Multiphase tessellation

[LeiYulut]

Hi,
I'm tessellating a multiphase material of 4 phases with similar grain size and uniform distribution. Could I use the option "-group" to distinguish them? The microstructure morphology is shown below:

I have tried to use volume to control their distribution, but could not realize my goal well. Is there any other method to realize this?

Thanks a lot

[rquey]

Since, by default, the cells are randomly distributed (spatially and also size-wise), you can simply group them by ids. Assuming all phases represent the same volume fraction:

neper -T -n 1000 -dim 2 -group "(id<=250)?1:((id<=500)?2:((id<=750)?3:4))"
neper -V n1000-id1.tess -datacellcol group -print img

(You can use the -morpho option as you'd like.)

Otherwise, sum several diameq (identical, in your case) distributions and create groups based on the "modes":

neper -T -n 1000 -dim 2 -morpho "diameq:lognormal(1,0.42)+lognormal(1,0.42)+lognormal(1,0.42)+lognormal(1,0.42),1-circularity:lognormal(0.1,0.03)" -group mode
neper -V n1000-id1.tess -datacellcol group -print img

[LeiYulut]

Dear Rquey,
Thank you for your reply. I will try it.
Thanks a lot