Shapes

Global shapes

class geometries.nil.shapes.ball.BallShape.BallShape(location, radius)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the ball
radius (number) – the radius of the ball

geometries.nil.shapes.ball.BallShape.BallShape.BallShape: Constructor.

geometries.nil.shapes.ball.BallShape.BallShape.center

type: Point

Center of the ball

class geometries.nil.shapes.directedVerticalHalfSpace.DirectedVerticalHalfSpaceShape.DirectedVerticalHalfSpaceShape(isom)

Shape for a vertical half space in Nil

Constructor. The half space is the image by the given isometry of the half space {x < 0} The UV directions are the images of e_y, e_z

Arguments:

isom (Isometry) – the location of the half space

geometries.nil.shapes.directedVerticalHalfSpace.DirectedVerticalHalfSpaceShape.DirectedVerticalHalfSpaceShape.DirectedVerticalHalfSpaceShape: Constructor. The half space is the image by the given isometry of the half space {x < 0} The UV directions are the images of e_y, e_z

geometries.nil.shapes.directedVerticalHalfSpace.DirectedVerticalHalfSpaceShape.DirectedVerticalHalfSpaceShape.normal: The normal to the half space

geometries.nil.shapes.directedVerticalHalfSpace.DirectedVerticalHalfSpaceShape.DirectedVerticalHalfSpaceShape.pos: A point on the boundary of the half space

class geometries.nil.shapes.fakeBall.FakeBallShape.FakeBallShape(location, radius)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the ball
radius (number) – the radius of the ball

geometries.nil.shapes.fakeBall.FakeBallShape.FakeBallShape.FakeBallShape: Constructor.

geometries.nil.shapes.fakeBall.FakeBallShape.FakeBallShape.center

type: Point

Center of the ball

class geometries.nil.shapes.potato.PotatoShape.PotatoShape(location, radius, coeff1, coeff2, exp)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the potato
radius (number) – the radius of the ball
coeff1 (number) – the coefficient for the radial component
coeff2 (number) – the coefficient for the (fake) height component
exp (number) – the exponent

geometries.nil.shapes.potato.PotatoShape.PotatoShape.PotatoShape: Constructor.

geometries.nil.shapes.potato.PotatoShape.PotatoShape.center

type: Point

Center of the ball

class geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape(location, radius)

Straight geodesic in Nil, i.e. the image by an isometry the geodesic supported by the axis (Ox)

Constructor.

Arguments:

location (Isometry) – the location of the geodesic
radius (number) – the radius of the “cylinder” around the geodesic

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape.StraightGeoShape: Constructor.

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape._normal

type: Vector4

The normal of the (unique) vertical half plane containing the geodesic

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape._pos

type: Object

A point on the (unique) vertical half plane containing the geodesic

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape._trans

type: Vector4

Normal to the geodesic, inside the vertical half plane containing it

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape.normal: The normal to the (unique) vertical half plane containing the geodesic

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape.pos: A point on the (unique) vertical half plane containing the geodesic

geometries.nil.shapes.straightGeo.StraightGeoShape.StraightGeoShape.trans: The Normal to the geodesic, inside the vertical half plane containing it

class geometries.nil.shapes.verticalCylinder.VerticalCylinderShape.VerticalCylinderShape(radius, isom)

Vertical cylinder

The cylinder is the image by isom of the vertical cylinder (i.e. around the z-axis) going through the origin

Arguments:

radius (number) – radius of the cylinder
isom (Isometry) – isometry used to locate the cylinder

geometries.nil.shapes.verticalCylinder.VerticalCylinderShape.VerticalCylinderShape.VerticalCylinderShape: The cylinder is the image by isom of the vertical cylinder (i.e. around the z-axis) going through the origin

geometries.nil.shapes.verticalCylinder.VerticalCylinderShape.VerticalCylinderShape.pos

type: Point

point on the center of the cylinder

class geometries.nil.shapes.verticalHalfSpace.VerticalHalfSpaceShape.VerticalHalfSpaceShape(isom)

Shape for a vertical half space in Nil

Constructor. The half space is the image by the given isometry of the half space {x < 0} The UV directions are the images of e_y, e_z

Arguments:

isom (Isometry) – the location of the half space

geometries.nil.shapes.verticalHalfSpace.VerticalHalfSpaceShape.VerticalHalfSpaceShape.VerticalHalfSpaceShape: Constructor. The half space is the image by the given isometry of the half space {x < 0} The UV directions are the images of e_y, e_z

geometries.nil.shapes.verticalHalfSpace.VerticalHalfSpaceShape.VerticalHalfSpaceShape.normal: The normal to the half space

geometries.nil.shapes.verticalHalfSpace.VerticalHalfSpaceShape.VerticalHalfSpaceShape.pos: A point on the boundary of the half space

Local shapes

class geometries.nil.shapes.localBall.LocalBallShape.LocalBallShape(location, radius)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the ball
radius (number) – the radius of the ball

geometries.nil.shapes.localBall.LocalBallShape.LocalBallShape.LocalBallShape: Constructor.

geometries.nil.shapes.localBall.LocalBallShape.LocalBallShape.center

type: Point

Center of the ball

class geometries.nil.shapes.localFakeBall.LocalFakeBallShape.LocalFakeBallShape(location, radius)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the ball
radius (number) – the radius of the ball

geometries.nil.shapes.localFakeBall.LocalFakeBallShape.LocalFakeBallShape.LocalFakeBallShape: Constructor.

geometries.nil.shapes.localFakeBall.LocalFakeBallShape.LocalFakeBallShape.center

type: Point

Center of the ball

class geometries.nil.shapes.localPotato.LocalPotatoShape.LocalPotatoShape(location, radius, coeff1, coeff2, exp)

Fake ball in Nil. The distance under-estimator is only correct at large scale

Constructor.

Arguments:

location (Isometry|Point) – the location of the potato
radius (number) – the radius of the ball
coeff1 (number) – the coefficient for the radial component
coeff2 (number) – the coefficient for the (fake) height component
exp (number) – the exponent

geometries.nil.shapes.localPotato.LocalPotatoShape.LocalPotatoShape.LocalPotatoShape: Constructor.

geometries.nil.shapes.localPotato.LocalPotatoShape.LocalPotatoShape.center

type: Point

Center of the ball

class geometries.nil.shapes.localVerticalCylinder.LocalVerticalCylinderShape.LocalVerticalCylinderShape(isom, radius)

Vertical cylinder

The cylinder is the image by isom of the vertical cylinder (i.e. around the z-axis) going through the origin

Arguments:

isom (Isometry) – isometry used to locate the cylinder
radius (number) – radius of the cylinder

geometries.nil.shapes.localVerticalCylinder.LocalVerticalCylinderShape.LocalVerticalCylinderShape.LocalVerticalCylinderShape: The cylinder is the image by isom of the vertical cylinder (i.e. around the z-axis) going through the origin

geometries.nil.shapes.localVerticalCylinder.LocalVerticalCylinderShape.LocalVerticalCylinderShape.pos

type: Point

point on the center of the cylinder