Blender 2.8 and Eevee

[Jim Craig]

Has anyone tried to use Blender 2.8 yet? Unlike Cycles, it doesn't seem to have a fisheye camera yet. I tried Ron's old BI camera with a texture and it didn't work at all for me.

Just curious.

Jim Craig

Planet of Mystery Productions

http://www.planetofmystery.com

[Ron Proctor]

I was planning to check it out soon. I expect Eevee will displace Cycles eventually and if it's anything like Unreal Engine, it should be handling spherical distortion soon.

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Ron Proctor

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[Waylena McCully]

I check it out every few days to try out the changing layout and such. The most recent builds have crashed upon opening for me both on my Linux machine and Windows machines. I see Pablo's videos and get super excited about some of the new features. 

I sure hope that Cycles doesn't go away anytime soon given how powerful it has become - the stuff folks are sharing on the Blender Nodes and Blender procedural textures Facebook groups has been mighty useful. Eevee is obviously replacing Blender Internal and will be used for the real-time stuff replacing the game engine. (I think having a smoother workflow for porting things into Unreal, Unity and the others will be of particular use for planetarium educators.) 

I'm sure they will get a fisheye in there eventually. Hopefully sooner rather than later. Fisheye has become a less popular cousin to full 360 in VR circles. 

I'm sticking to 2.79b and the 2.79 daily builds for my current project. After that it will be off to the races with 2.8!

-Waylena

Waylena M. McCully
Champaign, IL

KD9ASP

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[Ron Proctor]

It's much more stable now and I've started making some tutorials for it: https://www.youtube.com/playlist?list=PLpO4Zh5h1O6-_d-2Wk3UxxWE4Q2VRuE5v

Native fisheye support is not a thing in Eevee as of this writing, but I expect they'll implement spherical formats soon (mostly because VR). In the meantime, we can use 5 or 6 camera rigs to do it the old fashioned way (which, even with stitching, is still probably faster than a native fisheye out of Cycles).  :)

[Ken Murphy]

Ron,

Do you think your old fisheye camera rig could be adapted to work in Eevee?  Jim Craig tried it but it didn't seem to work.

Also, I will be teaching my Blender class again this Spring semester.  I've decided to go all in with 2.8.  Hopefully it will be stable enough.  You think 2.8 is a good way to go for teaching newbies?

Ken Murphy

On Wednesday, January 2, 2019 at 9:45:18 AM UTC-6, Ron Proctor wrote:

It's much more stable now and I've started making some tutorials for it: https://www.youtube.com/playlist?list=PLpO4Zh5h1O6-_d-2Wk3UxxWE4Q2VRuE5v

Native fisheye support is not a thing in Eevee as of this writing, but I expect they'll implement spherical formats soon (mostly because VR). In the meantime, we can use 5 or 6 camera rigs to do it the old fashioned way (which, even with stitching, is still probably faster than a native fisheye out of Cycles).  :)

On Monday, June 11, 2018 at 7:27:34 AM UTC-6, Waylena McCully wrote:

I check it out every few days to try out the changing layout and such. The most recent builds have crashed upon opening for me both on my Linux machine and Windows machines. I see Pablo's videos and get super excited about some of the new features. 

I sure hope that Cycles doesn't go away anytime soon given how powerful it has become - the stuff folks are sharing on the Blender Nodes and Blender procedural textures Facebook groups has been mighty useful. Eevee is obviously replacing Blender Internal and will be used for the real-time stuff replacing the game engine. (I think having a smoother workflow for porting things into Unreal, Unity and the others will be of particular use for planetarium educators.) 

I'm sure they will get a fisheye in there eventually. Hopefully sooner rather than later. Fisheye has become a less popular cousin to full 360 in VR circles. 

I'm sticking to 2.79b and the 2.79 daily builds for my current project. After that it will be off to the races with 2.8!

-Waylena

Waylena M. McCully
Champaign, IL

KD9ASP

On Sun, Jun 10, 2018 at 7:35 PM, Ron Proctor <ronpr...@gmail.com> wrote:

I was planning to check it out soon. I expect Eevee will displace Cycles eventually and if it's anything like Unreal Engine, it should be handling spherical distortion soon.

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Ron Proctor

On Sun, Jun 10, 2018 at 6:36 PM, Jim Craig <guns.n....@gmail.com> wrote:

Has anyone tried to use Blender 2.8 yet? Unlike Cycles, it doesn't seem to have a fisheye camera yet. I tried Ron's old BI camera with a texture and it didn't work at all for me.

Just curious.

Jim Craig

Planet of Mystery Productions

http://www.planetofmystery.com

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[Ron Proctor]

Maybe, but probably not with the old materials that come with it. I messed around a little with a fresh rig a few weeks ago, but I don't have a good enough understanding of reflections in Eevee yet.

Still, where Eevee renders so darn fast, a cube render approach combined with Paul Bourke's cube2fish software is a powerful option. See: http://paulbourke.net/dome/cube2fish/

I definitely think it's time to go all-in on 2.8 for training purposes, simply because the UI is now so much more friendly to new users.

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[Jim Craig]

If there's a download for cube2fish, I can't find it. Is it a purchase or just a download?

I know that Spitz had something like this back when I was using Electric Sky and it was a free download. It was a bit kludgy but worked pretty well.

[Ron Proctor]

It's probably a purchase, but his stuff is usually very affordable (tens of dollars, if I recall correctly). Shoot an e-mail to Paul if you're interested.

In the meantime, I'm working on a spherical UV distortion solution in the compositor. I should have a video on that astronomically soon. (Maybe real soon as a way to ask for help figuring out a few things.) . :)

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[Jim Craig]

I just did a test with Eevee and hope to have the results posted here. It was to see what the time would be vs. rendering the entire thing in Cycles.

I built a 6 camera rig using 90 degree cameras. I rendered 300 frames each for a total of 1800 frames. Nothing was automated but I'm sure I can come up with a way to do this. The frames were 1080 x 1080.

Here are the times for setting this up from scratch:

19:31 - Start Blender 2.80 using a terminal window (no icon set up for it yet on my Linux box).

19:40 - Finished rig and model. Started render.

20:02 - Rendering finished. Closed Blender 2.80.

20:02 - Started Blender 2.79b using icon.

20:35 - Finished camera rig using textured cube and fisheye camera.

20:43 - Finished rendering.

So from start to finish, the whole test took an hour and 12 minutes. 

I turned the sampling way down to 16 on the Cycles rendering because there was nothing to generate noise. With my GPU (nothing great shakes), it took about 8 minutes to convert the file over.

Now that I have my Eevee and Cycles rigs built, I should be able to speed up this pipeline. If I can automate the output from six different cameras using Eevee, I should be able to do this even faster.

And it was all done using Blender.

JC

[Jim Craig]

Here's the final video. The artifacts are from the encoding, not the original frames.

[Ron Proctor]

The test looks great!

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[Jim Craig]

Here's here's a link for another test I did using the Tree Creature demo that you can download from the Blender website. I removed the existing camera rigs and put in my own. The original was 2560 x 2560 but I've encoded this at 1536 x 1536 and with the AVI codec so you can take a look at it in the Super MediaGlobe system without further conversion. The file is 25+ megabytes so it's too big to share here in the group.

https://drive.google.com/open?id=1kW6niUZZ7bjrm1rtXQ_JkNn5OEJLx9gL

Naturally, because it's someone else's work, you should check with the original content creator before making it publicly available to anyone.

I'll make the .blend files for my camera rig and converter available soon if anyone wants them and I'm working on a tutorial on how to do this yourself.

Jim

Planet of Mystery

http://www.planetofmystery.com

[Ron Proctor]

Very cool.

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