/// <summary>
/// Fills the scene with objects from the given datasource that existing inside the given boundingbox with the given projection.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="box"></param>
/// <param name="projection"></param>
public void FillScene(IDataSourceReadOnly dataSource, GeoCoordinateBox box, IProjection projection)
{
foreach (var osmGeo in dataSource.Get(box, null))
{ // translate each object into scene object.
LongIndex index = null;
switch (osmGeo.Type)
{
case Osm.OsmGeoType.Node:
index = _interpretedNodes;
break;
case Osm.OsmGeoType.Way:
index = _interpretedWays;
break;
case Osm.OsmGeoType.Relation:
index = _interpretedRelations;
break;
}
if (!index.Contains(osmGeo.Id.Value))
{ // object was not yet interpreted.
index.Add(osmGeo.Id.Value);
_interpreter.Translate(_scene, projection, dataSource, osmGeo);
}
}
}
/// <summary>
/// Adds a layer displaying osm data from a given data source using the given style.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
/// <returns></returns>
public LayerOsm AddLayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter)
{
LayerOsm layerOsm = new LayerOsm(dataSource, styleInterpreter, this.Projection);
this.AddLayer(layerOsm);
return(layerOsm);
}
/// <summary>
/// Tests read/write and actual data file.
/// </summary>
protected void TestReadWriteData()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
target.RegisterSource(source);
target.Pull();
IDataSourceReadOnly dataSource = this.CreateDataSource();
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
foreach (Node node in memorySource.GetNodes())
{
Node dbNode = dataSource.GetNode(node.Id.Value);
this.CompareNodes(node, dbNode);
}
foreach (Way way in memorySource.GetWays())
{
Way dbWay = dataSource.GetWay(way.Id.Value);
this.CompareWays(way, dbWay);
}
foreach (Relation relation in memorySource.GetRelations())
{
Relation dbRelation = dataSource.GetRelation(relation.Id.Value);
this.CompareRelations(relation, dbRelation);
}
}
/// <summary>
/// Creates a new datasource cache.
/// </summary>
/// <param name="source">The data source being wrapped and cached.</param>
/// <param name="zoom_level">The zoom level to use as a caching structure.</param>
public DataSourceCache(IDataSourceReadOnly source,int zoom_level)
{
_zoom_level = zoom_level;
_source = source;
_id = Guid.NewGuid();
this.InitializeCache();
}
/// <summary>
/// Tests writing data and getting ways using it's nodes.
/// </summary>
protected void TestGetWaysForNode()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
target.Initialize();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
IDataSourceReadOnly dataSource = this.CreateDataSource();
source.Initialize();
while (source.MoveNext())
{
switch (source.Current().Type)
{
case OsmGeoType.Way:
Way way = (source.Current() as Way);
target.AddWay(way);
target.Flush();
if (way.Nodes != null)
{
foreach (long nodeId in way.Nodes)
{
IList <Way> ways = dataSource.GetWaysFor(nodeId);
Assert.IsNotNull(ways);
Assert.IsTrue(ways.Count > 0);
List <Way> foundWays = new List <Way>(ways.Where <Way>(x => x.Id == way.Id));
Assert.AreEqual(1, foundWays.Count);
}
}
break;
}
}
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
foreach (Way way in memorySource.GetWays())
{
if (way.Nodes != null)
{
foreach (long nodeId in way.Nodes)
{
IList <Way> ways = dataSource.GetWaysFor(nodeId);
Assert.IsNotNull(ways);
Assert.IsTrue(ways.Count > 0);
List <Way> foundWays = new List <Way>(ways.Where <Way>(x => x.Id == way.Id));
Assert.AreEqual(1, foundWays.Count);
}
}
}
}
/// <summary>
/// Creates a new OSM data layer.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
/// <param name="projection"></param>
public LayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter, IProjection projection)
{
// build the zoom-level cutoffs.
List<float> zoomFactors = new List<float>();
zoomFactors.Add(16);
zoomFactors.Add(14);
zoomFactors.Add(12);
zoomFactors.Add(10);
_dataSource = dataSource;
_styleSceneManager = new StyleSceneManager(styleInterpreter, projection, zoomFactors);
}
/// <summary>
/// Creates a new OSM data layer.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
/// <param name="projection"></param>
public LayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter, IProjection projection)
{
// build the zoom-level cutoffs.
List <float> zoomFactors = new List <float>();
zoomFactors.Add(16);
zoomFactors.Add(14);
zoomFactors.Add(12);
zoomFactors.Add(10);
_dataSource = dataSource;
_styleSceneManager = new StyleSceneManager(styleInterpreter, projection, zoomFactors);
}
/// <summary>
/// Interprets an OSM-object and returns the correctponding geometry.
/// </summary>
/// <param name="simpleOsmGeo"></param>
/// <param name="data"></param>
/// <returns></returns>
public virtual GeometryCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
{
switch (simpleOsmGeo.Type)
{
case OsmGeoType.Node:
return(this.Interpret(simpleOsmGeo as Node));
case OsmGeoType.Way:
return(this.Interpret(CompleteWay.CreateFrom(simpleOsmGeo as Way, data)));
case OsmGeoType.Relation:
return(this.Interpret(CompleteRelation.CreateFrom(simpleOsmGeo as Relation, data)));
}
throw new ArgumentOutOfRangeException();
}
/// <summary>
/// Creates a new OSM data layer.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
public OsmLayer(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter, IProjection projection)
{
// build the zoom-level cutoffs.
List <float> zoomLevelCutoffs = new List <float>();
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(18));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(16));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(14));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(12));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(10));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(8));
_dataSource = dataSource;
_styleSceneManager = new StyleSceneManager(styleInterpreter, zoomLevelCutoffs);
}
/// <summary>
/// Creates a new data source.
/// </summary>
/// <param name="source"></param>
public DataSourceLayer(IDataSourceReadOnly source)
{
this.Visible = true;
this.Name = "Data Source Layer";
_source = source;
_id = Guid.NewGuid();
// TODO: Add modification event.
// _source.
_default = Color.Blue;
this.MinZoom = -1;
this.MaxZoom = -1;
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
this.Translate(scene, projection, CompleteNode.CreateFrom(osmGeo as Node));
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
/// <summary>
/// Creates a new OSM data layer.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
public LayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter, IProjection projection)
{
// build the zoom-level cutoffs.
List<float> zoomLevelCutoffs = new List<float>();
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(18));
//zoomLevelCutoffs.Add((float)projection.ToZoomFactor(16));
//zoomLevelCutoffs.Add((float)projection.ToZoomFactor(14));
//zoomLevelCutoffs.Add((float)projection.ToZoomFactor(12));
//zoomLevelCutoffs.Add((float)projection.ToZoomFactor(10));
//zoomLevelCutoffs.Add((float)projection.ToZoomFactor(8));
zoomLevelCutoffs.Add((float)projection.ToZoomFactor(0));
_dataSource = dataSource;
_styleSceneManager = new StyleSceneManager(styleInterpreter, zoomLevelCutoffs);
//_styleSceneManager = new StyleSceneManager(styleInterpreter);
}
/// <summary>
/// Creates a new way from a SimpleWay.
/// </summary>
/// <param name="simpleWay"></param>
/// <param name="cache"></param>
/// <returns></returns>
public static CompleteWay CreateFrom(Way simpleWay, IDataSourceReadOnly cache)
{
if (simpleWay == null)
{
throw new ArgumentNullException("simpleWay");
}
if (cache == null)
{
throw new ArgumentNullException("cache");
}
if (simpleWay.Id == null)
{
throw new Exception("simpleWay.id is null");
}
CompleteWay way = Create(simpleWay.Id.Value);
way.ChangeSetId = simpleWay.ChangeSetId;
if (simpleWay.Tags != null)
{
foreach (Tag pair in simpleWay.Tags)
{
way.Tags.Add(pair);
}
}
for (int idx = 0; idx < simpleWay.Nodes.Count; idx++)
{
long nodeId = simpleWay.Nodes[idx];
Node node = cache.GetNode(nodeId);
if (node != null)
{
way.Nodes.Add(CompleteNode.CreateFrom(node));
}
else
{
return(null);
}
}
way.TimeStamp = simpleWay.TimeStamp;
way.User = simpleWay.UserName;
way.UserId = simpleWay.UserId;
way.Version = simpleWay.Version.HasValue ? (long)simpleWay.Version.Value : (long?)null;
way.Visible = simpleWay.Visible.HasValue && simpleWay.Visible.Value;
return(way);
}
public virtual FeatureCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
{
switch (simpleOsmGeo.Type)
{
case OsmGeoType.Node:
return(this.Interpret((ICompleteOsmGeo)(simpleOsmGeo as Node)));
case OsmGeoType.Way:
return(this.Interpret((ICompleteOsmGeo)CompleteWay.CreateFrom(simpleOsmGeo as Way, (INodeSource)data)));
case OsmGeoType.Relation:
return(this.Interpret((ICompleteOsmGeo)CompleteRelation.CreateFrom(simpleOsmGeo as Relation, (IOsmGeoSource)data)));
default:
throw new ArgumentOutOfRangeException();
}
}
/// <summary>
/// Tests a few boundingbox queries.
/// </summary>
protected void TestBoundingBoxQueries()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
target.RegisterSource(source);
target.Pull();
IDataSourceReadOnly dataSource = this.CreateDataSource();
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
// get reference data and compare to the real thing!
GeoCoordinateBox box = memorySource.BoundingBox;
IList <OsmGeo> referenceBoxData = memorySource.Get(box, null);
IList <OsmGeo> boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// increase box size and compare again.
box = memorySource.BoundingBox.Resize(0.1);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.5);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.25);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
// descrese box size and compare again.
box = memorySource.BoundingBox.Scale(0.1);
referenceBoxData = memorySource.Get(box, null);
boxData = dataSource.Get(box, null);
this.CompareResults(referenceBoxData, boxData);
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
this.Translate(scene, projection, CompleteNode.CreateFrom(osmGeo as Node));
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
/// <summary>
/// Tests if the data present is the data from api.osm.
/// </summary>
private void TestData(IDataSourceReadOnly data)
{
// test what data is present in the datasource.
Node node_291738780 = data.GetNode(291738780);
Assert.IsNotNull(node_291738780);
Assert.AreEqual(291738780, node_291738780.Id);
Node node_1727654333 = data.GetNode(1727654333);
Assert.IsNotNull(node_1727654333);
Assert.AreEqual(1727654333, node_1727654333.Id);
Way way_87281441 = data.GetWay(87281441);
Assert.IsNotNull(way_87281441);
Assert.AreEqual(87281441, way_87281441.Id);
Way way_76705106 = data.GetWay(76705106);
Assert.IsNotNull(way_76705106);
Assert.AreEqual(76705106, way_76705106.Id);
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
var node = osmGeo as Node;
if(node.Tags == null)
{ // make sure that a node has a tag collection by default.
node.Tags= new TagsCollection();
}
this.Translate(scene, projection, node);
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
/// <summary>
/// Translates the given OSM objects into corresponding geometries.
/// </summary>
/// <param name="scene"></param>
/// <param name="projection"></param>
/// <param name="source"></param>
/// <param name="osmGeo"></param>
public virtual void Translate(Scene2D scene, IProjection projection, IDataSourceReadOnly source, OsmGeo osmGeo)
{
switch (osmGeo.Type)
{
case OsmGeoType.Node:
var node = osmGeo as Node;
if (node.Tags == null)
{ // make sure that a node has a tag collection by default.
node.Tags = new TagsCollection();
}
this.Translate(scene, projection, node);
break;
case OsmGeoType.Way:
this.Translate(scene, projection, CompleteWay.CreateFrom(osmGeo as Way, source));
break;
case OsmGeoType.Relation:
this.Translate(scene, projection, CompleteRelation.CreateFrom(osmGeo as Relation, source));
break;
}
}
/// <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);
}
/// <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;
}
/// <summary>
/// Tests writing data and getting relations using it's members.
/// </summary>
protected void TestGetRelationsForMember()
{
this.NotifyEmptyExpected(); // empty test database.
// create the target and pull the data from the test-file into the sqlite database.
OsmStreamTarget target = this.CreateDataStreamTarget();
target.Initialize();
PBFOsmStreamSource source = new PBFOsmStreamSource(
Assembly.GetExecutingAssembly().GetManifestResourceStream("OsmSharp.Data.Test.Unittests.Data.Osm.test.osm.pbf"));
IDataSourceReadOnly dataSource = this.CreateDataSource();
source.Initialize();
while (source.MoveNext())
{
switch (source.Current().Type)
{
case OsmGeoType.Relation:
Relation relation = (source.Current() as Relation);
target.AddRelation(relation);
target.Flush();
if (relation.Members != null)
{
foreach (var member in relation.Members)
{
OsmGeoType type = OsmGeoType.Node;
switch (member.MemberType.Value)
{
case OsmGeoType.Node:
type = OsmGeoType.Node;
break;
case OsmGeoType.Way:
type = OsmGeoType.Way;
break;
case OsmGeoType.Relation:
type = OsmGeoType.Relation;
break;
}
IList <Relation> relations = dataSource.GetRelationsFor(type, member.MemberId.Value);
Assert.IsNotNull(relations);
Assert.IsTrue(relations.Count > 0);
List <Relation> foundRelations = new List <Relation>(relations.Where <Relation>(x => x.Id == relation.Id));
Assert.AreEqual(1, foundRelations.Count);
}
}
break;
}
}
MemoryDataSource memorySource = MemoryDataSource.CreateFrom(source);
foreach (Relation relation in memorySource.GetRelations())
{
if (relation.Members != null)
{
foreach (var member in relation.Members)
{
OsmGeoType type = OsmGeoType.Node;
switch (member.MemberType.Value)
{
case OsmGeoType.Node:
type = OsmGeoType.Node;
break;
case OsmGeoType.Way:
type = OsmGeoType.Way;
break;
case OsmGeoType.Relation:
type = OsmGeoType.Relation;
break;
}
IList <Relation> relations = dataSource.GetRelationsFor(type, member.MemberId.Value);
Assert.IsNotNull(relations);
Assert.IsTrue(relations.Count > 0);
List <Relation> foundRelations = new List <Relation>(relations.Where <Relation>(x => x.Id == relation.Id));
Assert.AreEqual(1, foundRelations.Count);
}
}
break;
}
}
/// <summary>
/// Creates a new named source.
/// </summary>
/// <param name="name"></param>
/// <param name="dataSourceReadOnly"></param>
public NamedSource(string name, IDataSourceReadOnly dataSourceReadOnly)
{
_name = name;
_dataSourceReadOnly = dataSourceReadOnly;
}
/// <summary>
/// Adds a layer displaying osm data from a given data source using the given style.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="styleInterpreter"></param>
/// <returns></returns>
public LayerOsm AddLayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter styleInterpreter)
{
LayerOsm layerOsm = new LayerOsm(dataSource, styleInterpreter, this.Projection);
this.AddLayer(layerOsm);
return layerOsm;
}
/// <summary>
/// Creates a new datasource cache.
/// </summary>
/// <param name="source"></param>
public DataSourceCache(IDataSourceReadOnly source)
{
_source = source;
}
/// <summary>
/// Creates a new data source.
/// </summary>
/// <param name="source"></param>
/// <param name="default_color"></param>
public DataSourceLayer(
IDataSourceReadOnly source,
Color default_color)
: this(source)
{
_default = default_color;
}
internal LayerOsm AddLayerOsm(IDataSourceReadOnly dataSource, StyleInterpreter interpreter = null)
{
var osmLayer = _map.AddLayerOsm(dataSource, interpreter ?? DefaultInterpreter);
if (Center == null && dataSource.BoundingBox != null)
{
Center = dataSource.BoundingBox.Center;
}
return osmLayer;
}
/// <summary>
/// Creates a new named source.
/// </summary>
/// <param name="name"></param>
/// <param name="dataSourceReadOnly"></param>
public NamedSource(string name, IDataSourceReadOnly dataSourceReadOnly)
{
_name = name;
_dataSourceReadOnly = dataSourceReadOnly;
}
/// <summary>
/// Fills the scene with objects from the given datasource that existing inside the given boundingbox with the given projection.
/// </summary>
/// <param name="dataSource"></param>
/// <param name="box"></param>
/// <param name="projection"></param>
public void FillScene(IDataSourceReadOnly dataSource, GeoCoordinateBox box, IProjection projection)
{
IList<Osm.OsmGeo> osmGeos = dataSource.Get(box, null);
foreach (var osmGeo in osmGeos)
{ // translate each object into scene object.
LongIndex index = null;
switch (osmGeo.Type)
{
case Osm.OsmGeoType.Node:
index = _interpretedNodes;
break;
case Osm.OsmGeoType.Way:
index = _interpretedWays;
break;
case Osm.OsmGeoType.Relation:
index = _interpretedRelations;
break;
}
if (!index.Contains(osmGeo.Id.Value))
{ // object was not yet interpreted.
index.Add(osmGeo.Id.Value);
_interpreter.Translate(_scene, projection, dataSource, osmGeo);
}
}
}
/// <summary>
/// Interprets an OSM-object and returns the correctponding geometry.
/// </summary>
/// <param name="simpleOsmGeo"></param>
/// <param name="data"></param>
/// <returns></returns>
public virtual GeometryCollection Interpret(OsmGeo simpleOsmGeo, IDataSourceReadOnly data)
{
switch (simpleOsmGeo.Type)
{
case OsmGeoType.Node:
return this.Interpret(simpleOsmGeo as Node);
case OsmGeoType.Way:
return this.Interpret(CompleteWay.CreateFrom(simpleOsmGeo as Way, data));
case OsmGeoType.Relation:
return this.Interpret(CompleteRelation.CreateFrom(simpleOsmGeo as Relation, data));
}
throw new ArgumentOutOfRangeException();
}
/// <summary>
/// Completes the collection, fetching optional missing elements
/// </summary>
/// <param name="source">The source to search for missing elements from</param>
/// <param name="relation_nodes">Find missing nodes from relations?</param>
/// <param name="relation_ways">Find missing ways from relations?</param>
/// <param name="relation_relations">Find missing relations from relations?</param>
public OsmGeoCollection Complete(IDataSourceReadOnly source,
bool relation_nodes = false,
bool relation_ways = false,
bool relation_relations = false)
{
var missing_node_ids = new List <long>();
var missing_way_ids = new List <long>();
// search relations for missing relations
if (relation_relations)
{
var missing_relation_ids = new List <long>();
do
{
foreach (var relation in Relations)
{
foreach (var member in relation.Value.Members)
{
if (member.MemberType.Value == OsmGeoType.Relation)
{
if (!Relations.ContainsKey(member.MemberId.Value))
{
missing_relation_ids.Add(member.MemberId.Value);
}
}
}
}
var found_relations = source.GetRelations(missing_relation_ids);
foreach (var found_relation in found_relations)
{
if (!Relations.ContainsKey(found_relation.Id.Value))
{
Relations.Add(found_relation.Id.Value, found_relation);
}
}
} while (missing_relation_ids.Count > 0);
}
// search relations for missing ways and nodes
if (relation_ways || relation_nodes)
{
foreach (var relation in Relations)
{
foreach (var member in relation.Value.Members)
{
if (member.MemberType.Value == OsmGeoType.Node)
{
if (relation_nodes)
{
if (!Nodes.ContainsKey(member.MemberId.Value))
{
missing_node_ids.Add(member.MemberId.Value);
}
}
}
else if (member.MemberType.Value == OsmGeoType.Way)
{
if (relation_ways)
{
if (!Ways.ContainsKey(member.MemberId.Value))
{
missing_way_ids.Add(member.MemberId.Value);
}
}
}
else if (member.MemberType.Value == OsmGeoType.Relation)
{
if (relation_relations)
{
if (!Relations.ContainsKey(member.MemberId.Value))
{
throw new NotImplementedException();
}
}
}
}
}
}
// fetch missing ways
var found_ways = source.GetWays(missing_way_ids);
foreach (var found_way in found_ways)
{
Ways.Add(found_way.Id.Value, found_way);
}
// search ways for missing nodes
foreach (var way in Ways)
{
foreach (var node_id in way.Value.Nodes)
{
if (!Nodes.ContainsKey(node_id))
{
missing_node_ids.Add(node_id);
}
}
}
// fetch missing nodes
var found_nodes = source.GetNodes(missing_node_ids);
foreach (var found_node in found_nodes)
{
Nodes.Add(found_node.Id.Value, found_node);
}
return(this);
}
/// <summary>
/// Creates a relation from a SimpleRelation.
/// </summary>
/// <param name="simpleRelation"></param>
/// <param name="cache"></param>
/// <returns></returns>
public static CompleteRelation CreateFrom(Relation simpleRelation, IDataSourceReadOnly cache)
{
if (simpleRelation == null)
{
throw new ArgumentNullException("simpleRelation");
}
if (cache == null)
{
throw new ArgumentNullException("cache");
}
if (simpleRelation.Id == null)
{
throw new Exception("simpleRelation.Id is null");
}
CompleteRelation relation = Create(simpleRelation.Id.Value);
relation.ChangeSetId = simpleRelation.ChangeSetId;
foreach (Tag pair in simpleRelation.Tags)
{
relation.Tags.Add(pair);
}
for (int idx = 0; idx < simpleRelation.Members.Count; idx++)
{
long memberId = simpleRelation.Members[idx].MemberId.Value;
string role = simpleRelation.Members[idx].MemberRole;
var member = new CompleteRelationMember();
member.Role = role;
switch (simpleRelation.Members[idx].MemberType.Value)
{
case OsmGeoType.Node:
Node simpleNode = cache.GetNode(memberId);
if (simpleNode != null)
{
member.Member = CompleteNode.CreateFrom(simpleNode);
}
else
{
return(null);
}
break;
case OsmGeoType.Way:
Way simpleWay = cache.GetWay(memberId);
if (simpleWay != null)
{
member.Member = CompleteWay.CreateFrom(simpleWay, cache);
}
else
{
return(null);
}
break;
case OsmGeoType.Relation:
Relation simpleRelationMember = cache.GetRelation(memberId);
if (simpleRelationMember != null)
{
member.Member = CompleteRelation.CreateFrom(simpleRelationMember, cache);
}
else
{
return(null);
}
break;
}
relation.Members.Add(member);
}
relation.TimeStamp = simpleRelation.TimeStamp;
relation.User = simpleRelation.UserName;
relation.UserId = simpleRelation.UserId;
relation.Version = simpleRelation.Version.HasValue ? (long)simpleRelation.Version.Value : (long?)null;
relation.Visible = simpleRelation.Visible.HasValue && simpleRelation.Visible.Value;
return(relation);
}
public DataSourceCache(IDataSourceReadOnly source)
{
this._source = source;
}
