The `SasView_peak_lorentz` Component

SasView peak_lorentz model component as sample description.

Identification

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

Description

SasView_peak_lorentz component, generated from peak_lorentz.c in sasmodels.

Example:
SasView_peak_lorentz(peak_pos, peak_hwhm,
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,
)

Input parameters

Parameters in boldface are required; the others are optional.

Name	Unit	Description	Default
peak_pos	1/Ang	([-inf, inf]) Peak postion in q.	0.05
peak_hwhm	1/Ang	([-inf, inf]) HWHM of peak.	0.005
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

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

McXtrace - An X-ray ray-trace simulation package

The SasView_peak_lorentz Component

Identification

Description

Input parameters

Links

The `SasView_peak_lorentz` Component