Visualization

Delta A40 nodes support NVIDIA ray tracing hardware.

ParaView

Client Server Mode - unsupported

MIT Engaging cluster ParaView client server mode documentation.

Client server mode appears broken. When setting up SSH tunnel, as shown, you get this on the client side:

Connection failed during handshake.
vtkSocketCommunicator::GetVersion()
 returns different values on the two connecting processes
 (Current value: 100).

At least one site does not support client-server anymore (due to issues like this one from the RWTH HPC IT Center help page).

PvPython and PvBatch

PvPython and PvBatch work and are available. Suggest reviewing the ParaView PvPython and PvBatch wiki and using only the PvBatch part of ParaView:

[arnoldg@dt-login02 ~]$ cd paraview_pvbatch/
[arnoldg@dt-login02 paraview_pvbatch]$ vi greenSphere.py  # sample from URL above for pvpython
[arnoldg@dt-login02 paraview_pvbatch]$ pvpython greenSphere.py
[arnoldg@dt-login02 paraview_pvbatch]$ ls
greenSphere.py  greenSphereScreenshot.png

greenSphereScreenshot.png:

VisIt

VisIt is an open-source visualization and data analysis tool.

How to Use VisIt in Open OnDemand (OOD)

Start an OOD Desktop session.
In the Desktop app, open a Terminal.
Load VisIt.
```
$ module load visit
```
Start VisIt.
```
$ visit
```

To load the VisIt example data, noise.silo, follow these steps:

Under Sources, click Open.
In Path, navigate to /sw/external/visit/visit3_3_3.linux-x86_64/data and select the noise.silo file.
Click Add and select Volume, then hardyglobal.
Click Draw. The data will render in the adjacent window.