SasView stacked_disks model component as sample description.
Author: Jose Robledo
Origin: FZJ / DTU / ESS DMSC
Date:
SasView_stacked_disks component, generated from stacked_disks.c in sasmodels.
Example: SasView_stacked_disks_aniso(thick_core, thick_layer, radius, n_stacking, sigma_d, sld_core, sld_layer, sld_solvent, theta, Phi, model_scale=1.0, model_abs=0.0, xwidth=0.01, yheight=0.01, zdepth=0.005, R=0, int target_index=1, target_x=0, target_y=0, target_z=1, focus_xw=0.5, focus_yh=0.5, focus_aw=0, focus_ah=0, focus_r=0, pd_thick_core=0.0, pd_thick_layer=0.0, pd_radius=0.0, pd_theta=0.0, pd_Phi=0.0)
Parameters in boldface are required; the others are optional.
|
Name |
Unit |
Description |
Default |
|
|
|||
|
thick_core |
Å |
([0, inf]) Thickness of the core disk. |
10.0 |
|
thick_layer |
Å |
([0, inf]) Thickness of layer each side of core. |
10.0 |
|
radius |
Å |
([0, inf]) Radius of the stacked disk. |
15.0 |
|
n_stacking |
|
([1, inf]) Number of stacked layer/core/layer disks. |
1.0 |
|
sigma_d |
Å |
([0, inf]) Sigma of nearest neighbor spacing. |
0 |
|
sld_core |
1e-6/Å\(^{2}\) |
([-inf, inf]) Core scattering length density. |
4 |
|
sld_layer |
1e-6/Å\(^{2}\) |
([-inf, inf]) Layer scattering length density. |
0.0 |
|
sld_solvent |
1e-6/Å\(^{2}\) |
([-inf, inf]) Solvent scattering length density. |
5.0 |
|
theta |
|
|
0 |
|
Phi |
|
|
0 |
|
model_scale |
|
Global scale factor for scattering kernel. For systems without inter-particle interference, the form factors can be related to the scattering intensity by the particle volume fraction. |
1.0 |
|
model_abs |
|
Absorption cross section density at 2200 m/s. |
0.0 |
|
xwidth |
m |
([-inf, inf]) Horiz. dimension of sample, as a width. |
0.01 |
|
yheight |
m |
([-inf, inf]) vert . dimension of sample, as a height for cylinder/box |
0.01 |
|
zdepth |
m |
([-inf, inf]) depth of sample |
0.005 |
|
R |
m |
Outer radius of sample in (x,z) plane for cylinder/sphere. |
0 |
|
target_x |
m |
relative focus target position. |
0 |
|
target_y |
m |
relative focus target position. |
0 |
|
target_z |
m |
relative focus target position. |
1 |
|
target_index |
|
Relative index of component to focus at, e.g. next is +1. |
1 |
|
focus_xw |
m |
horiz. dimension of a rectangular area. |
0.5 |
|
focus_yh |
m |
, vert. dimension of a rectangular area. |
0.5 |
|
focus_aw |
deg |
, horiz. angular dimension of a rectangular area. |
0 |
|
focus_ah |
deg |
, vert. angular dimension of a rectangular area. |
0 |
|
focus_r |
m |
case of circular focusing, focusing radius. |
0 |
|
pd_thick_core |
|
(0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable. |
0.0 |
|
pd_thick_layer |
|
(0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable. |
0.0 |
|
pd_radius |
|
(0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable. |
0.0 |
|
pd_theta |
|
(0,360) defined as (dx/x), where x is de mean value and dx the standard devition of the variable. |
0.0 |
|
pd_Phi |
|
(0,360) defined as (dx/x), where x is de mean value and dx the standard devition of the variable |
0.0 |
|
|
|||
|
|
|||
|
|
|||
Component source code found in file SasView_stacked_disks_aniso.comp.