vamseeachanta CLI Execution (+3)
CLI Execution
# Run ParaView Python script (with GUI libraries, offscreen)
pvpython script.py
# Run in pure batch mode (no GUI libraries needed)
pvbatch script.py
# Parallel execution with MPI
mpirun -np 4 pvbatch script.py
# With offscreen rendering (mesa)
pvbatch --force-offscreen-rendering script.py
# Specify specific mesa/EGL
DISPLAY=:0 pvpython script.py
pvpython vs pvbatch
| Feature | pvpython | pvbatch |
|---|---|---|
| GUI available | Yes (can show windows) | No (headless only) |
| MPI parallel | No | Yes |
| Offscreen | Via --force-offscreen-rendering |
Default |
| Use case | Interactive scripts, debugging | Production batch jobs |
CLI Flags
| Flag | Purpose |
|---|---|
--force-offscreen-rendering |
Force offscreen (no display needed) |
--mesa |
Use Mesa software rendering |
-dr |
Disable registry (ignore saved settings) |
--state=file.pvsm |
Load ParaView state file |
--data=file.vtk |
Load data file |
Environment Setup
# Typical ParaView environment (installed via package manager)
export PATH=/usr/bin:$PATH # pvpython, pvbatch in standard path
# Or from tarball installation
export PARAVIEW_HOME=/opt/ParaView-5.12
export PATH=$PARAVIEW_HOME/bin:$PATH
export LD_LIBRARY_PATH=$PARAVIEW_HOME/lib:$LD_LIBRARY_PATH