Small domain bug

[harshsharma21]

neper -T -n 100 -domain "cube(0.00000001,0.00000001,0.00000001)" -morpho "diameq:lognormal(0.5,0.05),1-sphericity:lognormal(0.145,0.03)" -o 100grains -format 'vtk' -statcell vol,diameq,sphericity

======================== N e p e r =======================
Info : A software package for polycrystal generation and meshing.
Info : Version 4.4.2-5
Info : Built with: gsl|muparser|opengjk|openmp|nlopt|libscotch (full)
Info : Running on 8 threads.
Info : https://neper.info/
Info : Copyright (C) 2003-2022, and GNU GPL'd, by Romain Quey.
Info : No initialization file found (`/home/m200545me/.neperrc').
Info : ---------------------------------------------------------------
Info : MODULE -T loaded with arguments:
Info : [ini file] (none)
Info : [com line] -n 100 -domain cube(0.00000001,0.00000001,0.00000001)
-morpho
diameq:lognormal(0.5,0.05),1-sphericity:lognormal(0.145,0.03) -o
100grains -format vtk -statcell vol,diameq,sphericity
Info : ---------------------------------------------------------------
Info : Reading input data...
Info : Creating domain...
Info : Creating tessellation...
Info : - Setting seeds... 100%
Info : - Generating crystal orientations...
Info : - Running tessellation...
Info : > Initial solution: f =2.815470205
Info : > Iteration 6758: fmin=0.001703365 f=0.001703365Error : You have discovered a bug in Neper! Please file an issue at
https://github.com/rquey/neper/issues. Thank you.

Aborted (core dumped)

[rquey]

This is a bug... but it comes from your use of a very small domain (10^-8). A workaround is to generate the tessellation in the unit domain and then scale it down using -transform "scale(1e-8,1e-8,1e-8)".

Also, -statcell sphericity is not available for tesrs.

[harshsharma21]

Thank you