/// <summary>
/// Creates an instance of this class
/// </summary>
public MagnifierTool(MapBox parentMapBox)
: base("Magnifier", "A tool to magnify the portion of the map below the cursor")
{
_parentMapBox = parentMapBox;
_parentMapBox.MapChanged += HandleMapChanged;
Map = _parentMapBox.Map;
MagnificationFactor = 1.10;
Offset = new Size(5,5);
_magnified = new PictureBox();
_magnified.Size = new Size(75, 75);
_magnified.BorderStyle = BorderStyle.FixedSingle;
_magnified.Visible = false;
_parentMapBox.Controls.Add(_magnified);
Map = _parentMapBox.Map;
_map = Map.Clone();
_map.Size = _magnified.Size;
_map.Zoom = _map.Size.Width*(Map.Envelope.Width/Map.Size.Width) / _magnification;
_map.Center = _map.Center;
_magnified.Image = _map.GetMap();
Enabled = true;
var ms = Assembly.GetExecutingAssembly().GetManifestResourceStream("WinFormSamples.Magnifier.cur");
if (ms != null)
Cursor = new Cursor(ms);
}
/// <summary>
/// Creates the map, inserts it into the cache and sets the ImageButton Url
/// </summary>
private void CreateMap()
{
System.Drawing.Image img = myMap.GetMap();
string imgID = SharpMap.Web.Caching.InsertIntoCache(1, img);
imgMap.ImageUrl = "getmap.aspx?ID=" + HttpUtility.UrlEncode(imgID);
}
private static void TestMaps(string name, Map m, Map mD)
{
Assert.NotNull(mD);
Assert.AreEqual(m.Size, mD.Size);
Assert.AreEqual(m.Layers.Count, mD.Layers.Count);
var c = new LayerTest.VectorLayerEqualityComparer();
for (var i = 0; i < m.Layers.Count; i++)
{
Assert.IsTrue(c.Equals((VectorLayer)m.Layers[i],
(VectorLayer)mD.Layers[i]),
"Layer {0}, '{1}' Differs at {2}",
i, m.Layers[i].LayerName, string.Join(", ", c.DifferAt));
}
Assert.AreEqual(m.PixelAspectRatio, mD.PixelAspectRatio);
Assert.AreEqual(m.PixelHeight, mD.PixelHeight);
Assert.AreEqual(m.PixelWidth, mD.PixelWidth);
Assert.AreEqual(m.PixelSize, mD.PixelSize);
Assert.AreEqual(m.BackColor, mD.BackColor);
Assert.IsTrue(m.Center.Equals(mD.Center));
Assert.IsTrue(m.GetExtents().Equals(mD.GetExtents()));
Assert.IsTrue(m.Envelope.Equals(mD.Envelope));
Assert.AreEqual(m.Decorations.Count, mD.Decorations.Count);
Assert.AreEqual(m.SRID, mD.SRID);
Assert.AreEqual(m.Zoom, mD.Zoom);
Assert.DoesNotThrow(() => m.GetMap().Save(name + "-S.bmp"));
Assert.DoesNotThrow(() => mD.GetMap().Save(name + "-D.bmp"));
}
public void TestPlainPolygonSymbolizer()
{
ShapeFile provider = new ShapeFile(
"..\\..\\..\\WinFormSamples\\GeoData\\World\\countries.shp", true);
PolygonalVectorLayer l = new PolygonalVectorLayer("Countries", provider);
l.Symbolizer = new ModifiedBasicPolygonSymbolizer
{
Fill = new HatchBrush(
HatchStyle.WideDownwardDiagonal,
Color.Red /*,
System.Drawing.Color.LightPink*/),
UseClipping = false,
//Outline = System.Drawing.Pens.AliceBlue
};
Map m = new Map(new Size(1440, 1080)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
Image img = m.GetMap();
sw.Start();
img = m.GetMap();
img.Save("PolygonSymbolizer-1.bmp", ImageFormat.Bmp);
sw.Stop();
Console.WriteLine(string.Format("Rendering new method:{0}ms", sw.ElapsedMilliseconds));
l.Symbolizer = new BasicPolygonSymbolizer()
{
Fill = new HatchBrush(
HatchStyle.WideDownwardDiagonal,
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", ImageFormat.Bmp);
sw.Stop();
Console.WriteLine(string.Format("Rendering new method:{0}ms", sw.ElapsedMilliseconds));
}
/// <summary>
/// Creates the map, inserts it into the cache and sets the ImageButton Url
/// </summary>
private void GenerateMap()
{
//Save the current mapcenter and zoom in the viewstate
ViewState.Add("mapCenter", myMap.Center);
ViewState.Add("mapZoom", myMap.Zoom);
System.Drawing.Image img = myMap.GetMap();
string imgID = SharpMap.Web.Caching.InsertIntoCache(1, img);
imgMap.ImageUrl = "getmap.aspx?ID=" + HttpUtility.UrlEncode(imgID);
}
/// <summary>
/// Refreshes the mapControl
/// </summary>
public override void Refresh()
{
try {
if (_Map != null)
{
_Map.Size = ClientSize;
if (_Map.Layers == null || _Map.Layers.Count == 0)
{
m_Image = null;
}
else
{
Cursor c = Cursor;
try {
Cursor = Cursors.WaitCursor;
m_Image = _Map.GetMap();
} finally {
Cursor = c;
}
}
if (m_Image != null && _legend != null)
{
if (_legend.IsVisible)
{
_legend.Draw(m_Image);
}
}
base.Refresh();
if (MapRefreshed != null)
{
MapRefreshed(this, null);
}
}
} catch (Exception ex) {
// ignore
Logger.Debug(ex.ToString());
}
}
public void TestMapDecorationTest()
{
var m = new Map(new Size(780, 540)) {BackColor = Color.White};
var p = new GeometryProvider(new List<SharpMap.Geometries.Geometry>());
var pts = new [] {new GeoPoint(0, 0), new GeoPoint(779, 539)};
var ls = new SharpMap.Geometries.LineString(new List<GeoPoint>(pts));
p.Geometries.Add(ls);
m.Layers.Add(new VectorLayer("t",p));
m.ZoomToExtents();
m.Decorations.Add(new TestDecoration
{
Anchor = MapDecorationAnchor.LeftTop,
BorderColor = Color.Green,
BackgroundColor = Color.LightGreen,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
Opacity = 0.6f
});
m.Decorations.Add(new TestDecoration
{
Anchor = MapDecorationAnchor.RightTop,
BorderColor = Color.Red,
BackgroundColor = Color.LightCoral,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
Opacity = 0.2f
});
m.Decorations.Add(new ScaleBar
{
Anchor = MapDecorationAnchor.Default,
BorderColor = Color.Blue,
BackgroundColor = Color.CornflowerBlue,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
BarWidth = 4,
ScaleText =ScaleBarLabelText.RepresentativeFraction,
NumTicks = 2,
Opacity = 1f
});
var bmp = m.GetMap();
bmp.Save("TestMapDecorationTest.bmp");
}
protected void Page_Load(object sender, EventArgs e)
{
int Width = 0;
int Height = 0;
double centerX = 0;
double centerY = 0;
double Zoom = 0;
string[] Layer;
//Parse request parameters
if (!int.TryParse(Request.Params["WIDTH"], out Width))
{
throw(new ArgumentException("Invalid parameter"));
}
if (!int.TryParse(Request.Params["HEIGHT"], out Height))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["ZOOM"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out Zoom))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["X"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out centerX))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["Y"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out centerY))
{
throw (new ArgumentException("Invalid parameter"));
}
//Params OK
SharpMap.Map map = InitializeMap(new System.Drawing.Size(Width, Height));
map.Center = new GeoAPI.Geometries.Coordinate(centerX, centerY);
map.Zoom = Zoom;
//Generate map
System.Drawing.Bitmap img = (System.Drawing.Bitmap)map.GetMap();
//Stream the image to the client
Response.ContentType = "image/png";
System.IO.MemoryStream MS = new System.IO.MemoryStream();
img.Save(MS, System.Drawing.Imaging.ImageFormat.Png);
// tidy up
img.Dispose();
byte[] buffer = MS.ToArray();
Response.OutputStream.Write(buffer, 0, buffer.Length);
}
public void TestBasicLineSymbolizer()
{
ShapeFile p = new ShapeFile(@"d:\\daten\GeoFabrik\\roads.shp", false);
VectorLayer l = new VectorLayer("roads", p);
//l.Style.Outline = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5);
l.Style.Line = new Pen(Color.Gold, 1);
l.Style.EnableOutline = false;
Map m = new Map(new Size(1440, 1080)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
sw.Start();
m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
sw.Reset();
sw.Start();
Image bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering old method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("NDSRoads1.bmp");
CachedLineSymbolizer cls = new CachedLineSymbolizer();
//cls.LineSymbolizeHandlers.Add(new SharpMap.Rendering.Symbolizer.PlainLineSymbolizeHandler { Line = new System.Drawing.Pen(System.Drawing.Color.Firebrick, 5) });
cls.LineSymbolizeHandlers.Add(new PlainLineSymbolizeHandler { Line = new Pen(Color.Gold, 1) });
l.Style.LineSymbolizer = cls;
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("NDSRoads2.bmp");
}
/// <summary>
/// Creates the map, inserts it into the cache and sets the ImageButton Url
/// </summary>
private void GenerateMap()
{
//Save the current mapcenter and zoom in the viewstate
ViewState.Add("mapCenter", myMap.Center);
ViewState.Add("mapZoom", myMap.Zoom);
ViewState.Add("currentProj", ddlProjection.SelectedValue);
//Render the map
System.Drawing.Image img = myMap.GetMap();
string imgID = SharpMap.Web.Caching.InsertIntoCache(1, img);
imgMap.ImageUrl = "getmap.aspx?ID=" + HttpUtility.UrlEncode(imgID);
litEnvelope.Text = myMap.Envelope.Left.ToString("#.##") + "," + myMap.Envelope.Bottom.ToString("#.##") + " -> " +
myMap.Envelope.Right.ToString("#.##") + "," + myMap.Envelope.Top.ToString("#.##") + " (Projected coordinate system)";
}
public void TestMapDecorationTest()
{
Map m = new Map(new Size(780, 540)) {BackColor = Color.White, SRID = 0};
GeoPoint[] pts = new [] {new GeoPoint(0, 0), new GeoPoint(779, 539)};
FeatureProvider p = new FeatureProvider(m.Factory.CreateLineString(pts));
m.Layers.Add(new VectorLayer("t",p));
m.ZoomToExtents();
m.Decorations.Add(new TestDecoration
{
Anchor = MapDecorationAnchor.LeftTop,
BorderColor = Color.Green,
BackgroundColor = Color.LightGreen,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
Opacity = 0.6f
});
m.Decorations.Add(new TestDecoration
{
Anchor = MapDecorationAnchor.RightTop,
BorderColor = Color.Red,
BackgroundColor = Color.LightCoral,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
Opacity = 0.2f
});
m.Decorations.Add(new ScaleBar
{
Anchor = MapDecorationAnchor.Default,
BorderColor = Color.Blue,
BackgroundColor = Color.CornflowerBlue,
BorderWidth = 2,
Location = new Point(10, 10),
BorderMargin = new Size(5, 5),
RoundedEdges = true,
BarWidth = 4,
ScaleText =ScaleBarLabelText.RepresentativeFraction,
NumTicks = 2,
Opacity = 1f
});
Image bmp = m.GetMap();
bmp.Save("TestMapDecorationTest.bmp");
}
public void TestGetMap()
{
var m = new Map(new Size(500, 300));
m.BackColor = Color.White;
var p = KmlProvider.FromKml(@"TestData\KML_Samples.kml");
var l = new VectorLayer(p.ConnectionID, p);
l.Theme = p.GetKmlTheme();
m.Layers.Add(l);
m.ZoomToExtents();
m.Zoom *= 1.1;
var img = m.GetMap();
img.Save("KmlProviderImage.png", ImageFormat.Png);
}
public void TestRender()
{
var style = new SharpMap.Styles.GroupStyle();
var vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.Red,
PointSize = 6
};
style.AddStyle(vStyle);
vStyle = new SharpMap.Styles.VectorStyle()
{
Enabled = true,
PointColor = Brushes.White,
PointSize = 2
};
style.AddStyle(vStyle);
Assert.AreEqual(2, style.Count);
Assert.AreEqual(Color.Red, (style[0].PointColor as SolidBrush).Color);
VectorLayer vLay = new VectorLayer("test");
vLay.Style = style;
vLay.DataSource = new SharpMap.Data.Providers.GeometryProvider("POINT(0 0)");
Map m = new Map(new Size(11, 11));
m.BackColor = Color.White;
m.ZoomToBox(new GeoAPI.Geometries.Envelope(-5, 5, -5, 5));
m.Layers.Add(vLay);
var img = m.GetMap();
//img.Save(@"c:\\temp\ren.png");
Bitmap bmp = img as Bitmap;
Color c1 = bmp.GetPixel(5, 5);
Assert.AreEqual(Color.White.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(3, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(7, 5);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 3);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
c1 = bmp.GetPixel(5, 7);
Assert.AreEqual(Color.Red.ToArgb(), c1.ToArgb());
}
public void TestTransparency()
{
var tmpFile = GdiImageLayerTest.CreateImage(new Size(300, 300), new Point(10, 10));
using(var l = new GdiImageLayer(tmpFile))
using (var pl = new GdiImageLayerProxy<GdiImageLayer>(l, 0.3f))
using (var m = new Map(new Size(450, 450)))
{
m.Layers.Add(pl);
m.ZoomToExtents();
using (var img = (Bitmap)m.GetMap())
{
var color = img.GetPixel(225, 225);
Assert.LessOrEqual(Math.Abs((int)Math.Round(0.3f*255, MidpointRounding.AwayFromZero) - color.A),1);
}
}
GdiImageLayerTest.DeleteTmpFiles(tmpFile);
}
public void TestColorMap()
{
var tmpFile = GdiImageLayerTest.CreateImage(new Size(300, 300), new Point(10, 10));
using (var l = new GdiImageLayer(tmpFile))
using (var pl = new GdiImageLayerProxy<GdiImageLayer>(l, new ColorMap{OldColor = Color.Red, NewColor = Color.MistyRose}))
using (var m = new Map(new Size(450, 450)))
{
m.Layers.Add(pl);
m.ZoomToExtents();
using (var img = (Bitmap)m.GetMap())
{
var color = img.GetPixel(225, 225);
Assert.AreEqual(Color.MistyRose.ToArgb(), color.ToArgb());
}
}
GdiImageLayerTest.DeleteTmpFiles(tmpFile);
}
/// <summary>
/// Creates the map, inserts it into the cache and sets the ImageButton Url
/// </summary>
private void GenerateMap()
{
//Save the current mapcenter and zoom in the viewstate
ViewState.Add("mapCenter", myMap.Center);
ViewState.Add("mapZoom", myMap.Zoom);
//Render map
System.Drawing.Image img;
try
{
img = myMap.GetMap();
}
catch (SqlException ex)
{
throw new Exception(
"An error related to Sql occured. Ensure you have configured the database server correctly and updated the web.config file. See the readme in the MsSqlSpatialDemoDb folder.",
ex);
}
string imgID = SharpMap.Web.Caching.InsertIntoCache(1, img);
imgMap.ImageUrl = "getmap.aspx?ID=" + HttpUtility.UrlEncode(imgID);
}
public void ProcessRequest(HttpContext context)
{
// tile keys
int x, y, z;
//Parse request parameters
if (!int.TryParse(context.Request.Params["x"], out x))
throw (new ArgumentException("Invalid parameter"));
if (!int.TryParse(context.Request.Params["y"], out y))
throw (new ArgumentException("Invalid parameter"));
if (!int.TryParse(context.Request.Params["z"], out z))
throw (new ArgumentException("Invalid parameter"));
string layer = context.Request.Params["layer"]; // not used here
string style = context.Request.Params["style"]; // not used here
// set response type to png
context.Response.ContentType = "image/png";
// check if already rendered, rendered tiles are cached within HttpContext
string cacheKey = string.Format("Tile/{0}/{1}/{2}/{3}/{4}", layer, style, x, y, z);
byte[] buffer = context.Cache[cacheKey] as byte[];
if (buffer != null)
{
context.Response.OutputStream.Write(buffer, 0, buffer.Length);
return;
}
// create a transparent sharpmap map with a size of 256x256
using (var sharpMap = new Map(new Size(256, 256)) { BackColor = Color.Transparent })
{
// the map contains only one layer
var countries = new VectorLayer("WorldCountries")
{
// set tranform to WGS84->Spherical_Mercator
CoordinateTransformation = TransformToMercator(GeographicCoordinateSystem.WGS84),
// set the sharpmap provider for shape files as data source
DataSource = new ShapeFile(
Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "App_Data") +
@"\world_countries_boundary_file_world_2002.shp"),
// use a dynamic style for thematic mapping
// the lambda also takes the map instance into account (to scale the border width)
Theme = new CustomTheme(row => GetPopDensStyle(sharpMap, row)),
};
// add the layer to the map
sharpMap.Layers.Add(countries);
// calculate the bbox for the tile key and zoom the map
sharpMap.ZoomToBox(TileToMercatorAtZoom(x, y, z));
// render the map image
using (var img = sharpMap.GetMap())
{
// stream the image to the client
using (var memoryStream = new MemoryStream())
{
// Saving a PNG image requires a seekable stream, first save to memory stream
// http://forums.asp.net/p/975883/3646110.aspx#1291641
img.Save(memoryStream, ImageFormat.Png);
buffer = memoryStream.ToArray();
// write response
context.Response.OutputStream.Write(buffer, 0, buffer.Length);
// add to cache
context.Cache[cacheKey] = buffer;
}
}
}
}
public void GetMap_RenderLayerWithoutDatasource_ThrowException()
{
Map map = new Map();
map.Layers.Add(new VectorLayer("Layer 1"));
map.GetMap();
}
public void GetMap_RenderEmptyMap_ThrowInvalidOperationException()
{
Map map = new Map(new Size(2, 1));
map.GetMap();
}
public void GetMap_GeometryProvider_ReturnImage()
{
Map map = new Map(new Size(400, 200));
VectorLayer vLayer = new VectorLayer("Geom layer", CreateDatasource());
vLayer.Style.Outline = new Pen(Color.Red, 2f);
vLayer.Style.EnableOutline = true;
vLayer.Style.Line = new Pen(Color.Green, 2f);
vLayer.Style.Fill = Brushes.Yellow;
map.Layers.Add(vLayer);
VectorLayer vLayer2 = new VectorLayer("Geom layer 2", vLayer.DataSource);
vLayer2.Style.SymbolOffset = new PointF(3, 4);
vLayer2.Style.SymbolRotation = 45;
vLayer2.Style.SymbolScale = 0.4f;
map.Layers.Add(vLayer2);
VectorLayer vLayer3 = new VectorLayer("Geom layer 3", vLayer.DataSource);
vLayer3.Style.SymbolOffset = new PointF(3, 4);
vLayer3.Style.SymbolRotation = 45;
map.Layers.Add(vLayer3);
VectorLayer vLayer4 = new VectorLayer("Geom layer 4", vLayer.DataSource);
vLayer4.Style.SymbolOffset = new PointF(3, 4);
vLayer4.Style.SymbolScale = 0.4f;
vLayer4.ClippingEnabled = true;
map.Layers.Add(vLayer4);
map.ZoomToExtents();
Image img = map.GetMap();
Assert.IsNotNull(img);
map.Dispose();
img.Dispose();
}
public override Texture LoadFile(QuadTile qt)
{
//获取切片的本地路径
string filePath = GetLocalPath(qt);
qt.ImageFilePath = filePath;
Texture texture = null;
string ddsPath = filePath;
//判断是否是DDS文件
if (World.Settings.ConvertDownloadedImagesToDds)
{
ddsPath = Path.GetDirectoryName(filePath) + "\\" + Path.GetFileNameWithoutExtension(filePath) + ".dds";
}
filePath = ddsPath;
//判断磁盘上，是否有当前文件，若有，则直接读取，若没有，则重新加载
if (!File.Exists(filePath))
{
//动态读取Tiff影像中的值
SharpMap.Map map = new SharpMap.Map();
for (int i = 0; i < Layers.Length; i++)
{
SharpMap.Layers.VectorLayer shapeLayer = new SharpMap.Layers.VectorLayer(Path.GetFileNameWithoutExtension(Layers[i]));
shapeLayer.DataSource = new SharpMap.Data.Providers.ShapeFile(Layers[i], true);
//设置Polygon的填充色,默认为透明
shapeLayer.Style.Fill = new SolidBrush(fillColor);
//设置Polygon的边框色
shapeLayer.Style.Outline = outlineColor;
shapeLayer.Style.EnableOutline = true;
shapeLayer.Style.Line = lineColor;
shapeLayer.SRID = 4326;
shapeLayer.Enabled = true;
map.Layers.Add(shapeLayer);
}
//设置Map的背景色为透明色
map.BackColor = System.Drawing.Color.Transparent;
//图像的formate
System.Drawing.Imaging.ImageCodecInfo imageEncoder = GetEncoderInfo(formate);
//图片的大小
map.Size = new System.Drawing.Size(m_textureSizePixels, m_textureSizePixels);
//请求图像的范围
string bboxString = "";
bboxString = qt.West.ToString() + "," + qt.South.ToString() + "," + qt.East.ToString() + "," + qt.North.ToString();
SharpMap.Geometries.BoundingBox bbox = this.ParseBBOX(bboxString);
//判断图像的拉伸范围
map.PixelAspectRatio = ((double)m_textureSizePixels / (double)m_textureSizePixels) / (bbox.Width / bbox.Height);
map.Center = bbox.GetCentroid();
map.Zoom = bbox.Width;
//获得当前请求的图片
System.Drawing.Image img = map.GetMap();
if (!Directory.Exists(Path.GetDirectoryName(filePath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(filePath));
}
//保存到本地磁盘
img.Save(filePath);
}
//设置是否显示图片的无效值
if (qt.QuadTileSet.HasTransparentRange)
{
texture = ImageHelper.LoadTexture(filePath, qt.QuadTileSet.ColorKey,
qt.QuadTileSet.ColorKeyMax);
}
else
{
texture = ImageHelper.LoadTexture(filePath, qt.QuadTileSet.ColorKey);
}
//判断，是否转化为dds文件
if (World.Settings.ConvertDownloadedImagesToDds)
{
ConvertImage(texture, filePath);
}
//返回当前纹理
return(texture);
}
public Image GetMapImage()
{
return(_Map.GetMap());
}
protected void Page_Load(object sender, EventArgs e)
{
int Width = 0;
int Height = 0;
double centerX = 0;
double centerY = 0;
double Zoom = 0;
string[] Layer;
//Parse request parameters
if (!int.TryParse(Request.Params["WIDTH"], out Width))
{
throw(new ArgumentException("Invalid parameter"));
}
if (!int.TryParse(Request.Params["HEIGHT"], out Height))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["ZOOM"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out Zoom))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["X"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out centerX))
{
throw (new ArgumentException("Invalid parameter"));
}
if (!double.TryParse(Request.Params["Y"], System.Globalization.NumberStyles.Float, numberFormat_EnUS, out centerY))
{
throw (new ArgumentException("Invalid parameter"));
}
if (Request.Params["MAP"] == null)
{
throw (new ArgumentException("Invalid parameter"));
}
if (!string.IsNullOrEmpty(Request.Params["Layers"]))
{
Layer = Request.Params["Layers"].Split(new char[] { ',' });
}
else
{
throw (new ArgumentException("Invalid parameter"));
}
string colors = Request.Params["Colors"];
string colorsLine = Request.Params["ColorsLine"];
//Params OK
SharpMap.Map map = InitializeMap(Request.Params["MAP"], new System.Drawing.Size(Width, Height), colors, colorsLine);
if (map == null)
{
throw (new ArgumentException("Invalid map"));
}
//toggle layers
if (Layer[0] != "none")
{
for (int i = 0; i < Layer.Length; i++)
{
toggleLayer(Layer[i], map).Enabled = false;
}
}
//Set visible map extents
map.Center = new GeoAPI.Geometries.Coordinate(centerX, centerY);
map.Zoom = Zoom;
//Generate map
System.Drawing.Bitmap img = (System.Drawing.Bitmap)map.GetMap();
//Stream the image to the client
Response.ContentType = "image/png";
System.IO.MemoryStream MS = new System.IO.MemoryStream();
img.Save(MS, System.Drawing.Imaging.ImageFormat.Png);
// tidy up
img.Dispose();
byte[] buffer = MS.ToArray();
Response.OutputStream.Write(buffer, 0, buffer.Length);
}
public void TestWarpedLineSymbolizer()
{
ShapeFile p = new ShapeFile(@"d:\\daten\GeoFabrik\\Aurich\\roads.shp", false);
VectorLayer l = new VectorLayer("roads", p);
CachedLineSymbolizer cls = new CachedLineSymbolizer();
cls.LineSymbolizeHandlers.Add(new PlainLineSymbolizeHandler { Line = new Pen(Color.Gold, 2) });
WarpedLineSymbolizeHander wls = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetGreaterSeries(3, 3),
Line = new Pen(Color.Firebrick, 1)
,
Interval = 20
};
cls.LineSymbolizeHandlers.Add(wls);
l.Style.LineSymbolizer = cls;
Map m = new Map(new Size(720, 540)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
sw.Start();
Image bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads1.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 0),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-0.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 1),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-1.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 2),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-2.bmp");
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.
GetTriangle(4, 3),
Line = new Pen(Color.Firebrick, 1),
Fill = new SolidBrush(Color.Firebrick)
,
Interval = 10
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads2-3.bmp");
//cls.LineSymbolizeHandlers[0] = cls.LineSymbolizeHandlers[1];
cls.LineSymbolizeHandlers[1] = new WarpedLineSymbolizeHander
{
Pattern =
WarpedLineSymbolizer.GetZigZag(4, 4),
Line = new Pen(Color.Firebrick, 1),
//Fill = new System.Drawing.SolidBrush(System.Drawing.Color.Firebrick)
};
sw.Reset(); sw.Start();
bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads3.bmp");
}
public void TestCachedLineSymbolizerInTheme()
{
ShapeFile p = new ShapeFile(@"d:\\daten\GeoFabrik\\Aurich\\roads.shp", false);
VectorLayer l = new VectorLayer("roads", p);
ClsTheme theme = new ClsTheme(l.Style);
l.Theme = theme;
Map m = new Map(new Size(720, 540)) { BackColor = Color.Cornsilk };
m.Layers.Add(l);
m.ZoomToExtents();
Stopwatch sw = new Stopwatch();
sw.Start();
Image bmp = m.GetMap();
sw.Stop();
Console.WriteLine(string.Format("Rendering new method: {0}ms", sw.ElapsedMilliseconds));
bmp.Save("AurichRoads1Theme.bmp");
}
