| 0,0 → 1,230 |
|---|
| |
| namespace GMap.NET.Projections |
| { |
| using System; |
| |
| /// <summary> |
| /// Plate Carrée (literally, “plane square”) projection |
| /// PROJCS["WGS 84 / World Equidistant Cylindrical",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137,298.257223563]],PRIMEM["Greenwich",0],UNIT["Degree",0.017453292519943295]],UNIT["Meter",1]] |
| /// |
| ///"spatialReference": |
| ///{"wkid":4326},"singleFusedMapCache":true,"tileInfo": |
| ///{"rows":256,"cols":256,"dpi":96,"format":"PNG8","compressionQuality":0, |
| ///"origin":{"x":-400,"y":400},"spatialReference":{"wkid":4326},"lods": |
| /// |
| ///[{"level":0,"resolution":0.0118973050291514,"scale":5000000}, |
| ///{"level":1,"resolution":0.0059486525145757,"scale":2500000}, |
| ///{"level":2,"resolution":0.00297432625728785,"scale":1250000}, |
| ///{"level":3,"resolution":0.00118973050291514,"scale":500000}, |
| ///{"level":4,"resolution":0.00059486525145757,"scale":250000}, |
| ///{"level":5,"resolution":0.000356919150874542,"scale":150000}, |
| ///{"level":6,"resolution":0.000178459575437271,"scale":75000}, |
| ///{"level":7,"resolution":0.000118973050291514,"scale":50000}, |
| ///{"level":8,"resolution":5.9486525145757E-05,"scale":25000}, |
| ///{"level":9,"resolution":3.56919150874542E-05,"scale":15000}, |
| ///{"level":10,"resolution":1.90356880466422E-05,"scale":8000}, |
| ///{"level":11,"resolution":9.51784402332112E-06,"scale":4000}, |
| ///{"level":12,"resolution":4.75892201166056E-06,"scale":2000}]}, |
| /// |
| ///"initialExtent": |
| ///{"xmin":42.1125196069871,"ymin":18.6650706214551,"xmax":65.698643558112 |
| ///4,"ymax":29.4472987133981,"spatialReference":{"wkid":4326}}, |
| /// |
| ///"fullExtent": |
| ///{"xmin":41.522866508209,"ymin":18.7071563263201,"xmax":66.2882966568906 |
| ///,"ymax":29.4052130085331,"spatialReference":{"wkid":4326}}, |
| /// |
| ///"units":"esriDecimalDegrees" |
| /// </summary> |
| public class PlateCarreeProjectionDarbAe : PureProjection |
| { |
| public static readonly PlateCarreeProjectionDarbAe Instance = new PlateCarreeProjectionDarbAe(); |
| |
| public static readonly double MinLatitude = 18.7071563263201; |
| public static readonly double MaxLatitude = 29.4052130085331; |
| public static readonly double MinLongitude = 41.522866508209; |
| public static readonly double MaxLongitude = 66.2882966568906; |
| |
| static readonly double orignX = -400; |
| static readonly double orignY = 400; |
| |
| public override RectLatLng Bounds |
| { |
| get |
| { |
| return RectLatLng.FromLTRB(MinLongitude, MaxLatitude, MaxLongitude, MinLatitude); |
| } |
| } |
| |
| GSize tileSize = new GSize(256, 256); |
| public override GSize TileSize |
| { |
| get |
| { |
| return tileSize; |
| } |
| } |
| |
| public override double Axis |
| { |
| get |
| { |
| return 6378137; |
| } |
| } |
| |
| public override double Flattening |
| { |
| get |
| { |
| return (1.0 / 298.257223563); |
| } |
| } |
| |
| public override GPoint FromLatLngToPixel(double lat, double lng, int zoom) |
| { |
| GPoint ret = GPoint.Empty; |
| |
| lat = Clip(lat, MinLatitude, MaxLatitude); |
| lng = Clip(lng, MinLongitude, MaxLongitude); |
| |
| /* |
| getContainingTileCoords:function(ti,_1dd,lod) |
| { |
| var to=ti.origin, |
| res=lod.resolution, |
| tmw=ti.width*res, |
| tmh=ti.height*res, |
| tc=Math.floor((_1dd.x-to.x)/tmw), |
| tr=Math.floor((to.y-_1dd.y)/tmh); |
| } |
| */ |
| |
| double res = GetTileMatrixResolution(zoom); |
| |
| ret.X = (long)Math.Floor((lng - orignX) / res); |
| ret.Y = (long)Math.Floor((orignY - lat) / res); |
| |
| return ret; |
| } |
| |
| public override PointLatLng FromPixelToLatLng(long x, long y, int zoom) |
| { |
| PointLatLng ret = PointLatLng.Empty; |
| |
| double res = GetTileMatrixResolution(zoom); |
| |
| ret.Lat = orignY - (y * res); |
| ret.Lng = (x * res) + orignX; |
| |
| return ret; |
| } |
| |
| public static double GetTileMatrixResolution(int zoom) |
| { |
| double ret = 0; |
| |
| switch(zoom) |
| { |
| #region -- sizes -- |
| case 0: |
| { |
| ret = 0.0118973050291514; |
| } |
| break; |
| |
| case 1: |
| { |
| ret = 0.0059486525145757; |
| } |
| break; |
| |
| case 2: |
| { |
| ret = 0.00297432625728785; |
| } |
| break; |
| |
| case 3: |
| { |
| ret = 0.00118973050291514; |
| } |
| break; |
| |
| case 4: |
| { |
| ret = 0.00059486525145757; |
| } |
| break; |
| |
| case 5: |
| { |
| ret = 0.000356919150874542; |
| } |
| break; |
| |
| case 6: |
| { |
| ret = 0.000178459575437271; |
| } |
| break; |
| |
| case 7: |
| { |
| ret = 0.000118973050291514; |
| } |
| break; |
| |
| case 8: |
| { |
| ret = 5.9486525145757E-05; |
| } |
| break; |
| |
| case 9: |
| { |
| ret = 3.56919150874542E-05; |
| } |
| break; |
| |
| case 10: |
| { |
| ret = 1.90356880466422E-05; |
| } |
| break; |
| |
| case 11: |
| { |
| ret = 9.51784402332112E-06; |
| } |
| break; |
| |
| case 12: |
| { |
| ret = 4.75892201166056E-06; |
| } |
| break; |
| #endregion |
| } |
| |
| return ret; |
| } |
| |
| public override double GetGroundResolution(int zoom, double latitude) |
| { |
| return GetTileMatrixResolution(zoom); |
| } |
| |
| public override GSize GetTileMatrixMaxXY(int zoom) |
| { |
| var maxPx = FromLatLngToPixel(MinLatitude, MaxLongitude, zoom); |
| return new GSize(FromPixelToTileXY(maxPx)); |
| } |
| |
| public override GSize GetTileMatrixMinXY(int zoom) |
| { |
| var minPx = FromLatLngToPixel(MaxLatitude, MinLongitude, zoom); |
| return new GSize(FromPixelToTileXY(minPx)); |
| } |
| } |
| } |