Iray for Cinema 4D Release Version 2.0 New Features Improved MDL Material Browser Stacking of MDL Material Layers

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1 Iray for Cinema 4D Release Version 2.0 Version , Iray Copyright 2017 NVIDIA Corporation Improved MDL Material Browser The MDL Material Browser has been greatly enhanced to allow quick and easy search and selection of desired MDL materials. A new search bar has been added to show only relevant materials along with their thumbnail images. The icon size can be adjusted as needed. The MDL tree can now also be navigated with the keyboard. The MDL materials can be dragged out of the window directly onto the Cinema object. Stacking of MDL Material Layers The MDL layer material components now also support the common Cinema way of layering by stacking multiple MDL material layers on an object. This is greatly simplifying the use of the MDL core definitions to construct complex materials from base layers, like adding a coating layer on top of a diffuse paint. Previously, such layers had to be linked explicitly by referencing the lower layer in the "base material" parameter of the upper layer. This is now automatically handled when such two MDL layers are stacked one after the other onto the Cinema object. New Customizable LPE System The Light Path Expression (LPE) editor in the Render Settings has been redesigned. The LPE definitions are now kept in separate files on disk. Those files can contain Python language to dynamically create the actual LPE string expression from the current scene description. The LPEs from the previous plugin version have been transferred to the new system, and extended to provide new capabilities, like "create a render pass for each light source in the scene". Live Rendering Stereoscopic The Iray Live Render now supports to render stereoscopic output, as defined by Cinema's stereoscopic options. Once stereoscopic is enabled in the Render Settings the Iray rendering will produce the two images for each eye in one go, and also merge and tint them as set in the options, like anaglyph, side-by-side, or top-bottom. MDL Archives The recently introduced MDL Archives are now supported in the plugin. This means, that MDL archives will be imported and displayed in the NVIDIA MDL Material browser like regular MDL assets. Such archives provide an easier way to transfer MDL designs including all texture files.

2 MDL Replacement for Cinema Shaders It is now possible to provide MDL implementations of native Cinema shaders and third-party nodes. The plugin will search for MDL files on disk that are written as Iray-compatible replacement for existing Cinema nodes. This opens new possibilities for direct and optimal support of external shaders in Iray, and allows customization by experienced Iray users and MDL material designers. This mechanism also covers the Cinema sky object and the Background object. IES Light Profiles in MDL IES light profiles from disk files can be properly used and applied in respective MDL nodes like the core definition "IES file based emission". Cinema Bitmap Texture in MDL The Cinema file texture node provides extensive support for advanced features like: layer selection, reading of movie file formats and extraction of individual frames, support of file sequences, use of vector graphics file formats like.ai or.pdf, and more. These powerful options are now available to MDL material nodes as well, via smart evaluation and baking in the plugin. All it takes is to use the Cinema file texture node as MDL input instead of the default MDL file texture selection. The plugin will retrieve the resulting bitmap from Cinema and pass it to MDL as a (baked) texture. If possible, the original image resolution is used for internal baking to retain the image quality. Substance Shader Support The output of the Substance engine in Cinema was already supported by the Iray plugin through texture baking. This has been optimized to that baking is skipped but the resulting bitmap textures are taken "as is" to Iray, retaining the original resolution and quality of the Substance output. Proxy Server for Iray Remoting The Iray Preferences add new options to define a proxy server for remote rendering via Iray Queuing or Iray Streaming. They are typically used in corporate network environments where access to the Internet is passed through a secure proxy server. Live Render respects Image Color Profile set in Render Settings/Save Tone Mapping enabled by default in Iray Camera Tag Render the material swatch only with local resources, never remote The Backplate in the Iray Camera Tag and the Cinema Background object now support baked Cinema shaders as well as MDL file texture as the backplate function Add support for stacked emission weighted over cutout Speed up the preparing phase of Iray rendering Add buttons for "" and "What's New" in Help browser Add IES light profile support in MDL

3 Use Iray "photoreal" for material swatch rendering, not "interactive" Show "What's New" info on first start of new plugin version Add MDL replacement support for Cinema's Gradient data type The "Save project with assets" now adds MDL files and dependencies Add basic MoGraph color shader support New Aperture options in Iray Camera Tag New About dialog with detailed version numbers and "Send Feedback" button The MDL material swatch respects preset render time, if none set cancel after 5 sec. The default time limit for MDL swatch set to 2 sec or 10 iterations The material swatch scene can be changed and rotated Use MDL file_bump_texture for any float3 parameters by default Add undo support when changing between values and shaders in MDL Fix Live Render update when editing the Cinema Sky object Fix wording and names in UI titles Fix crash if backplate was added while Live Render is running Fix crash if backplate was removed in Live Render Fix Live Render flickering Fix Iray Queuing of multiple consecutive jobs Fix potential memory leaks Fix material swatch if error was detected Fix "normal" render pass on Mac Fix crash when scrubbing timeline Fix Backplate UI toggle between texture and color Fix MDL core definition IES parameters Fix issue where C4D Sky object was not updated correctly Fix deletion of MDL material when selected Fix crash for stacked materials Fix Live Render updates for UV changes Fix possible freeze on some machines when queuing job is submitted to Iray Server Fix Iray Queuing for most recent editions of Iray Server Fix possible crash on shutdown after Iray Server disconnect Fix mapping related to file_bump_texture change Live Render and material swatch now respect removal of textures Fix crash if Live Render and MDL editor are opened at the same time

4 Iray for Cinema 4D Release Version 1.4 Version 1.4.3, Iray Camera Motion Blur The animation of the camera view is now rendered with motion blur if the effect is enabled in the Iray Render Settings. Note, that motion blur is rendered only in final frames, like in Picture Viewer or in batch rendering using Iray Queuing. Extended GPU Support on Mac The plugin is based on the most recent Iray update of the core rendering engine. This adds support for more recent NVIDIA GPU generations on the Mac, like Kepler and Maxwell cards, including Quadro K6000 up to M6000, as well as GeForce GTX 900 series and its Titan Z and Titan X editions. Add enhanced "About" box and link to Iray menu, remove About tab from Render Settings Add IES light profile support in emitting MDL materials, like MDL core definitions Fix Live Render update when editing the Cinema Sky object

5 Iray for Cinema 4D Release Version 1.3 Version 1.3.1, Iray Backplate in Iray Camera Tag The Iray Camera Tag exposes new options to set a backplate texture. That allows using an arbitrary image for the background of the rendering but still apply the Iray Environment like IBL or Sun&Sky environment for lighting. The position and scaling of the backplate can be adjusted, as well as other options like applying camera lens effects or tone mapping. The backplate supports to use regular images but also allows to connect Cinema 4D shaders (that will be baked underneath) and MDL functions like mdl::base::file_texture. Known Limitations: the backplate is not displayed in Cinema's viewport unlike the Background object, see below. Support Cinema's Background Object The Cinema 4D Background Object is now supported as well. It will be converted to the Iray Camera backplate automatically. The placement and scaling of the Background Object s texture is respected. Added separate buttons for "" and "What's New" in the Iray Help browser Show the "What's New" page on first launch of the plugin (if an older version was installed previously). Fix the "Open Browser" button for Iray Queuing on Mac Fix for certain MDL changes while Live Rendering Fix potential crash when disconnecting from a VCA Fix UI titles and names in few cases Fix crash if backplate was added while Live Render was running Fix problem with Live Render when backplate was removed

6 Iray for Cinema 4D Release Version 1.2 Version 1.2.0, Iray Iray Version The plugin is using the most recent Iray rendering engine. This adds support for NVIDIA s latest Pascal-generations GPUs. It also improves the recently introduced VR camera support and stereoscopic output, which is exposed in the Iray plugin for Cinema 4D. Other Features Updated MDL Exchange Package 1.3 New Professional Application Center, replacing former Iray License Manager The MDL material swatches are rendered just with local resources, never remotely Fix for Iray Queuing Open Browser button not working sometimes Fix for flickering in Live Render Iray Queuing fixed for multiple jobs Fixes potential memory leaks when swapping scenes Fixed MDL search path in Preferences on Mac Fixed saving LPE multi-pass files with special characters

7 Iray for Cinema 4D Release Version 1.1 Version , Iray VR Camera for 360 Rendering To enable rendering of a 360 view of the scene, the Iray Camera Tag got a new Lens tab with new built-in lens types to choose from. The spherical lens type can be used to render a surround view from the actual camera position this Iray Tag is attached to. If that same camera is set to use as render view then the rendering can be watched live in the Live Render window, or Iray Live viewport. Iray Rendering in Viewport If Iray has been selected as the renderer of choice in the Render Settings, then the Cinema 4D viewport will activate a new menu Iray Live. It allows to enable rendering with Iray directly into the viewport, with similar behavior to the Live Render window. Any view interactions and scene manipulations are recognized and immediately rendered with Iray, and shown as an additional background layer behind the regular viewport controls. The resolution of the Iray output can be adjusted to tune for speed or quality. MDL Materials The plugin comes with the latest MDL Exchange 1.2 package, which fixes several known issues and adds the latest MDL core definitions. A new MDL file cache has been added for faster startup time in subsequent Cinema sessions. The controls for the cache like reload and clear are exposed in the Preferences. As a consequence, if an MDL preset has been exported it will now show up immediately within the same session, triggering an auto-refresh of the cache. Other Features New support for instanced lights in final frame render New support for default material color New support for Matte Objects through settings in Object Tag Live Render now shows depth pass correctly as gray-scale image Faster batch render update cycle Huge speedup for material preview rendering Speedup for image display in live render

8 Changing MDL type now possible without restarting Live Render Live Render keeps scene between runs Output scaling support for Live Render Avoid unnecessary updates of materials in some scenes Multi-pass files can now be saved, invalid characters get auto-replaced. UI and Workflow Changes Iray Preferences now also linked in Iray menu Added support for "remove unused materials" Added support for replacing materials Added support for renaming files in Texture Info dialog LPE Handle renamed Camera Tag options shown in Camera Object Fix for animation rendering Fix black frame in render view Fix camera tag reset to defaults Fix on/off toggle in Live Render Fix Iray Queuing now shows error codes if something went wrong Fix format for Iray Queuing Fix progress bar for Iray Queuing Fix polygon selection if only one material was attached Fix Live Render update of polygon selection Fix crash for missing UV spaces Fix cylinder light rotation Fix generator objects in first frame of Live Render Fix differences between Live Render and Picture Viewer for missing materials Fix texture mapping for sub-materials with C4D shaders

9 Copyright Information 2017 NVIDIA Corporation. All rights reserved. This document contains proprietary and confidential information of NVIDIA Corporation and is protected under copyright law. The contents of this document may not be disclosed to third parties, translated, copied or duplicated in any form, in whole or in part, without the express written permission of NVIDIA Corporation. The information contained in this document is subject to change without notice. NVIDIA Corporation and its employees shall not be responsible for incidental or consequential damages resulting from the use of this material or liable for technical or editorial omissions made herein. NVIDIA and the NVIDIA logo are registered trademarks of NVIDIA Corporation. Imatter, IndeX, Iray, mental images, mental ray, and RealityServer are trademarks and/or registered trademarks of NVIDIA Corporation. Other product names mentioned in this document may be trademarks or registered trademarks of their respective companies and are hereby acknowledged.