v. 2.19
Fri Nov  2 17:52:13 PDT 2007
  - add probe_radius parameter for generated surfaces

v. 2.18
Mon Mar 13 10:52:22 PST 2006
  - update html docs
  - fix header reading errors
  - add support for GRASP discretecolour files (coldef parameter to
  readsurf command)
  - fix auto drawing bug with multiple models present
  - correct "grey 0.5" versus "grey" usage

v. 2.17
Sat Oct 29 16:22:42 PDT 2005
  - fix for windows crash when reading some input files
  - fix/cleanup for molauto so output and "auto" output appear similar
  - fix for contouring entire maps (Xiaohui Lu)

v. 2.16
Sun Sep 11 19:44:37 PDT 2005
  - update .spec file
  - remove slab from header command, make it a regular "set" command
  - new settings: frontslab/backslab
  - new setting: interiorcolour - for POVRay only, sets the interiorcolour
  of surfaces using the mesh2 syntax (only valid with single exterior
  colour as well)
  - fix postscript output with slab settings

v. 2.15
Mon Jul 25 12:05:25 PDT 2005
  - new setting: (nucleotide/peptide)_distance - distance allowed between
  C-alphas to be considered part of a chain (useful for chains with
  irregular geometry)
  - fix bug in mapping scalars to surfaces (Christian Schleberger)
  - fix bug in double_hash.c (Christian Schleberger)
  - fix selection bug in "from to" routine (Christian Schleberger)
  - error message on void molecule selection
  - change opengl code to use double sided lighting (more realistic)

v. 2.14
Sat May  7 20:06:00 PDT 2005
  - fix bug in reading DSN6 electron density files

v. 2.13
Thu Apr  7 02:55:25 PDT 2005
  - add peptide_distance/nucleotide_distance settings (used in determining
  distance cutoff for chains) (Douglas Theobald)
  - add console flag for mingw compilation (fixes output bug) (Gergely
  Katona)
  - add support for loading GTS surfaces via readsurf

v. 2.12
Wed Mar  9 19:22:37 PST 2005
  - fix a bug in configure script for OpenGL libraries (David Cooper)
  - fix a bug in raster3d surface output (David Cooper)
  - fix a bug in blobview output to povray (David Cooper)
  - fix a bug in the "auto" command (David Cooper)
  - add support for saving surfaces using "output" in the surface
  rendering call

v. 2.11
Thu Jan 27 19:38:05 PST 2005
  - simplify core scalar field code/allow any scalar field to output to
  df3
  - fix a bug in applying scalars to surfaces (Christian Schleberger)
  - other minor fixes

v 2.10
Tue Nov 30 17:09:14 PST 2004
  - fix crash on reading surfaces without colors selected
  - fix a bug in the "auto" function
  - add some error checks/aborts in e- density open calls
  - add support for OpenDX scalar field format (APBS files)
  - add "using scalars <mapname>" for mapping scalars onto a surface

v 2.04
  - fix POVRay output bug with transparency != 0.0 (Dirk Reinert)

v 2.03
  - new command: auto <residue selection>; (like a built-in molauto)
  - add pkgconfig support for gts 0.7.3
  - add material output to povray output (for inclusion of interior
  modifiers)
  - fix some povray output bugs
  - fix nucleo/protrings output (Douglas Theobold)
  - molauto now has a ecutoff flag for ss_hb settings (Douglas Theobold)
  - add ss_hb, coil_mode and energycutoff (Douglas Theobold)
  - fix some windows build problems under MinGW
  - fix some OS X build problems
  - speed up rendering of non-amino-acid types
	
v 2.02
Mon Jul 12 23:28:42 PDT 2004
  - raster3d label output now output as object type 10/11/12 (use label3d
  to render the output!)
  - fix label output for most modes (raster3d, GL/eps/gif/png/jpeg) so it
  works with freeglut and newer GLUT implementations
  - fix PDB HEADER record length restriction (Evan Sadler)
  - slight code cleanup
  - fix configure.ac to better accomodate Mac OS X (Evan Sadler, Steven
  Hunter)
  - add mapradius_property flag (Weikai Li)
  - allow surfaces to be drawn if no atoms present

v 2.01
Fri May 28 03:29:00 PDT 2004
  - more GTS patches: fix colour problems with GRASP surfaces
  - fix bonds/ball-and-stick output segfault

v 2.00
Sat May 22 00:58:14 PDT 2004
  - many minor patches/fixes to GTS related code
  - GTS 0.7.2 applied (gts_isosurface_tetra_bcl)

v. 1.99
Wed Apr 21 00:35:58 PDT 2004
  - incorporate GTS (gts.sf.net) 0.7.1
  - incorporate autoconf
  - add gensurf command
  - add delaunay command
  - rehash surface handling code

v. 1.72
Mon Mar  1 10:16:48 PST 2004
  - fix OpenGL cylinders (Weikai Li)
  - fix object output code (David Cooper)	

v. 1.71
Sat Nov 22 23:43:22 PST 2003
  - fix "notcovering" grasp option (Ed Pozharski)

v. 1.70
Thu Sep 18 04:44:23 EDT 2003
  - fix povray output with maptype 1 and mergemap
  - replace grasphigh/low with grasprange
  - fix GRASP coloring scheme (Chris Min)
 
v. 1.69
Sun Jul 20 19:43:12 EDT 2003
  - added support for "discretecolours" for grasp files (Bill Barton)

v. 1.68
Tue Jul  8 19:20:50 EDT 2003
  - fixed major MSMS surface bug (greatly improves rendering)

v. 1.67
Mon Jul  7 11:30:31 EDT 2003
  - orthographic camera setting default in POVRay output
  - change "mergedf3" to "mergemap"
  - GRASP changes: allow ranges outside min/max GRASP map values,
    apply mergemap (so multiple GRASP renderings of different types
    possible over the same area), add "notcovering" option (Ed
    Pozharski)
  - fix problem with ball-and-sticks intersecting in povray output if
    transparency > 0.0 (Ed Pozharski)

v. 1.66
Tue May 20 11:37:56 EDT 2003
  - include POVScript+ reference
  - mesh2 output cleanup
  - add molauto "-colsec" option (colour by secondary structure type,
    under control of a molscript macro)
  - SGI cc fixes (Doug Bailey)

v. 1.65
Sun Mar  9 21:52:26 EST 2003
  - mesh2 (POVRay specific) output mode for GRASP and MSMS surfaces
  - include html in releases (but no images, to save space) (Kevin Battaile)
  - SGI cc fixes (Doug Bailey)
  - minor fixes to colouring routines

v. 1.62
Tue Jan 28 20:42:44 EST 2003
  - Mac OSX fixes (J. Evan Sadler)
  - hsbreverseramp == hsbrampreverse (David Cooper)
  - add "mapclip" boolean (ignores normals < 0, so only "back" of a
    surface is displayed)

v. 1.61
Mon Oct 21 19:10:40 EDT 2002
  - speed/fix up vertex clustering a ton (big thanks to David Cooper
    for pointing this out)
  - revamp/fix sorting routine (quicksort -> mergesort)

v. 1.60
Sun Oct 13 14:22:31 EDT 2002
  - add a vertex clustering (aka blending) routine
    (modified using the "mapthresh" variable)

v. 1.53
Thu Sep 26 23:10:06 EDT 2002
  - further DSN6 updates for big endian machines

v. 1.52
Thu Sep 26 01:27:16 EDT 2002
  - fix that annoying "the map doesn't look like its supposed to" DSN6 bug

v. 1.51
Fri Aug  2 10:54:06 EDT 2002
  - fix a map extent bug (thanks to Kevin Battaile for pointing this
    out)
  - update file handling calls

v. 1.5
Mon Jul 29 00:19:00 EDT 2002
  - fix a DF3 file import glitch in OpenGL mode
  - marching tetrahedra now uses a body-centered cubic lattice
    (Comput. and Graphics, Vol. 22(1) pp. 83-90, 1998.)

v. 1.41
Thu Jul 11 14:51:56 EDT 2002
  - add "axesrad" variable to change principal axes radius
  - fixes for Tru64's cc compiler (thanks to Stefan Backstrom for
    pointing this out)
  - add "deletesurf" command
  - minor updates to coincide w/POVRay 3.5 (primarily camera settings
    to keep RHS)

v. 1.40
Mon Jun 10 23:16:00 EDT 2002
  - added MSMS feature: MSMS maps can be drawn using potentials or
    hydrophobicity (based on nearest amino acid from a surface vertex,
    generated from MSMS' pdb_to_xyzrn output)
  - added "blobview" - CPK spheres are merged in povray so surface is
    continuous

v. 1.35
Sun Jun  2 01:09:43 EDT 2002
  - fixed scalar field linear interpolation (so redundant or useless
    triangles should hopefully be weeded out)
  - non-positive definite ellipsoids NOT drawn (also generates a
    warning dumped to stderr)
  - atom U matrix preserved between calls (so even if an atom is drawn
    multiple times, it will appear correctly every time)
  - include MacOSX Makefiles
  - minor fixes (fix argument passing to avoid compiler warnings)

v. 1.34
Tue May 21 16:51:02 EDT 2002
  - change mapramp settings for GRASP output
  - include a "through" statement in mapramp

v. 1.33
Tue May 21 01:40:57 EDT 2002
  - rehash readgrasp/drawgrasp -> readsurf/drawsurf
  - primitive MSMS support
  - allow GRASP surfaces to be colour scaled locally (set
    grasplow/grasphigh)

v. 1.32
Thu May 16 03:01:12 EDT 2002
  - update Makefiles for windows MinGW environment
  - minor bugfixes to allow windows compilation
  - another GRASP fix (matrix improperly initalized)

v. 1.31
Tue May 14 17:41:11 EDT 2002
  - fix "assertion `colour_valid_state (src)' failed." bug when
    maptype=0
  - update rpm specfile to choose either redhat 7.3 (XFree86 glut) or
    earlier versions (Mesa) - requires hand editing of the specfile

v. 1.3
Wed May  8 10:49:47 EDT 2002

  - fix segfault when sometimes drawing "maptype 1" surfaces
  - fix outdated GIF output
  - fix when reading a pdb *after* a rotation tranformation and then
    drawing anisotropically
  - fix when reading a GRASP map *after* a rotation tranformation and
    then drawing
  - kludge for when multiple DF3 file outputs over like areas results
    in CSG intersection operations (i.e. only one of the two files
    visible)

v. 1.21
Tue Apr 16 15:28:24 EDT 2002 

  - fixed an "I'm an idiot" problem in GRASP output 
  - fixed povray mesh output so triangle textures are now applied
    (resulting in *greatly* improved surface textures)
  - included an "unpatch_source.sh" for easy deinstall/reinstall
    across patchsets

v. 1.2
Wed Mar 20 22:47:01 EST 2002

  - support for GRASP maps
  - filled rings support (a la rings3d from raster3d)
  - split BSET command to BSURF and BAXES commands
  - rehashed linedmap/df3dump to MAPTYPE command
  - map contouring extent bugfix (thanks to G J Swaminathan)
  - improved OpenGL aniso B support/updated memory functions
  - minor povray patches (degenerate triangle fix)
  - pseudo VRML and postscript aniso B support (i.e. principal axes
    output only)

v. 1.1

  - DF3 output support
  - new BSET option
  - various minor patches...

v. 1.0
Wed Feb 20 21:11:13 EST 2002

  - fixed marching tetrahedra algorithm (surface normals incorrect)
    (thanks to Warren DeLano for pointing this out)
  - OpenGL mode now shows surface rendering (if linedmap off)
  - command switch to turn off vertex normals
  - various minor patches...

v. 0.9
initial release