The `SasView_stacked_disks` Component

SasView stacked_disks model component as sample description.

Identification

Site:
Author: Jose Robledo
Origin: FZJ / DTU / ESS DMSC
Date:

Description

SasView_stacked_disks component, generated from stacked_disks.c in sasmodels.

Example:
SasView_stacked_disks(thick_core, thick_layer, radius, n_stacking, sigma_d, sld_core, sld_layer, sld_solvent,
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)

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
thick_core	Ang	([0, inf]) Thickness of the core disk.	10.0
thick_layer	Ang	([0, inf]) Thickness of layer each side of core.	10.0
radius	Ang	([0, inf]) Radius of the stacked disk.	15.0
n_stacking		([1, inf]) Number of stacked layer/core/layer disks.	1.0
sigma_d	Ang	([0, inf]) Sigma of nearest neighbor spacing.	0
sld_core	1e-6/Ang^2	([-inf, inf]) Core scattering length density.	4
sld_layer	1e-6/Ang^2	([-inf, inf]) Layer scattering length density.	0.0
sld_solvent	1e-6/Ang^2	([-inf, inf]) Solvent scattering length density.	5.0
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

AT (	,	,		) RELATIVE
ROTATED (	,	,		) RELATIVE

The SasView_stacked_disks Component

Identification

Description

Input parameters

Links

The `SasView_stacked_disks` Component