jGeoTile
Java package to handle tiles and points of different projections, in particular WGS 84 (Latitude, Longitude), Spherical Mercator (Meters), Pixel Pyramid and Tiles (TMS, Google, QuadTree).
This package is inspired by pyGeoTile, which is the counterpart of this package written in Python.
Usage
The package jGeoTile consist of two main classes, namely Point and Tile. As already mentioned they allow you to convert various geo projections.
Point
Example of the class Point.
// Meters in Spherical Mercator EPSG:900913
double meterX = -9757148.442088600;
double meterY = 5138517.444985110;
int zoom = 19;
Point point = Point.fromMeters(meterX, meterY);
System.out.println("Pixels: (" + point.getPixelX(zoom) + ", " + point.getPixelY(zoom) + ")"); // Pixels: (34430592, 49899136)
System.out.println("Lat/Lon: (" + point.getLatitude() + ", " + getLongitude() + ")"); // Lat/Lon: (41.84987190947754, -87.64995574951166)Tile
Example of the class Tile.
int tmsX = 134494;
int tmsY = 329369;
int zoom = 19;
// Tile Map Service (TMS) X Y and zoom
Tile tile = Tile.fromTms(tmsX, tmsY, zoom)
System.out.println("QuadTree: " + getQuadTree()); // QuadTree: 0302222310303211330
System.out.println("Google: (" + tile.getGoogleX() + ", " + tile.getGoogleY() + ")"); // Google: (134494, 194918)Installation
To install jGeoTile, simply:
# TODONotes
This repository is inspired by:
- pyGeoTile: https://github.com/geometalab/pyGeoTile
- Tiles à la Google Maps: http://www.maptiler.org/google-maps-coordinates-tile-bounds-projection/
- Bing Maps Tile System: https://msdn.microsoft.com/en-us/library/bb259689.aspx
- Showing pixel and tile coordinates: https://developers.google.com/maps/documentation/javascript/examples/map-coordinates?hl=de
- Mercantile: https://github.com/mapbox/mercantile
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