.. slit_calculator_help.rst .. This is a port of the original SasView html help file to ReSTructured text .. by S King, ISIS, during SasView CodeCamp-III in Feb 2015. Slit Size Calculator Tool ========================= Description ----------- This tool enables X-ray users to calculate the slit size (FWHM/2) for smearing based on their half beam profile data. *NOTE! Whilst it may have some more generic applicability, the calculator has only been tested with beam profile data from Anton-Paar SAXSess*\ |TM|\ *software.* .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ Using the tool -------------- 1) Select *Slit Size Calculator* from the *Tool* menu on the SasView toolbar. 2) Load a beam profile file in the *Data* field using the *Browse* button. *NOTE! To see an example of the beam profile file format, visit the file beam profile.DAT in your {installation_directory}/SasView/test folder.* 3) Once a data is loaded, the slit size is automatically computed and displayed in the tool window. *NOTE! The beam profile file does not carry any information about the units of the Q data. This calculator assumes the data has units of 1/\ |Ang|\ . If the data is not in these units it must be manually converted beforehand.* .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ .. note:: This help document was last changed by Steve King, 01May2015