tadd note on visualizing contact pressure - Granular.jl - Julia package for granular dynamics simulation
 (HTM) git clone git://src.adamsgaard.dk/Granular.jl
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 (DIR) commit e4049c1e69cd49dc9c287e770375aa917dda9ed5
 (DIR) parent 2db5af1c1dc1fe40502e5e601d52da34ce1dd86f
 (HTM) Author: Anders Damsgaard <andersd@riseup.net>
       Date:   Wed,  8 Nov 2017 12:00:54 -0500
       
       add note on visualizing contact pressure
       
       Diffstat:
         M docs/src/man/getting_started.md     |       4 +++-
       
       1 file changed, 3 insertions(+), 1 deletion(-)
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 (DIR) diff --git a/docs/src/man/getting_started.md b/docs/src/man/getting_started.md
       t@@ -396,7 +396,9 @@ julia> Granular.render(sim, trim=false)
        ```
        
        ### Exercises
       -- How are the granular contact pressures distributed in the final result?
       +- How are the granular contact pressures distributed in the final result?  You 
       +    can visualize this by selecting "Contact Pressure [Pa]" in the *Coloring* 
       +    field inside ParaView.
        - Try running the above example, but without fluid drag.  Disable the drag by 
            including the call `Granlar.disableOceanDrag!(grain)` in the `for` loop 
            where gravitational acceleration is set for each grain.