Changeset 95498a3 in sasmodels

Timestamp:

Jan 26, 2018 7:05:04 PM (6 years ago)

Author:

Paul Kienzle <pkienzle@…>

Branches:

master, core_shell_microgels, magnetic_model, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests

Children:

ecf895e

Parents:

49284e1

Message:

allow composite models whose parts are oriented

File:

• sasmodels/modelinfo.py (modified) (4 diffs)

sasmodels/modelinfo.py

@@ -69 +69 @@
         processed.append(parse_parameter(*p))
     partable = ParameterTable(processed)
+    partable.check_angles()
     return partable
 
@@ -421 +422 @@
         # type: (List[Parameter]) -> None
         self.kernel_parameters = parameters
-        self._check_angles()
         self._set_vector_lengths()
 
@@ -471 +471 @@
         self.pd_2d = set(p.name for p in self.call_parameters if p.polydisperse)
 
-    def _check_angles(self):
+    def check_angles(self):
+        """
+        Check that orientation angles are theta, phi and possibly psi.
+        """
         theta = phi = psi = -1
         for k, p in enumerate(self.kernel_parameters):
@@ -494 +497 @@
             if psi >= 0 and psi != phi+1:
                 raise TypeError("psi must follow phi")
-            #if (psi >= 0 and psi != last_par) or (psi < 0 and phi != last_par):
-            #    raise TypeError("orientation parameters must appear at the "
-            #                    "end of the parameter table")
+            if (psi >= 0 and psi != last_par) or (psi < 0 and phi != last_par):
+                raise TypeError("orientation parameters must appear at the "
+                                "end of the parameter table")
         elif theta >= 0 or phi >= 0 or psi >= 0:
             raise TypeError("oriented shapes must have both theta and phi and maybe psi")