Troubleshooting

The Maya scene crashes when I try to use it.

Please ensure you have the most recent NVIDIA drivers installed for your GPU. Go to NVIDIA’s website, select the correct driver for your hardware configuration, and follow the instructions to download and install.

Note

You must have a NVIDIA GPU with CUDA capabilities in your computer in order to run the Cheetah demo!

The Cheetah does not move when I animate it or press play.

Make sure that the Maya viewport is using Viewport 2.0 with OpenGL. We do not support Maya’s DirectX or legacy viewports.

If using Maya 2019, turn off “Cached Playback”. This feature interferes with our GPU-accelerated deformation and rendering.

Button to enable/disable playback caching in Maya 2019

The button to enable/disable Playback Caching in Maya 2019

The Maya plugin fails with a licensing error in the script editor.

Please ensure that you have a valid license file installed in the same directory as the plug-in file (zivaCheetahDemo.mll on Windows, zivaCheetahDemo.so on Linux). You may need to restart Maya in order for a newly-installed license to begin working.

If you are using a shared floating license, please consult with your license administrator. The following section contains guidelines for how the license administrator can set up a license server for floating licenses.

Floating License Setup

These instructions are for license server administrators.

Floating licenses require an RLM license server to be running and accessible to all computers running the demo software. When you download the floating license from the Ziva webstore, you must specify the hostid (aka MAC address) of the computer that the license server will be running on.

License Server Installation

If you don’t already have an RLM license server running, you will need to install one (you may already have one if you are running other software like Redshift via floating licenses). The server should be installed as a service so that it will persist and continue running indefinitely.

The RLM server will also need to to have the file “zivadyn.set” installed alongside it in order to be able to support products from Ziva Dynamics. You can download both the server executable and “zivadyn.set” from the Ziva webstore.

By default, RLM uses port 5053 to serve licenses to client computers.

Note

Please ensure that this port (and any other ports used by the license server) is opened on your license server’s firewall so that it is accessible to the other computers on your network.

Floating License Installation

Once you have an RLM license server running with “zivadyn.set” installed to it, copy the “.lic” file you receive from Ziva into the same directory as the server’s executable file. Then start the server with the “rlm” command (or re-start it with “rlmreread”).

The “rlmstat” command allows you to check if the server is running and has the expected set of licenses available. You can also use the web interface for the RLM server through your favorite web browser. By default the web interface is served on port 5054, eg: from the license server machine you can use the URL “http://localhost:5054”.

Client Setup

To give client computers access to the floating license server, please create and provide them with a separate “.lic” file (eg: “ziva_client.lic”) containing the network name of the license server and the port number being used, with the following format:

HOST <license_server_network_name> ANY 5053

This file tells the client computer to ask for a license from the license server through port 5053 (the default). It should be placed inside their local installation of the Cheetah Demo plug-in (see Installation for more details).

Alternatively, a client machine can be told where to find the license server by setting an environment variable “zivadyn_LICENSE” on the client with the following format:

zivadyn_LICENSE=5053@<license_server_network_name>

Additional Troubleshooting

For more detailed instructions on RLM license server administration, please consult RLM’s support resources.

If you are still having problems with your Cheetah Demo license, please contact support@zivadynamics.com. Please provide as much detail as you can about your network licensing setup, including your RLM server’s log file, screenshots of the server web interface, etc.