[ Identification | Description | Input parameters | Links ]
SasView_fractal ComponentSasView_fractal component, generated from fractal.c in sasmodels. Example: SasView_fractal(volfraction, radius, fractal_dim, cor_length, sld_block, 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_radius=0.0, pd_cor_length=0.0)
| Name | Unit | Description | Default | |
| volfraction | ([0.0, 1]) volume fraction of blocks. | 0.05 | ||
| radius | Ang | ([0.0, inf]) radius of particles. | 5.0 | |
| fractal_dim | ([0.0, 6.0]) fractal dimension. | 2.0 | ||
| cor_length | Ang | ([0.0, inf]) cluster correlation length. | 100.0 | |
| sld_block | 1e-6/Ang^2 | ([-inf, inf]) scattering length density of particles. | 2.0 | |
| sld_solvent | 1e-6/Ang^2 | ([-inf, inf]) scattering length density of solvent. | 6.4 | |
| 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_radius | (0,inf) defined as (dx/x), where x is de mean value and dx the standard devition of the variable. | 0.0 | ||
| pd_cor_length | (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 |
SasView_fractal.comp.
[ Identification | Description | Input parameters | Links ]
Generated on 2023-09-19 20:01:36