GeoPIXE for the CHESS Maia detector GeoPIXE FAQ page Main CHESS Maia web home General GeoPIXE tips and tricks * Dark gray buttons are ON; Light gray buttons a...
GeoPIXE FAQ X2Go and XFCE troubleshooting Q: Why is X2Go not launching a new window when I connect to the CLASSE network? A: Make sure that "Focus on new window...
How to: GeoPIXE: Set up and/or modify a .cuts file A .cuts file tells GeoPIXE to ignore the fitting in a certain region or regions in your spectrum. This can be u...
How to perform flux/charge calibration in GeoPIXE You will need to perform a flux/charge calibration using foil data at every major beam energy you use during you...
How to estimate areal density from the x ray transmission map using Matlab A Matlab script by Arthur Woll is useful for estimating areal densities to be used in y...
How to: GeoPIXE: Generate energy calibration from foil data The energy calibration step assures that all pixels in the detector report XRF peaks at the same energ...
How to set up/modify a .throttle file in GeoPIXE A .throttle file is used while collecting data to reduce the overall file size. The function of a .throttle file ...
How to: GeoPIXE: Batch process XANES fluorescence maps You will first need the list of XANES energies and the XANES DA matrix ( xanes.damx) before you can perform...
How to: GeoPIXE: Generate a DA matrix for XANES spectra or XANES mapping The basic idea is to use the XRF spectra from the highest beam energy you used to fine tu...
How to: GeoPIXE: Generate a list of energies for XANES spectra or XANES mapping You need to generate a list of the incident x ray energies used in your XANES expe...
How to process a single (point) XANES spectrum in GeoPIXE Steps You will need a XANES DA matrix (.damx) ready before you can do this procedure. 1. In the Sort EV...
Intro: GeoPIXE: How to apply an energy calibration to newly imported spectra Applying an energy calibration is important in assuring that each pixel in the Maia d...
Intro: GeoPIXE: Navigating the file selection window This video explains the general functions of the GeoPIXE file selection window, including navigating in the d...
Intro: GeoPIXE: File selection for the Maia, a.k.a. "Where's my data?" This video explains where to find the raw and analyzed data from your Maia run when navigat...
Intro: GeoPIXE: Loading an existing image and navigating the image display window This video introduces some of functions of the GeoPIXE image display window, inc...
Intro: GeoPIXE: Analyzing image regions Video Coming soon! Steps Analyzing region concentrations 1. Make sure you have the .dai file of interest loaded in the m...
Intro: GeoPIXE: Launching GeoPIXE from an XFCE session The video on this page demonstrates how to launch GeoPIXE from a terminal window, and briefly introduces th...
Intro: GeoPIXE: Options for saving images and image data Image save options For all options: "Save current" saves the currently displayed elemental map. "Save se...
Generating elemental maps from raw XRF data using the Sort EVT window You will need to first import and fit your raw data, and generate a DA matrix, before proces...
Intro: GeoPIXE: Loading an existing spectrum and navigating the spectrum display window This tutorial demonstrates how to load an existing spectrum (.spec) file i...
Intro: GeoPIXE: Importing spectra from raw blog files When you want to look at raw XRF data for the first time after you collect it, you will need to use the Spec...
Intro: GeoPIXE: Workflow overview The resources on this page are intended to introduce the general process of working up XRF data in GeoPIXE. The topics reference...
Intro: GeoPIXE: Using the x ray spectrum fit window Video Coming soon! Steps 1. We recommend that you begin your fitting process in the X ray Spectrum Fit windo...
Intro: GeoPIXE: Setting up a yields file Video Coming soon! Steps 1. It makes sense to set up a yields file as part of the fitting process. Normally at this poi...
Editing your ".bashrc" file to add GeoPIXE to your path Using GeoPIXE requires an additional step beyond the default CLASSE user account setup. 1 Login to you...
Windows and Mac specific instructions for installing X2Go. WINDOWS USERS: 1. At this link, https://wiki.classe.cornell.edu/Computing/WindowsRemoteLinuxScript, fol...
INTRO: X2Go: Starting up an XFCE session Since XRF data sets are stored at CHESS, in order to work with them you will need to log in to the CLASSE computing netwo...
Maia beamline checklist settings to note, tips, etc. Settings to write down: * Ion chamber scaling channel (usually FC0) * Preamp sensitivity and and unit...
Example checklist for Maia experiments at CHESS As we indicate in many of the tutorials, it's very important to keep track of what experiments you perform at the ...
CHESS staff: How to set up Maia directories by hand for a new user Steps 1. Set up a daq folder for the new user(s) at daq/current/hutch/PI projectnumber request...
Saving files from the CLASSE network using Fetch (Mac) This video tutorial explains how to use Fetch (http://fetchsoftworks.com/fetch/), FTP software which is fre...
How to make a scripted vido with Screencast O Matic 1. Create the script * Open software * Start a new scripted project by clicking “Scripted” in the upper...
Useful Spec commands during data collection Motor nomenclature * samx, samy, samz: sample stage motors. When we take data with the Maia detector, the sample i...
GeoPIXE and X2Go * Installing X2Go on your computer * Starting up an XFCE session via X2Go for the first time * Checking/setting up your UNIX path ('.bas...
Louisa's Notes on XRDUA processes, thanks to Frederik Vanmeert 0. Opening the program XRDUA is an IDL program, and it is recommended to run it in the IDL virtual...
Using xraylib to calculate total absorption cross section (sigma) The xraylib tools can be accessed here: http://lvserver.ugent.be/xraylib web/ To calculate sigma...