The heuristic we use in the dotXSI exporter in this case is to strstr for "tangent" in the vertex color prop. We also have an option to turn it off.
-----Original Message-----
From: owner-3dgames(at)Softimage.COM [mailto:owner-3dgames(at)Softimage.COM] On Behalf Of André Adam
Sent: Thursday, December 07, 2006 6:33 AM
To: 3DGames(at)Softimage.COM
Subject: Re: Identifying a Tangents Property
Hi Alexandre,
thanks, however, the magic must be a different one. Checking for the op fails for frozen objects, while the dotXSI exporter still manages to identify it as a tangent property. Another idea left in the quiver?
Many thanks so far!
-André
Alexandre Jean-Claude wrote:
> You need to check for the tangent operator underneath the vertex color.
>
> -----Original Message-----
> From: owner-3dgames(at)Softimage.COM [mailto:owner-3dgames(at)Softimage.COM]
> On Behalf Of André Adam
> Sent: Wednesday, December 06, 2006 6:07 AM
> To: 3dgames(at)Softimage.COM
> Subject: Identifying a Tangents Property
>
> Hello alltogether,
>
> we're currently playing around with the tangents property generated by XSI. If exported to dotXSI5, the Type description is "TEXTANGENT".
> However, within XSI the Type returns "vertexcolor". We can't seem to find any hint on that property within XSI to clearly identify it as a tangents property, which we would like to do to pass it over to our Custom Display Host.
> Obviously this is possible, so, how does the dotXSI exporter identify it as a tangents property?
>
> Oh, and if anyone has any idea what kind of information is stored in
> the alpha channel during tangent generation, that would be an
> interesting extra bit of information... :)
>
> Thanks in advance for a quick hint...
>
> -André
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