/// <summary>
/// Converts this tile definition into a projected box.
/// </summary>
/// <param name="projection"></param>
/// <returns></returns>
public BoxF2D ToBox(IProjection projection)
{
double left = projection.LongitudeToX(this.TopLeft[0]);
double right = projection.LongitudeToX(this.BottomRight[0]);
double bottom = projection.LatitudeToY(this.BottomRight[1]);
double top = projection.LatitudeToY(this.TopLeft[1]);
return(new BoxF2D(left, bottom, right, top));
}
public BoxF2D ToBox(IProjection projection)
{
double x1 = projection.LongitudeToX(this.TopLeft[0]);
double x2 = projection.LongitudeToX(this.BottomRight[0]);
double y1 = projection.LatitudeToY(this.BottomRight[1]);
double y2 = projection.LatitudeToY(this.TopLeft[1]);
double y1_1 = y1;
double x2_1 = x2;
double y2_1 = y2;
return(new BoxF2D(x1, y1_1, x2_1, y2_1));
}
/// <summary>
/// Adds a new OsmSharpRoute.
/// </summary>
/// <param name="route">Stream.</param>
/// <param name="argb">Stream.</param>
public void AddRoute(OsmSharpRoute route, int argb)
{
if (route.Entries != null && route.Entries.Length > 0)
{ // there are entries.
// get x/y.
var x = new double[route.Entries.Length];
var y = new double[route.Entries.Length];
for (int idx = 0; idx < route.Entries.Length; idx++)
{
x[idx] = _projection.LongitudeToX(
route.Entries[idx].Longitude);
y[idx] = _projection.LatitudeToY(
route.Entries[idx].Latitude);
}
// set the default color if none is given.
SimpleColor blue = new SimpleColor()
{
Value = argb
};
SimpleColor color = SimpleColor.FromArgb(argb);
this.Scene.AddLine(float.MinValue, float.MaxValue, x, y,
color.Value, 4);
}
}
/// <summary>
/// Adds a new OsmSharpRoute.
/// </summary>
/// <param name="route">Stream.</param>
/// <param name="argb">Stream.</param>
/// <param name="width"></param>
public void AddRoute(Route route, int argb, double width)
{
if (route != null &&
route.Segments != null &&
route.Segments.Length > 0)
{ // there are entries.
// get x/y.
var x = new double[route.Segments.Length];
var y = new double[route.Segments.Length];
for (int idx = 0; idx < route.Segments.Length; idx++)
{
x[idx] = _projection.LongitudeToX(
route.Segments[idx].Longitude);
y[idx] = _projection.LatitudeToY(
route.Segments[idx].Latitude);
}
// set the default color if none is given.
var color = SimpleColor.FromArgb(argb);
var pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStyleLine(pointsId.Value, 0, float.MinValue, float.MaxValue,
color.Value, (float)width, Renderer.Primitives.LineJoin.Round, null);
}
}
this.RaiseLayerChanged();
}
/// <summary>
/// Adds a new OsmSharpRoute.
/// </summary>
/// <param name="route">Stream.</param>
/// <param name="argb">Stream.</param>
/// <param name="width"></param>
public void AddRoute(Route route, int argb, double width)
{
if (route != null &&
route.Segments != null &&
route.Segments.Length > 0)
{ // there are entries.
// get x/y.
var x = new double[route.Segments.Length];
var y = new double[route.Segments.Length];
for (int idx = 0; idx < route.Segments.Length; idx++)
{
x[idx] = _projection.LongitudeToX(
route.Segments[idx].Longitude);
y[idx] = _projection.LatitudeToY(
route.Segments[idx].Latitude);
// update envelope.
if (_envelope == null)
{ // create initial envelope.
_envelope = new GeoCoordinateBox(
new GeoCoordinate(route.Segments[idx].Latitude, route.Segments[idx].Longitude),
new GeoCoordinate(route.Segments[idx].Latitude, route.Segments[idx].Longitude));
}
// also include the current point.
_envelope.ExpandWith(new GeoCoordinate(route.Segments[idx].Latitude, route.Segments[idx].Longitude));
}
// set the default color if none is given.
var color = SimpleColor.FromArgb(argb);
var pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStyleLine(pointsId.Value, 0, float.MinValue, float.MaxValue,
color.Value, (float)width, Renderer.Primitives.LineJoin.Round, null);
}
}
this.RaiseLayerChanged();
}
/// <summary>
/// Translates a way.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="way"></param>
private void TranslateWay(Scene2D scene, IProjection projection, CompleteWay way)
{
// build the rules.
List <MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(way));
// validate what's there.
if (rules.Count == 0)
{
return;
}
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
// add the z-index.
foreach (var rule in rules)
{
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
int zIndex;
if (!rule.TryGetProperty <int>("zIndex", out zIndex))
{
zIndex = 0;
}
// interpret the results.
if (x != null)
{ // there is a valid interpretation of this way.
int color;
bool renderAsLine = true;
if (way.IsOfType(MapCSSTypes.Area))
{ // the way is an area. check if it can be rendered as an area.
int fillColor;
if (rule.TryGetProperty("fillColor", out fillColor))
{ // render as an area.
uint?pointsId = scene.AddPoints(x, y);
if (pointsId.HasValue)
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetArea, zIndex), minZoom, maxZoom, fillColor, 1, true);
if (rule.TryGetProperty("color", out color))
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex), minZoom, maxZoom, color, 1, false);
}
}
renderAsLine = false; // was validly rendered als a line.
}
}
if (renderAsLine)
{ // was not rendered as an area.
// the way has to rendered as a line.
LineJoin lineJoin;
if (!rule.TryGetProperty("lineJoin", out lineJoin))
{
lineJoin = LineJoin.Miter;
}
int[] dashes;
if (!rule.TryGetProperty("dashes", out dashes))
{
dashes = null;
}
if (rule.TryGetProperty("color", out color))
{
float casingWidth;
int casingColor;
if (!rule.TryGetProperty("casingWidth", out casingWidth))
{
casingWidth = 0;
}
if (!rule.TryGetProperty("casingColor", out casingColor))
{ // casing: use the casing layer.
casingColor = -1;
}
float width;
if (!rule.TryGetProperty("width", out width))
{
width = 1;
}
uint?pointsId = scene.AddPoints(x, y);
if (pointsId.HasValue)
{
if (casingWidth > 0)
{ // adds the casing
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex),
minZoom, maxZoom, casingColor, width + (casingWidth * 2), lineJoin, dashes);
}
if (dashes == null)
{ // dashes not set, use line offset.
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetLine, zIndex),
minZoom, maxZoom, color, width, lineJoin, dashes);
}
else
{ // dashes set, use line pattern offset.
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetLinePattern, zIndex),
minZoom, maxZoom, color, width, lineJoin, dashes);
}
int textColor;
int fontSize;
string nameTag;
if (!rule.TryGetProperty("fontSize", out fontSize))
{
fontSize = 10;
}
if (rule.TryGetProperty("text", out nameTag) &&
rule.TryGetProperty("textColor", out textColor))
{
int haloColor;
int?haloColorNullable = null;
if (rule.TryGetProperty("textHaloColor", out haloColor))
{
haloColorNullable = haloColor;
}
int haloRadius;
int?haloRadiusNullable = null;
if (rule.TryGetProperty("textHaloRadius", out haloRadius))
{
haloRadiusNullable = haloRadius;
}
string fontFamily;
if (!rule.TryGetProperty("fontFamily", out fontFamily))
{
fontFamily = "Arial"; // just some default font.
}
string name;
if (way.Tags.TryGetValue(nameTag, out name))
{
scene.AddStyleLineText(pointsId.Value, this.CalculateSceneLayer(OffsetLineText, zIndex),
minZoom, maxZoom, textColor, fontSize, name, fontFamily, haloColorNullable, haloRadiusNullable);
}
}
}
}
}
}
}
}
/// <summary>
/// Converts this tile definition into a projected box.
/// </summary>
/// <param name="projection"></param>
/// <returns></returns>
public BoxF2D ToBox(IProjection projection)
{
double left = projection.LongitudeToX(this.TopLeft[0]);
double right = projection.LongitudeToX(this.BottomRight[0]);
double bottom = projection.LatitudeToY(this.BottomRight[1]);
double top = projection.LatitudeToY(this.TopLeft[1]);
return new BoxF2D(left, bottom, right, top);
}
/// <summary>
/// Translates a way.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="way"></param>
/// <param name="relevantTags"></param>
private bool TranslateWay(Scene2D scene, IProjection projection, CompleteWay way, TagsCollectionBase relevantTags)
{
// build the rules.
List<MapCSSRuleProperties> rules = null;
if (!_succesfullWays.TryGetValue(relevantTags, out rules))
{
rules = this.BuildRules(new MapCSSObject(way));
_succesfullWays.Add(relevantTags, rules);
}
// validate what's there.
if (rules.Count == 0)
{
return false;
}
bool success = false;
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] {x, y}, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
// add the z-index.
foreach (var rule in rules)
{
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
int zIndex ;
if (!rule.TryGetProperty<int>("zIndex", out zIndex))
{
zIndex = 0;
}
// interpret the results.
if (x != null &&
x.Length > 1)
{ // there is a valid interpretation of this way.
int color;
bool renderAsLine = true;
if (way.IsOfType(MapCSSTypes.Area))
{ // the way is an area. check if it can be rendered as an area.
int fillColor;
if (rule.TryGetProperty("fillColor", out fillColor))
{ // render as an area.
uint? pointsId = scene.AddPoints(x, y);
if (pointsId.HasValue)
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetArea, zIndex), minZoom, maxZoom, fillColor, 1, true);
success = true;
if (rule.TryGetProperty("color", out color))
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex), minZoom, maxZoom, color, 1, false);
success = true;
}
}
renderAsLine = false; // was validly rendered als a line.
}
}
if (renderAsLine)
{ // was not rendered as an area.
// the way has to rendered as a line.
LineJoin lineJoin;
if (!rule.TryGetProperty("lineJoin", out lineJoin))
{
lineJoin = LineJoin.Miter;
}
int[] dashes;
if (!rule.TryGetProperty("dashes", out dashes))
{
dashes = null;
}
if (rule.TryGetProperty("color", out color))
{
float casingWidth;
int casingColor;
if (!rule.TryGetProperty("casingWidth", out casingWidth))
{
casingWidth = 0;
}
if (!rule.TryGetProperty("casingColor", out casingColor))
{ // casing: use the casing layer.
casingColor = -1;
}
float width;
if (!rule.TryGetProperty("width", out width))
{
width = 1;
}
uint? pointsId = scene.AddPoints(x, y);
success = true;
if (pointsId.HasValue)
{
if (casingWidth > 0)
{ // adds the casing
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex),
minZoom, maxZoom, casingColor, width + (casingWidth * 2), lineJoin, dashes);
}
if (dashes == null)
{ // dashes not set, use line offset.
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetLine, zIndex),
minZoom, maxZoom, color, width, lineJoin, dashes);
}
else
{ // dashes set, use line pattern offset.
scene.AddStyleLine(pointsId.Value, this.CalculateSceneLayer(OffsetLinePattern, zIndex),
minZoom, maxZoom, color, width, lineJoin, dashes);
}
int textColor;
int fontSize;
string nameTag;
if (!rule.TryGetProperty("fontSize", out fontSize))
{
fontSize = 10;
}
if (rule.TryGetProperty("text", out nameTag) &&
rule.TryGetProperty("textColor", out textColor))
{
int haloColor;
int? haloColorNullable = null;
if (rule.TryGetProperty("textHaloColor", out haloColor))
{
haloColorNullable = haloColor;
}
int haloRadius;
int? haloRadiusNullable = null;
if (rule.TryGetProperty("textHaloRadius", out haloRadius))
{
haloRadiusNullable = haloRadius;
}
string fontFamily;
if (!rule.TryGetProperty("fontFamily", out fontFamily))
{
fontFamily = "Arial"; // just some default font.
}
string name;
if (way.Tags.TryGetValue(nameTag, out name))
{
scene.AddStyleLineText(pointsId.Value, this.CalculateSceneLayer(OffsetLineText, zIndex),
minZoom, maxZoom, textColor, fontSize, name, fontFamily, haloColorNullable, haloRadiusNullable);
}
}
}
}
}
}
else
{ // don't report as an error when no nodes.
success = true;
}
}
if(!success)
{ // make sure this sucess is stored.
_succesfullWays[relevantTags] = null;
}
return success;
}
/// <summary>
/// Translates a node.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="node"></param>
private void TranslateNode(Scene2D scene, IProjection projection, Node node)
{
// build the rules.
IEnumerable<MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(node));
// interpret the results.
foreach (var rule in rules)
{
int zIndex;
if (!rule.TryGetProperty<int>("zIndex", out zIndex))
{
zIndex = 0;
}
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
uint? pointId = null;
int color;
if (rule.TryGetProperty<int>("color", out color))
{
float width;
if (rule.TryGetProperty<float>("width", out width))
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, color, width);
}
else
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, color, 1);
}
}
byte[] iconImage;
if (rule.TryGetProperty("iconImage", out iconImage))
{
if (!pointId.HasValue)
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
}
// an icon is to be drawn!
ushort imageId = scene.AddImage(iconImage);
scene.AddIcon(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, imageId);
}
string text;
if (rule.TryGetProperty("text", out text))
{
int textColor;
if(!rule.TryGetProperty("textColor", out textColor))
{
textColor = SimpleColor.FromKnownColor(KnownColor.Black).Value;
}
int haloColor;
int? haloColorNullable = null;
if (rule.TryGetProperty("textHaloColor", out haloColor))
{
haloColorNullable = haloColor;
}
int haloRadius;
int? haloRadiusNullable = null;
if (rule.TryGetProperty("textHaloRadius", out haloRadius))
{
haloRadiusNullable = haloRadius;
}
int fontSize;
if (!rule.TryGetProperty("fontSize", out fontSize))
{
fontSize = 10;
}
string fontFamily;
if (!rule.TryGetProperty ("fontFamily", out fontFamily))
{
fontFamily = "Arial"; // just some default font.
}
// a text is to be drawn.
string value;
if (node.Tags.TryGetValue(text, out value))
{
if (!pointId.HasValue)
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
}
scene.AddText(pointId.Value, this.CalculateSceneLayer(OffsetPointText, zIndex), minZoom, maxZoom, fontSize, value, textColor,
haloColorNullable, haloRadiusNullable, fontFamily);
}
}
}
}
/// <summary>
/// Translates a lineair ring.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="lineairRing"></param>
private void TranslateLineairRing(Scene2D scene, IProjection projection, LineairRing lineairRing)
{
// build the rules.
List<MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(lineairRing));
// validate what's there.
if (rules.Count == 0)
{
return;
}
// get x/y.
double[] x = null, y = null;
if (lineairRing.Coordinates != null &&
lineairRing.Coordinates.Count > 0)
{ // pre-calculate x/y.
x = new double[lineairRing.Coordinates.Count];
y = new double[lineairRing.Coordinates.Count];
for (int idx = 0; idx < lineairRing.Coordinates.Count; idx++)
{
x[idx] = projection.LongitudeToX(
lineairRing.Coordinates[idx].Longitude);
y[idx] = projection.LatitudeToY(
lineairRing.Coordinates[idx].Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
// add the z-index.
foreach (var rule in rules)
{
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
int zIndex;
if (!rule.TryGetProperty<int>("zIndex", out zIndex))
{
zIndex = 0;
}
// interpret the results.
if (x != null)
{ // there is a valid interpretation of this way.
int color;
int fillColor;
if (rule.TryGetProperty("fillColor", out fillColor))
{ // render as an area.
float fillOpacity;
if(rule.TryGetProperty("fillOpacity", out fillOpacity))
{
SimpleColor simpleFillColor = new SimpleColor() { Value = fillColor };
fillColor = SimpleColor.FromArgb((int)(255 * fillOpacity),
simpleFillColor.R, simpleFillColor.G, simpleFillColor.B).Value;
}
uint? pointsId = scene.AddPoints(x, y);
if (pointsId.HasValue)
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetArea, zIndex), minZoom, maxZoom, fillColor, 1, true);
if (rule.TryGetProperty("color", out color))
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex), minZoom, maxZoom, color, 1, false);
}
}
}
}
}
}
/// <summary>
/// Translates OSM objects into basic renderable primitives.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="osmGeo">The osm object.</param>
/// <returns></returns>
public override void Translate(Scene2D scene, IProjection projection, ICompleteOsmGeo osmGeo)
{
// set the scene backcolor.
scene.BackColor = this.GetCanvasColor().Value;
if (osmGeo == null) { return; }
if (_mapCSSFile == null) { return; }
// store the object count.
int countBefore = scene.Count;
// interpret the osm-objects.
switch (osmGeo.Type)
{
case CompleteOsmType.Node:
if (!_mapCSSFile.HasNodeIdSelector &&
osmGeo.Tags.Count == 0)
{ // this node can never be selected, no tags and no id selectors.
break;
}
if (!_mapCSSFile.HasNodeIdSelector &&
_keysForNodes != null &&
!osmGeo.Tags.ContainsOneOfKeys(_keysForNodes))
{ // no good keys present.
break;
}
this.TranslateNode(scene, projection, osmGeo as Node);
break;
case CompleteOsmType.Way:
var relevantWayTags = osmGeo.Tags;
if (_keysForWays != null)
{ // filter the collection.
relevantWayTags = relevantWayTags.KeepKeysOf(_keysForWays);
}
if (!_mapCSSFile.HasWayIdSelector &&
_keysForWays != null &&
relevantWayTags.Count == 0)
{ // no good keys present.
break;
}
if (!_unsuccesfullWays.Contains(relevantWayTags))
{ // way has some potential.
var completeWay = osmGeo as CompleteWay;
if (completeWay.Nodes.Count > 0 && !this.TranslateWay(scene, projection, completeWay, relevantWayTags))
{ // ... but translate was unsuccesfull.
_unsuccesfullWays.Add(relevantWayTags);
}
}
break;
case CompleteOsmType.Relation:
if (!_mapCSSFile.HasRelationIdSelector &&
_keysForRelations != null &&
!osmGeo.Tags.ContainsOneOfKeys(_keysForRelations))
{ // no good keys present.
break;
}
this.TranslateRelation(scene, projection, osmGeo as CompleteRelation);
break;
}
// interpret the osmGeo object and check if it makes up an area.
if (osmGeo.Type != CompleteOsmType.Node)
{ // nodes cannot lead to a geometry for MapCSS.
if (_keysForLines == null || osmGeo.Tags.ContainsOneOfKeys(_keysForLines) ||
_keysForAreas == null || osmGeo.Tags.ContainsOneOfKeys(_keysForAreas))
{ // good keys present.
var collection = _geometryInterpreter.Interpret(osmGeo);
foreach (Geometry geometry in collection)
{
if (geometry is LineairRing)
{ // a simple lineair ring.
this.TranslateLineairRing(scene, projection, geometry as LineairRing);
}
else if (geometry is Polygon)
{ // a simple polygon.
this.TranslatePolygon(scene, projection, geometry as Polygon);
}
else if (geometry is MultiPolygon)
{ // a multipolygon.
this.TranslateMultiPolygon(scene, projection, geometry as MultiPolygon);
}
}
}
}
// check if any objects have been added to the scene.
if (scene.Count <= countBefore)
{ // no objects have been added. Apply default styles if needed.
if (osmGeo.Type == CompleteOsmType.Node &&
_mapCSSFile != null &&
_mapCSSFile.DefaultPoints)
{ // apply default points style.
Node node = (osmGeo as Node);
uint pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude), projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId, this.CalculateSceneLayer(OffsetPoint, 0), float.MinValue, float.MaxValue,
SimpleColor.FromKnownColor(KnownColor.Black).Value, 2);
}
else if (osmGeo.Type == CompleteOsmType.Way &&
_mapCSSFile != null &&
_mapCSSFile.DefaultLines)
{ // apply default lines style.
CompleteWay way = (osmGeo as CompleteWay);
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
uint? points = scene.AddPoints(x, y);
if (points.HasValue)
{
scene.AddStyleLine(points.Value, this.CalculateSceneLayer(OffsetLine, 0), float.MinValue, float.MaxValue,
SimpleColor.FromKnownColor(KnownColor.Red).Value, 1, LineJoin.Round, null);
}
}
}
}
/// <summary>
/// Translates a lineair ring.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="lineairRing"></param>
private void TranslateLineairRing(Scene2D scene, IProjection projection, LineairRing lineairRing)
{
// build the rules.
List <MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(lineairRing));
// validate what's there.
if (rules.Count == 0)
{
return;
}
// get x/y.
double[] x = null, y = null;
if (lineairRing.Coordinates != null &&
lineairRing.Coordinates.Count > 0)
{ // pre-calculate x/y.
x = new double[lineairRing.Coordinates.Count];
y = new double[lineairRing.Coordinates.Count];
for (int idx = 0; idx < lineairRing.Coordinates.Count; idx++)
{
x[idx] = projection.LongitudeToX(
lineairRing.Coordinates[idx].Longitude);
y[idx] = projection.LatitudeToY(
lineairRing.Coordinates[idx].Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
// add the z-index.
foreach (var rule in rules)
{
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
int zIndex;
if (!rule.TryGetProperty <int>("zIndex", out zIndex))
{
zIndex = 0;
}
// interpret the results.
if (x != null)
{ // there is a valid interpretation of this way.
int color;
int fillColor;
if (rule.TryGetProperty("fillColor", out fillColor))
{ // render as an area.
float fillOpacity;
if (rule.TryGetProperty("fillOpacity", out fillOpacity))
{
SimpleColor simpleFillColor = new SimpleColor()
{
Value = fillColor
};
fillColor = SimpleColor.FromArgb((int)(255 * fillOpacity),
simpleFillColor.R, simpleFillColor.G, simpleFillColor.B).Value;
}
uint?pointsId = scene.AddPoints(x, y);
if (pointsId.HasValue)
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetArea, zIndex), minZoom, maxZoom, fillColor, 1, true);
if (rule.TryGetProperty("color", out color))
{
scene.AddStylePolygon(pointsId.Value, this.CalculateSceneLayer(OffsetCasing, zIndex), minZoom, maxZoom, color, 1, false);
}
}
}
}
}
}
/// <summary>
/// Loads the tiles.
/// </summary>
private void TilesLoading(object projectionParam)
{
IProjection projection = null;
if (projectionParam is IProjection)
{ // the argument has to a projection.
projection = projectionParam as IProjection;
}
if (projection == null)
{
throw new ArgumentException("Argument not of type IProjection.");
}
while (true)
{
for (int idx = 0; idx < 10; idx++)
{
Tile tile = null;
lock (_tilesStack)
{
// load the stacked tiles.
if (_tilesStack.Count > 0)
{
// the tiles stack contains at least some tiles.
tile = _tilesStack.Pop();
}
}
// load the tile
if (tile != null)
{
// a tile was found to load.
string url = string.Format(_tilesURL,
tile.Zoom,
tile.X,
tile.Y);
// get file from tile server.
var request = (HttpWebRequest)HttpWebRequest.Create(
url);
request.Accept = "text/html, image/png, image/jpeg, image/gif, */*";
request.UserAgent = "OsmSharp/4.0";
request.Timeout = 1000;
WebResponse myResp = request.GetResponse();
Stream stream = myResp.GetResponseStream();
byte[] image = null;
if (stream != null)
{
// there is data: read it.
var memoryStream = new MemoryStream();
stream.CopyTo(memoryStream);
image = memoryStream.ToArray();
}
if (image != null)
{
// data was read create the scene object.
lock (this.Scene)
{
float minZoom = (float)projection.ToZoomFactor(tile.Zoom - 0.5f);
float maxZoom = (float)projection.ToZoomFactor(tile.Zoom + 0.5f);
float left = (float)projection.LongitudeToX(tile.TopLeft.Longitude);
float right = (float)projection.LongitudeToX(tile.BottomRight.Longitude);
float bottom = (float)projection.LatitudeToY(tile.BottomRight.Latitude);
float top = (float)projection.LatitudeToY(tile.TopLeft.Latitude);
this.Scene.AddImage(0, minZoom, maxZoom, left, top, right, bottom,
image);
}
if (this.LayerChanged != null)
{
this.LayerChanged(this);
}
}
}
}
System.Threading.Thread.Sleep(100);
}
}
/// <summary>
/// Translates a node.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="node"></param>
private void TranslateNode(Scene2D scene, IProjection projection, CompleteNode node)
{
// build the rules.
IEnumerable <MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(node));
// interpret the results.
foreach (var rule in rules)
{
int zIndex;
if (!rule.TryGetProperty <int>("zIndex", out zIndex))
{
zIndex = 0;
}
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
uint?pointId = null;
int color;
if (rule.TryGetProperty <int>("color", out color))
{
float width;
if (rule.TryGetProperty <float>("width", out width))
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, color, width);
}
else
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, color, 1);
}
}
byte[] iconImage;
if (rule.TryGetProperty("iconImage", out iconImage))
{
if (!pointId.HasValue)
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
}
// an icon is to be drawn!
ushort imageId = scene.AddImage(iconImage);
scene.AddIcon(pointId.Value, this.CalculateSceneLayer(OffsetPoint, zIndex), minZoom, maxZoom, imageId);
}
string text;
if (rule.TryGetProperty("text", out text))
{
int textColor;
if (!rule.TryGetProperty("textColor", out textColor))
{
textColor = SimpleColor.FromKnownColor(KnownColor.Black).Value;
}
int haloColor;
int?haloColorNullable = null;
if (rule.TryGetProperty("textHaloColor", out haloColor))
{
haloColorNullable = haloColor;
}
int haloRadius;
int?haloRadiusNullable = null;
if (rule.TryGetProperty("textHaloRadius", out haloRadius))
{
haloRadiusNullable = haloRadius;
}
int fontSize;
if (!rule.TryGetProperty("fontSize", out fontSize))
{
fontSize = 10;
}
string fontFamily;
if (!rule.TryGetProperty("fontFamily", out fontFamily))
{
fontFamily = "Arial"; // just some default font.
}
// a text is to be drawn.
string value;
if (node.Tags.TryGetValue(text, out value))
{
if (!pointId.HasValue)
{
pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude),
projection.LatitudeToY(node.Coordinate.Latitude));
}
scene.AddText(pointId.Value, this.CalculateSceneLayer(OffsetPointText, zIndex), minZoom, maxZoom, fontSize, value, textColor,
haloColorNullable, haloRadiusNullable, fontFamily);
}
}
}
}
/// <summary>
/// Translates OSM objects into basic renderable primitives.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="osmGeo">The osm object.</param>
/// <returns></returns>
public override void Translate(Scene2D scene, IProjection projection, CompleteOsmGeo osmGeo)
{
// set the scene backcolor.
scene.BackColor = this.GetCanvasColor().Value;
if (osmGeo == null)
{
return;
}
// store the object count.
int countBefore = scene.Count;
// interpret the osm-objects.
switch (osmGeo.Type)
{
case CompleteOsmType.Node:
this.TranslateNode(scene, projection, osmGeo as CompleteNode);
break;
case CompleteOsmType.Way:
this.TranslateWay(scene, projection, osmGeo as CompleteWay);
break;
case CompleteOsmType.Relation:
this.TranslateRelation(scene, projection, osmGeo as CompleteRelation);
break;
case CompleteOsmType.ChangeSet:
break;
default:
throw new ArgumentOutOfRangeException();
}
// interpret the osmGeo object and check if it makes up an area.
GeometryCollection collection = _geometryInterpreter.Interpret(osmGeo);
foreach (Geometry geometry in collection)
{
if (geometry is LineairRing)
{ // a simple lineair ring.
this.TranslateLineairRing(scene, projection, geometry as LineairRing);
}
else if (geometry is Polygon)
{ // a simple polygon.
this.TranslatePolygon(scene, projection, geometry as Polygon);
}
else if (geometry is MultiPolygon)
{ // a multipolygon.
this.TranslateMultiPolygon(scene, projection, geometry as MultiPolygon);
}
}
// check if any objects have been added to the scene.
if (scene.Count <= countBefore)
{ // no objects have been added. Apply default styles if needed.
if (osmGeo.Type == CompleteOsmType.Node &&
_mapCSSFile != null &&
_mapCSSFile.DefaultPoints)
{ // apply default points style.
CompleteNode node = (osmGeo as CompleteNode);
uint pointId = scene.AddPoint(projection.LongitudeToX(node.Coordinate.Longitude), projection.LatitudeToY(node.Coordinate.Latitude));
scene.AddStylePoint(pointId, this.CalculateSceneLayer(OffsetPoint, 0), float.MinValue, float.MaxValue,
SimpleColor.FromKnownColor(KnownColor.Black).Value, 2);
}
else if (osmGeo.Type == CompleteOsmType.Way &&
_mapCSSFile != null &&
_mapCSSFile.DefaultLines)
{ // apply default lines style.
CompleteWay way = (osmGeo as CompleteWay);
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
uint?points = scene.AddPoints(x, y);
if (points.HasValue)
{
scene.AddStyleLine(points.Value, this.CalculateSceneLayer(OffsetLine, 0), float.MinValue, float.MaxValue,
SimpleColor.FromKnownColor(KnownColor.Red).Value, 1, LineJoin.Round, null);
}
}
}
}
/// <summary>
/// Translates a way.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="way"></param>
private void TranslateWay(Scene2D scene, IProjection projection, CompleteWay way)
{
// build the rules.
List<MapCSSRuleProperties> rules =
this.BuildRules(new MapCSSObject(way));
// validate what's there.
if (rules.Count == 0)
{
return;
}
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] {x, y}, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
// add the z-index.
foreach (var rule in rules)
{
float minZoom = (float)projection.ToZoomFactor(rule.MinZoom);
float maxZoom = (float)projection.ToZoomFactor(rule.MaxZoom);
int zIndex ;
if (!rule.TryGetProperty<int>("zIndex", out zIndex))
{
zIndex = 0;
}
// interpret the results.
if (x != null)
{ // there is a valid interpretation of this way.
int color;
if (way.IsOfType(MapCSSTypes.Area))
{ // the way is an area. check if it can be rendered as an area.
int fillColor;
if (rule.TryGetProperty("fillColor", out fillColor))
{ // render as an area.
scene.AddPolygon(this.CalculateSceneLayer(OffsetArea, zIndex), minZoom, maxZoom, x, y, fillColor, 1, true);
if (rule.TryGetProperty("color", out color))
{
scene.AddPolygon(this.CalculateSceneLayer(OffsetCasing, zIndex), minZoom, maxZoom, x, y, color, 1, false);
}
}
}
// the way has to rendered as a line.
LineJoin lineJoin;
if (!rule.TryGetProperty("lineJoin", out lineJoin))
{
lineJoin = LineJoin.Miter;
}
int[] dashes;
if (!rule.TryGetProperty("dashes", out dashes))
{
dashes = null;
}
if (rule.TryGetProperty("color", out color))
{
float casingWidth;
int casingColor;
if (!rule.TryGetProperty("casingWidth", out casingWidth))
{
casingWidth = 0;
}
if(!rule.TryGetProperty("casingColor", out casingColor))
{ // casing: use the casing layer.
casingColor = -1;
}
float width;
if (!rule.TryGetProperty("width", out width))
{
width = 1;
}
if (casingWidth > 0)
{ // adds the casing
scene.AddLine(this.CalculateSceneLayer(OffsetCasing, zIndex),
minZoom, maxZoom, x, y, casingColor, width + (casingWidth * 2), lineJoin, dashes);
}
if (dashes == null)
{ // dashes not set, use line offset.
scene.AddLine(this.CalculateSceneLayer(OffsetLine, zIndex),
minZoom, maxZoom, x, y, color, width, lineJoin, dashes);
}
else
{ // dashes set, use line pattern offset.
scene.AddLine(this.CalculateSceneLayer(OffsetLinePattern, zIndex),
minZoom, maxZoom, x, y, color, width, lineJoin, dashes);
}
int textColor;
int fontSize;
string nameTag;
if (!rule.TryGetProperty("fontSize", out fontSize))
{
fontSize = 10;
}
if (rule.TryGetProperty("text", out nameTag) &&
rule.TryGetProperty("textColor", out textColor))
{
int haloColor;
int? haloColorNullable = null;
if (rule.TryGetProperty("textHaloColor", out haloColor))
{
haloColorNullable = haloColor;
}
int haloRadius;
int? haloRadiusNullable = null;
if (rule.TryGetProperty("textHaloRadius", out haloRadius))
{
haloRadiusNullable = haloRadius;
}
string name;
if (way.Tags.TryGetValue(nameTag, out name))
{
scene.AddTextLine(this.CalculateSceneLayer(OffsetLineText, zIndex),
minZoom, maxZoom, x, y, textColor, fontSize, name, haloColorNullable, haloRadiusNullable);
}
}
}
}
}
}
/// <summary>
/// Translates OSM objects into basic renderable primitives.
/// </summary>
/// <param name="scene">The scene to add primitives to.</param>
/// <param name="projection">The projection used to convert the objects.</param>
/// <param name="osmGeo">The osm object.</param>
/// <returns></returns>
public override void Translate(Scene2D scene, IProjection projection, CompleteOsmGeo osmGeo)
{
// set the scene backcolor.
scene.BackColor = this.GetCanvasColor().Value;
if (osmGeo == null) { return; }
// store the object count.
int countBefore = scene.Count;
// interpret the osm-objects.
switch (osmGeo.Type)
{
case CompleteOsmType.Node:
this.TranslateNode(scene, projection, osmGeo as CompleteNode);
break;
case CompleteOsmType.Way:
this.TranslateWay(scene, projection, osmGeo as CompleteWay);
break;
case CompleteOsmType.Relation:
this.TranslateRelation(scene, projection, osmGeo as CompleteRelation);
break;
case CompleteOsmType.ChangeSet:
break;
default:
throw new ArgumentOutOfRangeException();
}
// interpret the osmGeo object and check if it makes up an area.
GeometryCollection collection = _geometryInterpreter.Interpret(osmGeo);
foreach (Geometry geometry in collection)
{
if (geometry is LineairRing)
{ // a simple lineair ring.
this.TranslateLineairRing(scene, projection, geometry as LineairRing);
}
else if (geometry is Polygon)
{ // a simple polygon.
this.TranslatePolygon(scene, projection, geometry as Polygon);
}
else if (geometry is MultiPolygon)
{ // a multipolygon.
this.TranslateMultiPolygon(scene, projection, geometry as MultiPolygon);
}
}
// check if any objects have been added to the scene.
if (scene.Count <= countBefore)
{ // no objects have been added. Apply default styles if needed.
if (osmGeo.Type == CompleteOsmType.Node &&
_mapCSSFile != null &&
_mapCSSFile.DefaultPoints)
{ // apply default points style.
CompleteNode node = (osmGeo as CompleteNode);
scene.AddPoint(this.CalculateSceneLayer(OffsetPoint, 0), float.MinValue, float.MaxValue,
projection.LongitudeToX(node.Coordinate.Longitude), projection.LatitudeToY(node.Coordinate.Latitude),
SimpleColor.FromKnownColor(KnownColor.Black).Value, 2);
}
else if (osmGeo.Type == CompleteOsmType.Way &&
_mapCSSFile != null &&
_mapCSSFile.DefaultLines)
{ // apply default lines style.
CompleteWay way = (osmGeo as CompleteWay);
// get x/y.
double[] x = null, y = null;
if (x == null)
{ // pre-calculate x/y.
x = new double[way.Nodes.Count];
y = new double[way.Nodes.Count];
for (int idx = 0; idx < way.Nodes.Count; idx++)
{
x[idx] = projection.LongitudeToX(
way.Nodes[idx].Coordinate.Longitude);
y[idx] = projection.LatitudeToY(
way.Nodes[idx].Coordinate.Latitude);
}
// simplify.
if (x.Length > 2)
{
double[][] simplified = SimplifyCurve.Simplify(new double[][] { x, y }, 0.0001);
x = simplified[0];
y = simplified[1];
}
}
scene.AddLine(this.CalculateSceneLayer(OffsetLine, 0), float.MinValue, float.MaxValue,
x, y, SimpleColor.FromKnownColor(KnownColor.Red).Value, 1, LineJoin.Round, null);
}
}
}
/// <summary>
/// Adds a new GPX.
/// </summary>
/// <param name="stream">Stream.</param>
public GeoCoordinateBox AddGpx(Stream stream)
{
GeoCoordinateBox bounds = null;
var gpxStream = new GpxGeoStreamSource(stream);
foreach (var geometry in gpxStream)
{
if (geometry is Point)
{ // add the point.
var point = (geometry as Point);
// get x/y.
var x = _projection.LongitudeToX(point.Coordinate.Longitude);
var y = _projection.LatitudeToY(point.Coordinate.Latitude);
// set the default color if none is given.
SimpleColor blue = SimpleColor.FromKnownColor(KnownColor.Blue);
SimpleColor transparantBlue = SimpleColor.FromArgb(128,
blue.R, blue.G, blue.B);
uint pointId = _scene.AddPoint(x, y);
_scene.AddStylePoint(pointId, 0, float.MinValue, float.MaxValue, transparantBlue.Value, 8);
if (bounds == null)
{ // create box.
bounds = point.Box;
}
else
{ // add to the current box.
bounds = bounds + point.Box;
}
}
else if (geometry is LineString)
{ // add the lineString.
var lineString = (geometry as LineString);
// get x/y.
var x = new double[lineString.Coordinates.Count];
var y = new double[lineString.Coordinates.Count];
for (int idx = 0; idx < lineString.Coordinates.Count; idx++)
{
x[idx] = _projection.LongitudeToX(
lineString.Coordinates[idx].Longitude);
y[idx] = _projection.LatitudeToY(
lineString.Coordinates[idx].Latitude);
}
// set the default color if none is given.
SimpleColor blue = SimpleColor.FromKnownColor(KnownColor.Blue);
SimpleColor transparantBlue = SimpleColor.FromArgb(128,
blue.R, blue.G, blue.B);
uint?pointsId = _scene.AddPoints(x, y);
if (pointsId.HasValue)
{
_scene.AddStyleLine(pointsId.Value, 0, float.MinValue, float.MaxValue, transparantBlue.Value, 8, Renderer.Primitives.LineJoin.Round, null);
if (bounds == null)
{ // create box.
bounds = lineString.Box;
}
else
{ // add to the current box.
bounds = bounds + lineString.Box;
}
}
}
}
return(bounds);
}