09/29/2005  08:18 AM         1,813,012 ch3cl-density.cub
09/17/2006  07:47 AM           600,830 ch3cl-density.cub.gz
06/08/2017  08:39 AM             4,631 ch3cl-density.jvxl
06/08/2017  08:40 AM             2,928 ch3cl-density.jvxl.gz

So that is 390:1 with just the JVXL, or 619:1 compression using JVXL+GZ.

(There is never a need to use GZ for web-based files; they almost certainly
will be automatically gzipped by the server anyway.)

So I can't say I'm super impressed. If it's truly full volume data, that
would be impressive.

Bob


On Thu, Jun 8, 2017 at 7:48 AM, Rzepa, Henry S <h.rz...@imperial.ac.uk>
wrote:

>
> > On 8 Jun 2017, at 13:45, Robert Hanson <hans...@stolaf.edu> wrote:
> >
> > ps -- neither of the VMD images at http://www.ch.imperial.ac.uk/
> rzepa/blog/?p=18365#comment-243964 are volume rendering, by the way. They
> are just surfaces, one with reflection; one just a mesh. Right?
>
> Yes.  The  reduction in cube size of  ~500 is impressive, but then  JVXL
> manages ~100 (and perhaps more if compressed?)
>
> Contact  Brian Skinner for the inside story.  bsk...@alum.mit.edu
>
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