def testTileGridWrongExtent(self):
with self.assertRaises(AssertionError):
GeoadminTileGridLV03(extent=[10.0, 10.0, 20.0, 20.0])
with self.assertRaises(AssertionError):
GeoadminTileGridLV03(
extent=[430000.0, 40000.0, 420000.0, 340000.0])
def testGetScale(self):
gagrid = GeoadminTileGridLV03()
s14 = gagrid.getScale(14)
s28 = gagrid.getScale(28)
self.assertGreater(s14, s28)
self.assertEqual(round(s14), 2456688.0)
self.assertEqual(round(s28), 378.0)
def testIterGrid(self):
gagrid = GeoadminTileGridLV03()
gen = gagrid.iterGrid(0, 0)
self.assertTrue(hasattr(gen, '__iter__'))
tileSpec = [t for t in gen]
self.assertEqual(len(tileSpec), 1)
self.assertEqual(len(tileSpec[0]), 4)
self.assertEqual(tileSpec[0][1], 0)
self.assertEqual(tileSpec[0][2], 0)
self.assertEqual(tileSpec[0][3], 0)
self.assertEqual(str(tileSpec[0][0]), str(gagrid.tileBounds(0, 0, 0)))
gen = gagrid.iterGrid(13, 14)
tilesSpec = [i for i in gen]
self.assertEqual(len(tilesSpec), 12)
self.assertEqual(tilesSpec[0][1], 13)
self.assertEqual(tilesSpec[6][1], 14)
bounds = tilesSpec[2][0]
z = tilesSpec[2][1]
col = tilesSpec[2][2]
row = tilesSpec[2][3]
self.assertEqual(bounds, gagrid.tileBounds(z, col, row))
with self.assertRaises(AssertionError):
next(gagrid.iterGrid(13, 33))
with self.assertRaises(AssertionError):
next(gagrid.iterGrid(-1, 11))
with self.assertRaises(AssertionError):
next(gagrid.iterGrid(13, 11))
def testTileSize(self):
gagrid = GeoadminTileGridLV03()
ts = gagrid.tileSize(20)
self.assertEqual(ts, 2560.0)
self.assertEqual(gagrid.tileAddressTemplate,
'{zoom}/{tileRow}/{tileCol}')
with self.assertRaises(AssertionError):
gagrid.tileSize(40)
def testIterGridWithExtent(self):
offset = 20000.0
gagridDefault = GeoadminTileGridLV03()
extent = [
gagridDefault.MINX + offset, gagridDefault.MINY + offset,
gagridDefault.MAXX - offset, gagridDefault.MAXY - offset
]
gagridExtent = GeoadminTileGridLV03(extent=extent)
self.assertGreater(gagridDefault.xSpan, gagridExtent.xSpan)
self.assertGreater(gagridDefault.ySpan, gagridExtent.ySpan)
tilesSpecDefault = [t for t in gagridDefault.iterGrid(20, 21)]
tilesSpecExtent = [t for t in gagridExtent.iterGrid(20, 21)]
self.assertGreater(len(tilesSpecDefault), len(tilesSpecExtent))
self.assertEqual(tilesSpecExtent[0][1], 20)
self.assertEqual(tilesSpecExtent[len(tilesSpecExtent) - 1][1], 21)
nbTiles = gagridExtent.numberOfTilesAtZoom(20) + \
gagridExtent.numberOfTilesAtZoom(21)
self.assertEqual(len(tilesSpecExtent), nbTiles)
def testTileBoundsAndAddress(self):
gagrid = GeoadminTileGridLV03()
tbe = [548000.0, 196400.0, 573600.0, 222000.0]
tb = gagrid.tileBounds(17, 5, 5)
self.assertEqual(tb[0], tbe[0])
self.assertEqual(tb[1], tbe[1])
self.assertEqual(tb[2], tbe[2])
self.assertEqual(tb[3], tbe[3])
with self.assertRaises(AssertionError):
gagrid.tileBounds(77, 5, 5)
ta = gagrid.tileAddress(0, [gagrid.MINX, gagrid.MAXY])
self.assertEqual(ta[0], 0)
self.assertEqual(ta[1], 0)
ta = gagrid.tileAddress(17, [tb[0], tb[3]])
self.assertEqual(ta[0], 5)
self.assertEqual(ta[1], 5)
def testNumberOfTilesLV03(self):
zoom = 20
gagrid = GeoadminTileGridLV03()
[minRow, minCol, maxRow, maxCol] = gagrid.getExtentAddress(zoom)
nb = gagrid.numberOfTilesAtZoom(zoom)
nbx = gagrid.numberOfXTilesAtZoom(zoom)
nby = gagrid.numberOfYTilesAtZoom(zoom)
self.assertGreater(maxCol, maxRow)
self.assertEqual(len([t for t in gagrid.iterGrid(zoom, zoom)]), nb)
self.assertEqual(nb, 23500)
self.assertEqual(nb, nbx * nby)
self.assertGreater(nbx, nby)
zoom = 22
[minRow, minCol, maxRow, maxCol] = gagrid.getExtentAddress(zoom)
nb = gagrid.numberOfTilesAtZoom(zoom)
nbx = gagrid.numberOfXTilesAtZoom(zoom)
nby = gagrid.numberOfYTilesAtZoom(zoom)
self.assertGreater(maxCol, maxRow)
self.assertEqual(len([t for t in gagrid.iterGrid(zoom, zoom)]), nb)
self.assertEqual(nb, 375000)
self.assertEqual(nb, nbx * nby)
self.assertGreater(nbx, nby)