CASA Hints, Tips, and Tricks: Difference between revisions
From CASA Guides
Jump to navigationJump to search
No edit summary |
Added external link to Urvashi's description of imaging algorithms in CASA |
||
| (29 intermediate revisions by 6 users not shown) | |||
| Line 1: | Line 1: | ||
{{ | {{Using CASA}} | ||
[[Category: CASA Basics]] | [[Category: CASA Basics]] | ||
== For Newcomers == | == For Newcomers == | ||
* [[Importing Data into CASA]] | |||
* [[Loading and Running Tasks]] | * [[Loading and Running Tasks]] | ||
* [[Selecting Spectral Windows and Channels]] | * [[Selecting Spectral Windows and Channels]] | ||
* [http://www.aoc.nrao.edu/~sbhatnag/misc/msselection/msselection.html General description of the data selection syntax] | * [http://www.aoc.nrao.edu/~sbhatnag/misc/msselection/msselection.html 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* [[Fixing out of date TAI_UTC tables (missing information on leap seconds)]] | |||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 a Field]] | ||
* [[Renaming Antennas]] | |||
* [[Creating lists of files for task input: using glob]] | * [[Creating lists of files for task input: using glob]] | ||
* [[Waiting for read-lock on file]] | * [[Waiting for read-lock on file]] | ||
* [http://casa.nrao.edu/aips2_docs/notes/223/index.shtml Lattice Expression Language (LEL) as used, e.g. in ''immath''] | |||
* [http://casa.nrao.edu/Memos/229.html Definition of a Measurement Set] | |||
* [http://casa.nrao.edu/Memos/240.html Definition of a Calibration Table] | |||
* [[CASA Parallel Processing]] | |||
* [[Creating lists of files for task input: using glob]] | * [[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 === | |||
* [http://www.aoc.nrao.edu/~rurvashi/ImagingAlgorithmsInCasa/ImagingAlgorithmsInCasa.html Description of Imaging Algorithms in CASA] | |||
* [[Diverging deconvolution results in 'csclean' and 'mosaic' modes]] | * [[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 === | |||
* [[Writing a CASA Task]] | |||
Presents the basics of writing a CASA task, and provides examples of tasks that will be helpful and instructive. | |||
== EVLA == | |||
* [[Some Notes on VLA / EVLA gain curves and fluxscale]] | |||
* [[VLA LST Calculator]] | |||
Latest revision as of 19:49, 20 August 2012
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!
