[Bf-funboard] Re: Fake Area-Lights

[malefico andauer]

Basically I agree with the proposal, It's always
cumbersome to set this kind of thing manually.
Dupliverted spots are a real mess to see in a scene.
Something that could be easily (I guess) done is to
add an option to avoid drawing of the dupliverted
lamps but still render its light/shadow. Something
like hiding bones. Of course its only use would be for
lights though...

I personally don't think it could be possible from
python (at least not the way the feature was
described) because I can't figure out a way to hide
the generated spots and still render its lighting...

Writing this I got an idea I would like to try.

Regards

malefico.




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>    1. Re: Fake Area-Lights (jmsoler at free.fr)
>    2. Re: Fake Area-Lights (Campbell Barton)
>    3. Re: Fake Area-Lights (Konrad Haenel)
>    4. Re: Fake Area-Lights (Bart)
>    5. Re: Fake Area-Lights (alex)
>    6. Re: Fake Area-Lights (Konrad Haenel)
>    7. Re: Fake Area-Lights (Konrad Haenel)
>    8. Re: Fake Area-Lights (Campbell Barton)
> 
> 
>
----------------------------------------------------------------------
> 
> Message: 1
> Date: Tue, 16 Aug 2005 01:07:25 +0200
> From: jmsoler at free.fr
> Subject: Re: [Bf-funboard] Fake Area-Lights
> To: arne.schmitz at gmx.net,
> bf-funboard at projects.blender.org
> Message-ID:
> <1124147245.4301202d42d85 at imp4-q.free.fr>
> Content-Type: text/plain; charset=ISO-8859-1
> 
> Selon Arne Schmitz
> <arne.schmitz at mmweg.rwth-aachen.de>:
> 
> > Am Montag, 15. August 2005 17:53 schrieb Konrad
> Haenel:
> > > Fake area-lights using arrays of shadow-mapped
> spotlights
> > >
> > > preface: Before area-lights became widely
> available it was a common
> > > technique to cluster an array of shadow-mapped
> spotlights to simulate
> > > soft-shadows. Though this method has clear
> limitations it works
> > > surprisingly well in many situations. At the
> same time it often greatly
> > > reduces rendering-time compared to real
> raytraced area-lights.
> >
> > Couldn't that be done by some Python script?
> 
> There is a script to copy a lamp to each vertex of a
> mesh :
>
http://jmsoler.free.fr/didacticiel/blender/tutor/cpl_b223new.htm
> 
> 
> 
> 
> 
> ------------------------------
> 
> Message: 2
> Date: Tue, 16 Aug 2005 13:03:55 +1000
> From: Campbell Barton <cbarton at metavr.com>
> Subject: Re: [Bf-funboard] Fake Area-Lights
> To: bf-funboard at projects.blender.org
> Message-ID: <4301579B.8070100 at metavr.com>
> Content-Type: text/plain; charset=ISO-8859-1;
> format=flowed
> 
> Just copying the light isnt that usefull, you have
> the problem that 
> there now many objects, not as easy to move at once
> etc.
> 
> Also a fake area light needs to have the energy of
> each light devided by 
> the number of lights. So its a bit annoying to
> manually adjust.
> 
> Of course its the same thing, but users who want
> area lights will add 
> them and get slow renders, why not allow them to
> click on a button that 
> does all the the copying etc in the render
> initializer?
> 
> - Cam
> 
> 
> >Selon Arne Schmitz
> <arne.schmitz at mmweg.rwth-aachen.de>:
> >
> >  
> >
> >>Am Montag, 15. August 2005 17:53 schrieb Konrad
> Haenel:
> >>    
> >>
> >>>Fake area-lights using arrays of shadow-mapped
> spotlights
> >>>
> >>>preface: Before area-lights became widely
> available it was a common
> >>>technique to cluster an array of shadow-mapped
> spotlights to simulate
> >>>soft-shadows. Though this method has clear
> limitations it works
> >>>surprisingly well in many situations. At the same
> time it often greatly
> >>>reduces rendering-time compared to real raytraced
> area-lights.
> >>>      
> >>>
> >>Couldn't that be done by some Python script?
> >>    
> >>
> >
> >There is a script to copy a lamp to each vertex of
> a mesh :
>
>http://jmsoler.free.fr/didacticiel/blender/tutor/cpl_b223new.htm
> >
> >
> >
> >_______________________________________________
> >Bf-funboard mailing list
> >Bf-funboard at projects.blender.org
>
>http://projects.blender.org/mailman/listinfo/bf-funboard
> >
> >
> >  
> >
> 
> 
> -- 
> Campbell J Barton
> 
> 133 Hope Street
> Geelong West, Victoria 3218 Australia
> 
> URL:    http://www.metavr.com
> e-mail: cbarton at metavr.com
> phone: AU (03) 5229 0241
> 
> 
> 
> ------------------------------
> 
> Message: 3
> Date: Tue, 16 Aug 2005 10:07:24 +0000
> From: Konrad Haenel <public at konrad-haenel.de>
> Subject: Re: [Bf-funboard] Fake Area-Lights
> To: cbarton at metavr.com,
> bf-funboard at projects.blender.org
> Message-ID: <4301BADC.7050301 at konrad-haenel.de>
> Content-Type: text/plain; charset=ISO-8859-1;
> format=flowed
> 
> This is exactly what I mean: adjusting, moving,
> rotating and generally 
> tweaking is very unhandy with manually created
> lightdomes. And they DO 
> need a fair amount of tweaking to create nice
> soft-shadows. During my 
> recent projects I had to do this from time to time
> and the bad workflow 
> was really frustrating. All this could be
> dramatically simplyfied by 
> combining a set of controls and adding it to the
> light panel, as a new 
> type of lamp.
> 
> Campbell Barton wrote:
> 
> > Just copying the light isnt that usefull, you have
> the problem that 
> > there now many objects, not as easy to move at
> once etc.
> >
> > Also a fake area light needs to have the energy of
> each light devided 
> > by the number of lights. So its a bit annoying to
> manually adjust.
> >
> > Of course its the same thing, but users who want
> area lights will add 
> > them and get slow renders, why not allow them to
> click on a button 
> 
=== message truncated ===


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