transparency in models

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From: mark tollefson (mvtwork++at++yahoo.com)
Date: 02/27/2002 15:47:17


                               27 Feb 2002
I have spent all day making transparent
models using the ASCII model file formats that
performer can read.

Several formats allow alpha values to be specified,
but when the model is loaded into perfly, they are
displayed as opaque.

I verified that perfly does display transparency
correctly by displaying the esprit.flt model (which
has transparent windows).

Does anyone know of a format which supports
transparency? I have to write a program to build
the models I need, so either an ASCII or binary
file format would work, as long as the details
of the format are available. (I know .flt works,
but the details are all proprietary.)

Thanks,
   Mark

test runs were made using:
- Performer 2.4.2 under Red Hat Linux ver 7.1
  on a Dell Precision 530
  and
- Performer 2.4.1 under IRIX 6.5.12 on an Indigo2

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