MADNESS
0.10.1
|
An ellipsoid (3 dimensions) More...
#include <sdf_shape_3D.h>
Public Member Functions | |
SDFEllipsoid (const coord_3d &radii, const coord_3d ¢er) | |
Constructor for ellipsoid. More... | |
coord_3d | grad_sdf (const coord_3d &pt) const |
double | sdf (const coord_3d &pt) const |
Computes the normal distance. More... | |
Public Member Functions inherited from madness::SignedDFInterface< 3 > | |
virtual | ~SignedDFInterface () |
virtual Vector< double, NDIM > | grad_sdf (const Vector< double, NDIM > &x) const=0 |
Returns the gradient of the signed distance from the surface (i.e., dsdf(x)/dx [i] ) More... | |
virtual double | sdf (const Vector< double, NDIM > &x) const=0 |
Returns the signed distance from the surface,. More... | |
Protected Attributes | |
coord_3d | center |
the center More... | |
coord_3d | radii |
the directional radii More... | |
An ellipsoid (3 dimensions)
Constructor for ellipsoid.
radii | The directional radii of the ellipsoid |
center | The center of the ellipsoid |
Computes the gradient of the SDF.
pt | Point at which to compute the gradient |
References MADNESS_EXCEPTION.
|
inline |
Computes the normal distance.
This SDF naively uses contours, and should be improved before serious usage.
pt | Point at which to compute the distance from the surface |
References center, radii, and madness::sum().