dolfin team mailing list archive

[Ted Kord <question97807@xxxxxxxxxxxxxxxxxxxxx>]

Question #97807 on DOLFIN changed:
https://answers.launchpad.net/dolfin/+question/97807

    Status: Answered => Open

Ted Kord is still having a problem:
No, V's not a vector-valued space.

By duplicates, I mean that the vertices that are on a common edge
between elements are repeated in the enumeration. For example, for a
4x4 rectangle with 2 P2 elements, i.e.,  nx = ny = 1

    Rectangle mesh(0.0, 0.0, 4.0, 4.0, nx, ny)

V.dofmap().tabulate_coordinates(...)  produces:

0:  (0, 0)
1:  (4, 0)
2:  (4, 4)
3:  (4, 2)
4:  (2, 2)
5:  (2, 0)
6:  (0, 0)
7:  (0, 4)
8:  (4, 4)
9:  (2, 4)
10: (2, 2)
11: (0, 2)

Vertices 0 and 6, 2 and 8, 4 and 10 are repeated.

I'd like to eliminate these without sorting so that the vertices are
still evaluated in the correct order.

Is there already a function to do this or is there a better way?

Ted

-- 
You received this question notification because you are a member of
DOLFIN Team, which is an answer contact for DOLFIN.