LoopStructural.datatypes.Surface#

class LoopStructural.datatypes.Surface(vertices: numpy.ndarray, triangles: numpy.ndarray, normals: numpy.ndarray | None = None, name: str = 'surface', values: numpy.ndarray | None = None, properties: dict | None = None, cell_properties: dict | None = None)#

Bases: object

__init__(vertices: ndarray, triangles: ndarray, normals: ndarray | None = None, name: str = 'surface', values: ndarray | None = None, properties: dict | None = None, cell_properties: dict | None = None) None#

Methods

__init__(vertices, triangles[, normals, ...])

from_dict(d[, flatten])

save(filename[, replace_spaces, ext])

to_dict([flatten])

vtk()

Attributes

cell_properties

name

normals

properties

triangle_area

_summary_

triangle_normal

_summary_

values

vertices

triangles

property triangle_area#

_summary_

Returns:

_type_ – _description_

Notes

Area of triangle for a 3d triangle with vertices at points A, B, C is given by det([A-C, B-C])**.5

property triangle_normal: ndarray#

_summary_

Returns:

np.ndarray – numpy array of normals N,3 where N is the number of triangles

Notes

The normal of a triangle is given by the cross product of two vectors in the plane of the triangle