tests+fixes

python/damask/_geom.py

@@ -262,7 +262,7 @@ class Geom:
             Each unique combintation of values results in a material.
 
         """
-        grid,size,origin = grid_filters.cell_coord0_gridSizeOrigin(coords)
+        grid,size,origin = grid_filters.cell_coord0_gridSizeOrigin(table.get(coordinates))
 
         labels_ = [labels] if isinstance(labels,str) else labels
         unique,unique_inverse = np.unique(np.hstack([table.get(l) for l in labels_]),return_inverse=True,axis=0)

python/tests/test_ConfigMaterial.py

@@ -1,8 +1,10 @@
 import os
 
 import pytest
+import numpy as np
 
 from damask import ConfigMaterial
+from damask import Table
 
 @pytest.fixture
 def reference_dir(reference_dir_base):
@@ -74,3 +76,14 @@ class TestConfigMaterial:
         material_config = ConfigMaterial.load(reference_dir/'material.yaml')
         new = material_config.material_rename_homogenization({'Taylor':'isostrain'})
         assert not new.is_complete
+
+    def test_from_table(self):
+        N = np.random.randint(3,10)
+        a = np.vstack((np.hstack((np.arange(N),np.arange(N)[::-1])),np.ones(N*2),np.zeros(N*2),np.ones(N*2))).T
+        t = Table(a,{'varying':2,'constant':2})
+        c = ConfigMaterial.from_table(t,constituents={'a':'varying','b':'1_constant'},c='2_constant')
+        assert len(c['material']) == N
+        for i,m in enumerate(c['material']):
+            c = m['constituents'][0]
+            assert m['c'] == 1 and c['b'] == 0 and c['a'] == [i,1]
+

python/tests/test_Geom.py

@@ -3,8 +3,10 @@ import numpy as np
 
 from damask import VTK
 from damask import Geom
+from damask import Table
 from damask import Rotation
 from damask import util
+from damask import grid_filters
 
 
 def geom_equal(a,b):
@@ -371,3 +373,14 @@ class TestGeom:
         grid = np.ones(3,dtype=int)*64
         geom = Geom.from_minimal_surface(grid,np.ones(3),surface,threshold)
         assert np.isclose(np.count_nonzero(geom.material==1)/np.prod(geom.grid),.5,rtol=1e-3)
+
+
+    def test_from_table(self):
+        grid = np.random.randint(60,100,3)
+        size = np.ones(3)+np.random.rand(3)
+        coords = grid_filters.cell_coord0(grid,size).reshape(-1,3,order='F')
+        x = np.ones(grid.prod()).reshape(-1,1)
+        y = np.hstack([np.arange(grid[1])]*grid[0]*grid[2]).reshape(-1,1)
+        t = Table(np.hstack((coords,x,y)),{'coords':3,'x':1,'y':1})
+        g = Geom.from_table(t,'coords',['x','y'])
+        assert g.N_materials == g.grid[2]