Garth suggested removing Qt dependency. Here are some facts to be
considered
1. DOLFIN links to libQtCore, libQtGui
- cost:
- linking problems, recently on support mailing list but
rather rare
- size of libdolfin.so, Release build type, with everything
except PaStiX and slepc4py:
- with Qt 8M
- without Qt 8M
- memory footprint after "from dolfin import *"
VIRT RES SHR
- with Qt 751M 101M 39M
- without Qt 679M 97M 48M
This is rather negligible.
- advantages:
- Plot window can be closed!
2. there is plot-qt demo demonstrating how interactive widget allowing
- basically what usual VTK plotting does
- plus reporting some numbers on mouse hover
- plus marking cells by clicking on them
for the prize of 252 lines of C++ code (without comments and blank
lines). According to git log in that directory, it seems that
the code is not fragile and did not need maintenance nearly at all
so far.
Similarly, Qt, QVTK related code in dolfin/plot is rather minimal
and does not require much maintenance. But this isn't so
straightforward to check.
Jan
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