using (var img = m.GetMap())
            {
                img.Save("RealDataHeat.png");
            }

        }

        public static void Example1()
        {
            var map = new SharpMap.Map(new Size(1280, 1084));

            SharpMap.Data.Providers.IProvider provider =
                new SharpMap.Data.Providers.ShapeFile(
                    @"C:\temp\Data\niedersachsen.shp\railways.shp");
            var vl = new SharpMap.Layers.VectorLayer("Railways", provider);

            map.Layers.Add(vl);

            map.ZoomToBox(vl.Envelope);

            var mapImage = map.GetMap();
            mapImage.Save("Example1.png",
                System.Drawing.Imaging.ImageFormat.Png);
        }

        public void HeatLayerTest()
        {
            var m = new SharpMap.Map(new Size(640, 480));
            var data = CreatingData.CreatePointFeatureDataTableFromArrays(
                CreatingData.GetRandomOrdinates(150, 5, 6),
                CreatingData.GetRandomOrdinates(150, 52, 53), null,
                CreatingData.GetRandomOrdinates(150, 0, 1));

            var p = new SharpMap.Data.Providers.FeatureProvider(data);
            var l = new HeatLayer(p, "Data");

            m.Layers.Add(l);
            m.ZoomToBox(new Envelope(5.4, 5.8, 52.4, 52.6));
            //m.ZoomToExtents();

            var img = m.GetMap();
            img.Save("HeatMap.png", ImageFormat.Png);
            img.Dispose();
        }

        public void MultiLineCenterAlignedTest()
        {
            using (var m = new SharpMap.Map(new Size(600, 400)))
            {
                m.BackColor = Color.SeaShell;
                //_featureDataTable.Clear();
                var gfp = new GeometryFeatureProvider(_featureDataTable);
                var vl = new VectorLayer("VL", gfp);
                var ll = new LabelLayer("MultiLineCenterAligned") {DataSource = gfp};
                ll.Theme = CreateTheme();
                ll.LabelColumn = "LABEL";
                m.Layers.Add(vl);
                m.Layers.Add(ll);

                m.ZoomToExtents();
                using (var mapImage = m.GetMap())
                    mapImage.Save("MultiLineCenterAligned.png", ImageFormat.Png);
            }
        }

        public void TestIncompleteImage()
        {
            using (var map = new SharpMap.Map(new Size(2500, 2500)))
            {
                map.BackColor = Color.Magenta;
                var br = new BingRequest(BingRequest.UrlBing, "", BingMapType.Hybrid);
                var bts = new BingTileSource(br);
                var tl = new TileLayer(bts, "TileLayer - " + BingMapType.Hybrid.ToString(), Color.Transparent, true,
                                       System.IO.Path.Combine(_fileCacheRoot, "BingStaging"));
                map.Layers.Add(tl);

                map.ZoomToBox(new Envelope(829384.331338522, 837200.785470394, 7068020.31417922, 7072526.73926545)
                            /*new Envelope(-239839.49199841652, 78451.759683380573, -37033.0152981899, 106723.52879865949)*/);
                using (var image = map.GetMap())
                {
                    image.Save("TestIncompleteImage.png", ImageFormat.Png);
                }
            }
        }