Spotmask is a plug-in for Autodesk 3ds Max that renders additional precision render elements in mental ray.
World Position Pass (scene location information)
UVW Pass (texture mapping information)
Normal Pass (surface normal data)
Velocity Pass (velocity pass for motion blur post effects)
These advanced output passes allow 3d artists to make flexible adjustments to their images and animations during post processing and compositing.
Spotmask is a lightning fast and easy to use solution for the requirements of serious image and video composition workflows.
The Curvature render element determines how strongly the surface of objects bends at any given location. It differentiates between convex and concave angles. This information can be used during post-processing to detect and modify grooves and ridges on objects.
Thickness is a render element that determines the volume thickness of objects over their surface. This information can later be used to add modifications like transparency or coloration to objects based on volume instead of being uniform.
World Position Pass:
The Spotmask world postition pass offers 3d artists the ability to better select and retouch any region of the image or animation sequence after it has been rendered.
Unlike Z depth buffering the world position data saves location data independently of the camera view: even if the camera moves or the object is out of camera view it still remains masked.
This way an artist can modify color, blur, visibility or add any effect to selected areas of their rendered 3d world.
Did you ever want to change the textures in your scene after it has been rendered – without rendering it all again? UV-Pass is the perfect solution for this purpose: just add the Spotmask UVW-Pass render element to mental ray and it will deliver you the necessary mapping information. With this image information you can access and alter each texture of your image or animation.
Motion blur is without a doubt one of the most time consuming components in animation rendering.
While 3ds Max already offers 2 options to generate velocity data by default, Spotmask’s version offers a significant improvement for camera motion. The default velocity render element doesn’t generate view-dependent data and completely ignores camera movement. It only works for scenes with a static camera. The G-Buffer velocity channel does consider camera movements and creates view dependent data but the camera motion is considered incorrectly and the blur moves into wrong directions.
This render element allows you to store the directions in which all surfaces are facing. This data can later be used to generate accurate reflections for light sources that were not there during the original render. Spotmask exports from mentalray world space, object space and camera space normal directions in raw and in clamped color space.
Advantages of Spotmask?
Speed, flexibility and access to advanced image post processing abilities.
We all have customers who would like to change color, blur or any other effects – after the animations have been finished. And each of us know how much time and ressources it costs to render everything again due to a minor change in the scene. Advanced post processing methods that are facilitated by Spotmask allow you to perform these tasks efficiently in your favorite composting software (Fusion, Nuke, etc) without repeated time consuming render jobs
Spotmask is ideally suited for:
Animation artists, technical directors and film studios and everyone who renders time consuming animations that are subject to continuous changes. Furthermore, the usage of a velocity pass in compositing can create an approximated motion blur replacement that often looks almost as good as rendered motion blur – but in a fraction of the required time.
What’s new in version 1.11:
Spotmask special render elements are now fully integrated into Autodesk 3ds Max 2018 and work perfectly with the new NVIDIA Mental Ray v 19.00.00.
What’s new in version 1.10:
support for Autodesk 3ds Max 2017
new render element: Curvature
new render element: Thickness
What’s new in version 1.01:
Simultaneously with the release of Autodesk 3ds Max 2015, we have updated our plugin products. Spotmask has been updated to the version 1.01, becoming compatible to the Autodesk 3ds Max 2010, 2011, 2012, 2013, 2014 and 2015.
Spotmask is intended for the usage with the 3ds Max mental ray renderer. It fully support network rendering and distributed rendering. (Remember to install Mental Ray seperately)
Supported 3ds Max Versions:
3ds Max 2010, 2011, 2012, 2013 and 2014 (both 32 and 64 bit), 2015, 2016, 2017 and 2018.
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