CSPrimPolygon

class CSXCAD.CSPrimitives.CSPrimPolygon

Bases: CSPrimitives

Polygon Primitive

A polygon is a surface defined by a set of 2D points/coordinates. To place the polygon in a 3D space, a normal direction (x/y/z) and an elevation in this direction have to be specified.

Parameters:

points(N,2) array: Array of coordinates
norm_dirfloat or str: Normal direction, either 0,1,2 or x/y/z respectively
elevationfloat: Elevation in normal direciton

Examples

Define a half circle as polygon

>>> polygon = CSPrimitives.CSPrimBox(pset, metal, norm_dir='z', elevation=1.0)
>>> ang     = np.linspace(0, np.pi, 21)
>>> polygon.SetCoords(5*np.cos(ang), 5*np.sin(ang))

ClearCoords(): Remove all coordinates.

GetCoords()

Get the coordinates for the polygon

Return x0, x1:: (N,), (N,) Arrays for x0,x1 of the polygon coordinates

GetElevation()

Get the elevation in normal direction.

Return val:: float – Get the elevation in normal direction.

GetNormDir()

Get the normal direction.

Return ny:: int – Normal direction as 0, 1 or 2 meaning x,y or z

GetQtyCoords()

Get the number of coordinates for the polygon

Return val:: int – Number of polygon coordinates.

SetCoords(x0, x1)

Set the coordinates for the polygon. This will clear all previous coordinates.

Parameters:: x1 (x0,) – (N,), (N,) Two arrays for x0/x1 of the polygon coordinates.

SetElevation(val)

Set the elevation in normal direction.

Parameters:: val – float – Elevation in normal direction.

SetNormDir(ny)

Set the normal direction.

Parameters:: ny – int or string – Normal direction, either 0/1/2 or ‘x’/’y’/’z’