CASA Hints, Tips, and Tricks
From CASA Guides
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For Newcomers
- Importing Data into CASA
- Loading and Running Tasks
- Selecting Spectral Windows and Channels
- General description of the data selection syntax
- Interpreting CASA output
- New Startup Screen
- Starting CASA Without the Logger
- What Version of CASA am I Running?
- Capturing Return Values
- Accessing the Newest Version of CASA at NRAO
- CASA Region Format and CASA Region Format Examples
More Advanced Topics
General
- Setting Up the Available Memory
- Fixing out of date TAI_UTC tables (missing information on leap seconds)
- Renaming a Field
- Renaming Antennas
- Creating lists of files for task input: using glob
- Waiting for read-lock on file
- Lattice Expression Language (LEL) as used, e.g. in immath
- Definition of a Measurement Set
- Definition of a Calibration Table
- CASA Parallel Processing
- Creating lists of files for task input: using glob
Calibration
- Combining Bandpasses
- Create a Component List for Selfcal
- Creating a Model for a Resolved Bandpass Calibrator
Imaging
- Description of Imaging Algorithms in CASA
- Diverging deconvolution results in 'csclean' and 'mosaic' modes
- Create a Simulated Image
Analysis
- How to rotate and slice a cube for pV diagrams
- Masking images for analysis
- Stacking Multiple Spectral Lines at Same Position
Writing a CASA Task
Presents the basics of writing a CASA task, and provides examples of tasks that will be helpful and instructive.
EVLA
Also check out the step-by-step tutorials on this wiki!
