tAdded dx exception - sphere - GPU-based 3D discrete element method algorithm with optional fluid coupling
  HTML git clone git://src.adamsgaard.dk/sphere
   DIR Log
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       ---
   DIR commit 7e019763c23bf063f7ae4916bc03d404a648a135
   DIR parent 47aa1cb121030dda5698b6c732d38e8cd8f718a9
  HTML Author: Anders Damsgaard <anders.damsgaard@geo.au.dk>
       Date:   Thu,  3 Apr 2014 14:26:39 +0200
       
       Added dx exception
       
       Diffstat:
         M python/sphere.py                    |       4 ++++
       
       1 file changed, 4 insertions(+), 0 deletions(-)
       ---
   DIR diff --git a/python/sphere.py b/python/sphere.py
       t@@ -1710,6 +1710,10 @@ class sim:
                if (dx > 0.0):
                    cellsize_min = dx
                else:
       +            if (self.np[0] < 1):
       +                raise Exception('Error: You need to define dx in '
       +                        'defineWorldBoundaries if there are no particles in '
       +                        'the simulation.')
                    cellsize_min = 2.1 * numpy.amax(self.radius)
        
                # Lower boundary of the sorting grid