The newest version of Dolfin 1.4 in the fenics PPA for Ubuntu 14.04 does not
seem to be compiled with CGAL (worked fine before an update today).
> has_cgal()
False
This prevents for instance the use of CircleMesh, and gives the error:
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/lib/python2.7/dist-packages/dolfin/cpp/mesh.py", line 8006, in
__init__
_mesh.CircleMesh_swiginit(self,_mesh.new_CircleMesh(*args))
RuntimeError:
*** -------------------------------------------------------------------------
*** DOLFIN encountered an error. If you are not able to resolve this issue
*** using the information listed below, you can ask for help at
***
*** [email protected]
***
*** Remember to include the error message listed below and, if possible,
*** include a *minimal* running example to reproduce the error.
***
*** -------------------------------------------------------------------------
*** Error: Unable to generate ellipse mesh.
*** Reason: Generation of ellipse meshes requires DOLFIN to be configured with
CGAL.
*** Where: This error was encountered inside EllipseMesh.cpp.
*** Process: unknown
***
*** DOLFIN version: 1.4.0
*** Git changeset: unknown
*** -------------------------------------------------------------------------
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