Arc2D 
Arc2D is a linebased geometry node that defines a linear circular arc with center (0,0) in XY plane, with angles measured starting at positive xaxis and sweeping towards positive yaxis.

ArcClose2D 
ArcClose2D is a polygonal geometry node that defines a linear circular arc, closed by PIE or CHORD line segments, with center (0,0) in XY plane, with angles measured starting at positive xaxis and sweeping towards positive yaxis.

Circle2D 
Circle2D is a geometry node that defines a linear XY circle with center (0,0) in XY plane.

Disk2D 
Disk2D is a geometry node that defines a filled (or partially filled) planar circle with center (0,0).

Polyline2D 
Polyline2D is a geometry node that defines a connected set of vertices in a contiguous set of line segments in XY plane.

Polypoint2D 
Polypoint2D is a geometry node that defines a set of 2D points in XY plane.

Rectangle2D 
Rectangle2D is a geometry node that defines a 2D rectangle in XY plane.

TriangleSet2D 
TriangleSet2D is a geometry node that defines a set of filled 2D triangles in XY plane.
