About McStas Download Documentation 
[ Identification  Description  Input parameters  Links ] The
SasView parallelepiped model component as sample description.

Name  Unit  Description  Default  
sld  1e6/Ang^2  ([inf, inf]) Parallelepiped scattering length density.  4  
sld_solvent  1e6/Ang^2  ([inf, inf]) Solvent scattering length density.  1  
length_a  Ang  ([0, inf]) Shorter side of the parallelepiped.  35  
length_b  Ang  ([0, inf]) Second side of the parallelepiped.  75  
length_c  Ang  ([0, inf]) Larger side of the parallelepiped.  400  
theta  60  
phi  60  
Psi  60  
model_scale  Global scale factor for scattering kernel. For systems without interparticle 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_length_a  (0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable.  0.0  
pd_length_b  (0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable.  0.0  
pd_length_c  (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  
pd_Psi  (0,360) defined as (dx/x), where x is de mean value and dx the standard devition of the variable  0.0 
AT (  ,  ,  ) RELATIVE  

ROTATED (  ,  ,  ) RELATIVE 
SasView_parallelepiped_aniso.comp
.
[ Identification  Description  Input parameters  Links ]
Generated on 20230919 20:01:36