MFEM NURBS mesh v1.0

#
# MFEM Geometry Types (see mesh/geom.hpp):
#
# SEGMENT     = 1
# SQUARE      = 3
# CUBE        = 5
#

dimension
2

elements
1
1 3 0 1 2 3

boundary
4
1 1 0 1
1 1 2 3
1 1 3 0
1 1 1 2

edges
4
0 0 1
0 3 2
1 0 3
1 1 2

vertices
4

knotvectors
2
2 3 0 0 0 1 1 1
2 3 0 0 0 1 1 1

weights
1
1
1
1

0.7071067811865475244
0.7071067811865475244

1
1

0.7071067811865475244

FiniteElementSpace
FiniteElementCollection: NURBS2
VDim: 2
Ordering: 1

0 0
2 2
1 2
0 1

2 0
1 1

0 0.5
1.5 2

1.5 0.5