public void TestSimpleWebMercatorZoomLevel()
{
var mercator = new WebMercator();
for (int orignalLevel = 0; orignalLevel < 20; orignalLevel++)
{
double zoomFactor = mercator.ToZoomFactor(orignalLevel);
double zoomLevel = mercator.ToZoomLevel(zoomFactor);
Assert.AreEqual(orignalLevel, zoomLevel, 0.001);
}
}
/// <summary>
/// Creates the stream processor associated with this command.
/// </summary>
/// <returns></returns>
public override ProcessorBase CreateProcessor()
{
// mapCSS stream.
Stream mapCSSStream = (new FileInfo(this.MapCSS)).OpenRead();
MapCSSFile mapCSSFile = MapCSSFile.FromStream(mapCSSStream);
// scene stream.
Stream sceneStream = (new FileInfo(this.SceneFile)).Open(FileMode.OpenOrCreate);
// create web mercator.
IProjection projection = new WebMercator();
// create scene.
Scene2D scene = new Scene2D(projection, this.ZoomLevelCutoffs.ToList());
return new ProcessorCompleteTarget(new StyleOsmStreamSceneStreamTarget(
new MapCSSInterpreter(mapCSSFile, new MapCSSDictionaryImageSource()),
scene,
projection,
sceneStream));
}
public void TestEmptyCSS()
{
// create 'test' objects.
Node node1 = new Node();
node1.Id = 1;
node1.Latitude = 1;
node1.Longitude = 1;
Node node2 = new Node();
node2.Id = 2;
node2.Latitude = 2;
node2.Longitude = 2;
Way way = new Way();
way.Id = 1;
way.Nodes = new List<long>();
way.Nodes.Add(1);
way.Nodes.Add(2);
// create the datasource.
MemoryDataSource dataSource = new MemoryDataSource();
dataSource.AddNode(node1);
dataSource.AddNode(node2);
dataSource.AddWay(way);
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(string.Empty,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, dataSource, node1);
interpreter.Translate(scene, mercator, dataSource, node2);
interpreter.Translate(scene, mercator, dataSource, way);
// test the scene contents.
Assert.AreEqual(0, scene.Count);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Black).Value, scene.BackColor);
}
public void TestSimpleWebMercator()
{
// TODO: stabalize the webmercator projection numerically for lower zoom levels (0-9).
var mercator = new WebMercator();
for (int zoomLevel = 10; zoomLevel <= 25; zoomLevel++)
{
var tile = Tile.CreateAroundLocation(new GeoCoordinate(0, 0), zoomLevel);
var topleft = mercator.ToPixel(tile.Box.TopLeft);
var bottomright = mercator.ToPixel(tile.Box.BottomRight);
var scaleFactor = mercator.ToZoomFactor(zoomLevel);
Assert.AreEqual(-256, (topleft[0] - bottomright[0]) * scaleFactor, 0.01);
Assert.AreEqual(-256, (topleft[1] - bottomright[1]) * scaleFactor, 0.01);
}
var coordinate = new GeoCoordinate(51.26337, 4.78739);
var projected = mercator.ToPixel(coordinate);
var reProjected = mercator.ToGeoCoordinates(projected[0], projected[1]);
Assert.AreEqual(coordinate.Longitude, reProjected.Longitude, 0.0001);
Assert.AreEqual(coordinate.Latitude, reProjected.Latitude, 0.0001);
}
public void TestMapCSSSimpleEval()
{
MemoryDataSource source = new MemoryDataSource(
Node.Create(1, 0, 0),
Node.Create(2, 1, 0),
Node.Create(3, 0, 1),
Way.Create(1, new TagsCollection(
Tag.Create("width", "10")), 1, 2, 3, 1));
// test closed way.
string css = "way { " +
" width: eval(\"tag('width')\"); " +
" color: green; " +
"} ";
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the projection and scene objects.
scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, source, source.GetWay(1));
// test the scene contents.
Assert.AreEqual(1, scene.Count);
Primitive2D primitive = scene.Get(0);
Assert.IsInstanceOf<Line2D>(primitive);
Line2D line = (primitive as Line2D);
Assert.AreEqual(10, line.Width);
}
public void TestMapCSSArea()
{
MemoryDataSource source = new MemoryDataSource(
Node.Create(1, 0, 0),
Node.Create(2, 1, 0),
Node.Create(3, 0, 1),
Way.Create(1, new TagsCollection(
Tag.Create("area", "yes")), 1, 2, 3, 1));
// test closed way.
string css = "area { " +
" fill-color: black; " +
"} ";
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the projection and scene objects.
scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, source, source.GetWay(1));
// test the scene contents.
Assert.AreEqual(1, scene.Count);
Primitive2D primitive = scene.Get(0);
Assert.IsInstanceOf<Polygon2D>(primitive);
}
public void TestCanvasJOSMSettingsCSS()
{
// create CSS.
string css = "canvas { " +
"background-color: white; " +
"default-points: true; " + // adds default points for every node (color: black, size: 2).
"default-lines: true; " + // adds default lines for every way (color: red, width: 1).
"} ";
// create 'test' objects.
Node node1 = new Node();
node1.Id = 1;
node1.Latitude = 1;
node1.Longitude = 1;
Node node2 = new Node();
node2.Id = 2;
node2.Latitude = 2;
node2.Longitude = 2;
Way way = new Way();
way.Id = 1;
way.Nodes = new List<long>();
way.Nodes.Add(1);
way.Nodes.Add(2);
// create the datasource.
MemoryDataSource dataSource = new MemoryDataSource();
dataSource.AddNode(node1);
dataSource.AddNode(node2);
dataSource.AddWay(way);
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, dataSource, node1);
interpreter.Translate(scene, mercator, dataSource, node2);
interpreter.Translate(scene, mercator, dataSource, way);
// test the scene contents.
Assert.AreEqual(3, scene.Count);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.White).Value, scene.BackColor);
// test the scene point 1.
Primitive2D primitive = scene.Get(0);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf<Primitive2D>(primitive);
Point2D pointObject = primitive as Point2D;
Assert.AreEqual(2, pointObject.Size);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Black).Value, pointObject.Color);
Assert.AreEqual(mercator.LongitudeToX(1), pointObject.X);
Assert.AreEqual(mercator.LatitudeToY(1), pointObject.Y);
// test the scene point 2.
primitive = scene.Get(1);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf<Point2D>(primitive);
pointObject = primitive as Point2D;
Assert.AreEqual(2, pointObject.Size);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Black).Value, pointObject.Color);
Assert.AreEqual(mercator.LongitudeToX(2), pointObject.X);
Assert.AreEqual(mercator.LatitudeToY(2), pointObject.Y);
// test the scene line 2.
primitive = scene.Get(2);
Assert.IsNotNull(primitive);
Assert.IsInstanceOf<Line2D>(primitive);
Line2D line = primitive as Line2D;
Assert.AreEqual(1, line.Width);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Red).Value, line.Color);
Assert.IsNotNull(line.X);
Assert.IsNotNull(line.Y);
Assert.AreEqual(2, line.X.Length);
Assert.AreEqual(2, line.Y.Length);
Assert.AreEqual(mercator.LongitudeToX(1), line.X[0]);
Assert.AreEqual(mercator.LatitudeToY(1), line.Y[0]);
Assert.AreEqual(mercator.LongitudeToX(2), line.X[1]);
Assert.AreEqual(mercator.LatitudeToY(2), line.Y[1]);
}
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
this.sampleControl1.Center = new double[] { 534463.21f, 6633094.69f };
//this.sampleControl1.Center = new float[] { 0f, 0f };
this.sampleControl1.ZoomFactor = 1;
// initialize a test-scene.
var scene2D = new Scene2DSimple();
scene2D.BackColor = Color.White.ToArgb();
scene2D.AddPoint(float.MinValue, float.MaxValue, 0, 0, Color.Blue.ToArgb(), 1);
bool fill = false;
int color = Color.White.ToArgb();
int width = 1;
scene2D.AddPolygon(float.MinValue, float.MaxValue,
new double[] { 50, -80, 70 }, new double[] { 20, -10, -70 }, color, width, fill);
// load test osm file.
Stream stream = Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.WinForms.UI.Sample.test.osm");
var xmlDataProcessorSource = new XmlOsmStreamSource(stream);
ICollection<OsmGeo> osmList = new List<OsmGeo>(xmlDataProcessorSource);
// build a scene using spherical mercator.
IProjection sphericalMercator = new WebMercator();
var nodes = new Dictionary<long, GeoCoordinate>();
foreach (OsmGeo simpleOsmGeo in osmList)
{
if (simpleOsmGeo is Node)
{
var simplenode = (simpleOsmGeo as Node);
double[] point = sphericalMercator.ToPixel(
simplenode.Latitude.Value, simplenode.Longitude.Value);
nodes.Add(simplenode.Id.Value,
new GeoCoordinate(simplenode.Latitude.Value, simplenode.Longitude.Value));
scene2D.AddPoint(float.MinValue, float.MaxValue, (float)point[0], (float)point[1],
Color.Yellow.ToArgb(),
2);
}
else if (simpleOsmGeo is Way)
{
var way = (simpleOsmGeo as Way);
var x = new List<double>();
var y = new List<double>();
if (way.Nodes != null)
{
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
GeoCoordinate nodeCoords;
if (nodes.TryGetValue(way.Nodes[idx], out nodeCoords))
{
x.Add((float) sphericalMercator.LongitudeToX(nodeCoords.Longitude));
y.Add((float) sphericalMercator.LatitudeToY(nodeCoords.Latitude));
}
}
}
if (x.Count > 0)
{
scene2D.AddLine(float.MinValue, float.MaxValue, x.ToArray(), y.ToArray(),
Color.Blue.ToArgb(), 2);
}
}
}
this.sampleControl1.Scene = scene2D;
this.sampleControl1.Invalidate();
}
/// <summary>
/// Tests rendering the given serialized scene.
/// </summary>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestRenderScene(Stream stream, GeoCoordinateBox box, int testCount)
{
WebMercator projection = new WebMercator();
// build a map.
Map map = new Map();
IScene2DPrimitivesSource sceneSource = Scene2DLayered.Deserialize(stream, true);
LayerScene layerScene = map.AddLayerScene(sceneSource);
// build the target to render to.
Bitmap imageTarget = new Bitmap(TargetWidth, TargetHeight);
Graphics target = Graphics.FromImage(imageTarget);
target.SmoothingMode = SmoothingMode.HighQuality;
target.PixelOffsetMode = PixelOffsetMode.HighQuality;
target.CompositingQuality = CompositingQuality.HighQuality;
target.InterpolationMode = InterpolationMode.HighQualityBicubic;
MapRenderer<Graphics> mapRenderer = new MapRenderer<Graphics>(
new GraphicsRenderer2D());
// render the map.
PerformanceInfoConsumer performanceInfo = new PerformanceInfoConsumer("Scene2DLayeredRendering");
performanceInfo.Start();
performanceInfo.Report("Rendering {0} random images...", testCount);
while (testCount > 0)
{
// randomize view.
int zoom = OsmSharp.Math.Random.StaticRandomGenerator.Get().Generate(10) + 10;
GeoCoordinate center = box.GenerateRandomIn();
View2D view = mapRenderer.Create(TargetWidth, TargetHeight, map,
(float)projection.ToZoomFactor(zoom), center, false, true);
layerScene.ViewChanged(map, (float)projection.ToZoomFactor(zoom), center, view);
mapRenderer.Render(target, map, view);
if (WriteResults)
{
imageTarget.Save(Guid.NewGuid().ToString() + ".png", ImageFormat.Png);
}
testCount--;
}
performanceInfo.Stop();
}
/// <summary>
/// Renders the given data onto a 100x100 image using bounds around null-island (1,1,-1,-1) and the MapCSS definition.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="mapCSS"></param>
/// <returns></returns>
private Bitmap Render(IDataSourceReadOnly dataSource, string mapCSS)
{
// create projection.
WebMercator projection = new WebMercator();
double[] topLeft = projection.ToPixel(new Math.Geo.GeoCoordinate(1, 1));
double[] bottomRight = projection.ToPixel(new Math.Geo.GeoCoordinate(-1, -1));
// create view (this comes down to (1,1,-1,-1) for a size of 100x100).
View2D view = View2D.CreateFromBounds(bottomRight[1], topLeft[0], topLeft[1], bottomRight[0]);
//View2D view = View2D.CreateFrom(0, 0, 100, 100, 1.0 / 200.0, false, true);
// create graphics
Bitmap rendering = new Bitmap(100, 100);
Graphics renderingGraphics = Graphics.FromImage(rendering);
renderingGraphics.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality;
renderingGraphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
renderingGraphics.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
renderingGraphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
// create renderer.
GraphicsRenderer2D graphicsRenderer = new GraphicsRenderer2D();
MapRenderer<Graphics> renderer = new MapRenderer<Graphics>(graphicsRenderer);
// create map.
OsmSharp.UI.Map.Map map = new OsmSharp.UI.Map.Map();
map.AddLayer(new LayerOsm(dataSource, new MapCSSInterpreter(mapCSS), projection));
// notify the map that there was a view change!
map.ViewChanged((float)view.CalculateZoom(100, 100), new Math.Geo.GeoCoordinate(0, 0), view);
// ... and finally do the actual rendering.
renderer.Render(Graphics.FromImage(rendering), map, view);
//rendering.Save(@"c:\temp\rendering.bmp");
return rendering;
}
public void Scene2DSimpleSerializeDeserializeTest()
{
// create the MapCSS image source.
var imageSource = new MapCSSDictionaryImageSource();
// load mapcss style interpreter.
var mapCSSInterpreter = new MapCSSInterpreter(
Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.UI.Test.Unittests.Data.MapCSS.test.mapcss"),
imageSource);
// initialize the data source.
var xmlSource = new XmlOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream(
"OsmSharp.UI.Test.Unittests.Data.test.osm"));
IEnumerable<OsmGeo> dataSource = xmlSource;
MemoryDataSource source = MemoryDataSource.CreateFrom(xmlSource);
// get data.
var scene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
var projection = new WebMercator();
GeoCoordinateBox box = null;
foreach (var osmGeo in dataSource)
{
ICompleteOsmGeo completeOsmGeo = null;
switch (osmGeo.Type)
{
case OsmGeoType.Node:
completeOsmGeo = osmGeo as Node;
if(completeOsmGeo.Tags == null)
{ // make sure every node has a tags collection.
completeOsmGeo.Tags = new TagsCollection();
}
break;
case OsmGeoType.Way:
completeOsmGeo = CompleteWay.CreateFrom(osmGeo as Way,
source);
break;
case OsmGeoType.Relation:
completeOsmGeo = CompleteRelation.CreateFrom(osmGeo as Relation,
source);
break;
}
// update box.
if (completeOsmGeo != null)
{
if (box == null) { box = completeOsmGeo.BoundingBox; }
else if (completeOsmGeo.BoundingBox != null) { box = box + completeOsmGeo.BoundingBox; }
}
// translate each object into scene object.
mapCSSInterpreter.Translate(scene, projection, source, osmGeo as OsmGeo);
}
// create the stream.
TagsCollectionBase metaTags = new TagsCollection();
metaTags.Add("SomeTestKey", "SomeTestValue");
var stream = new MemoryStream();
scene.Serialize(stream, true, metaTags);
// deserialize the stream.
metaTags = null;
stream.Seek(0, SeekOrigin.Begin);
IPrimitives2DSource sceneSource = Scene2D.Deserialize(stream, true, out metaTags);
// test meta tags.
Assert.IsTrue(metaTags.ContainsKeyValue("SomeTestKey", "SomeTestValue"));
if (box != null)
{
// query both and get the same results.
int counter = 100;
var rand = new Random();
while (counter > 0)
{
var queryBox = new GeoCoordinateBox(
box.GenerateRandomIn(rand),
box.GenerateRandomIn(rand));
var zoomFactor = (float)projection.ToZoomFactor(15);
View2D testView = View2D.CreateFromBounds(
projection.LatitudeToY(queryBox.MaxLat),
projection.LongitudeToX(queryBox.MinLon),
projection.LatitudeToY(queryBox.MinLat),
projection.LongitudeToX(queryBox.MaxLon));
var testScene = new Scene2D(new OsmSharp.Math.Geo.Projections.WebMercator(), 16);
IEnumerable<Primitive2D> primitives = sceneSource.Get(testView, zoomFactor);
// var resultIndex = new HashSet<Scene2DPrimitive>(testScene.Get(testView, zoomFactor));
// var resultReference = new HashSet<Scene2DPrimitive>(scene.Get(testView, zoomFactor));
//Assert.AreEqual(resultReference.Count, resultIndex.Count);
//foreach (var data in resultIndex)
//{
// Assert.IsTrue(resultReference.Contains(data));
//}
//foreach (var data in resultReference)
//{
// Assert.IsTrue(resultIndex.Contains(data));
//}
counter--;
}
}
}
public void TestMapCSSClosedWay()
{
// tests map css interpretation of a closed way marked as an area.
MemoryDataSource source = new MemoryDataSource(
Node.Create(1, 0, 0),
Node.Create(2, 1, 0),
Node.Create(3, 0, 1),
Way.Create(1, new SimpleTagsCollection(
Tag.Create("area", "yes")), 1, 2, 3, 1));
// test closed way.
string css = "way[area] { " +
" fill-color: black; " +
"} ";
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2DSimple();
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, source, source.GetWay(1));
// test the scene contents.
Assert.AreEqual(1, scene.Count);
List<IScene2DPrimitive> primitives = scene.Get(0);
Assert.IsNotNull(primitives);
Assert.AreEqual(1, primitives.Count);
IScene2DPrimitive primitive = primitives[0];
Assert.IsInstanceOf<Polygon2D>(primitive);
}
public void TestCanvasSettingsCSS()
{
// create CSS.
string css = "canvas { " +
"fill-color: green; " +
"} ";
// create 'test' objects.
Node node1 = new Node();
node1.Id = 1;
node1.Latitude = 1;
node1.Longitude = 1;
Node node2 = new Node();
node2.Id = 2;
node2.Latitude = 2;
node2.Longitude = 2;
Way way = new Way();
way.Id = 1;
way.Nodes = new List<long>();
way.Nodes.Add(1);
way.Nodes.Add(2);
// create the datasource.
MemoryDataSource dataSource = new MemoryDataSource();
dataSource.AddNode(node1);
dataSource.AddNode(node2);
dataSource.AddWay(way);
// create the projection and scene objects.
var mercator = new WebMercator();
Scene2D scene = new Scene2DSimple();
// create the interpreter.
MapCSSInterpreter interpreter = new MapCSSInterpreter(css,
new MapCSSDictionaryImageSource());
interpreter.Translate(scene, mercator, dataSource, node1);
interpreter.Translate(scene, mercator, dataSource, node2);
interpreter.Translate(scene, mercator, dataSource, way);
// test the scene contents.
Assert.AreEqual(0, scene.Count);
Assert.AreEqual(SimpleColor.FromKnownColor(KnownColor.Green).Value, scene.BackColor);
}
