Ability to generate PDF documentation.

docs/source/methods/cross_sections.rst

@@ -80,7 +80,7 @@ dashed box would need to be stored on a per-nuclide basis, and the union grid
 would need to be stored once. This method is also referred to as *double
 indexing* and is available as an option in Serpent (see paper by Leppanen_).
 
-.. figure:: ../../img/uniongrid.svg
+.. figure:: ../_images/uniongrid.*
     :width: 600px
     :align: center
     :figclass: align-center

docs/source/methods/geometry.rst

@@ -45,7 +45,7 @@ surface by a combination of the unique ID of the surface and a positive/negative
 sign. The following illustration shows an example of an ellipse with unique ID 1
 dividing space into two half-spaces.
 
-.. figure:: ../../img/halfspace.svg
+.. figure:: ../_images/halfspace.*
    :align: center
    :figclass: align-center
 
@@ -60,7 +60,7 @@ half-space references whose intersection defines the region. The region is then
 assigned a material defined elsewhere. The following illustration shows an
 example of a cell defined as the intersection of an ellipse and two planes.
    
-.. figure:: ../../img/union.svg
+.. figure:: ../_images/union.*
    :align: center
    :figclass: align-center
 

docs/source/methods/parallelization.rst

@@ -65,7 +65,7 @@ in the case of an eigenvalue calculation). This idea is illustrated in
 
 .. _figure-master-slave:
 
-.. figure:: ../../img/master-slave.png
+.. figure:: ../_images/master-slave.png
     :align: center
     :figclass: align-center
 
@@ -122,7 +122,7 @@ needed. This concept is illustrated in :ref:`Figure 2
 
 .. _figure-nearest-neighbor:
 
-.. figure:: ../../img/nearest-neighbor.png
+.. figure:: ../_images/nearest-neighbor.png
     :align: center
     :figclass: align-center
 
@@ -203,7 +203,7 @@ communicated between adjacent nodes.
 
 .. _figure-neighbor-example:
 
-.. figure:: ../../img/nearest-neighbor-example.png
+.. figure:: ../_images/nearest-neighbor-example.png
     :align: center
     :figclass: align-center