Esempio n. 1
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    def test_GantryDominant2D_adjacency_graph(self):
        nodes = [[1, 2, 3], [-1, 0, 1]]
        lattice = Lattice(nodes)

        ratio = 1.0
        sampler = GantryDominant2D(lattice, ratio=ratio)

        graph_true = np.array([
            [0, 1, 0, 0, 1, 0, 0, 0, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 0],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 0, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 0, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
        ],
                              dtype=bool)
        graph_test = sampler._adjacency_graph()
        self.assertTrue(np.all(graph_true == graph_test))

        ratio = 2.0
        sampler = GantryDominant2D(lattice, ratio=ratio)

        graph_true = np.array([
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
        ],
                              dtype=bool)
        graph_test = sampler._adjacency_graph()
        self.assertTrue(np.all(graph_true == graph_test))

        nodes = [[1, 2, 3], [-0.5, 0, 0.5]]
        lattice = Lattice(nodes)

        ratio = 1.0
        sampler = GantryDominant2D(lattice, ratio=ratio)

        graph_true = np.array([
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
            [0, 1, 0, 0, 1, 0, 0, 1, 0],
            [0, 0, 1, 0, 0, 1, 0, 0, 1],
            [0, 0, 0, 0, 0, 0, 0, 0, 0],
        ],
                              dtype=bool)
        graph_test = sampler._adjacency_graph()
        self.assertTrue(np.all(graph_true == graph_test))
Esempio n. 2
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    def test_Lattice3D_print(self):
        lattice = Lattice(self.nodes3D)

        self.assertTrue(hasattr(lattice, '__repr__'))
        self.assertTrue(lattice.__repr__())
        self.assertTrue(hasattr(lattice, '__str__'))
        self.assertTrue(lattice.__str__())
Esempio n. 3
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    def test_Lattice3D__getitem__(self):
        lattice = Lattice(self.nodes3D)
        nodes = lattice.nodes
        nnodes_dim = lattice.nnodes_dim

        nx_st, nx_end = 2, 4
        ny_st, ny_end = 0, 3
        nz_st, nz_end = 2, 3

        lattice_z = lattice[:, :, nz_st]
        lattice_zslice = lattice[:, :, nz_st:nz_end]

        lattice_xyzslice = lattice[nx_st:nx_end, ny_st:ny_end, nz_st:nz_end]

        self.assertEqual(lattice_z.nnodes_dim, (nnodes_dim[0], nnodes_dim[1]))
        self.assertEqual(lattice_z, Lattice([nodes[0], nodes[1]]))
        self.assertEqual(lattice_zslice.nnodes_dim,
                         (nnodes_dim[0], nnodes_dim[1], 1))
        self.assertEqual(lattice_zslice,
                         Lattice([nodes[0], nodes[1], nodes[2][nz_st:nz_end]]))

        self.assertEqual(
            lattice_xyzslice,
            Lattice([
                nodes[0][nx_st:nx_end], nodes[1][ny_st:ny_end],
                nodes[2][nz_st:nz_end]
            ]))
Esempio n. 4
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    def test_Lattice2D__eq__(self):
        lattice = Lattice(self.nodes2D)
        lattice_is = lattice
        lattice_eq = Lattice(self.nodes2D)
        lattice_non_eq = Lattice([self.x_non_eq, self.y])
        lattice_short = Lattice([self.x_short, self.y])

        self.assertTrue(lattice is lattice_is)
        self.assertTrue(lattice == lattice_eq)
        self.assertEqual(lattice, lattice_eq)
        self.assertFalse(lattice is lattice_eq)
        self.assertFalse(lattice == lattice_non_eq)
        self.assertFalse(lattice == lattice_short)
Esempio n. 5
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    def test_Trajectory_to_latticemap(self):
        nodes = [[-2, -1, 0, 1, 2], [-3, 1, 5, 9]]
        lattice = Lattice(nodes)
        pts = [(-2, 1), (-1, -4), (0, 3), (1, 4), (2, 8.8)]

        values = np.array([
            0,
            1,
            0,
            0,
            0,
            1,
            0,
            1,
            0,
            0,
            0,
            0,
            0,
            1,
            0,
            0,
            0,
            0,
            0,
            1,
        ],
                          dtype=bool)

        map_test = Trajectory(pts).to_latticemap(lattice)
        map_true = LatticeMap(lattice, values)
        self.assertEqual(map_true, map_test)
Esempio n. 6
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    def test_GantryDominant2D__call__conditioning(self):
        # Computational lattice
        nodes = [
            [-4, -3, -2, -1, 0, 1, 2, 3, 4],
            [0, 1, 2, 3, 4, 5, 6],
        ]
        lattice = Lattice(nodes)

        # Sampler
        ratio = 2.0
        sampler = GantryDominant2D(lattice=lattice, ratio=ratio)

        # Sample Trajectory
        trajectory = sampler(conditions=[(0, 3)])

        # Check length
        self.assertTrue(len(trajectory), len(nodes[0]))

        # Check conditioing
        self.assertEqual(trajectory[4], (0, 3))

        # Check max trajectory spreading
        pt_last = trajectory[0]
        self.assertEqual(pt_last[0], nodes[0][0])
        for pt_next, nd_next in zip(trajectory[1:], nodes[0][1:]):
            self.assertEqual(pt_next[0], nd_next)
            max_spread = abs(pt_next[0] - pt_last[0]) * ratio
            max_spread += NP_ATOL + NP_RTOL * max_spread
            self.assertTrue(abs(pt_next[1] - pt_last[1]) <= max_spread)
            pt_last = pt_next
Esempio n. 7
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    def test_GantryDominant2D_gen(self):
        nodes = [[-1.5, 1.5, 5, 8, 9], [1, 2, 3, 4, 5, 6]]
        lattice = Lattice(nodes)
        sampler = GantryDominant2D(lattice, ratio=2.0)

        self.assertTrue(isinstance(sampler, Sampler))
        self.assertTrue(isinstance(sampler, GantryDominant2D))
Esempio n. 8
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    def test_Lattice2D_ndim(self):
        ndim = 2
        lattice = Lattice(self.nodes2D)

        self.assertTrue(hasattr(lattice, 'ndim'))
        self.assertEqual(lattice.ndim, ndim)
        self.assertTrue(isinstance(lattice.ndim, int))
Esempio n. 9
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    def test_LatticeMap2D_slice(self):
        nodes = [[-1.5, 1.5, 5, 8, 9], [1, 2, 3, 4, 5, 6]]
        lattice = Lattice(nodes)
        values = [
            0.51,
            0.52,
            0.53,
            0.54,
            0.55,
            0.61,
            0.62,
            0.63,
            0.64,
            0.65,
            0.71,
            0.72,
            0.73,
            0.74,
            0.75,
            0.71,
            0.72,
            0.73,
            0.74,
            0.75,
            0.61,
            0.62,
            0.63,
            0.64,
            0.65,
            0.51,
            0.52,
            0.53,
            0.54,
            0.55,
        ]
        latticemap = LatticeMap(lattice, values=values)

        lattice_slice_0 = Lattice([[1, 2, 3, 4, 5, 6]])
        values_slice_0 = [0.52, 0.62, 0.72, 0.72, 0.62, 0.52]
        latticemap_slice_0 = LatticeMap(lattice_slice_0, values_slice_0)

        lattice_slice_1 = Lattice([[-1.5, 1.5, 5, 8, 9]])
        values_slice_1 = [0.71, 0.72, 0.73, 0.74, 0.75]
        latticemap_slice_1 = LatticeMap(lattice_slice_1, values_slice_1)
        self.assertEqual(latticemap_slice_0, latticemap.slice(0, 1))
        self.assertEqual(latticemap_slice_1, latticemap.slice(1, 3))
Esempio n. 10
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    def __init__(self, lattice):
        # Also accept objects that can be used to generate a lattice
        if not isinstance(lattice, Lattice):
            lattice = Lattice(lattice)
        self._lattice = lattice

        # Make default prior maps (all equal probability, all allowed)
        ones = np.ones(lattice.nnodes_dim)
        self._prior_prob = LatticeMap(lattice, ones, dtype=int)
        self._prior_cond = LatticeMap(lattice, ones, dtype=bool)
Esempio n. 11
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    def test_LatticeMap3D_ndim(self):
        ndim = 3
        lattice = Lattice(self.nodes3D)

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)

        self.assertTrue(hasattr(latticemap, 'ndim'))
        self.assertEqual(latticemap.ndim, ndim)
        self.assertTrue(isinstance(latticemap.ndim, int))
Esempio n. 12
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    def test_LatticeMap2D_print(self):
        lattice = Lattice(self.nodes2D)

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)

        self.assertTrue(hasattr(latticemap, '__repr__'))
        self.assertTrue(latticemap.__repr__())
        self.assertTrue(hasattr(latticemap, '__str__'))
        self.assertTrue(latticemap.__str__())
Esempio n. 13
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    def test_Lattice2D_nnodes(self):
        ndim = 2
        nnodes_dim = (6, 4)
        nnodes = 24
        lattice = Lattice(self.nodes2D)

        self.assertTrue(isinstance(lattice.nnodes_dim, tuple))
        self.assertEqual(len(lattice.nnodes_dim), ndim)
        self.assertEqual(lattice.nnodes_dim, nnodes_dim)
        self.assertTrue(isinstance(lattice.nnodes, int))
        self.assertEqual(lattice.nnodes, nnodes)
Esempio n. 14
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    def test_LatticeMap3D_print(self):
        lattice = Lattice(self.nodes3D)

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)

        # Force the implementation of __repr__() and __str__()
        self.assertTrue(hasattr(latticemap, '__repr__'))
        self.assertTrue(latticemap.__repr__())
        self.assertTrue(hasattr(latticemap, '__str__'))
        self.assertTrue(latticemap.__str__())
Esempio n. 15
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    def test_Lattice3D_nnodes(self):
        ndim = 3
        nnodes_dim = (6, 4, 3)
        nnodes = 72
        lattice = Lattice(self.nodes3D)

        self.assertTrue(isinstance(lattice.nnodes_dim, tuple))
        self.assertEqual(len(lattice.nnodes_dim), ndim)
        self.assertEqual(lattice.nnodes_dim, nnodes_dim)
        self.assertTrue(isinstance(lattice.nnodes, int))
        self.assertEqual(lattice.nnodes, nnodes)
Esempio n. 16
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    def test_Lattice2D__getitem__(self):
        lattice = Lattice(self.nodes2D)
        nodes = lattice.nodes
        nnodes_dim = lattice.nnodes_dim

        nx_st, nx_end = 2, 4
        ny_st, ny_end = 0, 3

        lattice_x = lattice[nx_st, :]
        lattice_xslice = lattice[nx_st:nx_end, :]

        lattice_y = lattice[:, ny_st]
        lattice_yslice = lattice[:, ny_st:ny_end]

        lattice_xyslice = lattice[nx_st:nx_end, ny_st:ny_end]

        self.assertEqual(lattice_x.nnodes_dim, (nnodes_dim[1], ))
        self.assertEqual(lattice_x, Lattice([nodes[1]]))
        self.assertEqual(lattice_xslice.nnodes_dim, (2, nnodes_dim[1]))
        self.assertEqual(lattice_xslice,
                         Lattice([nodes[0][nx_st:nx_end], nodes[1]]))

        self.assertEqual(lattice_y.nnodes_dim, (nnodes_dim[0], ))
        self.assertEqual(lattice_y, Lattice([nodes[0]]))
        self.assertEqual(lattice_yslice.nnodes_dim, (nnodes_dim[0], 3))
        self.assertEqual(lattice_yslice,
                         Lattice([nodes[0], nodes[1][ny_st:ny_end]]))

        self.assertEqual(
            lattice_xyslice,
            Lattice([nodes[0][nx_st:nx_end], nodes[1][ny_st:ny_end]]))
Esempio n. 17
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    def test_LatticeMap3D__add__(self):
        lattice = Lattice(self.nodes3D)
        nodes_short = [self.x_short, self.y, self.z]
        lattice_short = Lattice(nodes_short)
        num = -25.89

        values_left = np.random.randn(lattice.nnodes)
        values_right = np.random.randn(lattice.nnodes)
        values_short = np.random.randn(lattice_short.nnodes)
        latticemap_left = LatticeMap(lattice, values_left)
        latticemap_right = LatticeMap(lattice, values_right)
        latticemap_short = LatticeMap(lattice_short, values_short)
        latticmap_sum = LatticeMap(lattice, values_left + values_right)
        latticmap_sum_num = LatticeMap(lattice, values_left + num)

        self.assertEqual(latticmap_sum, latticemap_left + latticemap_right)
        self.assertTrue(latticmap_sum == latticemap_left + latticemap_right)
        self.assertEqual(latticmap_sum_num, latticemap_left + num)
        self.assertTrue(latticmap_sum_num == latticemap_left + num)
        with self.assertRaises(ValueError):
            latticemap_left + latticemap_short
        with self.assertRaises(TypeError):
            latticemap_left + 'foobar'
Esempio n. 18
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    def test_LatticeMap3D__eq__(self):
        lattice = Lattice(self.nodes3D)

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)
        latticemap_is = latticemap
        latticemap_eq = LatticeMap(lattice, values)
        latticemap_non_eq = LatticeMap(lattice, values + 1)

        self.assertTrue(latticemap is latticemap_is)
        self.assertTrue(latticemap == latticemap_eq)
        self.assertEqual(latticemap, latticemap_eq)
        self.assertFalse(latticemap is latticemap_eq)
        self.assertFalse(latticemap == latticemap_non_eq)
Esempio n. 19
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    def test_LatticeMap2D__getitem__(self):
        lattice = Lattice(self.nodes2D)
        nodes = lattice.nodes
        nnodes_dim = lattice.nnodes_dim

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)

        nx_st, nx_end = 2, 4
        ny_st, ny_end = 0, 3
        ind_x = np.arange(nx_st, nx_end)
        ind_y = np.arange(ny_st, ny_end)

        latticemap_x = latticemap[nx_st, :]
        lin_ind_x = np.array(
            [nx_st + iy * nnodes_dim[0] for iy in range(nnodes_dim[1])])

        latticemap_xslice = latticemap[nx_st:nx_end, :]
        lin_ind_xslice = np.array([
            ix + iy * nnodes_dim[0] for iy in range(nnodes_dim[1])
            for ix in ind_x
        ])

        latticemap_y = latticemap[:, ny_st]
        lin_ind_y = np.array(
            [ix + ny_st * nnodes_dim[0] for ix in range(nnodes_dim[0])])

        latticemap_yslice = latticemap[:, ny_st:ny_end]
        lin_ind_yslice = np.array([
            ix + iy * nnodes_dim[0] for iy in ind_y
            for ix in range(nnodes_dim[0])
        ])

        latticemap_xyslice = latticemap[nx_st:nx_end, ny_st:ny_end]
        lin_ind_xyslice = np.array(
            [ix + iy * nnodes_dim[0] for iy in ind_y for ix in ind_x])

        self.assertTrue(latticemap_x == LatticeMap(lattice=lattice[nx_st, :],
                                                   values=values[lin_ind_x]))
        self.assertTrue(latticemap_xslice == LatticeMap(
            lattice=lattice[nx_st:nx_end, :], values=values[lin_ind_xslice]))
        self.assertTrue(latticemap_y == LatticeMap(lattice=lattice[:, ny_st],
                                                   values=values[lin_ind_y]))
        self.assertTrue(latticemap_yslice == LatticeMap(
            lattice=lattice[:, ny_st:ny_end], values=values[lin_ind_yslice]))
        self.assertTrue(
            latticemap_xyslice == LatticeMap(lattice=lattice[nx_st:nx_end,
                                                             ny_st:ny_end],
                                             values=values[lin_ind_xyslice]))
Esempio n. 20
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    def test_LatticeMap3D__mul__(self):
        lattice = Lattice(self.nodes3D)
        num = -25.89

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)
        latticmap_mul = LatticeMap(lattice, values * num)
        latticemap_squared = LatticeMap(lattice, values**2)

        self.assertEqual(latticmap_mul, latticemap * num)
        self.assertTrue(latticmap_mul == latticemap * num)
        self.assertEqual(latticmap_mul, num * latticemap)
        self.assertTrue(latticmap_mul == num * latticemap)
        self.assertEqual(latticemap * latticemap, latticemap_squared)
        with self.assertRaises(TypeError):
            latticemap * 'foobar'
Esempio n. 21
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    def test_LatticeMap3D__getitem__(self):
        lattice = Lattice(self.nodes3D)
        nodes = lattice.nodes
        nnodes_dim = lattice.nnodes_dim

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)

        nx_st, nx_end = 2, 4
        ny_st, ny_end = 0, 3
        nz_st, nz_end = 2, 3
        ind_x = np.arange(nx_st, nx_end)
        ind_y = np.arange(ny_st, ny_end)
        ind_z = np.arange(nz_st, nz_end)

        latticemap_z = latticemap[:, :, nz_st]
        lin_ind_z = np.array([
            ix + iy * nnodes_dim[0] + nz_st * nnodes_dim[0] * nnodes_dim[1]
            for iy in range(nnodes_dim[1]) for ix in range(nnodes_dim[0])
        ])

        latticemap_zslice = latticemap[:, :, nz_st:nz_end]
        lin_ind_zslice = np.array([
            ix + iy * nnodes_dim[0] + iz * nnodes_dim[0] * nnodes_dim[1]
            for iz in ind_z for iy in range(nnodes_dim[1])
            for ix in range(nnodes_dim[0])
        ])

        latticemap_xyzslice = latticemap[nx_st:nx_end, ny_st:ny_end,
                                         nz_st:nz_end]
        lin_ind_xyzslice = np.array([
            ix + iy * nnodes_dim[0] + iz * nnodes_dim[0] * nnodes_dim[1]
            for iz in ind_z for iy in ind_y for ix in ind_x
        ])
        self.assertTrue(latticemap_z == LatticeMap(lattice=lattice[:, :,
                                                                   nz_st],
                                                   values=values[lin_ind_z]))
        self.assertTrue(latticemap_zslice == LatticeMap(
            lattice=lattice[:, :,
                            nz_st:nz_end], values=values[lin_ind_zslice]))
        self.assertTrue(
            latticemap_xyzslice == LatticeMap(lattice=lattice[nx_st:nx_end,
                                                              ny_st:ny_end,
                                                              nz_st:nz_end],
                                              values=values[lin_ind_xyzslice]))
Esempio n. 22
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    def test_LatticeMap2D_gen(self):
        lattice = Lattice(self.nodes2D)

        values = np.random.randn(lattice.nnodes)
        latticemap = LatticeMap(lattice, values)
        self.assertTrue(isinstance(latticemap, LatticeMap))
        self.assertTrue(np.all(values == latticemap.values))
        with self.assertRaises(ValueError):
            LatticeMap(lattice, values[:-1])
        with self.assertRaises(ValueError):
            LatticeMap(lattice, [])

        latticemap = LatticeMap(self.nodes2D, values)
        self.assertTrue(isinstance(latticemap, LatticeMap))
        self.assertTrue(np.all(values == latticemap.values))
        with self.assertRaises(ValueError):
            LatticeMap(self.nodes2D, values[:-1])
        with self.assertRaises(ValueError):
            LatticeMap(self.nodes2D, [])
Esempio n. 23
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    def test_LatticeMap2D_make_latticemap_from_txt(self):
        nodes = [[-1.5, 1.5, 5, 8, 9], [1, 2, 3, 4, 5, 6]]
        lattice = Lattice(nodes)
        values = [
            0.5,
            0.5,
            0.5,
            0.5,
            0.5,
            0.6,
            0.6,
            0.6,
            0.6,
            0.6,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.7,
            0.6,
            0.6,
            0.6,
            0.6,
            0.6,
            0.5,
            0.5,
            0.5,
            0.5,
            0.5,
        ]
        latticemap_true = LatticeMap(lattice, values)

        file = PATH_TESTFILES + 'latticemap2d_simple.txt'
        latticemap_test = LatticeMap.from_txt(file)

        self.assertTrue(isinstance(latticemap_test, LatticeMap))
        self.assertEqual(latticemap_true, latticemap_test)
Esempio n. 24
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    def test_Lattice3D_indices_from_point(self):
        lattice = Lattice(self.nodes3D)

        components = (2, -0.5, 1000)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (1, 1, 2))

        components = (1100, -0.5, -100)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (5, 1, 0))

        components = (2, -0.499, -11001.55)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (1, 2, 0))

        components = (2, -0.5)
        with self.assertRaises(ValueError):
            lattice.indices_from_point(components)
Esempio n. 25
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    def test_Lattice2D_indices(self):
        lattice = Lattice(self.nodes2D)

        components = (2, -0.5)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (1, 1))

        components = (1100, -0.5)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (5, 1))

        components = (2, -0.499)
        ind_point = lattice.indices_from_point(components)
        self.assertEqual(ind_point, (1, 2))

        components = (2, -0.5, -1)
        with self.assertRaises(ValueError):
            lattice.indices_from_point(components)
Esempio n. 26
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    def _cond_map_from_str(self, file):
        """Loads a conditioning map from a saved file.

        !!! ATTENTION !!!
        This map invertes the values. AMS is used to indicate blocked nodes
        by `1` and allowed nodes by `0`. However, for the sampling it is more
        convenient to use it the other way around. Therefore, the values are
        inverted withing this function.
        """
        # Read the conditioning file
        nodes, values = readfile_nodes_values(file)

        # Invert the values (c.f. docstring)
        values = utl.ams_val_map_to_bool_map(values)

        # Check consistency of the lattices
        if Lattice(nodes) != self._lattice:
            raise ValueError(msg.err3001(file, self._lattice))

        return LatticeMap(nodes, values)
Esempio n. 27
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    def test_GantryDominant2D_set_prior_cond_with_str(self):
        nodes = [[1, 2, 3], [4, 5, 6, 7, 8, 9, 10]]
        lattice = Lattice(nodes)
        conditions = [PATH_TESTFILES + 'condmap2d_simple.txt']

        values_true = np.array([
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            0,
            1,
            0,
            0,
            0,
            0,
            0,
            0,
            0,
            0,
        ],
                               dtype=bool)
        prior_cond_true = LatticeMap(nodes, values_true)

        ratio = 1.0
        sampler = GantryDominant2D(lattice, ratio=ratio)
        sampler.set_prior_cond(conditions)

        self.assertEqual(sampler._prior_cond, prior_cond_true)
Esempio n. 28
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    def test_LatticeMap3D_make_latticemap_from_txt(self):
        nodes = [[-1.5, 1.5], [5, 8, 9], [-2, 3]]
        lattice = Lattice(nodes)
        values = [
            0.5,
            0.5,
            0.8,
            0.8,
            0.1,
            0.1,
            0.6,
            0.6,
            0.9,
            0.9,
            0.2,
            0.2,
        ]
        latticemap_true = LatticeMap(lattice, values)

        file = PATH_TESTFILES + 'latticemap3d_simple.txt'
        latticemap_test = LatticeMap.from_txt(file)

        self.assertTrue(isinstance(latticemap_test, LatticeMap))
        self.assertEqual(latticemap_true, latticemap_test)
Esempio n. 29
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    def test_GantryDominant2D__cond_map_from_point(self):
        nodes = [[-2, -1, 0, 1, 2], [-2, 0, 2]]
        lattice = Lattice(nodes)

        conditions = [(0, 0)]
        values_true = np.array([
            1,
            1,
            0,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            0,
            1,
            1,
        ],
                               dtype=bool)
        prior_cond_true = LatticeMap(nodes, values_true)

        ratio = 2.0
        sampler = GantryDominant2D(lattice, ratio=ratio)
        sampler.set_prior_cond(conditions)

        self.assertEqual(sampler._prior_cond, prior_cond_true)

        conditions = [(-2, -2)]
        values_true = np.array([
            1,
            1,
            1,
            1,
            1,
            0,
            1,
            1,
            1,
            1,
            0,
            0,
            1,
            1,
            1,
        ],
                               dtype=bool)
        prior_cond_true = LatticeMap(nodes, values_true)

        ratio = 2.0
        sampler = GantryDominant2D(lattice, ratio=ratio)
        sampler.set_prior_cond(conditions)

        self.assertEqual(sampler._prior_cond, prior_cond_true)

        conditions = [(1, -2)]
        values_true = np.array([
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            1,
            0,
            1,
            1,
            1,
            1,
            0,
            1,
        ],
                               dtype=bool)
        prior_cond_true = LatticeMap(nodes, values_true)

        ratio = 4.0
        sampler = GantryDominant2D(lattice, ratio=ratio)
        sampler.set_prior_cond(conditions)

        self.assertEqual(sampler._prior_cond, prior_cond_true)
Esempio n. 30
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 def test_Lattice2D_gen(self):
     lattice = Lattice(self.nodes2D)
     self.assertTrue(isinstance(lattice, Lattice))
     with self.assertRaises(ValueError):
         Lattice([[1, 2, 3], [1, -1, 2]])