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Maxwell Render 2.5 User Manual

Chapter 11. The Network System | 93

This is a tricky hack, and you’ve got to adjust the write and read permissions, and be root

to be able to mount the shared folders, but it works and can sometimes be the easiest

solution.

11.08 Using a 3rd party job manager with Maxwell Render

Maxwell can run as a command line application so it can be controlled from any external

process though command line ags. It allows you to connect it to any job manager in an

standard way.

The most typical scenario is rendering a single job or an animation. In that case the job

manager just has to call maxwell using the following command line (be aware the paths

could be different in each system):

> C:\program files\next limit\Maxwell 2\maxwell.exe -scene:”D:\scenes\

test.mxs” -mxi:”D:\output\test.mxi” -o:”D:\output\test.tiff” -sl:15

-res:1024x768 -nogui -nowait -node

This command line instruction opens Maxwell Render and renders the scene “test.mxs”

with the given sampling level and resolution and saves the output in the paths specied

with the “-mxi” and the “-o” ags.

The ag “-nogui” forces Maxwell to run in console mode. The ag “-nowait” forces Maxwell

to close after the render nishes. The ag “-node” forces Maxwell to use a node license

instead a full license.

See Appendix III for a full list of command line ags, or type:

> maxwell.exe -help

to learn more about Maxwell Render command line ags.

If the paths contain spaces they should be placed inside quotes as shown in the example.

To avoid typing the full path to the Maxwell executable in Windows every time, you can

append it to the PATH environment variable. Typing “maxwell.exe” will work no matter

where the current path is.

Maxwell Render can be killed from the job manager using any standard procedure to kill

processes. When Maxwell Render receives a kill signal it stops the render, saves the output

and closes.

It is also possible to run cooperative renders (more than one machine rendering the same

scene) through the command line.

To do so just follow these steps:

1. Render as many images as you want, using a different seed in each one. The seed

can be set with the ag “-cpuid:ID”

2. Merge the MXI output of all of them into one MXI le. To do so, use the mximerge

tool included with the Maxwell Render package. For example, let’s say you have

rendered ten MXI les that are in the folder D:\myproject\output.

To merge them just type:

> C:\program files\next limit\Maxwell 2\mximerge.exe -folder:”D:\

myproject\output\” -target:”C:\merge_test.mxi” -image:”C:\merge_test.

png”

This command line instruction merges all the MXI les located in the folder “ D:\myproject\

output\” into one “merge_test.mxi” and it also extracts the image and saves it in “C:\

merge_test.png”

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