Changes in / [1b693ba:933af72] in sasmodels


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  • sasmodels/models/core_shell_parallelepiped.py

    r92dfe0c rcb0dc22  
    44 
    55Calculates the form factor for a rectangular solid with a core-shell structure. 
    6 **The thickness and the scattering length density of the shell or "rim" 
    7 can be different on all three (pairs) of faces.** 
     6The thickness and the scattering length density of the shell or  
     7"rim" can be different on each (pair) of faces. However at this time 
     8the model does **NOT** actually calculate a c face rim despite the presence of 
     9the parameter. 
     10 
     11.. note:: 
     12   This model was originally ported from NIST IGOR macros. However,t is not 
     13   yet fully understood by the SasView developers and is currently review. 
    814 
    915The form factor is normalized by the particle volume $V$ such that 
     
    3541    V = ABC + 2t_ABC + 2t_BAC + 2t_CAB 
    3642 
    37 **meaning that there are "gaps" at the corners of the solid.** 
     43**meaning that there are "gaps" at the corners of the solid.**  Again note that 
     44$t_C = 0$ currently.  
    3845 
    3946The intensity calculated follows the :ref:`parallelepiped` model, with the 
     
    9299    detector plane. 
    93100 
    94 Validation 
    95 ---------- 
    96  
    97 The model uses the form factor calculations implemented in a c-library provided 
    98 by the NIST Center for Neutron Research (Kline, 2006). 
    99  
    100101References 
    101102---------- 
     
    112113 
    113114* **Author:** NIST IGOR/DANSE **Date:** pre 2010 
    114 * **Last Modified by:** Paul Butler **Date:** September 30, 2016 
    115 * **Last Reviewed by:** Miguel Gonzales **Date:** March 21, 2016 
     115* **Converted to sasmodels by:** Miguel Gonzales **Date:** February 26, 2016 
     116* **Last Modified by:** Wojciech Potrzebowski **Date:** January 11, 2017 
     117* **Currently Under review by:** Paul Butler 
    116118""" 
    117119 
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