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Topics - TomG

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1
Learn what’s new in Corona Renderer 7 with our free live webinar!

On Wednesday August 18th at 6pm CEST (Prague time), our host Nejc Kilar will walk you through Corona 7’s new features, and give you useful tips to become familiar with the new Physical Material. You’ll also learn about the updates to the Corona Sky with new Altitude and Volume Effect (aerial perspective) controls, rendering speedups, how glass materials now look better, — and much more!

This 60–minute presentation will cover both 3ds Max and Cinema 4D, showing you the new features in each, and ending with those changes specific to one application or the other. There will also be time for questions, so be sure to make a note of anything you want to ask as you watch and listen! During the webinar, we’ll cover topics such as:
  • Introduction to the new Corona Physical Material, including:
    • The new UI
    • Greater use of accepted industry standards such as Roughness in place of Glossiness
    • The new Clearcoat parameter
    • The new Sheen parameter
    • General improvements to glass materials
    • 35 presets to get you started with the new Physical Material
  • Several improvements to render speed in different areas
  • The new Altitude and Volume Effect parameters in the Corona Sky
  • Updates to the Material Library (which is now included in Corona for Cinema 4D!)
  • … And more!
Don’t forget this is free, so sign up now at https://corona-renderer.com/webinar-corona-renderer-7 to get the best from Corona 7!

2
Corona Renderer 7 for Cinema 4D (Release Candidate 5) is out now!

Everyone with an active FairSaaS or Box with Subscription license has access, and you can download it from:
(https://drive.google.com/drive/folders/1fAJusAWXdB2-ePLo4sWUR0Lq0RGh4nYs

We're getting ever-closer to the final release, so this is an important chance to give us your feedback and to catch any remaining bugs or other issues from real world testing.

Here are some of the bigger features in Corona Renderer 7:
  - New Physical Material - greater realism without extra work from you, and greater compatibility with other software and workflows (mapped Metalness, choice of Roughness or Glossiness mode, choice of IOR or Specular mode, and more)
  - Corona Sky with the PRG Clear Sky model (renamed from Improved) now has Volume Effect (aerial perspective), Altitude, Turbidity, and Horizon Blur
  - The Corona Material Library - hundreds of ready made materials for use in your scenes
  - Corona Volume Grid - load and render OpenVDBs using Corona
  - Improvements to hybrid and thin glass (thin glass can now have rough refraction, better shadows, and more)
  - Several rendering speed ups that add up:
  - Bucket Rendering, a 5% overall speed up on average, up to 15% in some cases (note: not like V-Ray bucket rendering, you will still see the whole image build progressively!)
  - Faster Denoising in our own High Quality denoiser, a 20% speed up on average, up to 60% in some extreme cases
  - Faster Transparency / Absorption, will depend how heavily these are used in the scene - can be up to 50% in extreme cases (note, does not affect Translucency)


There have been a great many changes since the first RC. Here are the JUST changes since Release Candidate 4 (for those who have been testing as releases come out):

 - Fixed crash when closing Cinema 4D
 - Fixed problem with caustics from environment not rendering in IR
 - Improved imports of ColorMix shader in material library for several materials
 - Removed unsupported "Hair textured" material from matetrial library
 - UHD cache stored in older versions is no longer supported - such legacy UHD cache files will be
   calculated/updated from scratch; this fixes several problems including crashes when loading such
   legacy cache files
 - Crop / Placement values inside Corona Bitmap now increment correctly for UV Unit space

Please test as much as possible and report your findings to us, so that we can make Corona Renderer 7 ready for release as quickly as we can!
Please post all bug reports, questions, etc. on the main Corona 7 Daily Builds sub-forum at https://forum.corona-renderer.com/index.php?board=40.0

3
News / Corona Renderer 7 for 3ds Max released!
« on: 2021-07-21, 17:07:28 »
Corona Renderer 7 for 3ds Max released!

Greater realism in your materials with less work from you thanks to the new Physical Material; get a physically realistic result for your sky including at different altitudes, and with a fast and easy aerial perspective; render from 5 to 50% faster; all this and more in Corona Renderer 7!

Full details and download: https://blog.corona-renderer.com/corona-renderer-7-for-3ds-Max-released/


Some of the highlights:

- New Physical Material
Three words that bring a world of benefits to you, including:
  • Clearcoat for realistic varnish and laquer with no need for layered materials
  • Sheen for realistic fabrics, again with no need for layered materials or shaders
  • 35 builtin presets of the most common materials you will need
  • Industry-standards like Roughness and IOR (with option to use Glossines and/or Specular at the material or scene level if you want)
  • Mapped Metalness workflow
  • Improvements to glass (get frosted glass even in Thin mode!)
  • Less chance to accidentally create unrealistic, non-physical materials (no more plastimetal ;) )
  • And more!

- Updated Corona Sky
The "Improved" sky has been renamed to the PRG Clear Sky, and brings with even more realism and control:
  • Altitude lets you specify if your scene is at sea level, seen from the top of a skyscraper, or on top of a mountain.
  • Volume Effect lets you quickly create an aerial perspective effect, which renders super quickly too - now those mountains, trees or skyscrapers in the distance will fade pleasingly into the atmosphere
  • Turbidity lets you control how clear or overcast the sky is
  • Horizon Blur has now been enabled for this sky model, and adjusted to work well with the two new parameters

- Numerous rendering speedups which will give you a 5 to 50% boost in rendering speed (see the blog for the breakdown of each individual speedup we've worked on). We also now load proxies and textures in the background, which significantly speeds up how quickly you can start working on a scene after opening it
- Updated Material Library with a new category, Masonry, and updates to the Metals and Woods categories to include materials based on the new Physical Material. Carpets, Flooring, Concrete, and Ceramic Tiles categories have also had updates to use the new Physical Maeterial, e.g. to add things like Sheen to fabrics
- Updated Corona Converter to take advantage of the new Physical Material
- Improvements to 2.5D Displacement
- And more!

For those of you who have tried Corona before and your 45-day trial expired, we've automatically refreshed the demo period to give everyone an extra 14 days so you can try out all the new features! Simply download and install Corona Renderer 7, and you can activate the refreshed demo period right from within 3ds Max. Enjoy!

Remember, you can read about this release in detail over at https://blog.corona-renderer.com/corona-renderer-7-for-3ds-Max-released/


4
We started a new initiative to improve our subscription and ordering experience. Today, as the first step, we are switching to a new payment provider and merchant of record, 2Checkout.

This currently only affects new orders - existing customers, orders through resellers, and student licenses will continue to use the old merchant for now. This change will allow us to significantly improve management of licenses in the future, so stay tuned!

5
Corona Renderer 7 for 3ds Max (Release Candidate 6) is out now!

Everyone with an active FairSaaS or Box with Subscription license has access, and the download is in the usual location: https://www.dropbox.com/sh/mswauuv1afec8am/AAA5OKrd_QujokDM3mxQ7S40a

We're getting ever-closer to the final release, so this is an important chance to give us your feedback and to catch any remaining bugs or other issues from real world testing.

Here are some of the bigger features in Corona Renderer 7:
  - New Physical Material - greater realism without extra work from you, and greater compatibility with other software and workflows (mapped Metalness, choice of Roughness or Glossiness mode, choice of IOR or Specular mode, and more)
  - Improvements to hybrid and thin glass (thin glass can now have rough refraction, better shadows, and more)
  - Many rendering speed ups that add up:
  - Bucket Rendering, a 5% overall speed up on average, up to 15% in some cases (note: not like V-Ray bucket rendering, you will still see the whole image build progressively!)
  - Faster Denoising in our own High Quality denoiser, a 20% speed up on average, up to 60% in some extreme cases
  - Faster Transparency / Absorption, will depend how heavily these are used in the scene - can be up to 50% in extreme cases (note, does not affect Translucency)
  - Faster scene opening - by loading texture files in the background, scene opening times reduced by 35% on average, and up to 73% in some cases
  - Faster scene opening part 2 - by loading proxies in the background, scene opening times reduced by 12% on average (combines with previous scene opening speed up)
  - Corona Sky in Improved Mode with Volume Effect (aerial perspective), Altitude, Turbidity, and Horizon Blur
  - And more!


Lots of changes since the first RC, and here are the changes just since Release Candidate 5 (for those who have been testing as releases come out):

Improved sky model
  • Fixed green/magenta tint in the new improved sky model volumetric effect when computed for short distances (under 200 meters)
  • Reintroduced fake horizon blur for Improved sky model. Default horizon blur is now 0, since the blurring should be controlled by the physically correct altitude parameter.

Corona converter
  • Fixed an issue with reflection parameters not being computed correctly when reflection map, IoR map or both were plugged to the original material.
  • Fixed asserts during conversion of some scenes in certain 3ds Max versions.
  • Fixed “convert by class” not working for 3ds Max physical material.
  • Fixed conversion not preserving the “show background in preview” option.
  • Conversion now preserves material ID channel.
  • Conversion from VRay2SidedMtl to CoronaPhysicalMtl now produces simpler shading networks.
  • Polished the UI.

General
  • Bucket rendering disabled for IR, because in some cases it is still too visually distracting.
  • Buckets are still enabled in production rendering after 5 passes, and in DR/Backburner/command line render from the render start, to get better performance. We'll experiment with IR buckets more in v8 to get some better solution.
  • Fixed render to texture not working.
  • Fixed crash when using Forest Pack version 6
  • Fixed excessive rendering times and RAM usage in some corner cases caused by refraction
  • Fixed some checkbox labels being clipped in the render settings dialog
  • Added tooltip to randomization mode of MultiMap and UvwRandomizer mode, explaining that the "Instance" randomization is based on a node name and will change when the node is renamed.
  • Added warning when proxy contains corrupted normals which cause it to render differently depending on whether the “keep in RAM” checkbox is checked.

Material Library
  • Added 13 new metal materials.
  • Added 13 new masonry materials.
  • Added 9 new wood materials.
  • All new materials are built upon the new physical material.
  • Converted existing carpets, ceramic tiles, concrete and flooring materials to the new physical material.
    Note that this might result in a slightly different visual result, however existing scenes based on the previous versions of material library will be unaffected.

Please test as much as possible and report your findings to us, so that we can make Corona Renderer 7 ready for release as quickly as we can!
Please post all bug reports, questions, etc. on the main Corona 7 Daily Builds thread at https://forum.corona-renderer.com/index.php?topic=30877


6
Corona Renderer 7 for Cinema 4D (Release Candidate 1) is out now!

Everyone with an active FairSaaS or Box with Subscription license has access, and the download is in the usual location:
https://drive.google.com/drive/folders/1fAJusAWXdB2-ePLo4sWUR0Lq0RGh4nYs

A Release Candidate is close to being the final release, but we need your feedback to catch any remaining bugs or other issues from real world testing.

Here are some of the bigger features in Corona Renderer 7:
- New Physical Material - greater realism without extra work from you, and greater compatibility with other software and workflows (mapped Metalness, choice of Roughness or Glossiness mode, choice of IOR or Specular mode, and more)
- Improvements to hybrid and thin glass in the Physical Material (thin glass can now have rough refraction, better shadows, and more)
- Material Library added
- Many rendering speed ups that add up:
  - Bucket Rendering, a 5% overall speed up on average, up to 15% in some cases (note: not like V-Ray bucket rendering, you will still see the whole image build progressively!)
  - Faster Denoising in our own High Quality denoiser, a 20% speed up on average, up to 60% in some extreme cases
  - Faster Transparency / Absorption, will depend how heavily these are used in the scene - can be up to 50% in extreme cases (note, does not affect Translucency)
  - Faster scene opening - by loading texture files in the background, scene opening times reduced by 35% on average, and up to 73% in some cases
  - Faster scene opening part 2 - by loading proxies in the background, scene opening times reduced by 12% on average (combines with previous scene opening speed up)
- Corona Sky in Improved Mode now includes Turbidity and Altitude
- Tooltips added to the Corona UI
- And more!

And here are the changes since the last daily build (for those who have been testing as releases come out):

Added:
  • Added possibility to create light material from self-illuminance of Physical material
  • Defaults for Roughness and IOR mode for Physical material can now be configured in preferences
  • Corona proxy now shows mapping of attached materials in separate tab
  • It is now possible to override default material on exported multi-material Corona proxy
  • Creating multi-shader over existing shader now moves original shader the first multi-shader slot

Changed:
  • Unified naming of Corona shaders
  • Physical material can now be used for global volume
  • Export to standalone was moved from development/experimental stuff to File->Export
  • Export of Bitmap / Corona bitmap is now also supported
  • Note that this is still considered experimental feature - most of native Cinema 4D shaders won't export correctly

Fixed:
  • Fixed problem with material not updating in IR after being converted using conversion in Advanced tab
  • Fixed problem with VFB not being disabled when opening Open/Load/Save dialogs leading to crashes
  • Legacy material is now correctly named in default material selection in preferences
  • Fixed import of reflection of several materials in material library (mostly matte walls, semigloss woods etc)
  • Fixed export of material assignments when exporting Corona proxy by collapsing several objects with different materials
  • Fixed positioning of Corona proxy after exporting child object
  • Fixed problem with context menu in material library on macOS not being closed when clicking outside
  • Fixed crash when rendering on M1 chip under Rosetta and on some older CPUs on macOS
  • Data for improved Sky model is no longer required during application start, instead, error message is shown when data is missing and improved sky model is used in the scene
  • Additional improvements to geometry precision when rendering scenes far from origin

Please test as much as possible and report your findings to us, so that we can make Corona Renderer 7 ready for release as quickly as we can!

Please post all bug reports, questions, etc. on the main Corona 7 Daily Builds thread at https://forum.corona-renderer.com/index.php?topic=25167


7
Corona Renderer 7 for 3ds Max (Release Candidate 1) is out now!

Everyone with an active FairSaaS or Box with Subscription license has access, and the download is in the usual location: https://www.dropbox.com/sh/mswauuv1afec8am/AAA5OKrd_QujokDM3mxQ7S40a

A Release Candidate is close to being the final release, but we need your feedback to catch any remaining bugs or other issues from real world testing.

Here are some of the bigger features in Corona Renderer 7:
- New Physical Material - greater realism without extra work from you, and greater compatibility with other software and workflows (mapped Metalness, choice of Roughness or Glossiness mode, choice of IOR or Specular mode, and more)
- Improvements to hybrid and thin glass (thin glass can now have rough refraction, better shadows, and more)
- Many rendering speed ups that add up:
  - Bucket Rendering, a 5% overall speed up on average, up to 15% in some cases (note: not like V-Ray bucket rendering, you will still see the whole image build progressively!)
  - Faster Denoising in our own High Quality denoiser, a 20% speed up on average, up to 60% in some extreme cases
  - Faster Transparency / Absorption, will depend how heavily these are used in the scene - can be up to 50% in extreme cases (note, does not affect Translucency)
  - Faster scene opening - by loading texture files in the background, scene opening times reduced by 35% on average, and up to 73% in some cases
  - Faster scene opening part 2 - by loading proxies in the background, scene opening times reduced by 12% on average (combines with previous scene opening speed up)
- Corona Sky in Improved Mode now includes Turbidity and Altitude
- And more!

And here are the changes since the last daily build (for those who have been testing as releases come out):
- Fixed crashes in some cases when bump map is evaluated to NaNs
- CoronaNormal - improved the tooltip for the "Add gamma to input" checkbox
- Corona Converter:
  - Made the error log more readable by adding additional indentation and newlines
  - VRayMtl is now converted to CoronaPhysicalMtl directly instead of using CoronaLegacyMtl as an intermediate step
  - Simplified the shading networks generated by the conversion
  - Added a better warning for when V-Ray is not installed


Please test as much as possible and report your findings to us, so that we can make Corona Renderer 7 ready for release as quickly as we can!

Please post all bug reports, questions, etc. on the main Corona 7 Daily Builds thread at https://forum.corona-renderer.com/index.php?topic=30877

8
News / Corona Renderer 6 for Cinema 4D (Hotfix 2) released
« on: 2021-04-28, 15:30:13 »
Corona Renderer 6 for Cinema 4D (Hotfix 2) released

Corona Renderer 6 for Cinema 4D (Hotfix 2) released! This release provides support for Cinema 4D S24, and also:

- Fixed crash when setting the Max IR passes limit for viewport IR (this was not reproducible, but it was backported from Corona Renderer 7 dailies to be sure, as theoretically the problem was there in v6)
- Fixed occasional crashes when rendering animations
- Fixed Team Render Server crashes when starting multiple single-image renders
- Fixed problem with UI locking up when a material contains a bitmap referencing a missing asset
- Fixed "Copy" button in Corona VFB not working on Mac

Download now from https://corona-renderer.com/download

9
News / Corona Renderer 6 for 3ds Max (Hotfix 2) released
« on: 2021-04-20, 16:19:20 »
Corona Renderer 6 for 3ds Max (Hotfix 2) released

Corona Renderer 6 for 3ds Max (Hotfix 2) released! This release provides support for 3ds Max 2022 - there are no other changes.

Download now from https://corona-renderer.com/download

10


Merry Christmas, Coronauts! To round out the year, we have a new Development Insights blog at https://blog.corona-renderer.com/merry-christmas-2020-coronauts/


We also want to announce that our office will be closed from Monday December 21st until Monday January 4th – support will be limited during this time.


11
We've made the simple example scenes we used in the New Features video available for download, so you can take a look at some ways to use the Distance Shader in Corona Renderer for Cinema 4D. Head to https://corona-renderer.com/resources/models (scroll to the bottom) to download!




12
News / Corona Renderer 6 for Cinema 4D (Hotfix 1) released
« on: 2020-10-08, 16:31:26 »
Corona Renderer 6 for Cinema 4D (Hotfix 1) released

This release addresses the following issues:

- Added support for R23
- Added experimental support for R23 Scene Nodes
- Creating Corona proxy file using "Pick from scene" used incorrect path when canceled
- Fixed problem with connections between nodes being misplaced if part of the editor is outside the screen
- Fixed crash when selecting shader from empty shared shader
- Fixed problem with Corona proxy in Full mesh mode not showing in viewport when its center is outside the viewport
- Fixed occasional crashes in Corona Bitmap in multi-tiling mode
- Fixed problem with incorrect photographic exposure when using Team Render
- Fixed problem with camera name not shown in render stamp when using Team Render
- Fixed occassional crashes in scenes with Distance shader (usually reproducible in animations)
- Fixed crashes happening when parsing hair for render

Download now from https://corona-renderer.com/download

13
News / Corona Renderer 6 for 3ds Max (Hotfix 1) released
« on: 2020-09-29, 16:30:01 »
Corona Renderer 6 for 3ds Max (Hotfix 1) released

This release fixes the following specific issues:

- Reverted the behavior of the "no tiling" mode in the CoronaBitmap, which was causing unwanted results when used as a mask
- Fixed incorrect gamma in "Concrete plates dirty" material in the Material Library
- Fixed DR getting stuck when rendering the second frame of an animation
- Fixed the issue where having Norwegian locale lead to a 3ds Max crash at startup
- Fixed: Scatter would miss an update in IR, causing "popping" of instances when scrubbing through the timeline
- Fixed crash when a Falloff Map with Type set to "Fresnel" and Falloff Direction set to "World Z-Axis" is applied to refraction
- Fixed: LEGION_STOP in a scene with combination of Falloff + RGB multiply maps
- Fixed Falloff map built-in color mixing
- Fixed crashes in some legacy Corona Scatter scenes that used a scale map

Download now from https://corona-renderer.com/download

14
Hi all!

We like to hear what your most requested features are, but it would also help us set the direction for future development by hearing what your most liked existing features are.

If there is a feature that is your favorite which is not listed, please post it as a comment under the poll. Also, feel free to tell us why you voted for the features you choose - is it that they save you the most time? That they let you be more creative and expressive? That you use them many times every day and have come to rely on them?

The items are in no particular order (other than Corona 6 features on top), so please read through them all. We haven't set a limit on how many you can pick as favorites, so that is left up to you.

Thanks for your time in taking part!

15
News / Corona Renderer 6 for 3ds Max released!
« on: 2020-08-31, 16:54:55 »
Corona Renderer 6 for 3ds Max released!

This time around we’ve focused on giving you the tools to attain greater realism and be more creative, while also speeding up your workflow.

Full details and download: https://blog.corona-renderer.com/corona-renderer-6-for-3ds-Max-released/


Some of the highlights:

- The New Sky Model has better overall tint to the lighting in daytime, and supports the sun being below the horizon for dawn/twilight effects
- New Lens Effects give you vastly more control over bloom & glare
- 78 new materials in the Corona Material Library, including new Flooring, Carpet and Ceramic Tiles categories
- Avoid texture repetitions with updates to the UvwRandomizer
- New Adaptive Environment Sampler removes the need for Portals, saving you the time (and pain!) of setting those up, while giving more accurate results
- Support for foam in Phoenix FD
- And more!

For those of you who have tried Corona before and your 45-day trial expired, we've automatically refreshed the demo period to give everyone an extra 14 days so you can try out all the new features! Simply download and install Corona Renderer 6, and you can activate the refreshed demo period right from within 3ds Max. Enjoy!

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