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Python PrimitiveCell.for_triclinic_lattice方法代码示例

本文整理汇总了Python中simphony.cuds.primitive_cell.PrimitiveCell.for_triclinic_lattice方法的典型用法代码示例。如果您正苦于以下问题:Python PrimitiveCell.for_triclinic_lattice方法的具体用法?Python PrimitiveCell.for_triclinic_lattice怎么用?Python PrimitiveCell.for_triclinic_lattice使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在simphony.cuds.primitive_cell.PrimitiveCell的用法示例。


在下文中一共展示了PrimitiveCell.for_triclinic_lattice方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: test_primitive_cell_for_triclinic_lattice

# 需要导入模块: from simphony.cuds.primitive_cell import PrimitiveCell [as 别名]
# 或者: from simphony.cuds.primitive_cell.PrimitiveCell import for_triclinic_lattice [as 别名]
    def test_primitive_cell_for_triclinic_lattice(self):
        with self.assertRaises(ValueError):
            PrimitiveCell.for_triclinic_lattice(-1, -2, -3, 0.5, 0.6, 0.7)

        with self.assertRaises(ValueError):
            PrimitiveCell.for_triclinic_lattice(1, 2, 3, 0, np.pi, np.pi)

        with self.assertRaises(ValueError):
            PrimitiveCell.for_triclinic_lattice(1, 2, 3, 0.1, 0.2, 0.8)

        with self.assertRaises(ValueError):
            # angles too big
            PrimitiveCell.for_triclinic_lattice(1, 2, 3, 2.1, 2.1, 2.1)

        cosa = np.cos(self.alpha)
        cosb = np.cos(self.beta)
        sinb = np.sin(self.beta)
        cosg = np.cos(self.gamma)
        sing = np.sin(self.gamma)

        p1 = (self.a, 0, 0)
        p2 = (self.b*cosg, self.b*sing, 0)
        p3 = (self.c*cosb, self.c*(cosa-cosb*cosg) / sing,
              self.c*np.sqrt(sinb**2 - ((cosa-cosb*cosg) / sing)**2))

        pc = PrimitiveCell.for_triclinic_lattice(
            self.a, self.b, self.c, self.alpha, self.beta, self.gamma)
        self.assertIsInstance(pc, PrimitiveCell)
        self.assertEqual(pc.bravais_lattice,
                         BravaisLattice.TRICLINIC)
        assert_array_equal(pc.p1, p1)
        assert_array_equal(pc.p2, p2)
        assert_array_equal(pc.p3, p3)
开发者ID:simphony,项目名称:simphony-common,代码行数:35,代码来源:test_primitive_cell.py

示例2: make_triclinic_lattice

# 需要导入模块: from simphony.cuds.primitive_cell import PrimitiveCell [as 别名]
# 或者: from simphony.cuds.primitive_cell.PrimitiveCell import for_triclinic_lattice [as 别名]
def make_triclinic_lattice(name, hs, angles, size, origin=(0, 0, 0)):
    """Create and return a 3D triclinic lattice.

    Parameters
    ----------
    name : str
    hs : float[3]
        lattice spacings in each axis direction
    angles : float[3]
        angles between the (conventional) unit cell edges (in radians)
    size : int[3]
        Number of lattice nodes in each axis direction.
    origin : float[3], default value = (0, 0, 0)
        lattice origin

    Returns
    -------
    lattice : Lattice
        A reference to a Lattice object.
    """
    pc = PrimitiveCell.for_triclinic_lattice(
        hs[0], hs[1], hs[2], angles[0], angles[1], angles[2])
    return Lattice(name, pc, size, origin)
开发者ID:kitchoi,项目名称:simphony-common,代码行数:25,代码来源:lattice.py

示例3: test_cell_volume

# 需要导入模块: from simphony.cuds.primitive_cell import PrimitiveCell [as 别名]
# 或者: from simphony.cuds.primitive_cell.PrimitiveCell import for_triclinic_lattice [as 别名]
 def test_cell_volume(self):
     pc = PrimitiveCell.for_triclinic_lattice(1, 1, 1, np.pi/2,
                                              np.pi/2, np.pi/2)
     self.assertAlmostEqual(pc.volume, 1)
开发者ID:simphony,项目名称:simphony-common,代码行数:6,代码来源:test_primitive_cell.py


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