remove references to xmovie, streamline dump and viz descriptions

doc/src/Section_howto.txt

@@ -759,23 +759,14 @@ LAMMPS itself does not do visualization, but snapshots from LAMMPS
 simulations can be visualized (and analyzed) in a variety of ways.
 
 LAMMPS snapshots are created by the "dump"_dump.html command which can
-create files in several formats.  The native LAMMPS dump format is a
+create files in several formats. The native LAMMPS dump format is a
 text file (see "dump atom" or "dump custom") which can be visualized
-by the "xmovie"_Section_tools.html#xmovie program, included with the
-LAMMPS package.  This produces simple, fast 2d projections of 3d
-systems, and can be useful for rapid debugging of simulation geometry
-and atom trajectories.
-
+by several popular visualization tools. The "dump image"_dump_image.html
+and "dump movie"_dump_image.html styles can output internally rendered
+images and convert a sequence of them to a movie during the MD run.
 Several programs included with LAMMPS as auxiliary tools can convert
-native LAMMPS dump files to other formats.  See the
-"Section 9"_Section_tools.html doc page for details.  The first is
-the "ch2lmp tool"_Section_tools.html#charmm, which contains a
-lammps2pdb Perl script which converts LAMMPS dump files into PDB
-files.  The second is the "lmp2arc tool"_Section_tools.html#arc which
-converts LAMMPS dump files into Accelrys' Insight MD program files.
-The third is the "lmp2cfg tool"_Section_tools.html#cfg which converts
-LAMMPS dump files into CFG files which can be read into the
-"AtomEye"_atomeye visualizer.
+between LAMMPS format files and other formats.
+See the "Section 9"_Section_tools.html doc page for details.
 
 A Python-based toolkit distributed by our group can read native LAMMPS
 dump files, including custom dump files with additional columns of
@@ -788,22 +779,7 @@ RasMol visualization programs.  Pizza.py has tools that do interactive
 3d OpenGL visualization and one that creates SVG images of dump file
 snapshots.
 
-LAMMPS can create XYZ files directly (via "dump xyz") which is a
-simple text-based file format used by many visualization programs
-including "VMD"_vmd.
-
-LAMMPS can create DCD files directly (via "dump dcd") which can be
-read by "VMD"_vmd in conjunction with a CHARMM PSF file.  Using this
-form of output avoids the need to convert LAMMPS snapshots to PDB
-files.  See the "dump"_dump.html command for more information on DCD
-files.
-
-LAMMPS can create XTC files directly (via "dump xtc") which is GROMACS
-file format which can also be read by "VMD"_vmd for visualization.
-See the "dump"_dump.html command for more information on XTC files.
-
 :link(pizza,http://www.sandia.gov/~sjplimp/pizza.html)
-:link(vmd,http://www.ks.uiuc.edu/Research/vmd)
 :link(ensight,http://www.ensight.com)
 :link(atomeye,http://mt.seas.upenn.edu/Archive/Graphics/A)
 

doc/src/Section_intro.txt

@@ -338,15 +338,13 @@ dynamics timestepping, particularly if the computations are not
 parallel, so it is often better to leave such analysis to
 post-processing codes.
 
-A very simple (yet fast) visualizer is provided with the LAMMPS
-package - see the "xmovie"_Section_tools.html#xmovie tool in "this
-section"_Section_tools.html.  It creates xyz projection views of
-atomic coordinates and animates them.  We find it very useful for
-debugging purposes.  For high-quality visualization we recommend the
+For high-quality visualization we recommend the
 following packages:
 
 "VMD"_http://www.ks.uiuc.edu/Research/vmd
 "AtomEye"_http://mt.seas.upenn.edu/Archive/Graphics/A
+"OVITO"_http://www.ovito.org/
+"ParaView"_http://www.paraview.org/
 "PyMol"_http://www.pymol.org
 "Raster3d"_http://www.bmsc.washington.edu/raster3d/raster3d.html
 "RasMol"_http://www.openrasmol.org :ul