Re: [Algorithms] Colada experience (was Animation Export Problem)

We are using Collada on our current project.  The Maya exporter is
working great and the importer was straightforward to implement.

Collada accessors are flexible, but I wouldn't consider them to be
overkill.  They are comparable in expressiveness to vertex declarations.

Here is an example:

  <accessor source="#polySurfaceShape30-lib-Position-array" count="2864"
stride="3">
    <param name="X" type="float"/>
    <param name="Y" type="float"/>
    <param name="Z" type="float"/>
  </accessor>

The names are optional.  They just serve as useful documentation when
looking at the file.  You can't store a position in Z,Y,X order.

So basically, this just says:

  1. where to start reading
  2. how many positions to read
  3. what is the stride between positions
  4. positions are 3d


Jon Watte wrote:
> 
> 
> Richard Fabian wrote:
> 
>> How many of us are using colada?
> 
> 
> I looked at it, but it just looks too crazy. For example: All the
> business of defining procedural accessors for each component of a vertex
> array just seems like overkill. It's not like "vertex position" will
> actually be anything other than X,Y,Z... (with a possible fourth
> component if you're especially crafty).
> 
> And before the list admins berate me: check out the headers of this
> reply :-)
> 
> Cheers,
> 
>             / h+
> 
> 


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