[Sidefx-houdini-list] Houdini Lens Distortion

Peter Bowmar pbowmar at gmail.com
Fri Sep 30 11:40:50 EDT 2011


That's the spirit!

:)

On 30 September 2011 08:44, Neil Scholes <neil at uvfilms.co.uk> wrote:
> 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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>>>>> Sidefx-houdini-list at sidefx.com
>>>>> https://lists.sidefx.com:443/mailman/listinfo/sidefx-houdini-list
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>> =======================================
>>>> 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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>>
>
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-- 
Cheers,

Peter B

--No, I am not on Facebook.



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