[Bf-cycles] fisheye mode

[Dalai Felinto]

implemented, waiting for review and tests
http://codereview.appspot.com/6111052/

I'm wondering about cylinder mode. if it's really necessary.

Regards,
Dalai

2012/4/24 Dalai Felinto <dfelinto at gmail.com>

> Hi Benjamin,
>
> > I was also thinking about working on a native fisheye for Blender.
> Go ahead if you feel like ;) I'm planning to give git(hub?) a try.
> Although the development may be short you can step in as well.
>
> > a round border-render with the angular fisheye, so that only the maximal
> circle in a square image would be rendered.
> Is this for a horizontal dome? If so wouldn't be better to use a
> equirectangular panorama with custom 'bottom' and 'top' angles?
>
> I'm hesitant in have Blender supporting all types of panoramas. A quick
> glance at hugin shows more than 20 panorama types.
> But once we have the basic modes implemented it should be easy for any
> coder to expand it.
>
> > (Currently I'm developing a workaround to get fisheye-images:
> https://github.com/Benni-chan/Blender-Fulldome-Addon/blob/master/domecam.py
>  )
> Small note: for non-cycles renders I recommend to use linked scenes +
> UVMap nodes instead of multiple cameras. At least for me it always worked
> well (and it doesn't require hugin). PM me if you are not familiar with and
> are interested in this technique.
>
> --
> Dalai
>
>
> 2012/4/24 Benjamin Waller <benjamin at mycontact.eu>
>
>> Hi,
>>
>> I was also thinking about working on a native fisheye for Blender.
>> (Currently I'm developing a workaround to get fisheye-images:
>>
>> https://github.com/Benni-chan/Blender-Fulldome-Addon/blob/master/domecam.py
>> )
>>
>> A Fisheye camera should have the following options:
>> FOV (don't stop at 180°! allow the user to select large angles. I'm
>> using a FOV of 220° or 240° pretty often.)
>> Type: all the different types of fisheye (angular, equirectangular,
>> etc...)
>>
>> nice would be a round border-render with the angular fisheye, so that
>> only the maximal circle in a square image would be rendered.
>> (I'm using fisheye-images for digital dome-projections. the maximal
>> circle in the square image is what you can see on the dome.)
>> You can find more people, who are working with fisheyes in blender on
>> this forum: http://blendertarium.ottplanetarium.org/forum/
>>
>> Benjamin
>>
>> 2012/4/24 Brecht Van Lommel <brechtvanlommel at pandora.be>:
>> > Hi,
>> >
>> > The idea was to put Panorama on the same level as
>> > Orthographic/Perspective. Then below that you could have
>> > Equirectangular/Fisheye/.., which can just be a cycles python
>> > property. This shouldn't affect implementing fisheye though, it just
>> > makes the UI look a bit nicer, you can add it regardless of that
>> > change.
>> >
>> > Further I don't have any particular suggestions for which options to
>> > add for these camera's. I think it should all fit ok in the current
>> > design.
>> >
>> > Brecht.
>> >
>> > On Tue, Apr 24, 2012 at 5:38 AM, Dalai Felinto <dfelinto at gmail.com>
>> wrote:
>> >> Hi Brecht,
>> >>
>> >> In the 'use_panorama' commit you mentioned the idea of having Panorama
>> as a
>> >> unique camera mode for Cycles.
>> >> Are there other plans in that area? After 2.63 is out I would like to
>> get my
>> >> hands in support for fisheye.
>> >>
>> >> The options I can think of: (1) FOV angle (2) mode
>> [hemispherical/angular
>> >> fisheye]
>> >> Any objections, ideas, ... ?
>> >>
>> >> A quick hack hijacking the current 'use_panorama' mode can be found
>> here:
>> >> http://www.dalaifelinto.com/?p=389
>> >>
>> >> Thanks,
>> >> Dalai
>> >>
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>> >>
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