/*!

\page blocks_operations_page Blocks Operations

The solids built by blocks \ref  build_by_blocks_page can be
processed with blocks transformation operations: 

<ul>
<li>\subpage multi_transformation_operation_page "Multi-transformation" - produces several translations of a block in one or two directions.</li>
<li>\subpage explode_on_blocks_operation_page "Explode on blocks" -
returns blocks of the given compound.</li> 
<li>\subpage propagate_operation_page "Propagate" - builds all
possible propagation groups from the given shape.</li>
</ul>

*/