Hi, I've been using this node set up for ever to do over painting and decaling
but since 16.3 and up I'm getting the results shown. Is this still an issue with
the Octane Mix Material node or maybe the Octane Alpha Image node?
Still an issue with material mix node or alpha image node
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All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
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D. Nvidia driver version (i.e. 7.50, 7.5.22)
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F. OctaneRender plugin version (i.e. v2.25 - 2.21)
G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
Before posting a bug report, please check the following:
1. That the issue has not already been disclosed
2. That the issue is specific to this plugin, and not Octane in general (Try reproducing it in Standalone)
Bugs related to the Octane Engine itself should be posted into the Standalone Support sub-forum.
All bug reports should include the information below, along with a detailed description of the issue and steps to reproduce it.
A. Operating System, including version (i.e. Win 7, OSX 10.11.2, Ubuntu 14.04, etc.)
B. Graphics Card(s) model (i.e. GTX 580 - 3GB, TITAN, etc.)
C. RAM Capacity (i.e. 6 GB)
D. Nvidia driver version (i.e. 7.50, 7.5.22)
E. OctaneRender Standalone version, if installed (i.e. 2.24.2, 2.23, etc.)
F. OctaneRender plugin version (i.e. v2.25 - 2.21)
G. Host application version, including build number if available (i.e. 3ds Max 2016 Build 18.0)
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Still an issue with material mix node or alpha image node
by dreif » Thu Jan 17, 2019 2:13 am
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Re: Still an issue with material mix node or alpha image node
by J.C » Thu Jan 17, 2019 11:02 am
In standalone (v4 and 2018) it works as expected. I latest Test Blender plugin it also works as expected but it is inverted :/
CPU – i7 8700k 4.8Ghz + 64GB RAM, GPUs: 4xRTX 2080, 2xGTX 980 Ti.
System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
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System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
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Re: Still an issue with material mix node or alpha image node
by DrawFun » Fri Jan 18, 2019 8:22 am
Hi dreif and J.C,
Thanks for your reports and sorry for the inconvenience.
In current blender builds(16.3.x and 17.x), we fixed a legacy bug in mix material which has been there for years.
Basically previous builds inverted the order of mix material inputs and now the order is correct.
In the next build, we will fix the backward compatibility bugs so you don't have to change your scenes manually.
If you want a quick patch in current builds, here I wrote some script to help you invert the inputs automatically. It works fine in the tests. Please let me know if you have any questions. Thanks!
Usage:
1. Close OctaneBlender
2. Download, uncompress and replace your "compatibility.py" under "[OctaneBlender Folder]\2.79\scripts\addons\octane", e.g. for me it's "D:\OTOY\softwares\BlenderOctane17.1\2.79\scripts\addons\octane".
- For Mac, it is put under "[blender.app folder]/Contents/Resources/2.79/scripts/addons/octane".
3. BACKUP your scene file
4. Open your scene with OctaneBlender. Now the order of mix material inputs should be inverted.
Please let me know if you have any questions. Thanks!
Cheers,
DrawFun
Thanks for your reports and sorry for the inconvenience.
In current blender builds(16.3.x and 17.x), we fixed a legacy bug in mix material which has been there for years.
Basically previous builds inverted the order of mix material inputs and now the order is correct.
In the next build, we will fix the backward compatibility bugs so you don't have to change your scenes manually.
If you want a quick patch in current builds, here I wrote some script to help you invert the inputs automatically. It works fine in the tests. Please let me know if you have any questions. Thanks!
Usage:
1. Close OctaneBlender
2. Download, uncompress and replace your "compatibility.py" under "[OctaneBlender Folder]\2.79\scripts\addons\octane", e.g. for me it's "D:\OTOY\softwares\BlenderOctane17.1\2.79\scripts\addons\octane".
- For Mac, it is put under "[blender.app folder]/Contents/Resources/2.79/scripts/addons/octane".
3. BACKUP your scene file
4. Open your scene with OctaneBlender. Now the order of mix material inputs should be inverted.
Please let me know if you have any questions. Thanks!
Cheers,
DrawFun
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compatibility.7z- (1.78 KiB) Downloaded 39 times
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Re: Still an issue with material mix node or alpha image node
by J.C » Fri Jan 18, 2019 6:02 pm
This is not working.
File was saved in 15.3.4 then opened 16.3.1 and 17.1 with updated compatibility.py file. After opening the order of mix material inputs is not inverted.
File was saved in 15.3.4 then opened 16.3.1 and 17.1 with updated compatibility.py file. After opening the order of mix material inputs is not inverted.
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- mix material.blend
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CPU – i7 8700k 4.8Ghz + 64GB RAM, GPUs: 4xRTX 2080, 2xGTX 980 Ti.
System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
My Behance portfolio, Blender plugin FB support group
System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
My Behance portfolio, Blender plugin FB support group
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Re: Still an issue with material mix node or alpha image node
by dreif » Sat Jan 19, 2019 12:23 am
I'm thinking it's the 7zip file it's self. I get this when testing the file in 7zip.
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Re: Still an issue with material mix node or alpha image node
by DrawFun » Sat Jan 19, 2019 2:22 pm
Hi J.C and dreif,
Could you please try this one? Please change the extension from .txt to .py before you use it. Thanks.
Cheers,
DrawFun
Could you please try this one? Please change the extension from .txt to .py before you use it. Thanks.
Cheers,
DrawFun
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- compatibility.txt
- (7.55 KiB) Downloaded 32 times
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Re: Still an issue with material mix node or alpha image node
by dreif » Sat Jan 19, 2019 3:22 pm
Thank you DrawFun, all is working! 
Win 7x64/GTX TITAN/Amd Phenom IIx4 955/16gb (The render tra la la)
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Re: Still an issue with material mix node or alpha image node
by J.C » Mon Jan 21, 2019 7:59 am
DrawFun wrote:Hi J.C and dreif,
Could you please try this one? Please change the extension from .txt to .py before you use it. Thanks.
Cheers,
DrawFun
This one is working, thanks!
CPU – i7 8700k 4.8Ghz + 64GB RAM, GPUs: 4xRTX 2080, 2xGTX 980 Ti.
System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
My Behance portfolio, Blender plugin FB support group
System – Windows 10, Octane 4-2020, Blender Plugin 17.x-21.x
My Behance portfolio, Blender plugin FB support group
- J.C
- Licensed Customer
- Posts: 1367
- Joined: Thu May 13, 2010 6:35 pm
- Location: Wrocław
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