If you enable the Console preference “bring log window to front” it will pop up automatically with each mental ray rendering of that scene using the -log command. Double-clicking on the file in the Mac Finder will open the Console App, giving a similar experience to the message display on other platforms. It will create a file with the fixed name “mentalray.log”, typically residing in the last opened scene file directory. It can be enabled on the Maya command line like this (also useful for a Shelf button): Mayatomr -preview -log There is a workaround for preview rendering, though, using mental ray for Maya’s built-in log facility that works separately to the system log. The batch rendering is not affected since it writes the messages to a file. The message log for mental ray preview rendering has disappeared a few Mac OS X versions back, also due to a system change that handles console output. Our developers are currently diving into it, to come up with a solution as soon as possible. mental ray is obviously also affected, and shows unexpected interruptions, or even gets blocked completely during rendering. But the most recent “Mavericks” update of OS X, version 10.9, seem to have changed some multi-threading behavior of the kernel.
That keeps it quite independent from frequent Mac OS X updates, which typically just touch the application levels of the operating system. What about mental ray ? Well, it is only dependent on the underlying Unix basis “Darwin” with its stable and standardized interfaces. Although it might even be more confusing to use Qt and non-Qt side by side. Switching to the “OS native” file dialog is possible in the Maya preferences. For example, the unique use of Mac specific keyboard shortcuts is puzzling, like in the “open scene” window. Even the configuration files, “Maya.env” and “maya.rayrc”, work identically. mi files that have been generated on other platforms can simply be used on the Mac.
No problem, since Maya offers the same Qt user interface and experience like on Windows or Linux. You love to stay on your Mac and use mental ray for Maya?
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