If you can send me your data, it would be very useful for me to see what
it is doing. If you take out the zero-area triangles, the strip would
break making tri strips even shorter. If you want more information on
your strip length distributions, the StripifierStats class has a method
toString() which will print out a distribution of strip lengths (eg. how
many strips are length 1, 2, 3, 4, 5, 6, 7, 8, 9, 10-19, 20-49, 50-99,
100-999 and 1000 or more).
andrea
Artur Biesiadowski wrote:
>
> Andrea Tartaro wrote:
> >
> > Artur,
> >
> > The stripifier algorithm we use tries to improve strip lengths by adding
> > in "zero-area" triangles, where three consecutive vertices in the strip
> > create a triangle that has two vertices that are the same. For the most
> > part, this greatly improves strip lengths over our previous algorithm.
> > However, the stripifier results greatly depend on the data it is given,
> > so the 3DS loader could be giving the stripifier difficult data.
>
> Maybe there would be a chance of adding some control to Stripifier ? In
> this case, it seems that about 30-40% of all triangles are 0 triangles.
> With average strip length of 4 this means that probably means that zero
> triangle is added almost between every triangle in strip (first and last
> do not need it - so we have probably 5 length strips (t-zero-t-zero-t)
> and 3 length strips (t-zero-t)). I think that algorithm has gone awry.
>
> I'll try out some more models and post data here.
>
> Artur
>
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