sknano.core.crystallography.Reciprocal3DLattice

class sknano.core.crystallography.Reciprocal3DLattice(a_star=None, b_star=None, c_star=None, alpha_star=None, beta_star=None, gamma_star=None, b1=None, b2=None, b3=None, cell_matrix=None, orientation_matrix=None, offset=None)

3D reciprocal lattice class.

Parameters:

a_star, b_star, c_star : float

alpha_star, beta_star, gamma_star : float

b1, b2, b3 : array_like

cell_matrix : array_like

orientation_matrix : array_like

Attributes

a1	3D lattice vector \(\mathbf{a}_1=\mathbf{a}\).
a2	3D lattice vector \(\mathbf{a}_2=\mathbf{b}\).
a3	3D lattice vector \(\mathbf{a}_3=\mathbf{c}\).
a_star	Length of lattice vector \(\mathbf{a^*}\).
alpha_star	Angle between lattice vectors \(\mathbf{b}^{\ast}\) and \(\mathbf{c}^{\ast}\) in degrees.
angles	Tuple of lattice parameter angles \(\alpha^*, \beta^*, \gamma^*\).
b1	Lattice vector \(\mathbf{b}_1=\mathbf{a}^{\ast}\).
b2	Lattice vector \(\mathbf{b}_2=\mathbf{b}^{\ast}\).
b3	Lattice vector \(\mathbf{b}_3=\mathbf{c}^{\ast}\).
b_star	Length of lattice_vector \(\mathbf{b^*}\).
beta_star	Angle between lattice vectors \(\mathbf{c}^{\ast}\) and \(\mathbf{a}^{\ast}\) in degrees.
c_star	Length of lattice vector \(\mathbf{c^*}\).
cell_matrix	Matrix of lattice row vectors.
cos_alpha	\(\cos\alpha\)
cos_alpha_star	\(\cos\alpha^{\ast}\)
cos_beta	\(\cos\beta\)
cos_beta_star	\(\cos\beta^{\ast}\)
cos_gamma	\(\cos\gamma\)
cos_gamma_star	\(\cos\gamma^{\ast}\)
fmtstr	Format string.
fractional_matrix	Transformation matrix to convert from cartesian coordinates to fractional coordinates.
gamma_star	Angle between lattice vectors \(\mathbf{a}^{\ast}\) and \(\mathbf{b}^{\ast}\) in degrees.
lattice_parameters	Tuple of lattice parameters a^*, b^*, c^*, alpha^*, beta^*, gamma^*.
lattice_vectors	Tuple of lattice vectors \(\mathbf{b}_1, \mathbf{b}_2, \mathbf{b}_3\).
lengths	Tuple of lattice vector lengths \(a^*, b^*, c^*\).
matrix	Alias for cell_matrix.
metric_tensor	Metric tensor.
reciprocal_lattice	Reciprocal lattice of this Reciprocal3DLattice.
sin_alpha	\(\sin\alpha\)
sin_alpha_star	\(\sin\alpha^{\ast}\)
sin_beta	\(\sin\beta\)
sin_beta_star	\(\sin\beta^{\ast}\)
sin_gamma	\(\sin\gamma\)
sin_gamma_star	\(\sin\gamma^{\ast}\)

Methods

cartesian_to_fractional(ccoords)	Convert cartesian coordinate to fractional coordinate.
cubic(a_star)	Generate a cubic 3D lattice with lattice parameter \(a^*\).
fractional_to_cartesian(fcoords)	Convert fractional coordinate to cartesian coordinate.
hexagonal(a_star, c_star)	Generate a hexagonal 3D lattice with lattice parameters \(a^*, c^*\).
monoclinic(a_star, b_star, c_star, beta_star)	Generate a monoclinic 3D lattice with lattice parameters \(a^*, b^*, c^*, \beta^*\).
orthorhombic(a_star, b_star, c_star)	Generate an orthorhombic 3D lattice with lattice parameters \(a^*, b^*, c^*\).
rotate([angle, axis, anchor_point, ...])	Rotate unit cell.
tetragonal(a_star, c_star)	Generate a tetragonal 3D lattice with lattice parameters \(a^*, c^*\).
todict()	Return dict of Reciprocal3DLattice parameters.
translate(t)	Translate lattice.
triclinic(a_star, b_star, c_star, ...)	Generate a triclinic 3D lattice with lattice parameters \(a^*, b^*, c^*, \alpha^*, \beta^*, \gamma^*\).
wrap_cartesian_coordinate(p[, pbc])	Wrap cartesian coordinate to lie within unit cell.
wrap_fractional_coordinate(p[, epsilon, pbc])	Wrap fractional coordinate to lie within unit cell.