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public GetMapImage ( string mapName, |
||
| mapName | string | 地图名称。 |
| mapParameter | 地图参数。 | |
| imageOutputOption | 图片输出设置。 | |
| return | ||
public void GetMapImage_CreateThemeGraph()
{
ThemeGraph themeGraph = new ThemeGraph();
themeGraph.Type = ThemeType.GRAPH;
themeGraph.GraphType = ThemeGraphType.BAR3D;
themeGraph.GraduatedMode = GraduatedMode.SQUAREROOT;
themeGraph.AxesDisplayed = true;
themeGraph.MaxGraphSize = 1;
themeGraph.MinGraphSize = 0.35;
themeGraph.GraphTextDisplayed = true;
themeGraph.GraphTextFormat = GraphTextFormat.VALUE;
themeGraph.BarWidth = 0.03;
var item1 = new ThemeGraphItem();
item1.Caption = "1";
item1.GraphExpression = "Pop_Rate95";
var style1 = new SuperMap.Connector.Utility.Style();
style1.FillForeColor = new SuperMap.Connector.Utility.Color(211, 111, 240);
item1.UniformStyle = style1;
var item2 = new ThemeGraphItem();
item2.Caption = "人口";
item2.GraphExpression = "Pop_Rate99";
var style2 = new SuperMap.Connector.Utility.Style();
style2.FillForeColor = new SuperMap.Connector.Utility.Color(92, 73, 234);
item2.UniformStyle = style2;
themeGraph.Items = new ThemeGraphItem[] { item1, item2 };
UGCThemeLayer themeLayer = new UGCThemeLayer();
themeLayer.DatasetInfo = new DatasetInfo();
themeLayer.DatasetInfo.DataSourceName = "Jingjin";
themeLayer.DatasetInfo.Name = "BaseMap_R";
themeLayer.DatasetInfo.Type = DatasetType.REGION;
themeLayer.Description = "动态统计专题图";
themeLayer.UgcLayerType = UGCLayerType.THEME;
themeLayer.Type = LayerType.UGC;
themeLayer.Visible = true;
themeLayer.Theme = themeGraph;
MapParameter mapParameter = new MapParameter();
mapParameter.CacheEnabled = false;
mapParameter.Center = new Point2D(116.755063, 39.803942);
mapParameter.Scale = 1.0 / 1589406.44119042;
mapParameter.RectifyType = RectifyType.BYCENTERANDMAPSCALE;
mapParameter.Name = "动态统计专题图";
mapParameter.ColorMode = MapColorMode.DEFAULT;
mapParameter.Layers = new List<Layer>();
mapParameter.Layers.Add(themeLayer);
mapParameter.Viewer = new SuperMap.Connector.Utility.Rectangle(0, 0, 500, 400);
Map map = new Map("http://" + ip + ":8090/iserver/services/map-jingjin/rest");
ImageOutputOption imgageOutputOption = new ImageOutputOption();
MapImage imageResult = map.GetMapImage("京津地区人口分布图_专题图", mapParameter, imgageOutputOption);
using (MemoryStream memoryStream = new MemoryStream(imageResult.ImageData))
{
Bitmap bmp = new Bitmap(memoryStream);
Assert.IsTrue(bmp.Width == 500);
Assert.IsTrue(bmp.Height == 400);
Assert.IsTrue(bmp.GetPixel(309, 293).R == 211);
Assert.IsTrue(bmp.GetPixel(309, 293).G == 111);
Assert.IsTrue(bmp.GetPixel(309, 293).B == 240);
}
}
public void GetMapImage()
{
Map map = new Map("http://" + ip + ":8090/iserver/services/map-world/rest");
MapParameter mapParameter = map.GetDefaultMapParameter("世界地图");
List<Layer> tempLayer = new List<Layer>();
tempLayer.Add(mapParameter.Layers[12]);
tempLayer.Add(mapParameter.Layers[13]);
mapParameter.Layers = tempLayer;
SuperMap.Connector.Utility.Rectangle rect = new SuperMap.Connector.Utility.Rectangle();
rect.LeftTop = new SuperMap.Connector.Utility.Point();
rect.RightBottom = new SuperMap.Connector.Utility.Point();
rect.LeftTop.X = 0;
rect.LeftTop.Y = 0;
rect.RightBottom.X = 600;
rect.RightBottom.Y = 480;
mapParameter.Viewer = rect;
mapParameter.Center = new Point2D();
mapParameter.Center.X = 0;
mapParameter.Center.Y = 0;
MapImage mapImage = map.GetMapImage("世界地图", mapParameter, null);
using (MemoryStream memoryStream = new MemoryStream(mapImage.ImageData))
{
Bitmap bmp = new Bitmap(memoryStream);
Assert.IsTrue(bmp.Width == 600);
Assert.IsTrue(bmp.Height == 480);
}
}
public void GetMapImage_ReturnUrl()
{
Map map = new Map("http://" + ip + ":8090/iserver/services/map-world/rest");
MapParameter mapParameter = new MapParameter()
{
Center = new Point2D(0, 0),
Scale = 0.0000000013138464,
Viewer = new Utility.Rectangle(0, 0, 256, 256)
};
ImageOutputOption option = new ImageOutputOption()
{
ImageOutputFormat = ImageOutputFormat.GIF,
ImageReturnType = ImageReturnType.URL
};
MapImage mapImage = map.GetMapImage("世界地图", mapParameter, option);
Assert.IsNotNull(mapImage);
Assert.IsTrue(!string.IsNullOrWhiteSpace(mapImage.ImageUrl));
HttpWebRequest webRequest = (HttpWebRequest)WebRequest.Create(mapImage.ImageUrl);
HttpWebResponse response = (HttpWebResponse)webRequest.GetResponse();
Stream stream = response.GetResponseStream();
Assert.IsNotNull(stream);
}
public void DynicProject()
{
Map map = new Map("http://" + ip + ":8090/iserver/services/map-world/rest");
MapParameter mapParameter = new MapParameter();
mapParameter.PrjCoordSys = new PrjCoordSys();
mapParameter.PrjCoordSys.EpsgCode = 3857;
mapParameter.Center = new Point2D(0, 0);
mapParameter.Scale = 0.0000000013138464;
mapParameter.Viewer = new Utility.Rectangle(0, 0, 256, 256);
mapParameter.RectifyType = RectifyType.BYCENTERANDMAPSCALE;
mapParameter.CacheEnabled = false;
ImageOutputOption option = new ImageOutputOption();
option.ImageOutputFormat = ImageOutputFormat.PNG;
option.ImageReturnType = ImageReturnType.BINARY;
MapImage image = map.GetMapImage("世界地图", mapParameter, option);
Assert.IsTrue(image != null);
using (MemoryStream stream = new MemoryStream(image.ImageData))
{
Bitmap bmp = (Bitmap)Image.FromStream(stream);
System.Drawing.Color t = bmp.GetPixel(200, 230);
Assert.IsTrue(t.A == 255);
Assert.IsTrue(t.R == 196);
Assert.IsTrue(t.G == 193);
Assert.IsTrue(t.B == 225);
}
}