/// <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 Scene2DSimple();
var projection = new WebMercator();
GeoCoordinateBox box = null;
foreach (var osmGeo in dataSource)
{
CompleteOsmGeo completeOsmGeo = null;
switch (osmGeo.Type)
{
case OsmGeoType.Node:
completeOsmGeo = CompleteNode.CreateFrom(osmGeo as Node);
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.
var stream = new MemoryStream();
scene.Serialize(stream, false);
// deserialize the stream.
IScene2DPrimitivesSource sceneSource = Scene2DSimple.Deserialize(stream, false);
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 Scene2DSimple();
sceneSource.Get(testScene, 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 View2DTestCreateFrom()
{
View2D view = View2D.CreateFrom(0, 0, 200, 200, 1, false, false);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
double[] topLeft = view.FromViewPort(1000, 1000, 0, 0);
Assert.AreEqual(topLeft[0], -100);
Assert.AreEqual(topLeft[1], -100);
double[] bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
Assert.AreEqual(bottomRight[0], 100);
Assert.AreEqual(bottomRight[1], 100);
double[] viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.RightTop[1]);
Assert.AreEqual(0, viewTopLeft[0]);
Assert.AreEqual(1000, viewTopLeft[1]);
double[] viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
Assert.AreEqual(1000, viewBottomRight[0]);
Assert.AreEqual(0, viewBottomRight[1]);
view = View2D.CreateFrom(0, 0, 200, 200, 1, true, false);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
topLeft = view.FromViewPort(1000, 1000, 0, 0);
Assert.AreEqual(topLeft[0], 100);
Assert.AreEqual(topLeft[1], -100);
bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
Assert.AreEqual(bottomRight[0], -100);
Assert.AreEqual(bottomRight[1], 100);
viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
Assert.AreEqual(0, viewTopLeft[0]);
Assert.AreEqual(1000, viewTopLeft[1]);
viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
Assert.AreEqual(1000, viewBottomRight[0]);
Assert.AreEqual(0, viewBottomRight[1]);
view = View2D.CreateFrom(0, 0, 200, 200, 1, false, true);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
topLeft = view.FromViewPort(1000, 1000, 0, 0);
Assert.AreEqual(topLeft[0], -100);
Assert.AreEqual(topLeft[1], 100);
bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
Assert.AreEqual(bottomRight[0], 100);
Assert.AreEqual(bottomRight[1], -100);
viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
Assert.AreEqual(0, viewTopLeft[0]);
Assert.AreEqual(1000, viewTopLeft[1]);
viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
Assert.AreEqual(1000, viewBottomRight[0]);
Assert.AreEqual(0, viewBottomRight[1]);
view = View2D.CreateFrom(0, 0, 200, 200, 1, true, true);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
topLeft = view.FromViewPort(1000, 1000, 0, 0);
Assert.AreEqual(topLeft[0], 100);
Assert.AreEqual(topLeft[1], 100);
bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
Assert.AreEqual(bottomRight[0], -100);
Assert.AreEqual(bottomRight[1], -100);
viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
Assert.AreEqual(0, viewTopLeft[0]);
Assert.AreEqual(1000, viewTopLeft[1]);
viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
Assert.AreEqual(1000, viewBottomRight[0]);
Assert.AreEqual(0, viewBottomRight[1]);
view = View2D.CreateFromBounds(100, -100, -100, 100);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
view = View2D.CreateFromBounds(-100, 100, 100, -100);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
}
public void View2DTestCreateFrom()
{
double x, y;
var view = View2D.CreateFrom(0, 0, 200, 200, 1, false, false);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
var fromMatrix = view.CreateFromViewPort(1000, 1000);
fromMatrix.Apply(0, 0, out x, out y);
// var topLeft = view.FromViewPort(1000, 1000, 0, 0);
Assert.AreEqual(x, -100);
Assert.AreEqual(y, -100);
fromMatrix.Apply(1000, 1000, out x, out y);
// var bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
Assert.AreEqual(x, 100);
Assert.AreEqual(y, 100);
var toMatrix = view.CreateToViewPort(1000, 1000);
//var viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.RightTop[1]);
toMatrix.Apply(view.LeftTop[0], view.RightTop[1], out x, out y);
Assert.AreEqual(0, x);
Assert.AreEqual(1000, y);
// var viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
toMatrix.Apply(view.RightBottom[0], view.RightBottom[1], out x, out y);
Assert.AreEqual(1000, x);
Assert.AreEqual(0, y);
view = View2D.CreateFrom(0, 0, 200, 200, 1, true, false);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
fromMatrix = view.CreateFromViewPort(1000, 1000);
// topLeft = view.FromViewPort(1000, 1000, 0, 0);
fromMatrix.Apply(0, 0, out x, out y);
Assert.AreEqual(x, 100);
Assert.AreEqual(y, -100);
// bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
fromMatrix.Apply(1000, 1000, out x, out y);
Assert.AreEqual(x, -100);
Assert.AreEqual(y, 100);
toMatrix = view.CreateToViewPort(1000, 1000);
// viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
toMatrix.Apply(view.LeftTop[0], view.LeftTop[1], out x, out y);
Assert.AreEqual(0, x);
Assert.AreEqual(1000, y);
// viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
toMatrix.Apply(view.RightBottom[0], view.RightBottom[1], out x, out y);
Assert.AreEqual(1000, x);
Assert.AreEqual(0, y);
view = View2D.CreateFrom(0, 0, 200, 200, 1, false, true);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
fromMatrix = view.CreateFromViewPort(1000, 1000);
// topLeft = view.FromViewPort(1000, 1000, 0, 0);
fromMatrix.Apply(0, 0, out x, out y);
Assert.AreEqual(x, -100);
Assert.AreEqual(y, 100);
// bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
fromMatrix.Apply(1000, 1000, out x, out y);
Assert.AreEqual(x, 100);
Assert.AreEqual(y, -100);
toMatrix = view.CreateToViewPort(1000, 1000);
// viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
toMatrix.Apply(view.LeftTop[0], view.LeftTop[1], out x, out y);
Assert.AreEqual(0, x);
Assert.AreEqual(1000, y);
// viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
toMatrix.Apply(view.RightBottom[0], view.RightBottom[1], out x, out y);
Assert.AreEqual(1000, x);
Assert.AreEqual(0, y);
view = View2D.CreateFrom(0, 0, 200, 200, 1, true, true);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
fromMatrix = view.CreateFromViewPort(1000, 1000);
// topLeft = view.FromViewPort(1000, 1000, 0, 0);
fromMatrix.Apply(0, 0, out x, out y);
Assert.AreEqual(x, 100);
Assert.AreEqual(y, 100);
// bottomRight = view.FromViewPort(1000, 1000, 1000, 1000);
fromMatrix.Apply(1000, 1000, out x, out y);
Assert.AreEqual(x, -100);
Assert.AreEqual(y, -100);
toMatrix = view.CreateToViewPort(1000, 1000);
// viewTopLeft = view.ToViewPort(1000, 1000, view.LeftTop[0], view.LeftTop[1]);
toMatrix.Apply(view.LeftTop[0], view.LeftTop[1], out x, out y);
Assert.AreEqual(0, x);
Assert.AreEqual(1000, y);
// viewBottomRight = view.ToViewPort(1000, 1000, view.RightBottom[0], view.RightBottom[1]);
toMatrix.Apply(view.RightBottom[0], view.RightBottom[1], out x, out y);
Assert.AreEqual(1000, x);
Assert.AreEqual(0, y);
view = View2D.CreateFromBounds(100, -100, -100, 100);
// test result.
Assert.AreEqual(view.LeftTop[0], -100);
Assert.AreEqual(view.RightTop[0], 100);
Assert.AreEqual(view.RightBottom[1], -100);
Assert.AreEqual(view.RightTop[1], 100);
Assert.IsTrue(view.Contains(0, 0));
view = View2D.CreateFromBounds(-100, 100, 100, -100);
// test result.
Assert.AreEqual(view.LeftTop[0], 100);
Assert.AreEqual(view.RightTop[0], -100);
Assert.AreEqual(view.RightBottom[1], 100);
Assert.AreEqual(view.RightTop[1], -100);
Assert.IsTrue(view.Contains(0, 0));
}
