randomize pattern example

Author: tomvanmele

scripts/dem_thrust.py

@@ -1,7 +1,9 @@
 import pathlib
+import random
 
 import compas
 from compas.datastructures import Mesh
+from compas_libigl.mapping import TESSAGON_TYPES
 
 from compas_dem.models import BlockModel
 from compas_dem.viewer import DEMViewer
@@ -18,9 +20,11 @@
 # Model and interactions
 # =============================================================================
 
-model = BlockModel.from_meshpattern(mesh, "ZigZag", tmin=0.05, tmax=0.3)
+patternname = random.choice(list(TESSAGON_TYPES.keys()))
 
-# model.compute_contacts(tolerance=0.001)
+model = BlockModel.from_meshpattern(mesh, patternname, tmin=0.05, tmax=0.3)
+
+model.compute_contacts(tolerance=0.001)
 
 # =============================================================================
 # Viz