목록2018/10 (10)
SPRING :: NOTE
[TileMap] Latitude 및 Zoom Level을 이용한 거리 구하기
public double getPixelsPerMeter(double lat, double zoom) { double pixelsPerTile = 256 * ((double)context.getResources().getDisplayMetrics().densityDpi / 160); double numTiles = Math.pow(2,zoom); double metersPerTile = Math.cos(Math.toRadians(lat)) * EARTH_CIRCUMFERENCE_METERS / numTiles; return pixelsPerTile / metersPerTile; }
Development Language/C · C++ · MFC
2018. 10. 2. 15:33