Features for Creating Geometric Primitives
Table 3-1
is an overview of the features for creating 3D geometric primitives:
Table 3-1:
3D Geometric Primitives
Name
Description
BezierPolygon
Chain of connected line segments, quadratic or cubic curves
Block
Right-angled parallelepiped (box)
Cone
Right circular cone or cone frustum
CubicBezier
Rational Bézier curve of degree 3
Cylinder
Right circular cylinder
ECone
Oblique cone or cone frustum with elliptic base
Ellipsoid
Ellipsoid
Helix
Helix solid, surface, or curve
Hexahedron
Hexahedron bounded by bilinear faces
LineSegment
Line segment between two vertices or points
ParametricCurve
Curve defined by coordinate expressions
ParametricSurface
Surface defined by coordinate expressions
Point
One or several points
Polygon
Chain of connected line segments
Pyramid
Rectangular pyramid
QuadraticBezier
Rational Bézier curve of degree 2
Sphere
Sphere or ball
Tetrahedron
Tetrahedron
Torus
Torus
Table 3-2
is an overview of the features for creating 2D geometric primitives:
Table 3-2:
2D Geometric Primitives
Name
Description
BezierPolygon
Chain of connected line segments, quadratic or cubic curves
Circle
Circle or disc
CircularArc
Circular arc
CubicBezier
Rational Bézier curve of degree 3
Ellipse
Ellipse
LineSegment
Line segment between two vertices or points
ParametricCurve
Curve defined by coordinate expressions
Point
One or several points
Polygon
Chain of connected line segments
QuadraticBezier
Rational Bézier curve of degree 2
Rectangle
Rectangle
Square
Square
Table 3-3
is an overview of the features for creating 1D geometric primitives:
Table 3-3:
1D Geometric Primitives
Name
Description
Interval
One interval, or a chain of connected intervals
Point
One or several points