Baked gas domain not showing up in viewport. #77977

New Issue

KingKilo · 2020-06-18T01:11:09+02:00

KingKilo commented

2020-06-18 01:11:09 +02:00

System Information
Operating system: Windows 10 Home - 10.0.18362

NVIDIA GeForce GTX 1080 Ti
Intel(R) Core(TM) i7-7800X CPU @ 3.50GHz
32GB RAM

Blender Version
Broken: 2.83
Worked: newest version of Blender that worked as expected

Short description of error
After Domain > Gas > Bake, nothing shows up in the viewport.
Not in solid, nor rendered view. (Cycles)

It only shows up in the viewport after I bake my noise.

Currently following this tutorial (With the Khaos add-on)
You can see LightArchitect move around the visible explosion, after a simple bake.
But even before I had Khaos, this didn't work properly.
Explosion2_Khaos.blend

The follow up is discussed in both #77954 and #77922

**System Information** Operating system: Windows 10 Home - 10.0.18362 NVIDIA GeForce GTX 1080 Ti Intel(R) Core(TM) i7-7800X CPU @ 3.50GHz 32GB RAM **Blender Version** Broken: 2.83 Worked: newest version of Blender that worked as expected **Short description of error** After Domain > Gas > *Bake*, nothing shows up in the viewport. Not in solid, nor rendered view. (Cycles) It only shows up in the viewport after I bake my *noise*. [Currently following this tutorial ](https://www.youtube.com/watch?v=imfmaJTlmU4) (With the Khaos add-on) You can see LightArchitect move around the visible explosion, after a simple bake. But even before I had Khaos, this didn't work properly. [Explosion2_Khaos.blend](https://archive.blender.org/developer/F8629006/Explosion2_Khaos.blend) The follow up is discussed in both #77954 and #77922

KingKilo commented

2020-06-18 01:11:09 +02:00

Added subscriber: @KingKilo

Richard Antalik commented

2020-06-22 10:44:01 +02:00

Added subscriber: @iss

Richard Antalik commented

2020-06-22 10:44:01 +02:00

Changed status from 'Needs Triage' to: 'Needs User Info'

Richard Antalik commented

2020-06-22 10:44:01 +02:00

Can you upload file without using unofficial addons? We need as simple files as possible to identify issues as fast as possible. Addons may unnecessarily complicate things.

KingKilo commented

2020-06-22 12:02:08 +02:00

In #77977#962083, @iss wrote:
Can you upload file without using unofficial addons? We need as simple files as possible to identify issues as fast as possible. Addons may unnecessarily complicate things.

Of course, I'm sorry. I've had this problem with every "explosion" I've made so far, though.
So you could replicate the same issue with the file from #77954 or #77922.
Bake the gas, but don't bake the noise. Nothing shows up.

> In #77977#962083, @iss wrote: > Can you upload file without using unofficial addons? We need as simple files as possible to identify issues as fast as possible. Addons may unnecessarily complicate things. Of course, I'm sorry. I've had this problem with every "explosion" I've made so far, though. So you could replicate the same issue with the file from #77954 or #77922. Bake the gas, but don't bake the noise. Nothing shows up.

Richard Antalik commented

2020-06-23 07:36:32 +02:00

I have used file from report #77954 but I have scaled up flow objects and smoke is there. Other file is very much similar. Those aren't good example files.

KingKilo commented

2020-06-23 20:49:05 +02:00

Sorry, I'm not entirely sure what you mean with "scaled up flow objects". Do you mean you added more particles, or more sampling substeps, or something else?

Maybe the issue isn't explained well enough. Here are some screenshots.

These screenshots are from frame 40, WITH baked noise.
Solid view, material view, rendered view.

These screenshots are from frame 40, WITHOUT baked noise.

I'm not sure why it's invisible in my viewport, without noise.
Some explosions don't need that level of detail.
So to add that much more time on my renders, just to see it in the viewport, feels like over-kill.

Sorry, I'm not entirely sure what you mean with "scaled up flow objects". Do you mean you added more particles, or more sampling substeps, or something else? Maybe the issue isn't explained well enough. Here are some screenshots. These screenshots are from frame 40, WITH baked noise. Solid view, material view, rendered view. ![Solid (with noise).png](https://archive.blender.org/developer/F8639465/Solid__with_noise_.png) ![Material (with noise).png](https://archive.blender.org/developer/F8639463/Material__with_noise_.png) ![Rendered (with noise).png](https://archive.blender.org/developer/F8639464/Rendered__with_noise_.png) These screenshots are from frame 40, WITHOUT baked noise. ![Material (no noise).png](https://archive.blender.org/developer/F8639470/Material__no_noise_.png) ![Rendered (no noise).png](https://archive.blender.org/developer/F8639469/Rendered__no_noise_.png) I'm not sure why it's invisible in my viewport, without noise. Some explosions don't need that level of detail. So to add that much more time on my renders, just to see it in the viewport, feels like over-kill.

Richard Antalik commented

2020-06-24 11:55:37 +02:00

In #77977#963416, @KingKilo wrote:
Sorry, I'm not entirely sure what you mean with "scaled up flow objects". Do you mean you added more particles, or more sampling substeps, or something else?

I changed domain resolution to 32, I selected flow objects, hit {key S}, and typed 20 and moved them so they are in domain completely, then baked about 20 frames and checked if smoke was there.

I don't like using that file, because it's validity as usable simulation is disputed.

> In #77977#963416, @KingKilo wrote: > Sorry, I'm not entirely sure what you mean with "scaled up flow objects". Do you mean you added more particles, or more sampling substeps, or something else? I changed domain resolution to 32, I selected flow objects, hit {key S}, and typed 20 and moved them so they are in domain completely, then baked about 20 frames and checked if smoke was there. I don't like using that file, because it's validity as usable simulation is disputed.

KingKilo commented

2020-06-25 14:51:36 +02:00

Update -

Without changing anything in the .blend file provide above or the file from #77954, Blender 2.82 is running this without any issues.
General Viewport bake is fully visible without having to bake "noise".

Definitely a 2.83 thing.

Update - Without changing anything in the .blend file provide above or the file from #77954, Blender 2.82 is running this without any issues. General Viewport bake is fully visible without having to bake "noise". Definitely a 2.83 thing.

Richard Antalik commented

2020-07-30 20:28:48 +02:00

Changed status from 'Needs User Info' to: 'Archived'

Richard Antalik closed this issue

2020-07-30 20:28:48 +02:00

Richard Antalik self-assigned this 2020-07-30 20:28:48 +02:00

Richard Antalik commented

2020-07-30 20:28:48 +02:00

Since no valid example file has been provided, We can not investigate this issue

Thanks again for the report. If the problem persists please open a new report with the required information.

Since no valid example file has been provided, We can not investigate this issue Thanks again for the report. If the problem persists please open a new report with the required information.

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Baked gas domain not showing up in viewport. #77977