When creating an arealight, make sure you check Use Light Shape in the mental ray section! This will convert the light to a Mental Ray arealight which produces more accurate results. Increase the default number of photons to 50000: Solution: Use the slider to set the value. All seems fine, but as soon as you deselect the light and go back to its attributes, you'll see the photon intensity is back at its original value (probably the default of 8000) again. There's a nasty bug in Maya 2011 that causes the photon intensity to stay the same if you change it numerically. Set the Photon intensity to 2000 for now Scroll down to the mental ray section, enable Emit Photons. In the Shadows section make sure Use Ray Trace Shadows is checked: Make sure you make the required settings: The settings will be covered later.Ĭreate a 'normal' Maya light, typically an Area Light, Point Light or Spot Light. Open the Indirect Lighting tab and under the Global Illumination section check Global Illumination. Under Sample Options you may choose to set Filter to Triangle. Make sure the Legacy Sampling Mode is set to Adaptive Sampling and set the Max Sample Level to 1 for medium image quality. In the Quality tab under the Sampling section change the Sampling Mode to Legacy Sampling Mode to change the Anti-Aliasing Quality of the render. In the Common tab under the Image Size section change Presets to 320x240 for fast preview rendering. Reload the mental ray plug-in or restart Maya to see the changes. Check the boxes Show Maya Legacy Passes and Use Legacy Render Settings and click Save. Make sure the mental ray plug-in is already loaded! Open Windows » Settings/Preference » Preferences and choose Rendering in the Categories panel. It is possible to change it to legacy tabs similar to Maya 2015 and earlier. This also affects the standard tabs in the Render Settings of mental ray. Since Maya 2016 a major overhaul has been made to the user interface. Load your scene and open the Render Settings window.
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