build downsampled previews of space telescope products
Project description
Space Telescope Product Downsampling
pip install stpreview
Usage
stpreview by
❯ stpreview by --help
Usage: stpreview by [OPTIONS] INPUT OUTPUT FACTOR... [OBSERVATORY]
downsample the given ASDF image by the given factor
Arguments:
INPUT path to ASDF file with 2D image data [required]
OUTPUT path to output image file [required]
FACTOR... block size by which to downsample image data [required]
[OBSERVATORY] observatory, one of ['roman', 'jwst']
Options:
--compass / --no-compass whether to draw a north arrow on the image
[default: no-compass]
--help Show this message and exit.
stpreview to
❯ stpreview to --help
Usage: stpreview to [OPTIONS] INPUT OUTPUT SHAPE... [OBSERVATORY]
downsample the given ASDF image to the desired shape
the output image may be smaller than the desired shape, if no even factor
exists
Arguments:
INPUT path to ASDF file with 2D image data [required]
OUTPUT path to output image file [required]
SHAPE... desired pixel resolution of output image [required]
[OBSERVATORY] observatory, one of ['roman', 'jwst']
Options:
--compass / --no-compass whether to draw a north arrow on the image
[default: no-compass]
--help Show this message and exit.
Examples
downsample a sample Roman image by a factor of 10, and add a compass rose
stpreview by /grp/roman/TEST_DATA/23Q4_B11/aligntest/r0000501001001001001_01101_0001_WFI01_cal.asdf docs/images/by.png 10 10 --compass
downsample a sample Roman image to within 300x300 pixels
stpreview to /grp/roman/TEST_DATA/23Q4_B11/aligntest/r0000501001001001001_01101_0001_WFI01_cal.asdf docs/images/to.png 300 300 roman
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