[ Identification | Description | Input parameters | Links ]

`SasView_fcc_paracrystal_aniso`

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

SasView_fcc_paracrystal component, generated from fcc_paracrystal.c in sasmodels. Example: SasView_fcc_paracrystal_aniso(dnn, d_factor, radius, sld, sld_solvent, theta, phi, Psi, 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_theta=0.0, pd_phi=0.0, pd_Psi=0.0)

Name | Unit | Description | Default | |

dnn | Ang | ([-inf, inf]) Nearest neighbour distance. | 220 | |

d_factor | ([-inf, inf]) Paracrystal distortion factor. | 0.06 | ||

radius | Ang | ([0, inf]) Particle radius. | 40 | |

sld | 1e-6/Ang^2 | ([-inf, inf]) Particle scattering length density. | 4 | |

sld_solvent | 1e-6/Ang^2 | ([-inf, inf]) Solvent scattering length density. | 1 | |

theta | 60 | |||

phi | 60 | |||

Psi | 60 | |||

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_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 | |||
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ROTATED ( | , | , | ) RELATIVE |

- Source code for
`SasView_fcc_paracrystal_aniso.comp`

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[ Identification | Description | Input parameters | Links ]

Generated on 2023-09-19 20:01:36