Changeset d138d43 in sasmodels for sasmodels/models/bcc.py


Ignore:
Timestamp:
Nov 30, 2015 2:24:28 PM (8 years ago)
Author:
Paul Kienzle <pkienzle@…>
Branches:
master, core_shell_microgels, costrafo411, magnetic_model, release_v0.94, release_v0.95, ticket-1257-vesicle-product, ticket_1156, ticket_1265_superball, ticket_822_more_unit_tests
Children:
eb69cce
Parents:
1ec7efa
Message:

remove documentation build errors

File:
1 edited

Legend:

Unmodified
Added
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  • sasmodels/models/bcc.py

    rcd3dba0 rd138d43  
    77and the size of the paracrystal is infinitely large. Paracrystalline distortion 
    88is assumed to be isotropic and characterized by a Gaussian distribution. 
    9  
    10 The returned value is scaled to units of |cm^-1|\ |sr^-1|, absolute scale. 
    119 
    1210Definition 
    … …  
    4644where $g$ is a fractional distortion based on the nearest neighbor distance. 
    4745 
    48 The body-centered cubic lattice is 
    4946 
    50 .. image:: img/bcc_lattice.jpg 
     47.. figure:: img/bcc_lattice.jpg 
     48 
     49    Body-centered cubic lattice. 
    5150 
    5251For a crystal, diffraction peaks appear at reduced q-values given by 
    … …  
    6867    \end{eqnarray} 
    6968 
    70 **NB: The calculation of $Z(q)$ is a double numerical integral that must 
     69**NB**: The calculation of $Z(q)$ is a double numerical integral that must 
    7170be carried out with a high density of points to properly capture the sharp 
    72 peaks of the paracrystalline scattering.** So be warned that the calculation 
     71peaks of the paracrystalline scattering. So be warned that the calculation 
    7372is SLOW. Go get some coffee. Fitting of any experimental data must be 
    7473resolution smeared for any meaningful fit. This makes a triple integral. 
    … …  
    7877*qmin* = 0.001 |Ang^-1|, *qmax* = 0.1 |Ang^-1| and the above default values. 
    7978 
    80 .. image:: img/bcc_1d.jpg 
     79.. figure:: img/bcc_1d.jpg 
    8180 
    82 *Figure. 1D plot in the linear scale using the default values 
    83 (w/200 data point).* 
     81    1D plot in the linear scale using the default values (w/200 data point). 
    8482 
    8583The 2D (Anisotropic model) is based on the reference below where $I(q)$ is 
    … …  
    8886model computation. 
    8987 
    90 .. image:: img/bcc_orientation.gif 
     88.. figure:: img/crystal_orientation.gif 
    9189 
    92 .. image:: img/bcc_2d.jpg 
     90    Orientation of the crystal with respect to the scattering plane. 
    9391 
    94 *Figure. 2D plot using the default values (w/200X200 pixels).* 
     92.. figure:: img/bcc_2d.jpg 
    9593 
    96 REFERENCE 
     94    2D plot using the default values (w/200X200 pixels).* 
     95 
     96Reference 
    9797--------- 
    9898 
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