[CIG-SHORT] Fault-slip vector plot

[luigi vadacca]

Dear all,

I have two questions about the plot of the fault slip vector and principal 
stress axes in paraview.

In figure 7.33 of the example "step11" of the pylith manual is written:

"Note that PyLith outputs slip in the fault coordinate system, so we transform 
them to the global coordinate
system using the Calculator in ParaView. A more general approach involves 
outputing the fault coordinate
system information and using these fields in the Calculator"

1 - How can I do this?

2 - Is possible to plot the three principal stress axes directly in paraview?
Thanks in advance

Regards,

Luigi
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