def testValueAccessorCopy(self):
xyz = (0, 0, 0)
grid = openvdb.BoolGrid()
acc = grid.getAccessor()
self.assertEqual(acc.getValue(xyz), False)
self.assertFalse(acc.isValueOn(xyz))
copyOfAcc = acc.copy()
self.assertEqual(copyOfAcc.getValue(xyz), False)
self.assertFalse(copyOfAcc.isValueOn(xyz))
# Verify that changes made to the grid through one accessor are reflected in the other.
acc.setValueOn(xyz, True)
self.assertEqual(acc.getValue(xyz), True)
self.assertTrue(acc.isValueOn(xyz))
self.assertEqual(copyOfAcc.getValue(xyz), True)
self.assertTrue(copyOfAcc.isValueOn(xyz))
copyOfAcc.setValueOff(xyz)
self.assertEqual(acc.getValue(xyz), True)
self.assertFalse(acc.isValueOn(xyz))
self.assertEqual(copyOfAcc.getValue(xyz), True)
self.assertFalse(copyOfAcc.isValueOn(xyz))
# Verify that the two accessors are distinct, by checking that they
# have cached different sets of nodes.
xyz2 = (-1, -1, -1)
copyOfAcc.setValueOn(xyz2)
self.assertTrue(copyOfAcc.isCached(xyz2))
self.assertFalse(copyOfAcc.isCached(xyz))
self.assertTrue(acc.isCached(xyz))
self.assertFalse(acc.isCached(xyz2))
def testMap(self):
grid = openvdb.BoolGrid()
grid.fill((-4, -4, -4), (5, 5, 5), grid.zeroValue) # make active
grid.mapOn(lambda x: not x) # replace active False values with True
n = sum(item.value for item in grid.iterOnValues())
self.assertEqual(n, 10 * 10 * 10)
grid = openvdb.FloatGrid()
grid.fill((-4, -4, -4), (5, 5, 5), grid.oneValue)
grid.mapOn(lambda x: x * 2)
n = sum(item.value for item in grid.iterOnValues())
self.assertEqual(n, 10 * 10 * 10 * 2)
grid = openvdb.Vec3SGrid()
grid.fill((-4, -4, -4), (5, 5, 5), grid.zeroValue)
grid.mapOn(lambda x: (0, 1, 0))
n = sum(item.value[1] for item in grid.iterOnValues())
self.assertEqual(n, 10 * 10 * 10)
def testGridMetadata(self):
grid = openvdb.BoolGrid()
self.assertEqual(grid.metadata, {})
meta = {
'name': 'test',
'xyz': (-1, 0, 1),
'xyzw': (1.0, 2.25, 3.5, 4.0),
'intval': 42,
'floatval': 1.25,
'mat4val': [[1] * 4] * 4,
'saveFloatAsHalf': True,
}
grid.metadata = meta
self.assertEqual(grid.metadata, meta)
meta['xyz'] = (-100, 100, 0)
grid.updateMetadata(meta)
self.assertEqual(grid.metadata, meta)
self.assertEqual(set(grid.iterkeys()), set(meta.keys()))
for name in meta:
self.assertTrue(name in grid)
self.assertEqual(grid[name], meta[name])
self.assertEqual(type(grid[name]), type(meta[name]))
for name in grid:
self.assertTrue(name in grid)
self.assertEqual(grid[name], meta[name])
self.assertEqual(type(grid[name]), type(meta[name]))
self.assertTrue('xyz' in grid)
del grid['xyz']
self.assertFalse('xyz' in grid)
grid['xyz'] = meta['xyz']
self.assertTrue('xyz' in grid)
grid.addStatsMetadata()
meta = grid.getStatsMetadata()
self.assertEqual(0, meta["file_voxel_count"])
def testGridMetadata(self):
grid = openvdb.BoolGrid()
self.assertEqual(grid.metadata, {})
meta = dict(name='test',
saveFloatAsHalf=True,
xyz=(-1, 0, 1),
intval=42,
floatval=1.25)
grid.metadata = meta
self.assertEqual(grid.metadata, meta)
meta['xyz'] = (-100, 100, 0)
grid.updateMetadata(meta)
self.assertEqual(grid.metadata, meta)
self.assertEqual(set(grid.iterkeys()), set(meta.keys()))
for name in meta:
self.assertTrue(name in grid)
self.assertEqual(grid[name], meta[name])
self.assertEqual(type(grid[name]), type(meta[name]))
for name in grid:
self.assertTrue(name in grid)
self.assertEqual(grid[name], meta[name])
self.assertEqual(type(grid[name]), type(meta[name]))
self.assertTrue('xyz' in grid)
del grid['xyz']
self.assertFalse('xyz' in grid)
grid['xyz'] = meta['xyz']
self.assertTrue('xyz' in grid)
grid.addStatsMetadata()
meta = grid.getStatsMetadata()
self.assertEqual(0, meta["file_voxel_count"])
