Topics

106

[Max] General Discussion / Know Your Devs - Ondra Karlik

« on: 2018-03-19, 16:03:40 »

With Corona, you don't just get the software, you also get the team behind it. Using the software will teach you about that, but how do you get to know about the team?

That thought gave us a new idea, "Know Your Devs". Here's how it works:

- Ask your questions in this forum thread
- We'll leave this thread open for 5 days, to give you time to ask your questions, then we'll lock it
- The developer will take a look through and answer the interesting questions, which we'll publish in the Corona Blog (probably a week or two after closing the thread)
- If it's successful, we'll repeat it for another developer!

So, what about that "interesting questions" part? Here are some guidelines:

- Please post only personal questions or questions about inner workings of the team. You can already ask technical questions in other parts of this forum, and this is about getting to know the developers as people.
- Keep your question relevant to the particular developer.
- Only ask, don't answer - even if you think you know the answer!
- It will be up to the developer to choose which they answer and which they don't.

With all that out of the way, please welcome our first developer to the Q&A hotseat.... Ondra Karlik!

107

[Max] General Discussion / Hum3D Survival Car Challenge

« on: 2018-03-13, 14:36:35 »

This year's Hum3D car render challenge is underway, the theme being Survival Car - https://hum3d.com/survival-car/

Corona prizes on offer (as well as others), including a Corona Team Choice. Always a pleasure to see the entries into these contests!

Cheers!
   Tom

108

News / Small fraction of Russian users affected by payment issues

« on: 2018-03-08, 15:32:21 »

Dear Customers,

We wanted to let you know that recently a small fraction of our users were affected by some problems with the provider we use to process payments. This seemed to be localized mostly to users from Russia, and our provider has told us that this issue has now been resolved. Where needed to correct any errors, we will be issuing refunds as soon as possible. We apologize for the inconvenience.

Thank you for your patience,
   Tom

109

[C4D] General Discussion / Maxon looking for architectural visualization animations for their gallery

« on: 2018-02-12, 16:24:20 »

Just sharing here, this was posted on the non-official Corona For Cinema 4D Facebook group, Maxon would like arch-viz animations (created in C4D naturally :) And animations rather than stills) for addition to their gallery - you can simply reply to the post on the Facebook group to be considered:

https://www.facebook.com/groups/328706397278931/permalink/963545273795037/

Here's to getting some nice Corona animations into their gallery :)

Thanks!
   Tom

110

News / Corona Renderer 1.7 for 3ds Max (Hotfix 3) released!

« on: 2018-02-09, 14:37:07 »

Corona Renderer 1.7 for 3ds Max (Hotfix 3) released!

This release contains a few small but important updates to the Corona Camera:

- Checkbox added to enable showing / hiding of the clipping planes in the viewport

- Fixed: Bug which caused an incorrect field of view when a Corona Camera used the Tilt or Shift settings.

- Legacy checkbox for the Tilt and Shift settings in the Corona Camera added. This will only be shown for scenes with a Corona Camera saved from version 1.7 (Hotfix 2) or earlier, to ensure backward compatibility (all existing scenes will load and render with the same field of view as they did before the fix).

Update now from the Downloads page! https://corona-renderer.com/download

111

[C4D] Resolved Bugs / Corona Light Material emits light whether Emit Light is checked or not

« on: 2018-02-08, 18:49:39 »

Beta 1, C4D R19 - for me, a Corona Light Material now always emits light regardless of the checkbox setting.

112

News / Corona Renderer for Cinema 4D Beta 1 released

« on: 2018-02-05, 17:32:25 »

Corona Renderer for Cinema 4D Beta 1 is out - still free, even for commercial use, while in development.

Full details on https://corona-renderer.com/blog/corona-renderer-for-cinema-4d-beta-1-released/

Short summary of main changes since the Alpha:

New Additions
Cinema 4D R19 fully supported
Interactive Rendering now fully supported
Native stacking of materials supported
Shadowcatcher material added
New improved sampler, for less noise in the same number of passes / same time
Dispersion and Subsurface Scattering added to the Corona Material for more realism when required
Render Selected Object functionality added
Resume Render functionality added to VFB and native Picture Viewer
Corona Image Editor added to the installer, for macOS and Windows

Improvements
LightMix “bake to scene” functionality greatly improved
Team Render now close to fully functional (remaining limitations to be removed in Beta 2)
A LOT of bug fixes!

https://corona-renderer.com/download

Thanks!
   Tom

113

News / Material Library update now available

« on: 2018-01-29, 15:51:40 »

Hi all!

We have updated the Material Library, primarily based on feedback regarding tiling. Here is the changelog:

CHANGES:
- Resized and fixed tiling of Wall, Concrete, Leather, Metal, Rubber, Stone, and Wood materials.
- CoronaTriplanar map is now used wherever it is possible.
- Fixed the scaling of CoronaTriplanar maps used in Fabrics and Leathers.
- All CoronaOutput maps in Basic SSS materials are now set to be "Affected by Corona VFB tone mapping" so that they render as expected when any tone mapping is used.

NOTES:
- Any scenes created with materials from the older library will continue to render as before; these changes will only be seen when dropping a material from the new library into the scene, so full compatibility is maintained with your existing scenes.
- To install the new Material Library, simply run the Corona Installer again (any version of 1.7, or any of the daily builds for version 2) - the new library will then download and install.
- Since the first release of our material library, the scaling of materials is set for scenes that use System Units of Millimeters. If you are using Millimeters as your system units, then all materials will appear correct. If you see some unexpected results (such as displacement being too strong or too weak, or absorption color being too dark), you will need to adjust those material properties manually. This is still an issue of our material library, and we will resolve this in the upcoming major update.
 

114

Jobs / Jobs as part of the Corona team :)

« on: 2018-01-22, 17:03:22 »

Not to forget that we have our own job openings, such as two QA positions, two developer positions, a support position (remote working allowed), and a project management role. Always be sure to keep an eye on our job page!

https://corona-renderer.com/about/jobs

115

[Max] Resolved Bugs / CoronaCam in 1.7.2 - Exposure change in Cam 1 affecting IR from Cam 2

« on: 2018-01-17, 19:48:07 »

Hi all!

Scene attached, 2 CoronaCams. I think this one is a bug rather than something expected.

If you run IR while looking through CoronaCam 1, then select CoronaCam 2 in the Command Panel and enable Simple Exposure and adjust its value, the VFB takes on this exposure (even though it is not rendering through that camera). If you swap the view to Cam2 then back to Cam1, the Cam1 settings take effect again.

If you adjust CoronaCam 2 when IR is not running, then start IR, all is as expected (that is, unaffected by the changes made and using only the Cam 1 settings).

116

[C4D] Resolved Bugs / Beta 1 RC 2 gives "Rendering multiple frames" error pop up with IR

« on: 2018-01-09, 14:42:32 »

Hi all!

Beta 1 RC 2 gives me the Corona error message pop up "Rendering multiple frames (e. g. animation) into Corona VFB but no output is specified and VFB history is disabled - subsequent images will be overwritten! " - saving is disabled, but the error message doesn't apply for running IR, only if running a final offline render. C4D R19 Windows 10.

Thanks!
   Tom

117

[Max] Resolved Bugs / Horizontal shift causes vertical offset in Corona Camera

« on: 2017-12-07, 10:45:24 »

Hi all,

Starting this one as a bug report (there was a thread about it here https://forum.corona-renderer.com/index.php?topic=18034 )

Tested with Daily Build from Dec 6th, where the Corona Camera and Physical Camera should be working the same way, as the patch nodes say. I found that now a Horizontal Shift of 0.2 in the Corona Camera does correspond with a Horizontal Shift of 20% in the native Physical camera when the "Legacy" shift is off, so that now matches between the Phys and Corona Cam when there used to be a difference.

However, there is still a vertical offset in the Corona Camera that is not present in the Physical camera, screen grab attached (left is the Physical Cam, right is the Corona Cam). Note that there is no vertical offset between Phys and Corona Cam if there's no Horizontal Shift (and that there is this vertical offset between the Corona Cam with no Horizontal Shift and with Horizontal Shift). In this regard, the two cameras are not working the same, and I believe no vertical change would be expected from a Horizontal Shift of the camera?

118

[Max] Bug Reporting / Shadowpass - surface at right angles to Corona Sun is non-black, bug?

« on: 2017-11-01, 15:01:19 »

If a surface is at 90 degrees to a Corona Sun, then it does not show as completely black in the CShading_Shadows pass.

Image attached showing a cube, with the Corona Sun at 90 degrees to the sides. The Shadow pass shows some coloration for those sides when I think they should be totally black, so I think this is a bug?

- Happens in 1.7 and 1.6.1 (and in C4D which is where I noticed it)
- Happens on both sides of the cube that are at 90 degrees to the light source
- Happens whether the plane is there or not
- Happens whether I apply a CoronaMtl or not (example image didn't have any materials applied)
- Happens if the Sun and Target are both offset to the side like in the example
- If I offset the sun to by 0.002m compared to its target, the sides become completely black which is what I would expect (but not at 0.001m offset)
- Tested changing terminator fix to 1, still happens
- Have not tested with light sources other than the Corona Sun

Thanks!
   Tom

119

[C4D] Resolved Bugs / Corona Light, Sphere, Render Perfect different in IR and Offline

« on: 2017-10-31, 21:15:13 »

If I do an offline render, whether Render perfect is enabled or not in a Corona Light set to Object, Sphere, I get the same results. It also seems to have a lot of fireflies at least in this scene (the free kitchen scene).

In IR though, with Render perfect checked, the light becomes significantly darker and I have to multiply the intensity by about 100. I then get harder shadows, but less fireflies. Results seem the same as offline when Render perfect is not checked.

C4D R19, Oct 31st build.

Offline, Not Perfect
Offline, Perfect
IR, Not Perfect
IR, Perfect
IR, Perfect Intensity *100

120

[C4D] Resolved Bugs / A/B comparison not working in VFB

« on: 2017-10-25, 19:08:11 »

If I try using the A/B comparison in the VFB history, I get a black screen with "not rendered" Sample image attached shows just one snapshot loaded up, but the same happens if I load something into the B, or into both A and B.

(If I use the resume rendering icon from the snapshot, it seems to do that just fine).