Thanks guys. All very helpful. Ron Ganbar email: [email protected] tel: +44 (0)7968 007 309 [UK] +972 (0)54 255 9765 [Israel] url: http://ronganbar.wordpress.com/
On 30 May 2012 12:10, Sebastian Elner <[email protected]> wrote: > I did some integration work in nuke back then, created a plugin to > compute the harmonic coefficients just to finally find out that there was > something "wrong" with Roys gizmos. They took one additional coefficient in > account, but I could not find out what this magical number was and how it > was computed so after some fiddling I gave up. > > > > On 05/30/2012 10:57 AM, Ron Ganbar wrote: > > Hi Paolo, > naturally I can do it in Atomkraft, but I'm thinking regular Nuke for now. > > Tahl, > good idea about the Environment light, but I was thinking what Roy did in > that same masterclass with the whole spherical harmonics thing. Anybody > ever had a look at that and collected it all to a usable gizmo? > > Thanks, > Ron Ganbar > email: [email protected] > tel: +44 (0)7968 007 309 [UK] > +972 (0)54 255 9765 [Israel] > url: http://ronganbar.wordpress.com/ > > > > On 30 May 2012 09:51, Paolo Berto <[email protected]> wrote: > >> Hey Ron, >> >> you can easily do it with AtomKraft, even with the free version you can >> use SH and it is pretty fast :) >> >> - Lay down an AtomEnvironment >> - Plug in your HDRI (if not latlong you can use SphericalTransform) >> - Set mode to "Accurate" for SH (spherical harmonics). Just FYI the >> "Approximate" stands for bent normals. >> >> If you also need real shadowing from the environment you can: >> >> - turn AENV shadows from "off" to "simple" to also have proper shadow >> from the HDRI environment (when using shadows you should use a proper >> sample count) >> >> If you instead just need plain environment occlusion : >> >> - connect another AENV with no texture plugged (default is white >> environment) and >> - set shadows to simple, and samples accordingly. >> >> >> Note that: >> >> * The relative AOVs are properly filled. >> * There are many other combinations (plain environment reflections, >> raytraced reflection of the environment according to the BRDF, multiple >> textures for diffuse & specular...) that you can achieve, we are planning a >> simplification of AENV along with presets as it is a bit overcomplicated >> for a comp artist. >> >> Beers, >> >> P. >> >> >> >> >> >> On Wed, May 30, 2012 at 2:04 PM, Ron Ganbar <[email protected]> wrote: >> >>> Hi Guys, >>> does anyone do HDRI based Lighting in Nuke? How can one do that, I >>> wonder? >>> I remember something from the 2009 Foundry Masterclass, but it wasn't >>> straight forward by any stretch of the imagination... >>> >>> Thanks, >>> Ron Ganbar >>> email: [email protected] >>> tel: +44 (0)7968 007 309 <%2B44%20%280%297968%20007%20309> [UK] >>> +972 (0)54 255 9765 <%2B972%20%280%2954%20255%209765> [Israel] >>> url: http://ronganbar.wordpress.com/ >>> >>> >>> _______________________________________________ >>> Nuke-users mailing list >>> [email protected], http://forums.thefoundry.co.uk/ >>> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >>> >>> -- >>> paolo berto durante >>> space cowboy >>> /*jupiter jazz*/ visual research — hong kong >>> <http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users> >>> http://jupiter-jazz.com >>> >>> >>> >>> >>> >> _______________________________________________ >> Nuke-users mailing list >> [email protected], http://forums.thefoundry.co.uk/ >> http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >> > > > > _______________________________________________ > Nuke-users mailing [email protected], > http://forums.thefoundry.co.uk/http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users > > > > -- > Sebastian Elsner - pipeline td - r i s e | fx > > t: +49 30 20180300 [email protected] > www.risefx.com > > r i s e | fx GmbH > Schlesische Strasse 28 Aufgang B, 10997 Berlin > Geschäftsführer: Sven Pannicke, Robert Pinnow > > Handelsregister Berlin HRB 106667 B > > > _______________________________________________ > Nuke-users mailing list > [email protected], http://forums.thefoundry.co.uk/ > http://support.thefoundry.co.uk/cgi-bin/mailman/listinfo/nuke-users >
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