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Topics - maru

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1
Chaos Corona 10 for 3ds Max Daily Builds Discussion

You can grab the latest build from: Daily Builds Changelog

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For all information about the daily builds and the download link, see: Daily Builds FAQ


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News / Corona Technical Documentation Released!
« on: 2022-10-18, 17:41:09 »
With the release of Corona 9, we have also released the very first version of Corona Documentation!

You can find it here:

https://docs.chaos.com/category/corona

While we do have some of Corona's features explained over at our Help Center (https://support.chaos.com/hc/en-us), the purpose of Docs is slightly different:
  • The Help Center content is like an advanced FAQ explaining how to achieve the desired results and avoid mistakes ("how to render volumetrics", "how to get rid of noise").
  • The Docs are a technical manual, listing each feature and covering its options one by one, with simple examples. Think of tooltips without the need to run the host software.

Currently some of the Zendesk and Docs content is duplicated, but we will fix this ASAP. We are also planning some other improvements.

Everyone is welcome to look around, and if you spot any mistakes or other issues, please do let us know in this forum thread or by submitting a support ticket at https://support.chaos.com/hc/en-us/requests/new

4
[Max] Daily Builds / Chaos Scatter Edge Trimming Playground!
« on: 2022-09-30, 14:38:39 »
Corona 9 RC1 comes with a new Chaos Scatter Edge Trimming feature!

Where to find it?
It's a new ChaosScatterEdgeTrimming map you can find in the material editor under the Chaos Scatter category.

How to use it?
You need to plug your Edge Trimming map into the opacity slot of the material of the object that you are scattering (in case of multiple objects - you need to plug this map into the opacity slot of every material used). If any part of the instance (any mesh element) falls outside of the area specified by the scatter, this part will be invisible. This area area can be specified using:
- The distribute-on target object itself (in case of scattering on a plane object, any instance part outside of the plane object will be invisible)
- Include splines (any instance part outside of the include spline will be invisible)
- Exclude splines (any instance part inside the include spline will be invisible)
There is no need to enable any special options in the Chaos Scatter object itself.

Where is this useful?
- Grass lawns - in case of using large grass clumps, no grass blades will be growing outside of the defined area (defined by the distribute-on object or by include/exclude splines)
- Carpets - in case of using large clumps of strands, no strands will be placed outside of the carpet area
- Pebbles, rocks, bark chippings, or any other objects which you need to distribute within some specific boundary and make sure no instances stick outside of that boundary.

What are the limitations?
- This feature comes with a certain precision. In case of distributing a model consisting of a lot of elements (think 10 000 elements or more), it would be too slow to check the position of each one of them. This means that trimming works best with models consisting of as few elements as possible, but at the same time, this limitation should not be a problem in usual scattering scenarios (scattering grass, trees, rocks, etc).
- When the distribute-on object is smaller than the model object itself, some issues may appear where the instances would stick outside of the expected area. The solution in this case is to make the scattered instances smaller. This also should not be a problem in usual use cases, because in practice it would mean having a smaller grass lawn area than a single grass patch.
- Currently, you need to manually (or using a script) connect the Edge Trimming map to the opacity slots of each of the materials you are using for your scattered instances. This can be challenging, especially in case of scattering models with many different materials. We are planning to improve this workflow.

Edge Trimming on:


Edge Trimming off:



5
[Max] Bug Reporting / How to report bugs to us
« on: 2022-08-26, 16:07:36 »
To report bugs to us, please use either of the following methods:

  - The helpdesk ticketing system at https://support.chaos.com/hc/en-us/requests/new

OR

  - The forum section related to the version of Corona that you use:
      3ds Max / Corona Core : https://forum.corona-renderer.com/index.php?board=2
      Cinema 4D: https://forum.corona-renderer.com/index.php?board=36

Once again, that's an "OR" - use the helpdesk ticketing system, OR report on the forums, not both please (which will actually only slow things down, both in terms of us being able to fix the issue, and in being able to respond to you promptly)

For more information on bug reporting, including how to make your report as useful as possible for us so that we can resolve it faster, please see:

For 3ds Max:
https://support.chaos.com/hc/en-us/articles/4649117083409

For Cinema 4D:
https://support.chaos.com/hc/en-us/articles/4648898278545

Thanks!



6


For all information about the daily builds and the download link, see: Daily Builds FAQ


7
Here is a collection of all Corona for Cinema 4D guides that we have created or updated for version 8:

Licensing/other:
Corona for Cinema 4D Installation Process
https://support.chaos.com/hc/en-us/articles/4668207412753

Activating Corona 8 for Cinema 4D
https://support.chaos.com/hc/en-us/articles/4642139027345

Basic Information on Corona 8 and the Chaos License Server
https://support.chaos.com/hc/en-us/articles/4834983860241

Corona 8 - Chaos License Server Basic Troubleshooting Steps
https://support.chaos.com/hc/en-us/articles/5147044693393

Activating Corona 8 on farms and computers without host software GUI
https://support.chaos.com/hc/en-us/articles/5614248365713


New/updated features:
How to Use Chaos Cosmos Assets
https://support.chaos.com/hc/en-us/articles/4953965929617

How to use Chaos Scatter
https://support.chaos.com/hc/en-us/articles/4953600578065

How to use Corona Decal object?
https://support.chaos.com/hc/en-us/articles/4954081899793

Corona Curvature Shader
https://support.chaos.com/hc/en-us/articles/4954258906385

How to use the new Tone Mapping
https://support.chaos.com/hc/en-us/articles/5015950770705

What is the Base Tail?
https://support.chaos.com/hc/en-us/articles/4954539160081

Corona Multi Shader
https://support.chaos.com/hc/en-us/articles/4957134047121

Corona Slicer Material
https://support.chaos.com/hc/en-us/articles/4956455362705

How to use the Corona Cryptomatte
https://support.chaos.com/hc/en-us/articles/4954345529489

How to render caustics with the new caustics solver?
https://support.chaos.com/hc/en-us/articles/4954607748241

How To Use Vector Displacement?
https://support.chaos.com/hc/en-us/articles/4526274488977

Is Corona 8 working on a new Apple M1 Mac?
https://support.chaos.com/hc/en-us/articles/4957654652305

How to use Dome Mapping?
https://support.chaos.com/hc/en-us/articles/4957836772113

Corona Layered Material
https://support.chaos.com/hc/en-us/articles/4957916520081

Corona AO Shader
https://support.chaos.com/hc/en-us/articles/4528463913105

Corona Distance Shader
https://support.chaos.com/hc/en-us/articles/4528490024081

Corona Mixture Shader
https://support.chaos.com/hc/en-us/articles/5075515294609

Corona Normal Shader
https://support.chaos.com/hc/en-us/articles/4526302630673

Corona RaySwitch Shader
https://support.chaos.com/hc/en-us/articles/4526288949137

Corona Round Edges Shader
https://support.chaos.com/hc/en-us/articles/4526221145361

Corona Select Shader
https://support.chaos.com/hc/en-us/articles/4526309157521

Corona Tonemap Control Shader
https://support.chaos.com/hc/en-us/articles/4526289126673

Corona Triplaner Shader
https://support.chaos.com/hc/en-us/articles/4526289400721

Corona UVW Randomizer Shader
https://support.chaos.com/hc/en-us/articles/4528327909009

Corona Wire Shader
https://support.chaos.com/hc/en-us/articles/4526317622673

Corona Shadow Catcher Material
https://support.chaos.com/hc/en-us/articles/4528589483025

Corona Hair Material
https://support.chaos.com/hc/en-us/articles/4528589483025

Corona Physical Material
https://support.chaos.com/hc/en-us/articles/4526302783249

What is the Corona Image Editor?
https://support.chaos.com/hc/en-us/articles/4528237016721

...plus many more smaller tweaks and changes


Also remember to check out the blog!
https://blog.corona-renderer.com/chaos-corona-8-released/




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Here is a collection of all Corona for 3ds Max guides that we have created or updated for version 8:


Licensing/other:
Corona for 3ds Max Installation Process
https://support.chaos.com/hc/en-us/articles/4668162916241

Activating Corona 8 for 3ds Max
https://support.chaos.com/hc/en-us/articles/4642369149585

Basic Information on Corona 8 and the Chaos License Server
https://support.chaos.com/hc/en-us/articles/4834983860241

Corona 8 - Chaos License Server Basic Troubleshooting Steps
https://support.chaos.com/hc/en-us/articles/5147044693393

Activating Corona 8 on farms and computers without host software GUI
https://support.chaos.com/hc/en-us/articles/5614248365713


New/updated features:
How to Use Chaos Cosmos Assets
https://support.chaos.com/hc/en-us/articles/4953819541265

How to use Chaos Scatter with Corona for 3ds Max?
https://support.chaos.com/hc/en-us/articles/4953289514513

How to use the Corona Decal object?
https://support.chaos.com/hc/en-us/articles/4954015727889

How to use the Corona Slicer Material?
https://support.chaos.com/hc/en-us/articles/4956761514897

New Tone Mapping
https://support.chaos.com/hc/en-us/articles/4954237716113

Corona Curvature Map
https://support.chaos.com/hc/en-us/articles/4954184520465

How to use the Corona Cryptomatte
https://support.chaos.com/hc/en-us/articles/4954305024529

What is the Base Tail?
https://support.chaos.com/hc/en-us/articles/4954436712337

TyFlow Support
https://support.chaos.com/hc/en-us/articles/4526288619793

Corona Multi Map
https://support.chaos.com/hc/en-us/articles/4957358039441

UVW Randomizer Map
https://support.chaos.com/hc/en-us/articles/4957371864977

How to render caustics with the new caustics solver in 3ds Max?
https://support.chaos.com/hc/en-us/articles/4954589213457

How to use the Corona Material Library?
https://support.chaos.com/hc/en-us/articles/4528593932945

Corona Layered Material
https://support.chaos.com/hc/en-us/articles/4962571275409

Corona Sky Map
https://support.chaos.com/hc/en-us/articles/4526221226385

What is the Corona Image Editor?
https://support.chaos.com/hc/en-us/articles/4528237016721

Toolbar
https://support.chaos.com/hc/en-us/articles/4528350036881

...plus many more smaller tweaks and changes


Also remember to check out the blog!
https://blog.corona-renderer.com/chaos-corona-8-released/


9
[Max] Daily Builds / Corona Curvature Map playground!
« on: 2022-01-27, 14:13:18 »
We have the long-awaited Corona Curvature Map in our newest daily build!
You can check the full changelog and grab the installer here: https://forum.corona-renderer.com/index.php?topic=33839.msg194357#msg194357



This is an early implementation and it may still change based on your feedback, so please let us know what you think about it, what is great, and what isn't.
We are also very interested in the differences you notice between the Corona AO and Curvature, and when exactly you would choose to use which.

Basic usage:
Create a new Corona Curvature Map in the material editor.
Plug it into any material property you wish, or use it as a mask to mix various properties/materials.

An example where AO and Curvature produce a similar result:
https://corona-renderer.com/comparer/ZYyww6

An example where AO and Curvature produce a visibly different result:
https://corona-renderer.com/comparer/fHEmkv

10
Jobs / Corona Renderer YouTube Tutorials Creator - Join us!
« on: 2021-11-16, 11:41:49 »
We are looking for a skilled tutorial author to join our team and make YouTube tutorials for 3ds Max and Cinema 4D.

Who are we looking for?
•   A YouTube tutorials creator with at least 2 years of experience in making tutorials.
•   A creator with an ability to take knowledge of Corona Renderer and explain it clearly, even to beginner users.
•   A quick learner who is able to get to precisely know new features introduced in Corona Renderer.
•   Someone who has the ability to work with and edit 3D scenes and assets, to fit what is needed to demonstrate specific features.
•   A person who is able to work responsibly under low supervision.

What will you need to succeed?
•   Good knowledge of both 3ds Max and Cinema 4D.
•   Good and clear spoken English, with an engaging tone and personality.
•   Ability to write a high level script that will detail what will go into a tutorial.
•   Identify what kind of scene would demonstrate a particular feature.
•   Be able to screen capture (in 1920 x 1080), and capture clear audio for the voice over.
•   Ability to edit videos.

What do we offer?
•   An opportunity to contribute to one of the best render engines out there and work closely with the creators of Corona Renderer.
•   Remote work from anywhere you may want.
•   Negotiable working conditions.
•   Flexible working hours.   
•   Interesting job and great colleagues.
•   Work on projects that make sense, developed in close collaboration with and for the benefit of the end users (no paper pushing).
•   Provision of Corona Renderer license and other required software.
•   Growth within the company (we are expanding).
•   Bonus twice a year based on your work performance.

Where?
Anywhere! For this job position we prefer full-time, remote cooperation so you can work from your cosy apartment. 

Do you think this job was made for you?
Then please send us your CV and links to examples of tutorials you have created, a short cover letter in English explaining your current professional situation, your motivation to apply, and why you believe you are a good match for the job to hiring@corona-renderer.com. Please indicate specifically your experience in creating YouTube videos.



11
Corona Renderer 8 for 3ds Max daily builds discussion.

*You can always get the newest daily build in the usual location: [link]*

12


*You can always get the newest build at the usual location [link]*


EDIT: We now distribute the daily builds through gdrive, the folders can be found here Daily Builds!


13


One of the major features of the upcoming Corona Renderer 7 is the new Corona Physical Material. With the introduction of this new material, we also had to update our Corona Converter script.
This thread is intended for collecting feedback on everything related to the new Converter script (its functionality, features, issues, what you like about it and what you don't like).

More about the Corona Physical Material:
https://blog.corona-renderer.com/behind-the-scenes-the-physical-material/
https://forum.corona-renderer.com/index.php?topic=31802

What you need:
- Corona Renderer 6 (to see what the render looked like before the conversion) - https://corona-renderer.com/download
- Newest Corona Renderer 7 daily build (to convert the scene and check the conversion results) - the link to download the newest version is at the top of the newest post at https://forum.corona-renderer.com/index.php?topic=30876.0
- If you just install Corona 7, the converter script will be available under the right-click quad menu as usual. If you are using some alternative installation method (i.e. you do not copy any files into your 3ds Max installation directory), then you can find the new converter script in \Corona Renderer\Autodesk\3ds Max 202X\scripts\CoronaRenderer.
- Before testing, make sure that you are using the converter script version 1.51 or newer! (it is printed in the title bar of the converter window)
NOTE: When using daily builds, the usual precautions apply! Backup your scenes!


What we are especially interested in:
Corona Legacy Material to Corona Physical Material conversion. This is the most important thing for us.
- How similar are the conversion results?
- How complex are the resulting shading networks in the material editor?
The easiest way to test both those things is opening a scene created in Corona 6 in Corona 7, converting it, and rerendering it.

What else is important:
- We improved the conversion of VRay2SidedMtl to CoronaPhysicalMtl. If you have a scene where you used the VRay2SidedMtl, please test this, and let us know if anything does not look or work as expected.
- Please check that all buttons in the "Tools" section of the Corona Converter work as expected. While this may sound like something our internal tests should take care of, there are always some edge cases which we might have missed, so we appreciate testing even very basic features like this.

Known issues and limitations:
- We know that the shading networks created by the Corona Converter might be quite complex in some cases (especially when many texture maps are used). If you have some ideas how to simplify such cases once you encounter them, please let us know.
- The newly created CoronaPhysicalMtl will only use those parameters, which were also available in the original material - i.e. if the original material did not feature sheen or clearcoat (which is the case for CoronaLegacyMtl), the converted CoronaPhysicalMtl will not use neither sheen nor clearcoat parameters (you can, of course, enable these parameters manually).
- It is possible that we changed some MAXScript function names which our users may want to use (i.e. broke the MAXScript API described here: https://www.racoon-artworks.de/CoronaConverter/mxsDocumentation.html ). The reason for this is that we used our coding conventions during the last rewrites of Corona Converter and therefore we changed some function names which weren't conforming to these conventions / weren't descriptive enough. If this proves to be a significant and commonly encountered problem,  we may revert some of these changes.
- We are planning to remove some legacy options / buttons from the Converter. If you rely on the removed functionality, we will consider reverting some of these changes.
- We do not support conversion to CoronaLegacyMtl anymore. The materials are always converted to CoronaPhysicalMtl.

Additional notes:
- Vray Mtl to Corona Physical Mtl conversion may currently not be working perfectly, but big improvements are coming!
- Specular to IOR conversion is a work in progress


If you have any other notes / remarks / complains - please do let us know.
Thank you in advance for your feedback!

14
DISCLAIMER:
I wrote this script as an exercise, as a private person, it is completely independent from the works of the Corona Team. This is a private, for fun, after-hours project. It is absolutely unofficial, provided as-is, and does not come with any kind of warranty or support.

What is it?
It is a floating window with a collection of various tools / settings which you hopefully may find useful when using Corona's IR.

How to use it?
Step 1: Back up your whole scene, or at least render settings. I mean it. I don't take any responsibility in case your scene gets broken (e.g. your current render settings, including camera settings, disappear).
Step 2: Click buttons.

How does it work?
It modifies some render settings and 3ds Max Environment settings. It does not modify any magical settings which are normally hidden from the user.





15
Corona Renderer 7 for 3ds Max daily builds discussion.

*You can always get the newest daily build in the usual location: [link]*

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