make horizontally aligned image formatting consistent and display "click on" message only with html output

doc/src/Python_examples.rst

@@ -80,16 +80,23 @@ See the python/README file for instructions on how to run them and the
 source code for individual scripts for comments about what they do.
 
 Here are screenshots of the vizplotgui_tool.py script in action for
-different visualization package options.  Click to see larger images:
+different visualization package options:
 
-.. image:: img/screenshot_gl.jpg
-   :scale: 15%
+.. |pyex1| image:: img/screenshot_gl.jpg
+   :width: 24%
 
-.. image:: img/screenshot_atomeye.jpg
-   :scale: 15%
+.. |pyex2| image:: img/screenshot_atomeye.jpg
+   :width: 24%
 
-.. image:: img/screenshot_pymol.jpg
-   :scale: 15%
+.. |pyex3| image:: img/screenshot_pymol.jpg
+   :width: 24%
+
+.. |pyex4| image:: img/screenshot_vmd.jpg
+   :width: 24%
+
+|pyex1|  |pyex2|  |pyex3|  |pyex4|
+
+.. raw:: html
+
+   Click to see larger versions of the images.
 
-.. image:: img/screenshot_vmd.jpg
-   :scale: 15%

doc/src/balance.rst

@@ -177,16 +177,16 @@ volume (area in 2d) assigned to each processor, as in the following 2d
 diagram where processor sub-domains are shown and particles are
 colored by the processor that owns them.
 
-.. list-table::
+.. |balance1| image:: img/balance_uniform.jpg
+   :width: 32%
 
-   * - .. figure:: img/balance_uniform.jpg
-          :scale: 50%
+.. |balance2| image:: img/balance_nonuniform.jpg
+   :width: 32%
 
-     - .. figure:: img/balance_nonuniform.jpg
-          :scale: 50%
+.. |balance3| image:: img/balance_rcb.jpg
+   :width: 32%
 
-     - .. figure:: img/balance_rcb.jpg
-          :scale: 50%
+|balance1|  |balance2|  |balance3|
 
 The leftmost diagram is the default partitioning of the simulation box
 across processors (one sub-box for each of 16 processors); the middle

doc/src/create_atoms.rst

@@ -257,8 +257,7 @@ individual lattice points being "above" or "below" the mathematical
 expression for the sinusoidal curve.  If a finer lattice were used,
 the sinusoid would appear to be "smoother".  Also note the use of the
 "xlat" and "ylat" :doc:`thermo_style <thermo_style>` keywords which
-converts lattice spacings to distance.  Click on the image for a
-larger version.
+converts lattice spacings to distance.
 
 .. code-block:: LAMMPS
 
@@ -279,6 +278,10 @@ larger version.
    :scale: 50%
    :align: center
 
+.. raw:: html
+
+   Click on the image for a larger version.
+
 The *rotate* keyword allows specification of the orientation
 at which molecules are inserted.  The axis of rotation is
 determined by the rotation vector (Rx,Ry,Rz) that goes through the

doc/src/dump_image.rst

@@ -116,17 +116,17 @@ script to generate the images/movie.
 
 Here are two sample images, rendered as 1024x1024 JPEG files.
 
+.. |dump1| image:: img/dump1.jpg
+   :width: 48%
+.. |dump2| image:: img/dump2.jpg
+   :width: 48%
+
+|dump1|  |dump2|
+
 .. raw:: html
 
    Click to see the full-size images:
 
-.. |dump1| image:: img/dump1.jpg
-   :scale: 48%
-.. |dump2| image:: img/dump2.jpg
-   :scale: 48%
-
-|dump1|  |dump2|
-
 Only atoms in the specified group are rendered in the image.  The
 :doc:`dump_modify region and thresh <dump_modify>` commands can also
 alter what atoms are included in the image.

doc/src/fix_balance.rst

@@ -156,16 +156,16 @@ assigned to each processor, as in the following 2d diagram where
 processor sub-domains are shown and atoms are colored by the processor
 that owns them.
 
-.. list-table::
+.. |balance1| image:: img/balance_uniform.jpg
+   :width: 32%
 
-   * - .. figure:: img/balance_uniform.jpg
-          :scale: 50%
+.. |balance2| image:: img/balance_nonuniform.jpg
+   :width: 32%
 
-     - .. figure:: img/balance_nonuniform.jpg
-          :scale: 50%
+.. |balance3| image:: img/balance_rcb.jpg
+   :width: 32%
 
-     - .. figure:: img/balance_rcb.jpg
-          :scale: 50%
+|balance1|  |balance2|  |balance3|
 
 The leftmost diagram is the default partitioning of the simulation box
 across processors (one sub-box for each of 16 processors); the middle

doc/src/fix_wall_gran_region.rst

@@ -63,17 +63,22 @@ granular particles when they are close enough to touch the wall.  See
 the :doc:`fix wall/region <fix_wall_region>` and :doc:`fix wall/gran <fix_wall_gran>` commands for related kinds of walls for
 non-granular particles and simpler wall geometries, respectively.
 
-Here are snapshots of example models using this command.
-Corresponding input scripts can be found in examples/granregion.
-Click on the images to see a bigger picture.  Movies of these
-simulations are `here on the Movies page <https://lammps.sandia.gov/movies.html#granregion>`_ of the LAMMPS
-web site.
+Here are snapshots of example models using this command.  Corresponding
+input scripts can be found in examples/granregion.  Movies of these
+simulations are `here on the Movies page <https://lammps.sandia.gov/movies.html#granregion>`_
+of the LAMMPS web site.
 
-.. image:: img/gran_funnel.png
-   :scale: 50%
+.. |wallgran1| image:: img/gran_funnel.png
+   :width: 48%
 
-.. image:: img/gran_mixer.png
-   :scale: 50%
+.. |wallgran2| image:: img/gran_mixer.png
+   :width: 48%
+
+|wallgran1|  |wallgran2|
+
+.. raw:: html
+
+   Click on the images to see a bigger picture.
 
 ----------
 

doc/src/neb.rst

@@ -392,15 +392,20 @@ barrier.
 
 To illustrate, here are images from the final snapshot produced by the
 neb_combine.py script run on the dump files produced by the two
-example input scripts in examples/neb.  Click on them to see a larger
-image.
+example input scripts in examples/neb.
 
-.. image:: img/hop1.jpg
-   :scale: 50%
 
-.. image:: img/hop2.jpg
-   :scale: 50%
+.. |neb1| image:: img/hop1.jpg
+   :width: 48%
 
+.. |neb2| image:: img/hop2.jpg
+   :width: 48%
+
+|neb1|  |neb2|
+
+.. raw:: html
+
+   Click on them to see a larger image.
 
 ----------