geometric

Phantoms given by simple geometric objects such as cubes or spheres.

Functions

cuboid(space[, min_pt, max_pt])	Rectangular cuboid.
defrise(space[, nellipses, alternating, …])	Phantom with regularily spaced ellipses.
defrise_ellipses(ndim[, nellipses, alternating])	Ellipses for the standard Defrise phantom in 2 or 3 dimensions.
ellipsoid_phantom(space, ellipsoids[, …])	Return a phantom given by ellipsoids.
indicate_proj_axis(space[, scale_structures])	Phantom indicating along which axis it is projected.
smooth_cuboid(space[, min_pt, max_pt, axis])	Cuboid with smooth variations.
tgv_phantom(space[, edge_smoothing])	Piecewise affine phantom.