2.4.1 Set various processing options
Description
For most of these, set the options for predict details. See also imager help for
more details.
To simulate single dish data, use gridft=SD and gridfunction=PB.
Arguments
| Inputs |
| ||
| ftmachine |
| Fourier transform machine. Possibilities are ’ft’, ’sd’
| |
| allowed: | string |
|
| Default: | ft ’ft’ |
|
| cache |
| Size of gridding cache in complex pixels
| |
| allowed: | int |
|
| Default: | 0 |
|
| tile |
| Size of a gridding tile in pixels (in 1 dimension)
| |
| allowed: | int |
|
| Default: | 16 |
|
| gridfunction |
| Gridding function. String: ’SF’—’BOX’—’PB’
| |
| allowed: | string |
|
| Default: | SF ’SF’ |
|
| location |
| Location used in phase rotations. Position Measure of
Coordinates of array location.
E.g me.position(’ITRF’, ’30.5deg’, ’-20.2deg’, ’6000km’)
or me.observatory(’ALMA’)
| |
| allowed: | any |
|
| Default: | variant ALMA position measure |
|
| padding |
| Padding factor in image plane (¿=1.0)
| |
| allowed: | double |
|
| Default: | 1.3 |
|
| facets |
| Number of facets
| |
| allowed: | int |
|
| Default: | 1 |
|
| maxdata |
| Maximum data to write to a single TSM file (MB)
| |
| allowed: | double |
|
| Default: | 2000.0 |
|
| wprojplanes |
| Number of projection planes when using wproject as the
ft-machine
| |
| allowed: | int |
|
| Default: | 1 |
|
Example
sm.setoptions(cache=10000000, tile=32, gridfunction=’BOX’, me.location(’vla’))
|
Please send any comments or questions about CASA or AIPS++ to aips2-requests@nrao.edu
Copyright © 2008 Associated Universities Inc., Washington, D.C.
This code is available under the terms of the GNU General Public Lincense
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Updated daily during alpha development.