public static SharpMap.Map GetMapForProviders(IEnumerable <SharpMap.Data.Providers.IProvider> providers)
{
var m = new SharpMap.Map();
foreach (var provider in providers)
{
var l = new VectorLayer(provider.ConnectionID, provider)
{
Style = GetRandomVectorStyle(),
IsQueryEnabled = true
};
if (provider.GetFeatureCount() > 50000)
{
m.BackgroundLayer.Add(AsyncLayerProxyLayer.Create(l, new Size(256, 128)));
}
else
{
m.Layers.Add(l);
}
if (provider.GetFeatureCount() < 50000)
{
var ll = new LabelLayer("Label " + provider.ConnectionID);
ll.DataSource = provider;
provider.Open();
var f = provider.GetFeature(1);
provider.Close();
ll.LabelColumn = f.Table.Columns[0].ColumnName;
ll.Style.CollisionDetection = false;
ll.Style.IgnoreLength = true;
m.Layers.Add(ll);
}
}
m.ZoomToExtents();
return(m);
}
public static Map InitializeMap(float angle)
{
string wmsUrl = "http://resource.sgu.se/service/wms/130/brunnar";
Map map = new Map();
WmsLayer layWms = new WmsLayer("Brunnar", wmsUrl);
layWms.AddLayer("grundvatten:SE.GOV.SGU.BRUNNAR.250K");
//layWms.AddLayer("Topography");
//layWms.AddLayer("Hillshading");
layWms.SetImageFormat(layWms.OutputFormats[0]);
layWms.ContinueOnError = true;
//Skip rendering the WMS Map if the server couldn't be requested (if set to false such an event would crash the app)
layWms.TimeOut = 20000; //Set timeout to 5 seconds
layWms.SRID = 3006;
map.BackgroundLayer.Add(AsyncLayerProxyLayer.Create(layWms, new Size(256, 256)));
map.MaximumExtents = layWms.Envelope;
//limit the zoom to 360 degrees width
map.ZoomToExtents();
map.BackColor = Color.LightBlue;
//map.Zoom = 360;
//map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
map.ZoomToExtents();
map.Zoom = map.Envelope.Width / 3;
return(map);
}
private static Map InitializeMapOrig(float angle)
{
//Initialize a new map of size 'imagesize'
Map map = new Map();
//Set up the countries layer
VectorLayer layCountries = new VectorLayer("Countries");
//Set the datasource to a shapefile in the App_data folder
layCountries.DataSource = new ShapeFile("GeoData/World/countries.shp", true);
//Set fill-style to green
layCountries.Style.Fill = new SolidBrush(Color.FromArgb(64, Color.Green));
//Set the polygons to have a black outline
layCountries.Style.Outline = Pens.Black;
layCountries.Style.EnableOutline = true;
layCountries.SRID = 4326;
//Set up a river layer
VectorLayer layRivers = new VectorLayer("Rivers");
//Set the datasource to a shapefile in the App_data folder
layRivers.DataSource = new ShapeFile("GeoData/World/rivers.shp", true);
//Define a blue 1px wide pen
layRivers.Style.Line = new Pen(Color.Blue, 1);
layRivers.SRID = 4326;
//Set up a cities layer
VectorLayer layCities = new VectorLayer("Cities");
//Set the datasource to a shapefile in the App_data folder
layCities.DataSource = new ShapeFile("GeoData/World/cities.shp", true);
layCities.Style.SymbolScale = 0.8f;
layCities.MaxVisible = 40;
layCities.SRID = 4326;
//Set up a country label layer
LabelLayer layLabel = new LabelLayer("Country labels");
layLabel.DataSource = layCountries.DataSource;
layLabel.Enabled = true;
layLabel.LabelColumn = "Name";
layLabel.Style = new LabelStyle();
layLabel.Style.ForeColor = Color.White;
layLabel.Style.Font = new Font(FontFamily.GenericSerif, 12);
layLabel.Style.BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0));
layLabel.MaxVisible = 90;
layLabel.MinVisible = 30;
layLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
layLabel.SRID = 4326;
layLabel.MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest;
//Set up a city label layer
LabelLayer layCityLabel = new LabelLayer("City labels");
layCityLabel.DataSource = layCities.DataSource;
layCityLabel.Enabled = true;
layCityLabel.LabelColumn = "Name";
layCityLabel.Style = new LabelStyle();
layCityLabel.Style.ForeColor = Color.Black;
layCityLabel.Style.Font = new Font(FontFamily.GenericSerif, 11);
layCityLabel.MaxVisible = layLabel.MinVisible;
layCityLabel.Style.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
layCityLabel.Style.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
layCityLabel.Style.Offset = new PointF(3, 3);
layCityLabel.Style.Halo = new Pen(Color.Yellow, 2);
layCityLabel.TextRenderingHint = TextRenderingHint.AntiAlias;
layCityLabel.SmoothingMode = SmoothingMode.AntiAlias;
layCityLabel.SRID = 4326;
layCityLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;
layCityLabel.Style.CollisionDetection = true;
//Add the layers to the map object.
//The order we add them in are the order they are drawn, so we add the rivers last to put them on top
map.BackgroundLayer.Add(AsyncLayerProxyLayer.Create(layCountries));
map.Layers.Add(layRivers);
map.Layers.Add(layCities);
map.Layers.Add(layLabel);
map.Layers.Add(layCityLabel);
//limit the zoom to 360 degrees width
map.MaximumZoom = 360;
map.BackColor = Color.LightBlue;
map.Zoom = 360;
map.Center = new Point(0, 0);
Matrix mat = new Matrix();
mat.RotateAt(angle, map.WorldToImage(map.Center));
map.MapTransform = mat;
return(map);
}