source: sasmodels/example/sesans_parameters_css-hs.py @ 07142f3

core_shell_microgelscostrafo411magnetic_modelrelease_v0.94release_v0.95ticket-1257-vesicle-productticket_1156ticket_1265_superballticket_822_more_unit_tests
Last change on this file since 07142f3 was a98958b, checked in by krzywon, 9 years ago

Good progress on SESANS scripting.

  • Property mode set to 100644
File size: 943 bytes
Line 
1"""
2This is a data file  used to load in sesans data and fit it using the bumps engine
3"""
4from bumps.names import *
5
6import sesansfit
7
8# Enter the model name to use
9model_name = "core_shell_sphere*hardsphere"
10
11# Enter any custom parameters
12phi = Parameter(0.45, name='phi')
13pen = Parameter(0.95, name='solvent penetration')
14custom_params = {"phi" : phi, "pen" : pen}
15
16# SESANS data file
17sesans_file = "core_shell.ses"
18
19# Initial parameter values (if other than defaults)
20initial_vals = {
21    "scale" : 0.09,
22    "core_sld" : 1.0592,
23    "solvent_sld" : 2.88,
24    "shell_sld" : 2.88,
25    "radius" : 890,
26    "thickness" : 130,
27    "volfraction" : 0.45
28}
29
30# Ranges for parameters if other than default
31param_range = {
32    "phi" : [0.2, 0.5],
33    "pen" : [0,1],
34    "radius" : [500, 3000],
35    "thickness" : [0,200]
36}
37
38# Send to the fitting engine
39problem = sesansfit.sesans_fit(sesans_file, model_name, initial_vals, custom_params, param_range)
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