OctaneRender for Rhino 3.03.2 [OBSOLETE] Tweet

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Hello Paul,

I just want to report that the material editor is behaving very very problematic here right now. I would say that I have a freeze at an average of 30 minutes, at least 90 % when working on, or especially "leaving" the material editor tab although I try to avoid the situation where the preview in the ME window is still generating ...

Do you think that there is anything I can do to improve the situation? Should I remove the ME from the tab and use it from its own separate window?

thank you for any feedback

best

Andreas

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Hi Andreas - just giving McNeel a prod now....

You can try turning OFF "Auto-Update Preview".
Or try setting thumbnail size to Small
Or if neither of the above help, float the Material panel as a separate window.

Let me know how you go pls.

Paul

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Hello,

Just a quick question:

I am using the octane sun system, is there a way to modify the relationship between the sky and the sun light ( basically this would affect the darkness of the sun shadows).

Right now the only way I figured out to partially archive this was to increase the turbidity value, but that's somehow limited.
The other approach was to use a hdr image, but the problem here is the limited flexibility concerning the vertical angle...

Best

Andreas

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Hi Andreas - have you tried increasing the sun size? Do you want the shadows lighter or darker?

Paul

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Hello Paul,

I would think that increasing the sun size would lead to a softer shadow edge , not a lighter shadow.

Actually that's what I am mostly trying to achieve,
When using hdr images I am varying the gamma value of the map to archive this.

Best

Andreas

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Hi Andreas - the darkness of the shadow is based on the light absent from that surface - so if it is too dark, that probably means there are not enough reflective surfaces directing light into the shadows. Perhaps a big reflector off the side of the camera would fill in the shadows? Might help to see a sample of what you are trying to do - but to answer your original question, there is not a slider to control the sun shadow power.

Paul

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Hi Andreas - the darkness of the shadow is based on the light absent from that surface - so if it is too dark, that probably means there are not enough reflective surfaces directing light into the shadows. Perhaps a big reflector off the side of the camera would fill in the shadows? Might help to see a sample of what you are trying to do - but to answer your original question, there is not a slider to control the sun shadow power.

Hello Paul,

yes after 14 years of visualisation, I am well aware of the fact that the shadows are the absence off light (no offense ...)

Maybe I was not able to explain myself clearly, what I wanted to ask is :

when using the octane sky modell, can we increase the sky light intensity without increasing the direct sun light intensity?

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... in case it is not possible yet, make it a wish please, since it is something I really need often, thanks!

Andrea

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can we increase the sky light intensity without increasing the direct sun light intensity

Hi Andreas - does Turbiity not do this for you? As you move towards a Turbidity of 6, more of the sky color is used for lighting and less of the sun color.

Paul

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Hello Paul,

yes, turbidity helps, but right now it can only be raised to a maximum of 6, if it would be possible to increase this value it might basically do what I want to do (clients are often afraid of "dark" and "unfriendly" shadow although it adds depth and necessary contrast ...)

best

Andreas