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The SAXS/GISAXS Interface
This interface is similar to the POWDER DIFFRACTION (2-D)
interface, but is being tailored for the needs of small angle scattering.
It is still under development, so not all the commands have been
implemented at present.
The main menu is shown in Figure 43.
Figure 43:
The SAXS/GISAXS Main Menu
|
The SAXS/GISAXS Main Menu contains the following
commands:
- EXIT Exit menu.
- BEAM CENTRE Determine beam centre by a choice of methods.
- FULL View image of full data.
- OUTPUT Save data in an output file.
- ? This help on the menu choices.
- CAKE Versatile multiple 2-theta scans integration (see
Section 11.6, Page ).
- INPUT Input data from a file on disk.
- NORMALISE Apply intensity normalisation corrections. (Not
yet implemented.)
- HELP Help text on this grphical menu.
- PROJECTION Integrate rectangular region to 1-D scan.
This uses the beam centre and a user input coordinate to define an
integration line. A second user input coordinate defines the width
of the integration region. Pixels within this region are effectively
``collapsed'' onto the integration line, and then re-binned to the
required 1-D output scan. This type of integration is specifically
for grazing incidence data.
- INTEGRATE 2-D to 1-D 2-theta integration.
- Z-SCALING Automatic or user control of intensity display range.
- PRINT Output current graphics to PostScript file.
- EXCHANGE Swap current data with the "memory".
- MASK Defined masked-off regions of the image.
- ZOOM IN Define smaller graphical display region.
- DISPLAY Further graphical display possibilities.
- OPTIONS Graphics display control menu.
- 1-D TRANSFORMS Choice of conversion of intensity and Q scales.
Allows 1-D integrated scan data to be transformed by the general equation:
|
(1) |
The conversion of the intensity and Q scales to log is optional, and the
values of and are user controlled.
- UN-ZOOM Zoom out to see more of the data.
Next: The TEST Interface
Up: FIT2D V12.012 Reference Manual V6.0 ESRF98HA01T
Previous: The CAKE Command
Andrew Hammersley
2004-01-09