Problem with export grid on tornado

[ole]

Starting in changeset:4463 there is an error that only shows up on the 64 bit tornado cluster (see below). The error is not there in changeset:4461 and there is something else going on in changeset:4462 which may be masking error.

====================================================================== FAIL: Test that sww information can be converted correctly to asc/prj

---

Traceback (most recent call last):

File "shallow_water/test_data_manager.py", line 1345, in test_export_grid

format = 'asc')

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1673, in export_grid

format)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1932, in sww2dem

interp = Interpolate(vertex_points, volumes, verbose = verbose)

File "fit_interpolate/interpolate.py", line 91, in init

max_vertices_per_cell)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/fit_interpolate/general_fit_interpolate.py", line 84, in init

self.mesh = Mesh(vertex_coordinates, triangles)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/neighbour_mesh.py", line 89, in init

verbose=verbose)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/general_mesh.py", line 176, in init

assert self.areas[i] > 0.0, msg

AssertionError?: Triangle (0.000000,0.000000), (0.000000,0.000000), (0.000000, 0.000000) is degenerate: area == 0.000000

====================================================================== FAIL: Test that sww information can be converted correctly to asc/prj

---

Traceback (most recent call last):

File "shallow_water/test_data_manager.py", line 1421, in test_export_gridII

format = 'asc')

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1673, in export_grid

format)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1932, in sww2dem

interp = Interpolate(vertex_points, volumes, verbose = verbose)

File "fit_interpolate/interpolate.py", line 91, in init

max_vertices_per_cell)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/fit_interpolate/general_fit_interpolate.py", line 84, in init

self.mesh = Mesh(vertex_coordinates, triangles)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/neighbour_mesh.py", line 89, in init

verbose=verbose)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/general_mesh.py", line 176, in init

assert self.areas[i] > 0.0, msg

AssertionError?: Triangle (0.000000,0.000000), (0.000000,0.000000), (0.000000, 0.000000) is degenerate: area == 0.000000

====================================================================== FAIL: Test that sww information can be converted correctly to asc/prj

---

Traceback (most recent call last):

File "shallow_water/test_data_manager.py", line 1546, in test_export_gridIII

format = 'asc')

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1673, in export_grid

format)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/shallow_water/data_manager.py", line 1932, in sww2dem

interp = Interpolate(vertex_points, volumes, verbose = verbose)

File "fit_interpolate/interpolate.py", line 91, in init

max_vertices_per_cell)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/fit_interpolate/general_fit_interpolate.py", line 84, in init

self.mesh = Mesh(vertex_coordinates, triangles)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/neighbour_mesh.py", line 89, in init

verbose=verbose)

File "/d/cit/1/cit/unixhome/onielsen/inundation/anuga_core/source/anuga/abstract_2d_finite_volumes/general_mesh.py", line 176, in init

assert self.areas[i] > 0.0, msg

AssertionError?: Triangle (0.000000,0.000000), (0.000000,0.000000), (0.000000, 0.000000) is degenerate: area == 0.000000

---

Ran 617 tests in 39.309s

FAILED (failures=3, errors=1)