[Sidefx-houdini-list] Houdini Lens Distortion

Neil Scholes neil at uvfilms.co.uk
Fri Sep 30 11:44:12 EDT 2011


HI Peter

Well that seals it! screw Houdini lens shaders - thats for morons......

Always learning

Best


Neil Scholes

+44(0) 7977 456 197
www.uvfilms.co.uk






On 30 Sep 2011, at 16:31, Peter Bowmar wrote:

> Hi Neil,
> 
> I think you'll find the opposite, that the distortion doesn't match
> and you waste time re-rendering. We never ever render with distortion,
> always flat then redistort in comp as the other guys have said.
> 
> That way when they spot a problem with the track or distortion it's a
> fast fix not a tedious 3D re-render...
> 
> Plus Mantra doesn't have lens shaders :)
> 
> Cheers,
> 
> Peter B
> 
> On 30 September 2011 07:59, Neil Scholes <neil at uvfilms.co.uk> wrote:
>> Hi Andrew
>> 
>> well it would save a ton of hassle going through 3DE's WARP tools - and ultimately some time.
>> 
>> 
>> 
>> 
>> Neil Scholes
>> 
>> +44(0) 7977 456 197
>> www.uvfilms.co.uk
>> 
>> 
>> 
>> 
>> 
>> 
>> On 30 Sep 2011, at 15:47, Andrew Lyons wrote:
>> 
>>> Most places do that in comp rather than baking it into renders. (That way
>>> you can modify your distortion field and not have to re-render everything.)
>>> Is there a reason why you need to bake the distortion into the render?
>>> 
>>> Cheers
>>> 
>>> 
>>> On 30 September 2011 07:46, Neil Scholes <neil at uvfilms.co.uk> wrote:
>>> 
>>>> Hi -
>>>> 
>>>> Long shot but anyone out there developed a lens distortion shader for a
>>>> Houdini camera - copying the classic and anamorphic lens models from 3D
>>>> Equalizer 4?
>>>> 
>>>> Any pointers gratefully welcome
>>>> 
>>>> Thanks
>>>> 
>>>> Neil Scholes
>>>> 
>>>> +44(0) 7977 456 197
>>>> www.uvfilms.co.uk
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
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>>>> 
>>> 
>>> 
>>> 
>>> --
>>> =======================================
>>> Andrew D Lyons | Digital Artist | http://www.tstex.com
>>> =======================================
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>> 
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> 
> 
> 
> -- 
> Cheers,
> 
> Peter B
> 
> --No, I am not on Facebook.
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