[Sidefx-houdini-list] Point cloud rendering

Andy Nicholas andy at andynicholas.com
Mon Oct 27 11:32:29 EDT 2008


Great, thanks very much guys for the suggestions, I'll check them out.

Andy


> There is a fake AO shader using similar technique that you can find on
> odforce.
> http://forums.odforce.net/index.php?showtopic=5114&hl=point+cloud+ambient+fake+shader
>
>
> 2008/10/27 Olex P <hoknamahn at gmail.com>
>
>> Yes you can do it. Use pcopen()/pciterate() functions and "distance"
>> channel
>> from the cloud.
>>
>> On Mon, Oct 27, 2008 at 2:10 PM, Andy Nicholas <andy at andynicholas.com
>> >wrote:
>>
>> > Hi,
>> >
>> > Does anyone know if it's possible to use point cloud techniques to
>> render
>> > a grey scale map on an object according to how close points from a
>> > separate point cloud are to its surface? I guess the effect would be
>> > similar to creating light instances at the point positions with linear
>> > fall off, but I can't use this method as it'd be too costly in render
>> > time.
>> >
>> > Maybe there are other methods I could look at using?
>> >
>> > Thanks
>> >
>> > Andy
>> >
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