IDGImager

The IDGImager step it is an experimental step to produce snapshots images of an AARTFAAC observation at each time step. It leverages the Image Domain Gridder library (https://git.astron.nl/RD/idg).

inputs

proxy_type

type:

enum

default:

CPU_OPTIMIZED

doc:

Type of algorithm to do the gridding with IDG. The options are CPU_OPTIMIZED, CUDA_GENERIC, CPU_REFERENCE or HYBRID. Note that CUDA_GENERIC and HYBRID have to make use of a CUDA compatible GPU.

symbols:

CPU_OPTIMIZED, CUDA_GENERIC, CPU_REFERENCE, HYBRID

dl

type:

double

default:

0.0

doc:

Offset in l of the phase center .

dm

type:

double

default:

0.0

doc:

Offset in m of the phase center .

image_name

type:

string

doc:

Image name format`.` The %t will be replaced with the time sample id`.`

default:

image_t%t.fits

image_size

type:

integer

default:

1024

doc:

Linear resolution of the images to produce . It is assumed to have a equal number of pixels in ra and dec .

scale

type:

double

default:

-1.0

doc:

Scale in degrees of the pixel . If -1 is provided it will choose a suitable scale to fit the whole sky .