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source catalog and line profile use source for images, handle missing ra, dec, add clientAlertExceptions to analysis endpoint #42

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merged 4 commits into from
Dec 4, 2024
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source catalog and line profile use source for images, handle missing ra, dec, add clientAlertExceptions to analysis endpoint #42

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ddc1e39
source catalog and line profile use source for images, handle missing…
LTDakin Dec 2, 2024
915127d
add source to input for analysis, and add 3 decimal places to catalog…
LTDakin Dec 2, 2024
c86fdf5
not attaching ra and dec if null
LTDakin Dec 3, 2024
f72db73
change check to be is not None to satisfy tests
LTDakin Dec 3, 2024
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12 changes: 6 additions & 6 deletions datalab/datalab_session/analysis/line_profile.py
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Original file line number Diff line number Diff line change
Expand Up @@ -20,7 +20,7 @@ def line_profile(input: dict):
y2 (int): The y coordinate of the ending point
}
"""
fits_path = get_fits(input['basename'])
fits_path = get_fits(input['basename'], input['source'])

sci_hdu = get_hdu(fits_path, 'SCI')

Expand Down Expand Up @@ -51,16 +51,16 @@ def line_profile(input: dict):
position_angle = coordinates.position_angle(start_sky_coord.ra, start_sky_coord.dec,
end_sky_coord.ra, end_sky_coord.dec).deg
except WcsError:
# no valid WCS solution
# Can't calculate these values without WCS
start_coords = None
end_coords = None
position_angle = None

# fallback attempt at using pixscale to calculate the arcsec distance
try:
# attempt using pixscale to calculate the angle
arcsec_angle = len(line_profile) * sci_hdu.header["PIXSCALE"]
except KeyError as e:
# no valid WCS solution, and no pixscale
except KeyError:
arcsec_angle = None

return {"line_profile": line_profile, "arcsec": arcsec_angle, "start_coords": start_coords, "end_coords": end_coords, "position_angle": position_angle}
line_profile_output = {"line_profile": line_profile, "arcsec": arcsec_angle, "start_coords": start_coords, "end_coords": end_coords, "position_angle": position_angle}
return line_profile_output
46 changes: 36 additions & 10 deletions datalab/datalab_session/analysis/source_catalog.py
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,28 @@
from datalab.datalab_session.file_utils import get_hdu, scale_points
from datalab.datalab_session.s3_utils import get_fits

# Source catalog Function Definition
# ARGS: input (dict)
# input = {
# basename (str): The name of the file to analyze
# height (int): The height of the image
# width (int): The width of the image
# source (str): The source of the file
# }
# RETURNS: output (dict)
# output = [{
# x (int): The x coordinate of the source
# y (int): The y coordinate of the source
# flux (int): The flux value of the source
# ra (float): The right ascension of the source
# dec (float): The declination of the source
# }]
#
def source_catalog(input: dict):
"""
Returns a dict representing the source catalog data with x,y coordinates and flux values
"""
fits_path = get_fits(input['basename'])
fits_path = get_fits(input['basename'], input['source'])

cat_hdu = get_hdu(fits_path, 'CAT')
sci_hdu = get_hdu(fits_path, 'SCI')
Expand All @@ -19,23 +36,32 @@ def source_catalog(input: dict):
x_points = cat_hdu.data["x"][:SOURCE_CATALOG_COUNT]
y_points = cat_hdu.data["y"][:SOURCE_CATALOG_COUNT]
flux = cat_hdu.data["flux"][:SOURCE_CATALOG_COUNT]
ra = cat_hdu.data["ra"][:SOURCE_CATALOG_COUNT]
dec = cat_hdu.data["dec"][:SOURCE_CATALOG_COUNT]

# ra, dec values may or may not be present in the CAT hdu
if "ra" in cat_hdu.data.names and "dec" in cat_hdu.data.names:
ra = cat_hdu.data["ra"][:SOURCE_CATALOG_COUNT]
dec = cat_hdu.data["dec"][:SOURCE_CATALOG_COUNT]
else:
# TODO: implement a fallback way to calculate ra, dec from x, y and WCS
ra = None
dec = None

# scale the x_points and y_points from the fits pixel coords to the jpg coords
fits_height, fits_width = np.shape(sci_hdu.data)
x_points, y_points = scale_points(fits_height, fits_width, input['width'], input['height'], x_points=x_points, y_points=y_points)

# we will be giving a list of dicts representing each source back to the frontend
# create the list of source catalog objects
source_catalog_data = []
for i in range(SOURCE_CATALOG_COUNT):
source_catalog_data.append({
source_data = {
"x": x_points[i],
"y": y_points[i],
"flux": flux[i].astype(int),
# truncate the ra and dec to 4 decimal places for readability
"ra": '%.4f'%(ra[i]),
"dec": '%.4f'%(dec[i])
})
"flux": flux[i].astype(int)
}
if ra is not None and dec is not None:
source_data["ra"] = '%.6f' % (ra[i])
source_data["dec"] = '%.6f' % (dec[i])

source_catalog_data.append(source_data)

return source_catalog_data
4 changes: 3 additions & 1 deletion datalab/datalab_session/tests/test_analysis.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,8 @@ def test_line_profile(self, mock_get_fits):
'x1': 25,
'y1': 25,
'x2': 75,
'y2': 75
'y2': 75,
'source': 'archive'
})

assert_almost_equal(output.get('line_profile').tolist(), self.test_line_profile_data, decimal=3)
Expand All @@ -43,6 +44,7 @@ def test_source_catalog(self, mock_get_fits):
'basename': 'fits_1',
'height': 100,
'width': 100,
'source': 'archive'
})

self.assertEqual(output, self.test_source_catalog_data)
100 changes: 50 additions & 50 deletions datalab/datalab_session/tests/test_files/analysis/test_source_catalog.json
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Original file line number Diff line number Diff line change
@@ -1,54 +1,54 @@
{
"test_source_catalog": [
{"x": 792, "y": 623, "flux": 3164455, "ra": "260.9333", "dec": "-33.0225"},
{"x": 919, "y": 120, "flux": 807813, "ra": "260.9667", "dec": "-32.9137"},
{"x": 996, "y": 627, "flux": 383099, "ra": "260.9861", "dec": "-33.0235"},
{"x": 997, "y": 641, "flux": 335359, "ra": "260.9862", "dec": "-33.0265"},
{"x": 587, "y": 803, "flux": 304833, "ra": "260.8802", "dec": "-33.0612"},
{"x": 1015, "y": 554, "flux": 291847, "ra": "260.9910", "dec": "-33.0076"},
{"x": 490, "y": 568, "flux": 226494, "ra": "260.8555", "dec": "-33.0101"},
{"x": 526, "y": 147, "flux": 209307, "ra": "260.8654", "dec": "-32.9191"},
{"x": 740, "y": 301, "flux": 177543, "ra": "260.9203", "dec": "-32.9526"},
{"x": 334, "y": 231, "flux": 168666, "ra": "260.8157", "dec": "-32.9370"},
{"x": 843, "y": 277, "flux": 132858, "ra": "260.9468", "dec": "-32.9476"},
{"x": 776, "y": 805, "flux": 115180, "ra": "260.9290", "dec": "-33.0618"},
{"x": 13, "y": 341, "flux": 101317, "ra": "260.7327", "dec": "-32.9604"},
{"x": 384, "y": 332, "flux": 93054, "ra": "260.8284", "dec": "-32.9590"},
{"x": 451, "y": 307, "flux": 82848, "ra": "260.8457", "dec": "-32.9536"},
{"x": 830, "y": 815, "flux": 76200, "ra": "260.9427", "dec": "-33.0641"},
{"x": 846, "y": 138, "flux": 70788, "ra": "260.9478", "dec": "-32.9176"},
{"x": 569, "y": 179, "flux": 69761, "ra": "260.8763", "dec": "-32.9261"},
{"x": 818, "y": 146, "flux": 69329, "ra": "260.9406", "dec": "-32.9191"},
{"x": 843, "y": 912, "flux": 63748, "ra": "260.9462", "dec": "-33.0851"},
{"x": 395, "y": 151, "flux": 60681, "ra": "260.8315", "dec": "-32.9198"},
{"x": 542, "y": 122, "flux": 60653, "ra": "260.8696", "dec": "-32.9136"},
{"x": 214, "y": 390, "flux": 60057, "ra": "260.7845", "dec": "-32.9712"},
{"x": 188, "y": 691, "flux": 59835, "ra": "260.7774", "dec": "-33.0363"},
{"x": 173, "y": 438, "flux": 59768, "ra": "260.7738", "dec": "-32.9816"},
{"x": 1022, "y": 188, "flux": 56811, "ra": "260.9931", "dec": "-32.9285"},
{"x": 431, "y": 936, "flux": 56575, "ra": "260.8396", "dec": "-33.0898"},
{"x": 333, "y": 112, "flux": 51136, "ra": "260.8157", "dec": "-32.9112"},
{"x": 211, "y": 958, "flux": 50722, "ra": "260.7828", "dec": "-33.0941"},
{"x": 664, "y": 535, "flux": 45352, "ra": "260.9004", "dec": "-33.0033"},
{"x": 989, "y": 975, "flux": 44414, "ra": "260.9838", "dec": "-33.0988"},
{"x": 1003, "y": 463, "flux": 38238, "ra": "260.9878", "dec": "-32.9879"},
{"x": 336, "y": 242, "flux": 37970, "ra": "260.8161", "dec": "-32.9393"},
{"x": 294, "y": 565, "flux": 37707, "ra": "260.8050", "dec": "-33.0093"},
{"x": 535, "y": 916, "flux": 37575, "ra": "260.8666", "dec": "-33.0854"},
{"x": 66, "y": 415, "flux": 37365, "ra": "260.7463", "dec": "-32.9765"},
{"x": 533, "y": 91, "flux": 36539, "ra": "260.8673", "dec": "-32.9069"},
{"x": 879, "y": 505, "flux": 35138, "ra": "260.9559", "dec": "-32.9970"},
{"x": 293, "y": 638, "flux": 34703, "ra": "260.8045", "dec": "-33.0250"},
{"x": 444, "y": 635, "flux": 33406, "ra": "260.8434", "dec": "-33.0245"},
{"x": 400, "y": 82, "flux": 33366, "ra": "260.8330", "dec": "-32.9048"},
{"x": 465, "y": 59, "flux": 32920, "ra": "260.8497", "dec": "-32.8998"},
{"x": 874, "y": 50, "flux": 32280, "ra": "260.9553", "dec": "-32.8984"},
{"x": 1007, "y": 416, "flux": 29422, "ra": "260.9892", "dec": "-32.9779"},
{"x": 281, "y": 294, "flux": 28626, "ra": "260.8019", "dec": "-32.9506"},
{"x": 682, "y": 39, "flux": 28508, "ra": "260.9057", "dec": "-32.8959"},
{"x": 972, "y": 426, "flux": 27457, "ra": "260.9801", "dec": "-32.9799"},
{"x": 480, "y": 557, "flux": 26744, "ra": "260.8529", "dec": "-33.0077"},
{"x": 812, "y": 291, "flux": 25618, "ra": "260.9389", "dec": "-32.9506"},
{"x": 443, "y": 206, "flux": 25483, "ra": "260.8438", "dec": "-32.9317"}
{"x": 792, "y": 623, "flux": 3164455, "ra": "260.933350", "dec": "-33.022468"},
{"x": 919, "y": 120, "flux": 807813, "ra": "260.966724", "dec": "-32.913659"},
{"x": 996, "y": 627, "flux": 383099, "ra": "260.986084", "dec": "-33.023544"},
{"x": 997, "y": 641, "flux": 335359, "ra": "260.986153", "dec": "-33.026504"},
{"x": 587, "y": 803, "flux": 304833, "ra": "260.880190", "dec": "-33.061203"},
{"x": 1015, "y": 554, "flux": 291847, "ra": "260.990955", "dec": "-33.007606"},
{"x": 490, "y": 568, "flux": 226494, "ra": "260.855531", "dec": "-33.010065"},
{"x": 526, "y": 147, "flux": 209307, "ra": "260.865447", "dec": "-32.919082"},
{"x": 740, "y": 301, "flux": 177543, "ra": "260.920254", "dec": "-32.952604"},
{"x": 334, "y": 231, "flux": 168666, "ra": "260.815714", "dec": "-32.937012"},
{"x": 843, "y": 277, "flux": 132858, "ra": "260.946803", "dec": "-32.947639"},
{"x": 776, "y": 805, "flux": 115180, "ra": "260.929046", "dec": "-33.061751"},
{"x": 13, "y": 341, "flux": 101317, "ra": "260.732683", "dec": "-32.960356"},
{"x": 384, "y": 332, "flux": 93054, "ra": "260.828434", "dec": "-32.958980"},
{"x": 451, "y": 307, "flux": 82848, "ra": "260.845680", "dec": "-32.953588"},
{"x": 830, "y": 815, "flux": 76200, "ra": "260.942738", "dec": "-33.064078"},
{"x": 846, "y": 138, "flux": 70788, "ra": "260.947787", "dec": "-32.917576"},
{"x": 569, "y": 179, "flux": 69761, "ra": "260.876290", "dec": "-32.926068"},
{"x": 818, "y": 146, "flux": 69329, "ra": "260.940558", "dec": "-32.919116"},
{"x": 843, "y": 912, "flux": 63748, "ra": "260.946216", "dec": "-33.085093"},
{"x": 395, "y": 151, "flux": 60681, "ra": "260.831455", "dec": "-32.919758"},
{"x": 542, "y": 122, "flux": 60653, "ra": "260.869564", "dec": "-32.913619"},
{"x": 214, "y": 390, "flux": 60057, "ra": "260.784459", "dec": "-32.971195"},
{"x": 188, "y": 691, "flux": 59835, "ra": "260.777363", "dec": "-33.036278"},
{"x": 173, "y": 438, "flux": 59768, "ra": "260.773825", "dec": "-32.981611"},
{"x": 1022, "y": 188, "flux": 56811, "ra": "260.993067", "dec": "-32.928477"},
{"x": 431, "y": 936, "flux": 56575, "ra": "260.839617", "dec": "-33.089795"},
{"x": 333, "y": 112, "flux": 51136, "ra": "260.815677", "dec": "-32.911207"},
{"x": 211, "y": 958, "flux": 50722, "ra": "260.782797", "dec": "-33.094140"},
{"x": 664, "y": 535, "flux": 45352, "ra": "260.900375", "dec": "-33.003295"},
{"x": 989, "y": 975, "flux": 44414, "ra": "260.983777", "dec": "-33.098763"},
{"x": 1003, "y": 463, "flux": 38238, "ra": "260.987847", "dec": "-32.987939"},
{"x": 336, "y": 242, "flux": 37970, "ra": "260.816099", "dec": "-32.939259"},
{"x": 294, "y": 565, "flux": 37707, "ra": "260.804958", "dec": "-33.009319"},
{"x": 535, "y": 916, "flux": 37575, "ra": "260.866625", "dec": "-33.085422"},
{"x": 66, "y": 415, "flux": 37365, "ra": "260.746322", "dec": "-32.976492"},
{"x": 533, "y": 91, "flux": 36539, "ra": "260.867257", "dec": "-32.906923"},
{"x": 879, "y": 505, "flux": 35138, "ra": "260.955856", "dec": "-32.996953"},
{"x": 293, "y": 638, "flux": 34703, "ra": "260.804463", "dec": "-33.024956"},
{"x": 444, "y": 635, "flux": 33406, "ra": "260.843397", "dec": "-33.024536"},
{"x": 400, "y": 82, "flux": 33366, "ra": "260.832988", "dec": "-32.904823"},
{"x": 465, "y": 59, "flux": 32920, "ra": "260.849739", "dec": "-32.899831"},
{"x": 874, "y": 50, "flux": 32280, "ra": "260.955293", "dec": "-32.898351"},
{"x": 1007, "y": 416, "flux": 29422, "ra": "260.989158", "dec": "-32.977875"},
{"x": 281, "y": 294, "flux": 28626, "ra": "260.801870", "dec": "-32.950643"},
{"x": 682, "y": 39, "flux": 28508, "ra": "260.905706", "dec": "-32.895904"},
{"x": 972, "y": 426, "flux": 27457, "ra": "260.980081", "dec": "-32.979940"},
{"x": 480, "y": 557, "flux": 26744, "ra": "260.852921", "dec": "-33.007667"},
{"x": 812, "y": 291, "flux": 25618, "ra": "260.938918", "dec": "-32.950600"},
{"x": 443, "y": 206, "flux": 25483, "ra": "260.843795", "dec": "-32.931662"}
]
}
47 changes: 32 additions & 15 deletions datalab/datalab_session/views.py
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Original file line number Diff line number Diff line change
@@ -1,3 +1,5 @@
import logging

from rest_framework.generics import RetrieveAPIView
from rest_framework.renderers import JSONRenderer
from rest_framework.response import Response
Expand All @@ -7,6 +9,7 @@
from datalab.datalab_session.analysis.source_catalog import source_catalog
from datalab.datalab_session.analysis.get_tif import get_tif
from datalab.datalab_session.analysis.raw_data import raw_data
from datalab.datalab_session.exceptions import ClientAlertException


class OperationOptionsApiView(RetrieveAPIView):
Expand All @@ -26,18 +29,32 @@ class AnalysisView(RetrieveAPIView):
To add a new analysis action, add a case to the switch statement and create a new file in the analysis directory
"""
def post(self, request, action):
input = request.data

match action:
case 'line-profile':
output = line_profile(input)
case 'source-catalog':
output = source_catalog(input)
case 'get-tif':
output = get_tif(input)
case 'raw-data':
output = raw_data(input)
case _:
raise Exception(f'Analysis action {action} not found')

return Response(output)
log = logging.getLogger()
log.setLevel(logging.INFO)

try:
# TODO replace switch case with an AnalysisAction class
# AnalysisAction Class Definition
# class AnalysisAction:
# def __init__(self, action):
# def run(self, input):
# def name(self):
input = request.data

match action:
case 'line-profile':
output = line_profile(input)
case 'source-catalog':
output = source_catalog(input)
case 'get-tif':
output = get_tif(input)
case 'raw-data':
output = raw_data(input)
case _:
raise Exception(f'Analysis action {action} not found')

return Response(output)

except ClientAlertException as error:
log.error(f"Error running analysis action {action}: {error}")
return Response({"error": f"Image doesn't support {action}"}, status=400)
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