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This page offers a tutorial on how to set up V-Ray for Houdini to work as a Standalone renderer

 

Overview


 

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In this step-by-step walk-through, we show the process of setting up V-Ray for Houdini to work as a Standalone renderer.

A Windows 10 machine is used in this guide but the process is identical under Linux.

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This setup does not require a Houdini installation on the client machines.

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Getting the

required libraries

Required Libraries


 

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The V-Ray integration in Houdini relies on some 3-rd party libraries shipped by default with every Houdini installation.

In order to start V-Ray for Houdini as a Standalone renderer, the location of those libraries should be specified so V-Ray knows where to find them.

The required files are:

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libpng13.dll
qminimal.dll
qoffscreen.dll
Qt5Core.dll
Qt5Gui.dll
Qt5Widgets.dll
qwindows.dll
zlib1.dll

Those files can be found in the Houdini installation folder. By default, the path is "C:\Program Files\Side Effects Software\Houdini 17.5.327".

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Create a new folder inside the V-Ray for Houdini directory and place the dll files inside.

In this example, the folder name is 'qt'.

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Open a new Command Prompt window and set the following variable (where the path would depend on the location of the 'qt' folder on your machine):

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set QT_QPA_PLATFORM_PLUGIN_PATH = C:\Users\Gosho\Downloads\vray_adv_41203_houdini17.5.293_a675c3e_5059\qt

Add the variable to the system path as follows:

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set PATH=%PATH%;%QT_QPA_PLATFORM_PLUGIN_PATH%
Finally, start V-Ray as a Standalone by calling the vray.exe file in the appsdk\bin folder of your V-Ray for Houdini directory (where the path depends on your local V-Ray for Houdini setup):
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C:\Users\Gosho\Downloads\vray_adv_41203_houdini17.5.293_a675c3e_5059\appsdk\bin\vray.exe -server
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Setting those variables directly in the command prompt, as shown in the image below, will only preserve them until the Command Prompt window is closed.

If you want to set the variables permanently, do so from the System Properties → Environment Variables window.

 


 

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To the right is an image showing how this looks in the Command Prompt window.

That is all.

You should now be able to send render jobs to the machine.

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 A Houdini installation is not required on machines running this setup.

You could place the V-Ray for Houdini folder on a network location and start V-Ray in server mode on multiple client machines.

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