-                      r417c03f
+                      r2f539b2
 Assuming that all the pixel sizes are the same, the elastic scattering
 intensity from the particle is
+intensity from the particle is defined as
 .. image:: gen_i.png
 …
 the position of the $j^\text{th}$ pixel respectively.
 The total volume $V$
+The total volume $V$ is equal to
 .. math::
 …
 density * Avogadro number) for the atomic structures).
+$V$ can be corrected by users. This correction is useful especially for an
+atomic structure (such as taken from a PDB file) to get the right normalization.
+*NOTE! $\beta_j$ displayed in the GUI may be incorrect but this will not
+affect the scattering computation if the correction of the total volume V is made.*
+$V$ can be corrected by users (input parameter `Total volume`). This correction
+is useful especially for an atomic structure (such as taken from a PDB file)
+to get the right normalization.
+*NOTE! $\beta_j$ displayed in the GUI may be incorrect (input parameter
+`solvent_SLD`) but this will not affect the scattering computation if the
+correction of the total volume V is made.*
 The scattering length density (SLD) of each pixel, where the SLD is uniform, is
 …
 .. image:: mxp.png
 .. image:: myp.png
 .. image:: mzp.png
 .. image:: mqx.png
 .. image:: mqy.png
 Here the $M0_x$, $M0_y$ and $M0_z$ are the $x$, $y$ and $z$
+Here the $M_{0x}$, $M_{0y}$ and $M_{0z}$ are the $x$, $y$ and $z$
 components of the magnetisation vector in the laboratory $xyz$ frame.
+.. .. image:: Mxyzp.png
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 …
 --------------
+.. image:: gen_gui_help.png
+After computation the result will appear in the *Theory* box in the SasView
+.. figure:: gen_gui_help.png
+   ..
+) Load .sld, .txt, or .omf datafile
+) Select default shape of sample
+) Draw magnetization with arrows (not recommended for a large number of
+      pixels).
+) Ratio of (+/total) neutrons after analyser
+) Ratio of (+/total) neutrons before sample
+) Polarization angle in degrees
+) Default volume calculated from the pixel info
+      (or natural density of pdf file)
+) Compute the scattering pattern
+) Reset GUI to initial state
+) Display mean values or enter a new value if enabled
+) Save the sld data as sld format
+.. After computation the result will appear in the *Theory* box in the SasView
 *Data Explorer* panel.
 …
 of neutrons before the sample and at the analyzer, respectively.
 *NOTE 1. The values of* Up_frac_in *and* Up_frac_out *must be in the range
+*NOTE 1. The values of Up_frac_in and Up_frac_out must be in the range
 .0 to 1.0. Both values are 0.5 for unpolarized neutrons.*
 …
 *NOTE 3. For the nuclear scattering length density, only the real component
 is taken account.*
+is taken into account.*
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ
 …
 where $v_j \beta_j \equiv b_j$ is the scattering
+length of the $j^\text{th}$ atom. The calculation output is passed to the *Data Explorer*
+length of the $j^\text{th}$ atom.
+.. The calculation output is passed to the *Data Explorer*
 for further use.
+.. image:: pdb_combo.jpg
+.. figure:: pdb_combo.png
+   ..
+) PDB file loaded
+) disabled input for *Up_frac_in*, *Up_frac_oupt*, *Up_theta*
+) option to perform the calculations using "Fixed orientations" (2D output)
+      or "Averaging over all orientations using Debye equation" (1D output).
+      This choice is only available for PDB files.
 .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ

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SasView

Changeset 2f539b2 in sasview for src/sas/qtgui/Calculators/media/sas_calculator_help.rst

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src/sas/qtgui/Calculators/media/sas_calculator_help.rst

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