@Test public void getMapSizeTest() { for (int tileSize : TILE_SIZES) { for (byte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel) { long factor = Math.round(MercatorProjection.zoomLevelToScaleFactor(zoomLevel)); Assert.assertEquals(tileSize * factor, MercatorProjection.getMapSize(zoomLevel, tileSize)); Assert.assertEquals(MercatorProjection.getMapSizeWithScaleFactor(MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize), MercatorProjection.getMapSize(zoomLevel, tileSize)); } verifyInvalidGetMapSize((byte) -1, tileSize); } }
@Test public void pixelYToLatitudeTest() { for (int tileSize : TILE_SIZES) { for (byte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel) { long mapSize = MercatorProjection.getMapSize(zoomLevel, tileSize); double latitude = MercatorProjection.pixelYToLatitude(0, mapSize); Assert.assertEquals(MercatorProjection.LATITUDE_MAX, latitude, 0); latitude = MercatorProjection.pixelYToLatitudeWithScaleFactor(0, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(MercatorProjection.LATITUDE_MAX, latitude, 0); latitude = MercatorProjection.pixelYToLatitude((float) mapSize / 2, mapSize); Assert.assertEquals(0, latitude, 0); mapSize = MercatorProjection.getMapSizeWithScaleFactor(MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); latitude = MercatorProjection.pixelYToLatitudeWithScaleFactor((float) mapSize / 2, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(0, latitude, 0); latitude = MercatorProjection.pixelYToLatitude(mapSize, mapSize); Assert.assertEquals(MercatorProjection.LATITUDE_MIN, latitude, 0); latitude = MercatorProjection.pixelYToLatitudeWithScaleFactor(mapSize, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(MercatorProjection.LATITUDE_MIN, latitude, 0); } verifyInvalidPixelYToLatitude(-1, (byte) 0, tileSize); verifyInvalidPixelYToLatitude(tileSize + 1, (byte) 0, tileSize); } }
@Test public void pixelXToLongitudeTest() { for (int tileSize : TILE_SIZES) { for (byte zoomLevel = ZOOM_LEVEL_MIN; zoomLevel <= ZOOM_LEVEL_MAX; ++zoomLevel) { long mapSize = MercatorProjection.getMapSize(zoomLevel, tileSize); double longitude = MercatorProjection.pixelXToLongitude(0, mapSize); Assert.assertEquals(LatLongUtils.LONGITUDE_MIN, longitude, 0); longitude = MercatorProjection.pixelXToLongitudeWithScaleFactor(0, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(LatLongUtils.LONGITUDE_MIN, longitude, 0); longitude = MercatorProjection.pixelXToLongitude((float) mapSize / 2, mapSize); Assert.assertEquals(0, longitude, 0); mapSize = MercatorProjection.getMapSizeWithScaleFactor(MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); longitude = MercatorProjection.pixelXToLongitudeWithScaleFactor((float) mapSize / 2, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(0, longitude, 0); longitude = MercatorProjection.pixelXToLongitude(mapSize, mapSize); Assert.assertEquals(LatLongUtils.LONGITUDE_MAX, longitude, 0); longitude = MercatorProjection.pixelXToLongitudeWithScaleFactor(mapSize, MercatorProjection.zoomLevelToScaleFactor(zoomLevel), tileSize); Assert.assertEquals(LatLongUtils.LONGITUDE_MAX, longitude, 0); } verifyInvalidPixelXToLongitude(-1, (byte) 0, tileSize); verifyInvalidPixelXToLongitude(tileSize + 1, (byte) 0, tileSize); } }