glas and pathtracing error

Generic forum to discuss Octane Render, post ideas and suggest improvements.
Forum rules
Please add your OS and Hardware Configuration in your signature, it makes it easier for us to help you analyze problems. Example: Win 7 64 | Geforce GTX680 | i7 3770 | 16GB
Post Reply
RUNNER
Posts: 16
Joined: Sat Mar 13, 2010 9:13 pm

I can't do galss material in octane (working in blender 2.49b) becouse there are errors and it doesn't looks good (octane wersion 0.81a) and i don't know how to change transparency of the material. If you can you can make short tutorial how to made a realistic glass.
Second thing is the pathtracing when i change from a directlighting on the path my monitor shuting down and there is bluescreen . It happens in mid scenes like classroom . I don't think that it is from my memory becouse in 800x600 it take lower than half of video memory (i have gddr2 if it matters). I exporting scenes like radiance shows (without edges and with normals HQ etc).
Win 7 x64 core i7 920 @ 2.8 6GB DDR3 1600 GF 9600 GT 512
MDkai
Licensed Customer
Posts: 40
Joined: Wed Mar 10, 2010 8:22 pm

Hi there,
there are errors and it doesn't looks good (octane wersion 0.81a) and i don't know how to change transparency of the material. If you can you can make short tutorial how to made a realistic glass.
You change the transparency by adjusting the Kd value, which by default is a color. Set this to pure white will create a 100% transparent specular material.
Colors will result in a tint of the material and black will absorb all lightrays.

What specific errors do you speak of ?
WinXp x64 | Core2Quad 2,66 Ghz | 8GB Ram| Geforce 8800 GTX | CUDA 3.0
User avatar
radiance
Posts: 7633
Joined: Wed Oct 21, 2009 2:33 pm

RUNNER wrote:I can't do galss material in octane (working in blender 2.49b) becouse there are errors and it doesn't looks good (octane wersion 0.81a) and i don't know how to change transparency of the material. If you can you can make short tutorial how to made a realistic glass.
Second thing is the pathtracing when i change from a directlighting on the path my monitor shuting down and there is bluescreen . It happens in mid scenes like classroom . I don't think that it is from my memory becouse in 800x600 it take lower than half of video memory (i have gddr2 if it matters). I exporting scenes like radiance shows (without edges and with normals HQ etc).
Hi, can you give us some screenshots to illustrate the problem?
Do the stability problems also present when you use the octane8000.exe executable ?

Also check your drivers, make sure you have installed the same ones as we recommend in the readme.txt that comes with the releases.

Radiance
Win 7 x64 & ubuntu | 2x GTX480 | Quad 2.66GHz | 8GB
User avatar
thwak
Licensed Customer
Posts: 172
Joined: Sat Feb 06, 2010 2:20 am

MDkai wrote:You change the transparency by adjusting the Kd value, which by default is a color. Set this to pure white will create a 100% transparent specular material.
Colors will result in a tint of the material and black will absorb all lightrays.
Actually this is one place where the current manual differs from the beta. The beta calls the first two specular parameters 'Ks' and 'Kd', whereas the manual calls them 'specularity' and 'transmission'. I assume this small error has already been caught?
Ubuntu 9.10 x64 | GTS 240 | 260.19.44 drivers | 3.0 Toolkit | Dual-Core 2.4 GHz | 4Gb| Blender 2.56a/latest Yoyoz plugin
WinXP32 | GTS 240 | 266.58 drivers | 3.0 Toolkit | Dual-Core 2.4 GHz | 4Gb | Blender 2.56a/latest Yoyoz plugin
User avatar
PhilBo
OctaneRender Team
Posts: 553
Joined: Wed Oct 21, 2009 2:36 pm
Location: Warren, Michigan USA

thwak wrote:
MDkai wrote:You change the transparency by adjusting the Kd value, which by default is a color. Set this to pure white will create a 100% transparent specular material.
Colors will result in a tint of the material and black will absorb all lightrays.
Actually this is one place where the current manual differs from the beta. The beta calls the first two specular parameters 'Ks' and 'Kd', whereas the manual calls them 'specularity' and 'transmission'. I assume this small error has already been caught?


If you change the material from a glossy to a specular, it will retain the ks and kd descriptions. If you change from diffuse straight to specular, you will see the specularity and transmission descriptions as it should be. This appears to be a bug. I'll report it to Radiance.
Win7 64| Two GTX 470s | Phenom II 920 | 8 GB
Win7 32| GTX 260 | Athlon X2 5000+ BE | 2 GB
RUNNER
Posts: 16
Joined: Sat Mar 13, 2010 9:13 pm

Thanks MDkai.
i think that the errors are couse by normals.
i could't make screen of BS :P
Attachments
bigger errors after smooth
bigger errors after smooth
errors with settings of pathtracing
errors with settings of pathtracing
Win 7 x64 core i7 920 @ 2.8 6GB DDR3 1600 GF 9600 GT 512
User avatar
thwak
Licensed Customer
Posts: 172
Joined: Sat Feb 06, 2010 2:20 am

PhilBo wrote:If you change the material from a glossy to a specular, it will retain the ks and kd descriptions. If you change from diffuse straight to specular, you will see the specularity and transmission descriptions as it should be. This appears to be a bug. I'll report it to Radiance.
Ah. Thanks Phil.
Ubuntu 9.10 x64 | GTS 240 | 260.19.44 drivers | 3.0 Toolkit | Dual-Core 2.4 GHz | 4Gb| Blender 2.56a/latest Yoyoz plugin
WinXP32 | GTS 240 | 266.58 drivers | 3.0 Toolkit | Dual-Core 2.4 GHz | 4Gb | Blender 2.56a/latest Yoyoz plugin
Post Reply

Return to “General Discussion”