[JIRA] Issue Comment Edited: (VWR-1452) capture prim linkset into single sculptie

Contagious Republic (JIRA) no-reply at lindenlab.cascadeo.com
Mon Nov 9 10:22:03 PST 2009

    [ http://jira.secondlife.com/browse/VWR-1452?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=104116#action_104116 ] 

Contagious Republic edited comment on VWR-1452 at 11/9/09 10:20 AM:

Qarl could buy SculptCrafter's copyright, or hire me. That would work. I could use to be called Contagious Linden too. (-;

      was (Author: Contagious Republic):
    Qarl could buy my tool's copyright, or hire me. That would work. (-;
> capture prim linkset into single sculptie
> -----------------------------------------
>                 Key: VWR-1452
>                 URL: http://jira.secondlife.com/browse/VWR-1452
>             Project: 1. Second Life Viewer - VWR
>          Issue Type: New Feature
>          Components: Graphics
>            Reporter: Qarl Linden
>         Attachments: 1. original linkset.jpg, 2. converted to sculptie.jpg
> the idea here is similar to that described by Anjin Meili here:
> http://nwn.blogs.com/nwn/2007/06/sculpting_data.html
> (i should mention we planned for this feature independently of Anjin's work.)
> the sculpted prim is created from a linkset of prims using a spherical "capture" process - rays are shot inward from a bounding sphere - the point where they first strike the linkset (and the color at that point) is recorded into a texture map.  rudimentary ray-tracing code is already present in the viewer.
> alternately - a more advanced implementation uses a specialized GPU renderpass to generate the image.  here the image is rendered into spherical space and the depthbuffer contains the  distance from the center of the linkset.  this technique is substantially faster than the ray-tracing method (thus useful for automatic extreme distance LOD effects - but that's for another day...)
> either implementation is extremely useful, as it gives our residents a nice way to generate sculpted prims in-world - and encourages the idea that sculpted prims are to be used to lower prim-count.

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