public override void Succes()
{
var poisPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
var previousArc = (this.FinalMessages[this.FinalMessages.Count - 2] as MicroPlannerMessageArc).Arc;
// get the pois list.
var pois = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point.Points;
// get the angle from the pois point.
var direction = poisPoint.Angle;
// calculate the box.
var coordinates = new List<GeoCoordinate>();
foreach (Routing.ArcAggregation.Output.PointPoi poi in pois)
{
coordinates.Add(poi.Location);
}
coordinates.Add(poisPoint.Location);
var box = new GeoCoordinateBox(coordinates.ToArray());
// let the scentence planner generate the correct information.
var metaData = new Dictionary<string, object>();
metaData["direction"] = direction;
metaData["pois"] = pois;
metaData["type"] = "poi";
this.Planner.SentencePlanner.GenerateInstruction(metaData, poisPoint.EntryIdx, box, pois);
}
/// <summary>
/// Generates an instruction from the given meta data and given pois.
/// </summary>
/// <param name="metaData"></param>
/// <param name="firstSegmentIdx"></param>
/// <param name="lastSegmentIdx"></param>
/// <param name="box"></param>
/// <param name="pois"></param>
public void GenerateInstruction(Dictionary<string, object> metaData, int firstSegmentIdx, int lastSegmentIdx, GeoCoordinateBox box, List<PointPoi> pois)
{
string text;
if (_generator.Generate(metaData, out text))
{ // add the instruction to the instructions list.
_instructions.Add(new Instruction(metaData, firstSegmentIdx, lastSegmentIdx, box, text, pois));
}
}
/// <summary>
/// Tests the live routing.
/// </summary>
public static void Test()
{
var box = new GeoCoordinateBox(
new GeoCoordinate(51.20190, 4.66540),
new GeoCoordinate(51.30720, 4.89820));
LiveRoutingTest.TestSerializedRouting("LiveRouting",
"kempen-big.osm.pbf", box, 2500);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
public static void Test(Stream stream, int testCount)
{
GeoCoordinateBox box = new GeoCoordinateBox(
new GeoCoordinate(51.20190, 4.66540),
new GeoCoordinate(51.30720, 4.89820));
CHSerializedRoutingTest.TestSerializedRouting("CHSerializedRouting",
stream, box, testCount);
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
public static void TestResolved(string name, string osmPbfFile, GeoCoordinateBox box, int testCount)
{
var testFile = new FileInfo(string.Format(@".\TestFiles\{0}", osmPbfFile));
var stream = testFile.OpenRead();
RoutingResolveTest.TestResolved(name, stream, box, testCount);
stream.Dispose();
}
/// <summary>
/// Creates a new polygon filter.
/// </summary>
public OsmStreamFilterPoly(OsmSharp.Geo.Geometries.LineairRing poly)
: base()
{
if (poly == null) { throw new ArgumentNullException("poly"); }
_poly = poly;
_box = new GeoCoordinateBox(poly.Coordinates);
this.Meta.Add("poly", OsmSharp.Geo.Streams.GeoJson.GeoJsonConverter.ToGeoJson(_poly));
}
/// <summary>
/// Creates a new instruction with a location and points of interest.
/// </summary>
/// <param name="metaData"></param>
/// <param name="segmentIdx"></param>
/// <param name="location"></param>
/// <param name="text"></param>
/// <param name="pois"></param>
public Instruction(Dictionary<string, object> metaData, int segmentIdx, GeoCoordinateBox location, string text, List<PointPoi> pois)
{
this.SegmentIdx = segmentIdx;
this.Location = location;
this.Pois = pois;
this.MetaData = metaData;
this.Text = text;
this.Pois = new List<PointPoi>();
}
/// <summary>
/// Tests the CH pre-processor.
/// </summary>
public static void Test()
{
GeoCoordinateBox box = new GeoCoordinateBox(
new GeoCoordinate(51.20190, 4.66540),
new GeoCoordinate(51.30720, 4.89820));
CHSerializedRoutingTest.TestSerializedRouting("CHSerializedRouting",
"kempen-big.osm.pbf.routing", box, 1000);
// test instructions.
CHSerializedRoutingTest.TestInstructions("CHSerializedRouting");
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="testCount"></param>
public static void TestResolved(string name, Stream stream, GeoCoordinateBox box, int testCount)
{
var vehicle = Vehicle.Car;
var tagsIndex = new TagsIndex(); // creates a tagged index.
// read from the OSM-stream.
var source = new OsmSharp.Osm.Streams.Filters.OsmStreamFilterProgress();
source.RegisterSource(new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream));
var data = GraphOsmStreamTarget.Preprocess(source,
new OsmRoutingInterpreter());
//(data.Graph as DirectedGraph<CHEdgeData>).Compress(true);
RoutingResolveTest.TestResolved(data, testCount, box);
}
public override void Succes()
{
OsmSharp.Routing.ArcAggregation.Output.AggregatedPoint poisPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
List<Routing.ArcAggregation.Output.PointPoi> pois =
(this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point.Points;
// construct the box indicating the location of the resulting find by this machine.
GeoCoordinate point1 = pois[0].Location;
GeoCoordinateBox box = new GeoCoordinateBox(
new GeoCoordinate(point1.Latitude - 0.001f, point1.Longitude - 0.001f),
new GeoCoordinate(point1.Latitude + 0.001f, point1.Longitude + 0.001f));
// let the scentence planner generate the correct information.
this.Planner.SentencePlanner.GeneratePoi(poisPoint.EntryIdx, box, pois, null);
}
/// <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>
/// Adds a point.
/// </summary>
public void AddPoint(GeoCoordinate coordinate, float sizePixels, int color)
{
if (coordinate == null) { throw new ArgumentNullException(); }
// update envelope.
if (_envelope == null)
{ // create initial envelope.
_envelope = new GeoCoordinateBox(coordinate, coordinate);
}
// also include the current point.
_envelope.ExpandWith(coordinate);
double[] projectedCoordinates = _projection.ToPixel(coordinate);
uint pointId = _scene.AddPoint(projectedCoordinates[0], projectedCoordinates[1]);
_scene.AddStylePoint(pointId, 0, float.MinValue, float.MaxValue, color, sizePixels);
this.RaiseLayerChanged();
}
/// <summary>
/// Tests routing from a serialized routing file.
/// </summary>
/// <param name="name"></param>
/// <param name="stream"></param>
/// <param name="box"></param>
/// <param name="testCount"></param>
public static void TestSerializedRouting(string name, Stream stream,
GeoCoordinateBox box, int testCount)
{
var router = Router.CreateLiveFrom(new OsmSharp.Osm.PBF.Streams.PBFOsmStreamSource(stream),
new OsmRoutingInterpreter());
var performanceInfo = new PerformanceInfoConsumer("LiveRouting");
performanceInfo.Start();
performanceInfo.Report("Routing {0} routes...", testCount);
int successCount = 0;
int totalCount = testCount;
float latestProgress = -1;
while (testCount > 0)
{
var from = box.GenerateRandomIn();
var to = box.GenerateRandomIn();
var fromPoint = router.Resolve(Vehicle.Car, from);
var toPoint = router.Resolve(Vehicle.Car, to);
if (fromPoint != null && toPoint != null)
{
var route = router.Calculate(Vehicle.Car, fromPoint, toPoint);
if (route != null)
{
successCount++;
}
}
testCount--;
// report progress.
float progress = (float)System.Math.Round(((double)(totalCount - testCount) / (double)totalCount) * 100);
if (progress != latestProgress)
{
OsmSharp.Logging.Log.TraceEvent("LiveEdgePreprocessor", TraceEventType.Information,
"Routing... {0}%", progress);
latestProgress = progress;
}
}
performanceInfo.Stop();
OsmSharp.Logging.Log.TraceEvent("LiveRouting", OsmSharp.Logging.TraceEventType.Information,
string.Format("{0}/{1} routes successfull!", successCount, totalCount));
}
public override void Succes()
{
var poisPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
var pois = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point.Points;
// construct the box indicating the location of the resulting find by this machine.
var point1 = pois[0].Location;
var box = new GeoCoordinateBox(
new GeoCoordinate(point1.Latitude - 0.001f, point1.Longitude - 0.001f),
new GeoCoordinate(point1.Latitude + 0.001f, point1.Longitude + 0.001f));
// let the scentence planner generate the correct information.
var metaData = new Dictionary<string, object>();
metaData["direction"] = null;
metaData["pois"] = pois;
metaData["type"] = "poi";
this.Planner.SentencePlanner.GenerateInstruction(metaData, poisPoint.EntryIdx, box, pois);
}
public override void Succes()
{
OsmSharp.Routing.ArcAggregation.Output.AggregatedPoint poisPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
OsmSharp.Routing.ArcAggregation.Output.AggregatedArc previousArc = (this.FinalMessages[this.FinalMessages.Count - 2] as MicroPlannerMessageArc).Arc;
// get the pois list.
List<Routing.ArcAggregation.Output.PointPoi> pois = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point.Points;
// get the angle from the pois point.
RelativeDirection direction = poisPoint.Angle;
// calculate the box.
List<GeoCoordinate> coordinates = new List<GeoCoordinate>();
foreach (Routing.ArcAggregation.Output.PointPoi poi in pois)
{
coordinates.Add(poi.Location);
}
coordinates.Add(poisPoint.Location);
GeoCoordinateBox box = new GeoCoordinateBox(coordinates.ToArray());
// let the scentence planner generate the correct information.
this.Planner.SentencePlanner.GeneratePoi(poisPoint.EntryIdx, box, pois, direction);
}
/// <summary>
/// Builds the scene.
/// </summary>
/// <param name="map"></param>
/// <param name="zoomFactor"></param>
/// <param name="center"></param>
/// <param name="view"></param>
private void BuildScene(Map map, float zoomFactor, GeoCoordinate center, View2D view)
{
// build the boundingbox.
var viewBox = view.OuterBox;
var box = new GeoCoordinateBox (map.Projection.ToGeoCoordinates (viewBox.Min [0], viewBox.Min [1]),
map.Projection.ToGeoCoordinates (viewBox.Max [0], viewBox.Max [1]));
var zoomLevel = (int)map.Projection.ToZoomLevel (zoomFactor);
if (_lastBox != null && _lastBox.Contains (box) &&
zoomLevel == _lastZoom) {
return;
}
_lastBox = box;
_lastZoom = zoomLevel;
// reset the scene.
_scene2DSimple = new Scene2DSimple();
// get from the index.
this.Scene.BackColor = SimpleColor.FromKnownColor(KnownColor.White).Value;
lock (_sync) {
_index.Get (_scene2DSimple, view, zoomFactor);
}
}
/// <summary>
/// Adds a polyline.
/// </summary>
/// <param name="points"></param>
/// <param name="color"></param>
/// <param name="width"></param>
/// <param name="fill"></param>
/// <returns></returns>
public void AddPolygon(GeoCoordinate[] points, int color, float width, bool fill)
{
var x = new double[points.Length];
var y = new double[points.Length];
for (int idx = 0; idx < points.Length; idx++)
{
// update envelope.
if (_envelope == null)
{ // create initial envelope.
_envelope = new GeoCoordinateBox(points[idx], points[idx]);
}
// also include the current point.
_envelope.ExpandWith(points[idx]);
var projected = _projection.ToPixel(points[idx]);
x[idx] = projected[0];
y[idx] = projected[1];
}
var pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStylePolygon(pointsId.Value, 0, float.MinValue, float.MaxValue, color, width, fill);
this.RaiseLayerChanged();
}
}
void AddMarkers()
{
var from = new GeoCoordinate(51.261203, 4.780760);
var to = new GeoCoordinate(51.267797, 4.801362);
var box = new GeoCoordinateBox(from, to);
_mapView.ClearMarkers();
MapMarker marker;
for (int idx = 0; idx < 20; idx++)
{
var pos = box.GenerateRandomIn();
marker = _mapView.AddMarker(pos);
var popupTextView = new UITextView();
popupTextView.Text = "Hey, this is popup text!";
popupTextView.BackgroundColor = UIColor.FromWhiteAlpha(0.5f, 0.5f);
marker.AddPopup(popupTextView, 100, 100);
}
}
public override void Succes()
{
// get the last arc and the last point.
AggregatedArc latestArc = (this.FinalMessages[this.FinalMessages.Count - 2] as MicroPlannerMessageArc).Arc;
AggregatedPoint latestPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
AggregatedArc secondLatestArc = (this.FinalMessages[this.FinalMessages.Count - 4] as MicroPlannerMessageArc).Arc;
AggregatedPoint secondLatestPoint = (this.FinalMessages[this.FinalMessages.Count - 3] as MicroPlannerMessagePoint).Point;
// count the number of streets in the same turning direction as the turn
// that was found.
int count = 0;
if (MicroPlannerHelper.IsLeft(latestPoint.Angle.Direction, this.Planner.Interpreter))
{
count = MicroPlannerHelper.GetLeft(this.FinalMessages, this.Planner.Interpreter);
}
else if (MicroPlannerHelper.IsRight(latestPoint.Angle.Direction, this.Planner.Interpreter))
{
count = MicroPlannerHelper.GetRight(this.FinalMessages, this.Planner.Interpreter);
}
// construct the box indicating the location of the resulting find by this machine.
GeoCoordinate point1 = latestPoint.Location;
GeoCoordinateBox box = new GeoCoordinateBox(
new GeoCoordinate(point1.Latitude - 0.001f, point1.Longitude - 0.001f),
new GeoCoordinate(point1.Latitude + 0.001f, point1.Longitude + 0.001f));
// get all the names/direction/counts.
TagsCollection nextName = latestPoint.Next.Tags;
TagsCollection betweenName = latestArc.Tags;
TagsCollection beforeName = secondLatestArc.Tags;
int firstCount = count;
RelativeDirection firstTurn = secondLatestPoint.Angle;
RelativeDirection secondTurn = latestPoint.Angle;
// let the scentence planner generate the correct information.
this.Planner.SentencePlanner.GenerateImmidiateTurn(latestPoint.EntryIdx, box, beforeName,
firstTurn, firstCount, secondTurn, betweenName, nextName, latestPoint.Points);
}
static void Main(string[] args)
{
OsmSharp.Logging.Log.Enable();
OsmSharp.Logging.Log.RegisterListener(new OsmSharp.WinForms.UI.Logging.ConsoleTraceListener());
var outputDir = @"c:\temp\tiles";
var mbtilesFile = outputDir + "\\tiles.mbtiles";
SQLiteConnection.CreateFile(mbtilesFile);
var mbtiles = new SQLiteConnection(string.Format("Data Source={0};Version=3;", mbtilesFile));
mbtiles.Open();
var query = new SQLiteCommand(mbtiles);
query.CommandText = "CREATE TABLE metadata (name text, value text);";
query.ExecuteNonQuery();
new SQLiteCommand(mbtiles);
query.CommandText = "CREATE TABLE tiles (zoom_level integer, tile_column integer, tile_row integer, tile_data blob);";
query.ExecuteNonQuery();
query = new SQLiteCommand(mbtiles);
query.CommandText = "INSERT INTO metadata (name, value) VALUES ('name', 'tiles');" +
"INSERT INTO metadata (name, value) VALUES ('type', 'baselayer');" +
"INSERT INTO metadata (name, value) VALUES ('version', '1');" +
"INSERT INTO metadata (name, value) VALUES ('minzoom', '5');" +
"INSERT INTO metadata (name, value) VALUES ('maxzoom', '6');" +
"INSERT INTO metadata (name, value) VALUES ('version', '1');" +
"INSERT INTO metadata (name, value) VALUES ('description', 'A description of this layer');" +
"INSERT INTO metadata (name, value) VALUES ('bounds', '-5.2294921875,42.195968776291780,8.50341796875,51.248163159055906');" +
"INSERT INTO metadata (name, value) VALUES ('format', 'png');";
query.ExecuteNonQuery();
query = new SQLiteCommand(mbtiles);
query.CommandText = "INSERT INTO tiles VALUES (:zoom_level, :tile_column, :tile_row, :tile_data) ;";
query.Parameters.Add(new SQLiteParameter(@"zoom_level", DbType.Int64));
query.Parameters.Add(new SQLiteParameter(@"tile_column", DbType.Int64));
query.Parameters.Add(new SQLiteParameter(@"tile_row", DbType.Int64));
query.Parameters.Add(new SQLiteParameter(@"tile_data", DbType.Binary));
var url = "http://localhost:1234/default/{z}/{x}/{y}.png";
var box = new GeoCoordinateBox(
new GeoCoordinate(42.195968776291780, -5.2294921875),
new GeoCoordinate(51.248163159055906, 8.50341796875));
var minZoom = 5;
var maxZoom = 6;
// download tiles.
for (var zoom = maxZoom; zoom >= minZoom; zoom--)
{
var tileRange = TileRange.CreateAroundBoundingBox(box, zoom);
OsmSharp.Logging.Log.TraceEvent(string.Empty, OsmSharp.Logging.TraceEventType.Information,
string.Format("Downloading {0} tiles at zoom {1}.",
tileRange.Count, zoom));
foreach(var tile in tileRange)
{
// download tile.
var data = Download(url, tile);
// save tile.
var tileDir = new DirectoryInfo(Path.Combine(outputDir,
tile.Zoom.ToString(), tile.X.ToString()));
if (!tileDir.Exists)
{ // creates target dir.
tileDir.Create();
}
var tileFile = new FileInfo(Path.Combine(tileDir.ToString(),
tile.Y.ToString() + ".png"));
using (var outputStream = tileFile.OpenWrite())
{
outputStream.Write(data, 0, data.Length);
}
var inverted = tile.InvertY();
query.Parameters[0].Value = zoom;
query.Parameters[1].Value = tile.X;
query.Parameters[2].Value = inverted.Y;
query.Parameters[3].Value = data;
query.ExecuteNonQuery();
Thread.Sleep(100);
}
}
mbtiles.Close();
}
/// <summary>
/// Called after this machine reached the final state.
/// </summary>
public override void Succes()
{
// get first point.
AggregatedPoint firstPoint = null;
if (this.FinalMessages[0] is MicroPlannerMessagePoint)
{ // machine started on a point.
firstPoint = (this.FinalMessages[0] as MicroPlannerMessagePoint).Point;
}
else
{ // get the previous point.
firstPoint = (this.FinalMessages[0] as MicroPlannerMessageArc).Arc.Previous;
}
// get the last arc and the last point.
var latestArc = (this.FinalMessages[this.FinalMessages.Count - 2] as MicroPlannerMessageArc).Arc;
var latestPoint = (this.FinalMessages[this.FinalMessages.Count - 1] as MicroPlannerMessagePoint).Point;
var secondLatestArc = (this.FinalMessages[this.FinalMessages.Count - 4] as MicroPlannerMessageArc).Arc;
var secondLatestPoint = (this.FinalMessages[this.FinalMessages.Count - 3] as MicroPlannerMessagePoint).Point;
// count the number of streets in the same turning direction as the turn
// that was found.
int count = 0;
if (MicroPlannerHelper.IsLeft(latestPoint.Angle.Direction, this.Planner.Interpreter))
{
count = MicroPlannerHelper.GetLeft(this.FinalMessages, this.Planner.Interpreter);
}
else if (MicroPlannerHelper.IsRight(latestPoint.Angle.Direction, this.Planner.Interpreter))
{
count = MicroPlannerHelper.GetRight(this.FinalMessages, this.Planner.Interpreter);
}
// construct the box indicating the location of the resulting find by this machine.
var point1 = latestPoint.Location;
var box = new GeoCoordinateBox(
new GeoCoordinate(point1.Latitude - 0.001f, point1.Longitude - 0.001f),
new GeoCoordinate(point1.Latitude + 0.001f, point1.Longitude + 0.001f));
// get all the names/direction/counts.
var nextName = latestPoint.Next.Tags;
var betweenName = latestArc.Tags;
var beforeName = secondLatestArc.Tags;
int firstCount = count;
RelativeDirection firstTurn = secondLatestPoint.Angle;
RelativeDirection secondTurn = latestPoint.Angle;
// let the scentence planner generate the correct information.
var metaData = new Dictionary<string, object>();
metaData["first_street"] = beforeName;
metaData["first_direction"] = firstTurn;
metaData["second_street"] = betweenName;
metaData["second_direction"] = secondTurn;
metaData["count_before"] = firstCount;
metaData["pois"] = latestPoint.Points;
metaData["type"] = "immidiate_turn";
this.Planner.SentencePlanner.GenerateInstruction(metaData, firstPoint.SegmentIdx, latestPoint.SegmentIdx, box, latestPoint.Points);
}
/// <summary>
/// Returns all data in the given bounding box.
/// </summary>
/// <param name="box"></param>
/// <param name="filter"></param>
/// <returns></returns>
public override IList<OsmGeo> Get(GeoCoordinateBox box, Filter filter)
{
IList<OsmGeo> objects = _source.Get(box, filter);
foreach (OsmGeo osmGeo in objects)
{
switch(osmGeo.Type)
{
case OsmGeoType.Node:
_nodesCache.Add(osmGeo.Id.Value, osmGeo as Node);
break;
case OsmGeoType.Way:
_waysCache.Add(osmGeo.Id.Value, osmGeo as Way);
break;
case OsmGeoType.Relation:
_relationsCache.Add(osmGeo.Id.Value, osmGeo as Relation);
break;
}
}
return objects;
}
/// <summary>
/// Utility method for ensuring a view stays within a bounding box of geo coordinated.
/// </summary>
/// <param name="center">The map center we want to move to.</param>
/// <param name="boundingBox">A GeoCoordinateBox defining the bounding box.</param>
/// <param name="view" The current view.</param>
/// <returns>Returns a center geo coordinate that is corrected so the view stays within the bounding box.</returns>
public GeoCoordinate EnsureViewWithinBoundingBox(GeoCoordinate center, GeoCoordinateBox boundingBox, View2D view)
{
double[] mapCenterSceneCoords = this.Projection.ToPixel(center);
var toViewPort = view.CreateToViewPort(view.Width, view.Height);
double mapCenterPixelsX, mapCenterPixelsY;
toViewPort.Apply(mapCenterSceneCoords[0], mapCenterSceneCoords[1], out mapCenterPixelsX, out mapCenterPixelsY);
//double[] mapCenterPixels = view.ToViewPort(view.Width, view.Height, mapCenterSceneCoords[0], mapCenterSceneCoords[1]);
var fromViewPort = view.CreateFromViewPort(view.Height, view.Width);
double leftScene, topScene, rightScene, bottomScene;
fromViewPort.Apply(mapCenterPixelsX - (view.Width) / 2.0, mapCenterPixelsY - (view.Height) / 2.0, out leftScene, out topScene);
//double[] topLeftSceneCoordinates = view.FromViewPort(view.Width,
// view.Height,
// mapCenterPixels[0] - (view.Width) / 2.0,
// mapCenterPixels[1] - (view.Height) / 2.0);
GeoCoordinate topLeft = this.Projection.ToGeoCoordinates(leftScene, topScene);
//GeoCoordinate topLeft = this.Projection.ToGeoCoordinates(topLeftSceneCoordinates[0], topLeftSceneCoordinates[1]);
fromViewPort.Apply(mapCenterPixelsX + (view.Width) / 2.0, mapCenterPixelsY + (view.Height) / 2.0, out rightScene, out bottomScene);
//double[] bottomRightSceneCoordinates = view.FromViewPort(view.Width,
// view.Height,
// mapCenterPixels[0] + (view.Width) / 2.0,
// mapCenterPixels[1] + (view.Height) / 2.0);
GeoCoordinate bottomRight = this.Projection.ToGeoCoordinates(rightScene, bottomScene);
// Early exit when the view is inside the box.
if (boundingBox.Contains(topLeft) && boundingBox.Contains(bottomRight))
return center;
double viewNorth = topLeft.Latitude;
double viewEast = bottomRight.Longitude;
double viewSouth = bottomRight.Latitude;
double viewWest = topLeft.Longitude;
double boxNorth = boundingBox.MaxLat;
double boxEast = boundingBox.MaxLon;
double boxSouth = boundingBox.MinLat;
double boxWest = boundingBox.MinLon;
//TODO: Check if the view acrually fits the bounding box, if not resize the view.
// Correct all view bounds if neccecary.
if (viewNorth > boxNorth)
{
viewSouth -= viewNorth - boxNorth;
viewNorth = boxNorth;
}
if (viewEast > boxEast)
{
viewWest -= viewEast - boxEast;
viewEast = boxEast;
}
if (viewSouth < boxSouth)
{
viewNorth += boxSouth - viewSouth;
viewSouth = boxSouth;
}
if (viewWest < boxWest)
{
viewEast += boxWest - viewWest;
viewWest = boxWest;
}
// Compute and return corrected map center
return new GeoCoordinate(viewSouth + (viewNorth - viewSouth) / 2.0f, viewWest + (viewEast - viewWest) / 2.0f);
}
/// <summary>
/// Returns all objects with the given bounding box and valid for the given filter;
/// </summary>
/// <param name="box"></param>
/// <param name="filter"></param>
/// <returns></returns>
public override IList<OsmGeo> Get(GeoCoordinateBox box, OsmSharp.Osm.Filters.Filter filter)
{
// initialize connection.
SQLiteConnection con = this.CreateConnection();
List<OsmGeo> res = new List<OsmGeo>();
// calculate bounding box parameters to query db.
long latitude_min = (long)(box.MinLat * 10000000.0);
long longitude_min = (long)(box.MinLon * 10000000.0);
long latitude_max = (long)(box.MaxLat * 10000000.0);
long longitude_max = (long)(box.MaxLon * 10000000.0);
// TODO: improve this to allow loading of bigger bb's.
uint x_min = lon2x(box.MinLon);
uint x_max = lon2x(box.MaxLon);
uint y_min = lat2y(box.MinLat);
uint y_max = lat2y(box.MaxLat);
IList<long> boxes = new List<long>();
for (uint x = x_min; x <= x_max; x++)
{
for (uint y = y_min; y <= y_max; y++)
{
boxes.Add(this.xy2tile(x, y));
}
}
// STEP 1: query nodes table.
//id latitude longitude changeset_id visible timestamp tile version
//string sql
// = "SELECT node.id, node.latitude, node.longitude, node.changeset_id, node.timestamp, node.version, " +
// "node.usr, node.usr_id, node.visible FROM node WHERE (tile IN ({4})) AND (visible = 1) AND (latitude BETWEEN {0} AND {1} AND longitude BETWEEN {2} AND {3})";
// remove this nasty BETWEEN operation because it depends on the database (!) what results are returned (including or excluding bounds!!!)
string sql
= "SELECT node.id, node.latitude, node.longitude, node.changeset_id, node.timestamp, node.version, " +
"node.usr, node.usr_id, node.visible FROM node WHERE (tile IN ({4})) AND (visible = 1) AND (latitude >= {0} AND latitude < {1} AND longitude >= {2} AND longitude < {3})";
sql = string.Format(sql,
latitude_min.ToString(System.Globalization.CultureInfo.InvariantCulture),
latitude_max.ToString(System.Globalization.CultureInfo.InvariantCulture),
longitude_min.ToString(System.Globalization.CultureInfo.InvariantCulture),
longitude_max.ToString(System.Globalization.CultureInfo.InvariantCulture),
this.ConstructIdList(boxes));
// TODO: parameters.
var com = new SQLiteCommand(sql);
com.Connection = con;
SQLiteDataReader reader = ExecuteReader(com);
Node node = null;
var nodes = new Dictionary<long, Node>();
var nodeIds = new List<long>();
while (reader.Read())
{
node = new Node();
node.Id = reader.GetInt64(0);
int latitude_int = reader.GetInt32(1);
int longitude_int = reader.GetInt32(2);
node.ChangeSetId = reader.IsDBNull(3) ? null : (long?)reader.GetInt64(3);
node.TimeStamp = reader.IsDBNull(4) ? null : (DateTime?)this.ConvertDateTime(reader.GetInt64(4));
node.Version = reader.IsDBNull(5) ? null : (ulong?)reader.GetInt64(5);
node.Latitude = latitude_int / 10000000.0;
node.Longitude = longitude_int / 10000000.0;
node.UserName = reader.IsDBNull(6) ? null : reader.GetString(6);
node.UserId = reader.IsDBNull(7) ? null : (long?)reader.GetInt64(7);
node.Visible = reader.IsDBNull(8) ? null : (bool?)reader.GetBoolean(8);
nodeIds.Add(node.Id.Value);
nodes.Add(node.Id.Value, node);
}
reader.Close();
// STEP2: Load all node tags.
this.LoadNodeTags(nodes);
res.AddRange(nodes.Values);
// load all ways that contain the nodes that have been found.
res.AddRange(this.GetWaysFor(nodeIds));
// get relations containing any of the nodes or ways in the current results-list.
List<Relation> relations = new List<Relation>();
HashSet<long> relationIds = new HashSet<long>();
foreach (OsmGeo osmGeo in res)
{
IList<Relation> relationsFor = this.GetRelationsFor(osmGeo);
foreach (Relation relation in relationsFor)
{
if (!relationIds.Contains(relation.Id.Value))
{
relations.Add(relation);
relationIds.Add(relation.Id.Value);
}
}
}
// recursively add all relations containing other relations as a member.
do
{
res.AddRange(relations); // add previous relations-list.
List<Relation> newRelations = new List<Relation>();
foreach (OsmGeo osmGeo in relations)
{
IList<Relation> relationsFor = this.GetRelationsFor(osmGeo);
foreach (Relation relation in relationsFor)
{
if (!relationIds.Contains(relation.Id.Value))
{
newRelations.Add(relation);
relationIds.Add(relation.Id.Value);
}
}
}
relations = newRelations;
} while (relations.Count > 0);
if (filter != null)
{
List<OsmGeo> filtered = new List<OsmGeo>();
foreach (OsmGeo geo in res)
{
if (filter.Evaluate(geo))
{
filtered.Add(geo);
}
}
}
return res;
}
/// <summary>
/// Tests adding a lot of random data.
/// </summary>
/// <param name="count"></param>
public void DoTestAddingRandom(int count)
{
ILocatedObjectIndex<GeoCoordinate, LocatedObjectData> index = this.CreateIndex();
GeoCoordinateBox box = new GeoCoordinateBox(new GeoCoordinate(50, 3), new GeoCoordinate(40, 2));
HashSet<GeoCoordinate> locations = new HashSet<GeoCoordinate>();
Random random = new Random();
while (count > 0)
{
GeoCoordinate location = box.GenerateRandomIn(random);
LocatedObjectData data = new LocatedObjectData()
{
SomeData = location.ToString()
};
locations.Add(location);
index.Add(location, data);
// try immidiately after.
GeoCoordinateBox location_box = new GeoCoordinateBox(
new GeoCoordinate(location.Latitude - 0.0001, location.Longitude - 0.0001),
new GeoCoordinate(location.Latitude + 0.0001, location.Longitude + 0.0001));
IEnumerable<LocatedObjectData> location_box_data = index.GetInside(
location_box);
Assert.IsNotNull(location_box_data);
bool found = false;
foreach (LocatedObjectData location_data in location_box_data)
{
if (location_data.SomeData == location.ToString())
{
found = true;
}
}
Assert.IsTrue(found, string.Format("Data added at location {0} not found in box {1}!",
location, location_box));
count--;
}
foreach (GeoCoordinate location in locations)
{
GeoCoordinateBox location_box = new GeoCoordinateBox(
new GeoCoordinate(location.Latitude - 0.0001, location.Longitude - 0.0001),
new GeoCoordinate(location.Latitude + 0.0001, location.Longitude + 0.0001));
IEnumerable<LocatedObjectData> location_box_data = index.GetInside(
location_box);
Assert.IsNotNull(location_box_data);
bool found = false;
foreach (LocatedObjectData location_data in location_box_data)
{
if (location_data.SomeData == location.ToString())
{
found = true;
}
}
Assert.IsTrue(found, string.Format("Data added at location {0} not found in box {1}!",
location, location_box));
}
}
/// <summary>
/// Tests adding some simple data.
/// </summary>
protected void DoTestSimple()
{
// create the index.
ILocatedObjectIndex<GeoCoordinate, LocatedObjectData> index = this.CreateIndex();
// add the data.
GeoCoordinate point1 = new GeoCoordinate(0, 0);
LocatedObjectData point1_data = new LocatedObjectData()
{
SomeData = point1.ToString()
};
GeoCoordinate point2 = new GeoCoordinate(1, 1);
LocatedObjectData point2_data = new LocatedObjectData()
{
SomeData = point2.ToString()
};
GeoCoordinateBox location_box = new GeoCoordinateBox(
new GeoCoordinate(point1.Latitude - 0.0001, point1.Longitude - 0.0001),
new GeoCoordinate(point1.Latitude + 0.0001, point1.Longitude + 0.0001));
// try and get data from empty index.
// regression test for issue: https://osmsharp.codeplex.com/workitem/1244
IEnumerable<LocatedObjectData> location_box_data = index.GetInside(location_box);
Assert.IsNotNull(location_box_data);
Assert.AreEqual(0, location_box_data.Count());
// try point1.
index.Add(point1, point1_data);
location_box_data = index.GetInside(
location_box);
Assert.IsNotNull(location_box_data);
bool found = false;
foreach (LocatedObjectData location_data in location_box_data)
{
if (location_data.SomeData == point1.ToString())
{
found = true;
}
}
Assert.IsTrue(found, string.Format("Data added at location {0} not found in box {1}!",
point1, location_box));
// try point2.
index.Add(point2, point2_data);
location_box = new GeoCoordinateBox(
new GeoCoordinate(point2.Latitude - 0.0001, point2.Longitude - 0.0001),
new GeoCoordinate(point2.Latitude + 0.0001, point2.Longitude + 0.0001));
location_box_data = index.GetInside(
location_box);
Assert.IsNotNull(location_box_data);
found = false;
foreach (LocatedObjectData location_data in location_box_data)
{
if (location_data.SomeData == point2.ToString())
{
found = true;
}
}
Assert.IsTrue(found, string.Format("Data added at location {0} not found in box {1}!",
point2, location_box));
}
/// <summary>
/// Builds the scene.
/// </summary>
/// <param name="map"></param>
/// <param name="zoomFactor"></param>
/// <param name="center"></param>
/// <param name="view"></param>
private void BuildScene(Map map, float zoomFactor, GeoCoordinate center, View2D view)
{
// get the indexed object at this zoom.
HashSet<ArcId> interpretedObjects;
if (!_interpretedObjects.TryGetValue ((int)zoomFactor, out interpretedObjects)) {
interpretedObjects = new HashSet<ArcId> ();
_interpretedObjects.Add ((int)zoomFactor, interpretedObjects);
}
// build the boundingbox.
var viewBox = view.OuterBox;
var box = new GeoCoordinateBox (map.Projection.ToGeoCoordinates (viewBox.Min [0], viewBox.Min [1]),
map.Projection.ToGeoCoordinates (viewBox.Max [0], viewBox.Max [1]));
foreach (var requestedBox in _requestedBoxes) {
if (requestedBox.Contains (box)) {
return;
}
}
_requestedBoxes.Add (box);
//// set the scene backcolor.
//SimpleColor? color = _styleInterpreter.GetCanvasColor ();
//_scene.BackColor = color.HasValue
// ? color.Value.Value
// : SimpleColor.FromArgb (0, 255, 255, 255).Value;
// get data.
foreach (var arc in _dataSource.GetArcs(box)) {
// translate each object into scene object.
var arcId = new ArcId () {
Vertex1 = arc.Key,
Vertex2 = arc.Value.Key
};
if (!interpretedObjects.Contains (arcId)) {
interpretedObjects.Add (arcId);
// create nodes.
float latitude, longitude;
_dataSource.GetVertex (arcId.Vertex1, out latitude, out longitude);
var node1 = CompleteNode.Create (arcId.Vertex1);
node1.Coordinate = new GeoCoordinate (latitude, longitude);
_dataSource.GetVertex (arcId.Vertex2, out latitude, out longitude);
var node2 = CompleteNode.Create (arcId.Vertex2);
node2.Coordinate = new GeoCoordinate (latitude, longitude);
// create way.
var way = CompleteWay.Create (-1);
if (arc.Value.Value.Forward) {
way.Nodes.Add (node1);
way.Nodes.Add (node2);
} else {
way.Nodes.Add (node2);
way.Nodes.Add (node1);
}
way.Tags.AddOrReplace (_dataSource.TagsIndex.Get (arc.Value.Value.Tags));
_styleInterpreter.Translate (_scene, map.Projection, way);
interpretedObjects.Add (arcId);
}
}
}
/// <summary>
/// Adds a polyline.
/// </summary>
/// <param name="points"></param>
/// <param name="sizePixels"></param>
/// <param name="color"></param>
/// <returns></returns>
public void AddPolyline(GeoCoordinate[] points, float sizePixels, int color)
{
var x = new double[points.Length];
var y = new double[points.Length];
for(int idx = 0; idx < points.Length; idx++)
{
// update envelope.
if (_envelope == null)
{ // create initial envelope.
_envelope = new GeoCoordinateBox(points[idx], points[idx]);
}
// also include the current point.
_envelope.ExpandWith(points[idx]);
var projected =_projection.ToPixel(points[idx]);
x[idx] = projected[0];
y[idx] = projected[1];
}
uint? pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStyleLine(pointsId.Value, 0, float.MinValue, float.MaxValue, color, sizePixels, Renderer.Primitives.LineJoin.Round, null);
this.RaiseLayerChanged();
}
}
/// <summary>
/// Adds a line.
/// </summary>
/// <param name="point1"></param>
/// <param name="point2"></param>
/// <param name="sizePixels"></param>
/// <param name="color"></param>
/// <returns></returns>
public void AddLine(GeoCoordinate point1, GeoCoordinate point2, float sizePixels, int color)
{
// update envelope.
if (_envelope == null)
{ // create initial envelope.
_envelope = new GeoCoordinateBox(point1, point2);
}
// also include the current point.
_envelope.ExpandWith(point1);
_envelope.ExpandWith(point2);
var projected1 = _projection.ToPixel(point1);
var projected2 = _projection.ToPixel(point2);
var x = new double[] { projected1[0], projected2[0] };
var y = new double[] { projected1[1], projected2[1] };
uint? pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStyleLine(pointsId.Value, 0, float.MinValue, float.MaxValue, color, sizePixels, Renderer.Primitives.LineJoin.Round, null);
this.RaiseLayerChanged();
}
}
/// <summary>
/// Builds the scene.
/// </summary>
/// <param name="map"></param>
/// <param name="zoomFactor"></param>
/// <param name="center"></param>
/// <param name="view"></param>
private void BuildScene(Map map, float zoomFactor, GeoCoordinate center, View2D view)
{
// build the boundingbox.
var viewBox = view.OuterBox;
var box = new GeoCoordinateBox(map.Projection.ToGeoCoordinates(viewBox.Min[0], viewBox.Min[1]),
map.Projection.ToGeoCoordinates(viewBox.Max[0], viewBox.Max[1]));
var zoomLevel = (int)map.Projection.ToZoomLevel(zoomFactor);
if (_lastBox != null && _lastBox.Contains(box) &&
zoomLevel == _lastZoom)
{
return;
}
_lastBox = box;
_lastZoom = zoomLevel;
lock (_index)
{
_primitives = _index.Get(view, zoomFactor);
}
}
