Changeset bbb887d in sasmodels

Timestamp:

Jun 7, 2018 1:35:11 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:

c11d09f

Parents:

2b2d431

Message:

define lower q limit equal to upper q limit with log spacing

File:

• sasmodels/resolution.py (modified) (1 diff)

sasmodels/resolution.py

@@ -189 +189 @@
     weights = cdf[1:] - cdf[:-1]
     # Limit q range to +/- 2.5 sigma
-    weights[q_calc[:, None] < (q - nsigma*q_width)[None, :]] = 0.
-    weights[q_calc[:, None] > (q + nsigma*q_width)[None, :]] = 0.
+    qhigh = q + nsigma*q_width
+    #qlow = q - nsigma*q_width  # linear limits
+    qlow = q*q/qhigh  # log limits
+    weights[q_calc[:, None] < qlow[None, :]] = 0.
+    weights[q_calc[:, None] > qhigh[None, :]] = 0.
     weights /= np.sum(weights, axis=0)[None, :]
     return weights