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difference between Local Ray Tr. & Ray Tr. with impacts
PostPosted: Thu Sep 08, 2005 2:48 pm Reply with quote
Wojciech Rzeszutek
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Joined: 30 May 2005
Posts: 1
Location: Wroclaw, Poland




Hello

I'm wondering, what's the difference between Local Ray Tracing and Ray Tracing with Impacts (or Mirror Image with Impacts).

Does Local Ray Tracing witch choosen ray tracing option calculate rays in the same way, as Ray Tr. with Impact does?

I know in Local Ray Tracing there is no Directed Emission option and no Loss parameter. Any other differences?

Thank you for your reply
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PostPosted: Sun Sep 11, 2005 10:25 am Reply with quote
Stefan
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Joined: 19 Apr 2005
Posts: 167
Location: Berlin, Germany




Hi,

no there are no differences between Find Impacts and Local Raytacing, generally. Local raytracing is just a shorter way to look at reflections in the Probe. It bypasses the Raytracing module and the advanced options therein.

Mirror Image is essentially different from the above random (Monte Carlo) raytracing method. Mirror Image determines analytically all possible specular reflections for each order. Its performance strongly depends on the number of faces.

Stefan
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ray tracing introduction
PostPosted: Mon Dec 05, 2005 7:30 am Reply with quote
jevans
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Joined: 29 Apr 2005
Posts: 15
Location: Dubai, UAE




check out the Audio Cyclopedia by Glenn Balou. There is a chapter on acoustical prediction by Dominique J. Chéenne.

-Best

/Josh_Evans/

_________________
"Sound is what happens when air gets pushed"
Dick Heyser
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