MFEM NURBS mesh v1.0

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

dimension
2

elements
4
1 3 0 1 5 4
1 3 1 2 6 5
1 3 2 3 7 6
1 3 3 0 4 7

boundary
8
1 1 0 1
1 1 1 2
1 1 2 3
1 1 3 0
1 1 5 4
1 1 6 5
1 1 7 6
1 1 4 7

edges
12
0 0 1
0 4 5
1 1 2
1 5 6
2 2 3
2 6 7
3 3 0
3 7 4
4 0 4
4 1 5
4 2 6
4 3 7

vertices
8

knotvectors
5
2  3 0 0 0 1 1 1
2  3 0 0 0 1 1 1
2  3 0 0 0 1 1 1
2  3 0 0 0 1 1 1
2  3 0 0 0 1 1 1

weights
1
1
1
1
1
1
1
1
1
0.707106781
1
0.707106781
1
0.707106781
1
0.707106781
1
1
1
1
0.853553391
0.853553391
0.853553391
0.853553391

FiniteElementSpace
FiniteElementCollection: NURBS2
VDim: 2
Ordering: 1

0 0
1 0
1 1
0 1
0.358578644 0.358578644
0.641421356 0.358578644
0.641421356 0.641421356
0.358578644 0.641421356
0.5 0
0.5 0.217157288
1 0.5
0.782842712 0.5
0.5 1
0.5 0.782842712
0 0.5
0.217157288 0.5
0.15 0.15
0.85 0.15
0.85 0.85
0.15 0.85
0.5  0.108578644
0.891421356 0.5
0.5 0.891421356
0.108578644 0.5