SharpMap/Examples/WinFormSamples/Samples/ShapefileSample.cs at main · SharpMap/SharpMap · GitHub

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using System.Collections.Generic;

using System.Drawing;

using System.Drawing.Drawing2D;

using System.Drawing.Text;

using SharpMap;

using SharpMap.Data;

using SharpMap.Data.Providers;

using SharpMap.Layers;

using SharpMap.Rendering;

using SharpMap.Rendering.Symbolizer;

using SharpMap.Rendering.Thematics;

using SharpMap.Styles;

using Point = GeoAPI.Geometries.Coordinate;

namespace WinFormSamples.Samples

{

public static partial class ShapefileSample

{

private static int _mapId = 0;

public static Map InitializeMap(float angle)

{

switch (_mapId)

{

case 0:

_mapId++;

return InitializeMapOrig(angle);

case 1:

_mapId++;

return InitializeMapOsm(angle);

case 2:

_mapId++;

return InitializeMapOsm(angle);

//return InitializeMapSharpDX(angle);

case 3:

_mapId -= 3;

return InitializeMapWithSymbolizerLayers(angle);

default:

_mapId = 0;

return InitializeMapOrig(angle);

}

private static Map InitializeMapWithSymbolizerLayers(float angle)

{

//Initialize a new map of size 'imagesize'

Map map = new Map();

//Set up the countries layer

var layCountries = new SharpMap.Layers.Symbolizer.PolygonalVectorLayer(

"Countries",

new ShapeFile("GeoData/World/countries.shp", true),

new BasicPolygonSymbolizer {Fill = new SolidBrush(Color.Green), Outline = Pens.Black,}

) {SRID = 4326};

//Set up a river layer

var symbolizer = new CachedLineSymbolizer();

symbolizer.LineSymbolizeHandlers.AddRange( new [] {

new PlainLineSymbolizeHandler { Line = new Pen(Color.Blue, 3) { LineJoin = LineJoin.Round } },

new PlainLineSymbolizeHandler{ Line = new Pen(Color.Aqua, 1)}, });

var layRivers = new SharpMap.Layers.Symbolizer.LinealVectorLayer("Rivers")

{

//Set the datasource to a shapefile in the App_data folder

DataSource = new ShapeFile("GeoData/World/rivers.shp", true),

//Define a blue 2px wide pen

Symbolizer = symbolizer,

SRID = 4326

};

//Set up a cities layer

var layCities = new SharpMap.Layers.Symbolizer.PuntalVectorLayer("Cities")

{

//Set the datasource to a shapefile in the App_data folder

DataSource = new ShapeFile("GeoData/World/cities.shp", true),

Symbolizer = new RasterPointSymbolizer() { Scale = 0.8f },

MaxVisible = 40

} ;

//Set up a country label layer

var layLabel = new LabelLayer("Country labels")

{

DataSource = layCountries.DataSource,

Enabled = true,

LabelColumn = "Name",

LabelFilter = LabelCollisionDetection.QuickAccurateCollisionDetectionMethod,

Style =

new LabelStyle

{

ForeColor = Color.White,

Font = new Font(FontFamily.GenericSerif, 12),

BackColor = new SolidBrush(Color.FromArgb(128, 255, 0, 0)),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center

MaxVisible = 90,

MinVisible = 30,

SRID = 4326,

MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.Largest,

};

//Set up a city label layer

var layCityLabel = new LabelLayer("City labels")

{

DataSource = layCities.DataSource,

Enabled = true,

LabelColumn = "Name",

TextRenderingHint = TextRenderingHint.AntiAlias,

SmoothingMode = SmoothingMode.AntiAlias,

SRID = 4326,

LabelFilter = LabelCollisionDetection.QuickAccurateCollisionDetectionMethod,

Style =

new LabelStyle

{

ForeColor = Color.Black,

Font = new Font(FontFamily.GenericSerif, 11),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom,

Offset = new PointF(3, 3),

CollisionDetection = true,

Halo = new Pen(Color.Yellow, 2)

MaxVisible = layLabel.MinVisible,

};

//Setup River label

var layRiverLabel = new LabelLayer("River labels")

{

DataSource = layRivers.DataSource,

Enabled = true,

LabelColumn = "Name",

TextRenderingHint = TextRenderingHint.AntiAlias,

SmoothingMode = SmoothingMode.AntiAlias,

SRID = 4326,

LabelFilter = LabelCollisionDetection.QuickAccurateCollisionDetectionMethod,

MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.All,

Style =

new LabelStyle

{

ForeColor = Color.DarkBlue,

Font = new Font(FontFamily.GenericSansSerif, 11),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,

CollisionDetection = true,

Halo = new Pen(Color.Azure, 2),

IgnoreLength = 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.Layers.Add(layCountries);

map.Layers.Add(layRivers);

map.Layers.Add(layCities);

map.Layers.Add(layRiverLabel);

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;

}

private static Map InitializeMapOrig(float angle)

{

//Initialize a new map of size 'imagesize'

Map map = new Map();

map.SRID = 4326;

//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;

layLabel.LabelFilter = LabelCollisionDetection.ThoroughCollisionDetection;

layLabel.Style.CollisionDetection = true;

layLabel.LabelPositionDelegate = fdr => fdr.Geometry.InteriorPoint.Coordinate;

layLabel.PriorityColumn = "POPDENS";

//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;

layCityLabel.PriorityColumn = "POPULATION";

layCityLabel.Theme = new GradientTheme(layCityLabel.PriorityColumn, 250000, 5000000,

new LabelStyle

{

MaxVisible = 10,

CollisionBuffer = new Size(0, 0), CollisionDetection = true, Enabled = true,

ForeColor = Color.LightSlateGray, Halo = new Pen(Color.Silver, 1),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,

Font = new Font(GenericFontFamilies.SansSerif.ToString(), 8f, FontStyle.Regular)

} ,

new LabelStyle

{

MaxVisible = layLabel.MinVisible,

CollisionBuffer = new Size(3, 3), CollisionDetection = true, Enabled = true,

ForeColor = Color.LightSlateGray, Halo = new Pen(Color.Silver, 5),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,

Font = new Font(GenericFontFamilies.SansSerif.ToString(), 16f, FontStyle.Bold)

});

bool ignoreLength = false;

var layRiverLabel = new LabelLayer("River labels")

{

DataSource = layRivers.DataSource,

Enabled = true,

LabelColumn = "Name",

TextRenderingHint = TextRenderingHint.AntiAlias,

SmoothingMode = SmoothingMode.AntiAlias,

SRID = 4326,

LabelFilter = LabelCollisionDetection.QuickAccurateCollisionDetectionMethod,

MultipartGeometryBehaviour = LabelLayer.MultipartGeometryBehaviourEnum.CommonCenter,

Style =

new LabelStyle

{

ForeColor = Color.DarkBlue,

Font = new Font(FontFamily.GenericSansSerif, 11),

HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center,

VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Middle,

CollisionDetection = true,

Halo = new Pen(Color.Azure, 2),

IgnoreLength = ignoreLength,

Offset = new PointF(0, -10)

};

//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(layCountries);

map.Layers.Add(layRivers);

map.Layers.Add(layCities);

map.Layers.Add(layLabel);

map.Layers.Add(layCityLabel);

map.Layers.Add(layRiverLabel);

//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;

}

private static Map InitializeMapSharpDX(float angle)

{

//Initialize a new map of size 'imagesize'

Map map = new Map();

//Set up the countries layer

VectorLayer layCountries = new SharpDXVectorLayer("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.LimeGreen));

//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 SharpDXVectorLayer("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 SharpDXVectorLayer("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(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;

}

internal static Map InitializeMap(float angle, string[] filenames)

{

if (filenames == null)

return null;

var providers = new SharpMap.Data.Providers.ShapeFile[filenames.Length];

for (int i = 0; i < filenames.Length; i++)

{

providers[i] = new ShapeFile(filenames[i], true, false);

providers[i].Open();

}

var map = LayerTools.GetMapForProviders(providers);

Matrix mat = new Matrix();

mat.RotateAt(angle, map.WorldToImage(map.Center));

map.MapTransform = mat;

return map;

}

SharpMap/Examples/WinFormSamples/Samples/ShapefileSample.cs at main · SharpMap/SharpMap · GitHub

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