Comments (2)
from amrclaw.
You are right that in general the ghost cell values are never used in plotting or other postprocessing, and in fact they are stripped off when using the standard pyclaw routines to read binary (in pyclaw/src/pyclaw/fileio/binary.py
). So it probably doesn't matter in general whether they are correct.
However, for some purposes having the ghost cells could be useful, e.g. I have used them in computing vorticity in a postprocessing step, in which case the velocities have to be differentiated, and so having values in ghost cells on each patch allows using centered differences everywhere.
The amrclaw code is identical to geoclaw in how binary files are written, but for some reason doesn't call bound
. I will go ahead and add this.
from amrclaw.
Related Issues (20)
- Remove extraneous function variations
- Remove fixed number of grids
- Add generalized aux variable setting by multiple files HOT 1
- Add example for new gauge output formats
- subroutine outlev in src/2d needed? HOT 1
- clean up tick.f and sync up 1d, 2d, 3d
- 7 nosetests fail when trap uninitialized variable flag is on, due to num_dim in valout.f90 HOT 1
- Add UNSET option to amrflags in 3d code
- Binary output : writing out ghost cells? HOT 11
- Adding new limiters? HOT 4
- Remove `do` loops that do not have a `continue` or `end do`
- Strange output for timing results HOT 5
- Gauge info not used in 1d
- Allow different AMR flag methods on each level HOT 5
- Remove "free list" output to the console
- Timer Initialization in 1D is a Mess
- Remove `output_format == 4` option (hdf and/or netcdf)? HOT 1
- Add a Burgers' equation 1D example
- add some plotting to 3d examples
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