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XAS Data Collector Getting Started.pdf
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- Overview
- Logging InOverview
- Queue Setup
- Setting up an XAS Experiment
- Defining a Region
- Executing the Queue
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Web XAS is a browser-based interface for the XAS Data Collector on the beam line computer. Web XAS executes a queue of various item types (XAS experiments, time scans, motor moves, etc.) and provides the tools to edit the queue items as needed for the user's experiment.
If Web XAS freezes, is not behaving as expected, or is displaying a lot of errors, you can try following these directions to restart things: Restarting Web XAS
Logging InAnchor Logging In Logging In
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After you successfully log in with your User Portal credentials, you will be asked to enter your beam line computer account. This is the username that your group has been given and typically starts with "b_". You will also need to select the beam line that you are running on.
OverviewAnchor
Web XAS is a browser-based interface for the XAS Data Collector on the beam line computer. Web XAS executes a queue of various item types (XAS experiments, time scans, motor moves, etc.) and provides the tools to edit the queue items as needed for the user's experiment.
If Web XAS freezes, is not behaving as expected, or is displaying a lot of errors, you can try following these directions to restart things: Restarting Web XAS
Queue SetupAnchor Setup Setup
Using Web XAS, you can execute a series of items in queue. Queue items can be an experiment ("EXP") of various types (XAS, alignment scan, or time scan) or ICS commands ("ICS").
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Once you've set these parameters, enter a file name and any comments (will be saved in the output data file), and press Apply.
Defining a RegionAnchor DefineRegion DefineRegion
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Basic Region Generator
Region Wizard
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To start the queue, press the Queue Controls button at the top of Web XAS. There will be a lightbox displaying information about the queue. If there are no errors, press Start to execute the queue. It may take a few seconds, but you should eventually see the Status field go from INACTIVE to ACTIVE. If there are errors, check the Queue Manager for more detailed error messages. If you need help resolving errors, please ask beam line staff.
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Once the queue is active, press the Queue Controls button to bring up a panel with controls for...the following controls:
- Repeat the current sweep
- Stop queue execution
- Pause/continue queue execution
- Skip to the next sweep
- Skip to the next queue item
- Increase/decrease the number of sweeps
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