[Bf-committers] A new photo format

Knapp magick.crow at gmail.com
Sun Jun 26 22:30:41 CEST 2011


On Sun, Jun 26, 2011 at 6:16 PM, Lars Krueger <lars_e_krueger at gmx.de> wrote:
> -------- Original-Nachricht --------
>> Datum: Sat, 25 Jun 2011 21:08:39 +0200
>> Von: Knapp <magick.crow at gmail.com>
>> An: bf-blender developers <bf-committers at blender.org>
>> Betreff: Re: [Bf-committers] A new photo format
>
>> Many times while reading these sites I have seen them mention 3d but I
>> do see your point. On the other hand might these cameras be really
>> good for making bump/ normal/ displacement maps of surfaces?
>
> For that, conventionally you'd need high-res 3d info. I'm not sure if a normal map can be obtained using e.g. shape-from-shading methods exploiting the different view directions.
>
>> One question I have is, if the 3d info in not there then how can they
>> change the focus depth? It would seem to me that you could make a 3d
>> image out of it just by plotting the points that are in focus as you
>> go from near focus to far focus. Perhaps this is just a failure on my
>> part to understand the math.
>
> Check http://eces.colorado.edu/~pavani/Plenoptic.pdf, Slide 8. No 3D required.
>
> --
> Dr. Lars Krueger

OK, but slide number 7 is doing what I said, making a bump map (3d
depth info) out of the picture. I think it would be good for taking 3d
pictures of textures and importing them into blender.

-- 
Douglas E Knapp

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