protected override GLMapMarkerLayer RunInBackground(params Java.Lang.Void[] voids)
{
GLMapMarkerLayer rv;
try
{
Log.Warn("GLMapView", "Start parsing");
GLMapVectorObjectList objects = GLMapVectorObject.CreateFromGeoJSONStream(outerInstance.Assets.Open("cluster_data.json"));
Log.Warn("GLMapView", "Finish parsing");
GLMapBBox bbox = objects.BBox;
outerInstance.RunOnUiThread(() =>
{
outerInstance.mapView.SetMapCenter(bbox.Center(), false);
outerInstance.mapView.SetMapZoom(outerInstance.mapView.MapZoomForBBox(bbox, outerInstance.mapView.Width, outerInstance.mapView.Height), false);
});
Log.Warn("GLMapView", "Start creating layer");
rv = new GLMapMarkerLayer(objects.ToArray(), style);
Log.Warn("GLMapView", "Finish creating layer");
objects.Dispose();
}
catch (Java.Lang.Exception)
{
rv = null;
}
return(rv);
}
internal virtual void addPolygon()
{
int pointCount = 25;
MapGeoPoint[] outerRing = new MapGeoPoint[pointCount];
MapGeoPoint[] innerRing = new MapGeoPoint[pointCount];
float rOuter = 20, rInner = 10;
float cx = 30, cy = 30;
// let's display circle
for (int i = 0; i < pointCount; i++)
{
outerRing[i] = new MapGeoPoint(cx + System.Math.Sin(2 * System.Math.PI / pointCount * i) * rOuter, cy + System.Math.Cos(2 * System.Math.PI / pointCount * i) * rOuter);
innerRing[i] = new MapGeoPoint(cx + System.Math.Sin(2 * System.Math.PI / pointCount * i) * rInner, cy + System.Math.Cos(2 * System.Math.PI / pointCount * i) * rInner);
}
MapGeoPoint[][] outerRings = new MapGeoPoint[][] { outerRing };
MapGeoPoint[][] innerRings = new MapGeoPoint[][] { innerRing };
GLMapVectorObject obj = GLMapVectorObject.CreatePolygonGeo(outerRings, innerRings);
mapView.AddVectorObjectWithStyle(obj, GLMapVectorCascadeStyle.CreateStyle("area{fill-color:#10106050; fill-color:#10106050; width:4pt; color:green;}"), null); // #RRGGBBAA format
}
public override void FillData(Java.Lang.Object marker, long nativeMarker)
{
if (marker is GLMapVectorObject)
{
GLMapVectorObject obj = (GLMapVectorObject)marker;
GLMapMarkerStyleCollection.SetMarkerLocationFromVectorObject(nativeMarker, obj);
}
GLMapMarkerStyleCollection.SetMarkerStyle(nativeMarker, 0);
}
internal virtual void addMarkerAsVectorObject(float x, float y)
{
if (markerLayer != null)
{
GLMapVectorObject[] newMarkers = new GLMapVectorObject[1];
newMarkers[0] = GLMapVectorObject.CreatePoint(mapView.ConvertDisplayToInternal(new MapPoint(x, y)));
markerLayer.Modify(newMarkers, null, null, true, () =>
{
Log.Debug("MarkerLayer", "Marker added");
});
}
}
private void loadGeoJSON()
{
GLMapVectorObjectList objects = GLMapVectorObject.CreateFromGeoJSON(
"[{\"type\": \"Feature\", \"geometry\": {\"type\": \"Point\", \"coordinates\": [30.5186, 50.4339]}, \"properties\": {\"id\": \"1\", \"text\": \"test1\"}},"
+ "{\"type\": \"Feature\", \"geometry\": {\"type\": \"Point\", \"coordinates\": [27.7151, 53.8869]}, \"properties\": {\"id\": \"2\", \"text\": \"test2\"}},"
+ "{\"type\":\"LineString\",\"coordinates\": [ [27.7151, 53.8869], [30.5186, 50.4339], [21.0103, 52.2251], [13.4102, 52.5037], [2.3343, 48.8505]]},"
+ "{\"type\":\"Polygon\",\"coordinates\":[[ [0.0, 10.0], [10.0, 10.0], [10.0, 20.0], [0.0, 20.0] ],[ [2.0, 12.0], [ 8.0, 12.0], [ 8.0, 18.0], [2.0, 18.0] ]]}]");
GLMapVectorCascadeStyle style = GLMapVectorCascadeStyle.CreateStyle(
"node[id=1]{icon-image:\"bus.svgpb\";icon-scale:0.5;icon-tint:green;text:eval(tag('text'));text-color:red;font-size:12;text-priority:100;}"
+ "node|z-9[id=2]{icon-image:\"bus.svgpb\";icon-scale:0.7;icon-tint:blue;text:eval(tag('text'));text-color:red;font-size:12;text-priority:100;}"
+ "line{linecap: round; width: 5pt; color:blue;}"
+ "area{fill-color:green; width:1pt; color:red;}");
mapView.AddVectorObjectsWithStyle(objects.ToArray(), style);
}
public override void FillData(Java.Lang.Object marker, long nativeMarker)
{
if (marker is MapPoint)
{
GLMapMarkerStyleCollection.SetMarkerLocation(nativeMarker, (MapPoint)marker);
GLMapMarkerStyleCollection.SetMarkerText(nativeMarker, "Test", new Point(0, 0), textStyle);
}
else if (marker is GLMapVectorObject)
{
GLMapVectorObject obj = (GLMapVectorObject)marker;
GLMapMarkerStyleCollection.SetMarkerLocationFromVectorObject(nativeMarker, obj);
string name = obj.ValueForKey("name");
if (!string.ReferenceEquals(name, null))
{
GLMapMarkerStyleCollection.SetMarkerText(nativeMarker, name, new Point(0, 15 / 2), textStyle);
}
}
GLMapMarkerStyleCollection.SetMarkerStyle(nativeMarker, 0);
}
internal virtual void addMultiline()
{
MapPoint[] line1 = new MapPoint[5];
line1[0] = MapPoint.CreateFromGeoCoordinates(53.8869, 27.7151); // Minsk
line1[1] = MapPoint.CreateFromGeoCoordinates(50.4339, 30.5186); // Kiev
line1[2] = MapPoint.CreateFromGeoCoordinates(52.2251, 21.0103); // Warsaw
line1[3] = MapPoint.CreateFromGeoCoordinates(52.5037, 13.4102); // Berlin
line1[4] = MapPoint.CreateFromGeoCoordinates(48.8505, 2.3343); // Paris
MapPoint[] line2 = new MapPoint[3];
line2[0] = MapPoint.CreateFromGeoCoordinates(52.3690, 4.9021); // Amsterdam
line2[1] = MapPoint.CreateFromGeoCoordinates(50.8263, 4.3458); // Brussel
line2[2] = MapPoint.CreateFromGeoCoordinates(49.6072, 6.1296); // Luxembourg
MapPoint[][] multiline = new MapPoint[][] { line1, line2 };
GLMapVectorObject obj = GLMapVectorObject.CreateMultiline(multiline);
// style applied to all lines added. Style is string with mapcss rules. Read more in manual.
mapView.AddVectorObjectWithStyle(obj, GLMapVectorCascadeStyle.CreateStyle("line{width: 2pt;color:green;layer:100;}"), null);
}
