Dear all,

I like to announce some significant changes to the volume user interface and 
API, as of SVN revision 4072. This is considered a beta feature and we welcome 
any kind of feedback.

Changes include:
 * new commands: volume_color, volume_ramp_new
 * volume presets
 * custom volume ramps/presets
 * resizable volume panel
 * real-time volume update while dragging color dots in the panel
 * any click operation in the panel operates on three color dots if
   holding CTRL (adding, deleting, dragging, changing color), this
   is useful for isosurface-like peaks.

Volume rendering requires OpenGL Shaders, and the more powerful your hardware, 
the better your volume experience will be.

The changes affect PyMOL session files, volumes which are saved with this new 
version will not load in older versions of PyMOL.

This also breaks scripts which use the old non-official API to create volumes. 
However, these should be easy to migrate.

Cheers,
  Thomas

-- 
Thomas Holder
PyMOL Developer
Schrödinger, Inc.


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