fixed buggy version

processing/pre/geom_canvas.py

@@ -48,30 +48,29 @@ for name in filenames:
   damask.util.report(scriptName,name)
 
   geom = damask.Geom.from_file(StringIO(''.join(sys.stdin.read())) if name is None else name)
-
-  grid = geom.get_grid()
+  origin = geom.get_origin()
+  size   = geom.get_size()
+  grid   = canvasgrid = geom.get_grid()
   offset = np.asarray(options.offset)
+
   if options.grid is not None:
-    grid = np.array([int(o*float(n.lower().replace('x',''))) if n.lower().endswith('x') \
-                     else int(n) for o,n in zip(grid,options.grid)],dtype=int)
-  grid = np.maximum(grid,1)
+    canvasgrid = np.maximum(1,
+                            np.array([int(o*float(n.lower().replace('x',''))) if n.lower().endswith('x') \
+                                 else int(n) for o,n in zip(grid,options.grid)],dtype=int))
 
-  new = np.full(grid,options.fill if options.fill is not None
-                else np.nanmax(geom.microstructure)+1,geom.microstructure.dtype)
-
-  n = np.asarray(new.shape)
-  o = np.asarray(geom.microstructure.shape)
-
-  l = np.clip( offset,  0,np.minimum(o  +offset,n))
-  r = np.clip( offset+o,0,np.minimum(o*2+offset,n))
-
-  L = np.clip(-offset,  0,np.minimum(n  -offset,o))
-  R = np.clip(-offset+n,0,np.minimum(n*2-offset,o))
-
-  new[l[0]:r[0],l[1]:r[1],l[2]:r[2]] = geom.microstructure[L[0]:R[0],L[1]:R[1],L[2]:R[2]]
+  canvas = np.full(canvasgrid,options.fill if options.fill is not None
+                         else np.nanmax(geom.microstructure)+1,geom.microstructure.dtype)
 
 
-  damask.util.croak(geom.update(new,origin=(0,0,0),rescale=True))
+  l = np.maximum(   0,           offset)
+  r = np.minimum(grid,canvasgrid+offset)
+  L = l - offset
+  R = r - offset
+  
+  canvas                [L[0]:R[0],L[1]:R[1],L[2]:R[2]] \
+   = geom.microstructure[l[0]:r[0],l[1]:r[1],l[2]:r[2]]
+
+  damask.util.croak(geom.update(canvas,origin=origin+offset*size/grid,rescale=True))
   geom.add_comments(scriptID + ' ' + ' '.join(sys.argv[1:]))
 
   if name is None: