def test_tessellation_approaches(self,periodic):
grid = np.random.randint(10,20,3)
size = np.random.random(3) + 1.0
N_seeds= np.random.randint(10,30)
seeds = np.random.rand(N_seeds,3) * np.broadcast_to(size,(N_seeds,3))
Voronoi = Geom.from_Voronoi_tessellation( grid,size,seeds, np.arange(N_seeds)+5,periodic)
Laguerre = Geom.from_Laguerre_tessellation(grid,size,seeds,np.ones(N_seeds),np.arange(N_seeds)+5,periodic)
assert geom_equal(Laguerre,Voronoi)
def test_Laguerre_weights(self):
grid = np.random.randint(10,20,3)
size = np.random.random(3) + 1.0
N_seeds= np.random.randint(10,30)
seeds = np.random.rand(N_seeds,3) * np.broadcast_to(size,(N_seeds,3))
weights= np.full((N_seeds),-np.inf)
ms = np.random.randint(N_seeds)
weights[ms] = np.random.random()
Laguerre = Geom.from_Laguerre_tessellation(grid,size,seeds,weights,periodic=np.random.random()>0.5)
assert np.all(Laguerre.material == ms)
def test_Laguerre_weights(self):
grid = np.random.randint(10,20,3)
size = np.random.random(3) + 1.0
N_seeds= np.random.randint(10,30)
seeds = np.random.rand(N_seeds,3) * np.broadcast_to(size,(N_seeds,3))
weights= np.full((N_seeds),-np.inf)
ms = np.random.randint(1, N_seeds+1)
weights[ms-1] = np.random.random()
Laguerre = Geom.from_Laguerre_tessellation(grid,size,seeds,weights,np.random.random()>0.5)
assert np.all(Laguerre.microstructure == ms)
def test_tessellate_bicrystal(self,approach):
grid = np.random.randint(5,10,3)*2
size = grid.astype(np.float)
seeds = np.vstack((size*np.array([0.5,0.25,0.5]),size*np.array([0.5,0.75,0.5])))
material = np.zeros(grid)
material[:,grid[1]//2:,:] = 1
if approach == 'Laguerre':
geom = Geom.from_Laguerre_tessellation(grid,size,seeds,np.ones(2),periodic=np.random.random()>0.5)
elif approach == 'Voronoi':
geom = Geom.from_Voronoi_tessellation(grid,size,seeds, periodic=np.random.random()>0.5)
assert np.all(geom.material == material)