[Sidefx-houdini-list] Delayed load for IFD?

Andy Nicholas andy at andynicholas.com
Wed Sep 8 13:02:29 EDT 2010


Okay thanks Peter, I'll avoid :-)


> Ah, I see. In fact, in a roundabout way, yes. However, I bet you'll
> find it's faster to displace in the render than have a ludicrously
> large (millions of polys) .bgeo loaded each time...
>
> You can get Mantra to write  a .ply file using some now-forgotten
> trickery using printf() statements in a shader.. Don't forget that
> unless you turn off Hiding and use Uniform Dicing, you won't actually
> get a full object written out, and that doing this will slow down your
> render significantly...
>
> Cheers,
>
> Peter B
>
> On 8 September 2010 09:30, Andy Nicholas <andy at andynicholas.com> wrote:
>> Is it possible to export a bgeo from mantra with the rendertime
>> displaced
>> geometry ?
>>
>>
>>
>>> Why not export as a .bgeo? IFDs simply contain BGEO in-lined...
>>>
>>> On 8 September 2010 07:31, Andy Nicholas <andy at andynicholas.com> wrote:
>>>> Hi list,
>>>> Does anyone know if there's a way to include a pre-exported object
>>>> stored
>>>> in an IFD file back into the render? I'm interested to know if there's
>>>> a
>>>> way of doing this in a similar way to the delayed load procedural
>>>> shader.
>>>> Otherwise I guess the only option is to directly manipulate the IFD
>>>> files
>>>> with some funky ASCII engineering.
>>>>
>>>> It's just that we've got an object with some heavy displacement on it
>>>> that
>>>> takes about 30 mins to export, and it would be handy to just do this
>>>> once
>>>> and reference the IFD file at render time.
>>>>
>>>> Thanks for any suggestions,
>>>>
>>>> Andy
>>>>
>>>>
>>>>
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>>>
>>>
>>>
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>>
>>
>>
>
>
>
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