tadd comment on how to visualize the force network - sphere - GPU-based 3D discrete element method algorithm with optional fluid coupling
 (HTM) git clone git://src.adamsgaard.dk/sphere
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 (DIR) commit fe496a057a1479651f21c52e574e2e443f92aa13
 (DIR) parent 19ee874f4e41593048ba67442f06de93a3eb7c3a
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Fri,  2 Jun 2017 14:04:53 -0400
       
       add comment on how to visualize the force network
       
       Diffstat:
         M python/sphere.py                    |       6 ++++++
       
       1 file changed, 6 insertions(+), 0 deletions(-)
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 (DIR) diff --git a/python/sphere.py b/python/sphere.py
       t@@ -1904,6 +1904,12 @@ class sim:
        
            def writeVTKforces(self, folder = '../output/', verbose = True):
                '''
       +        Writes a VTK file with particle-interaction information to the
       +        ``../output/`` folder by default. The file name will be in the format
       +        ``<self.sid>.vtp``.  The vtp files can be used to visualize the
       +        particle interactions in ParaView.  First use the "Cell Data to Point
       +        Data" filter, and afterwards show the contact network with the "Tube"
       +        filter.
        
                :param folder: The folder where to place the output file (default
                    (default = '../output/')