def activate_clipped_asset(params):
"""
Download only the UDM for the assets
Extract the relevant part of the UDM to our JSON
Check to see if <2% of the pixels are unsuable.
If <2% - download clip using the Clips API (as per now) and proceed as normal
If >= 2%, skip
"""
gaia = Gaia()
try:
aoi_id = params['aoi_id']
planet_item_id = params['planet_item_id']
aoi = Aoi.objects.get_by_id(aoi_id)
item_type = params['item_type']
asset_type = params['asset_type']
except Exception as e:
return 'AOI, Date, & Planet Item ID must be given'
try:
if not aoi:
return 'AOI not found.'
planet_item_details = {
'item_id': planet_item_id,
'item_type': item_type,
'asset_type': asset_type
}
aoi_json = gaia.create_aoi_json(
[aoi.coordinates],
planet_item_details
)
asset_activation = gaia.activate_clipped_asset(aoi_json)
if not asset_activation:
activate_clipped_asset.apply_async((params,), countdown=1)
return False
filepath = './storage/' + str(aoi_id) + '-' + str(planet_item_id) + '/'
if not os.path.exists(filepath):
os.makedirs(filepath)
params['filepath'] = filepath
get_clipped_asset.delay(params, asset_activation)
return True
except:
return False
def activate_clipped_asset(params):
'''
First step is to activate the planet's item and prepare the folder to download the item later
'''
gaia = Gaia()
try:
aoi_id = params['aoi_id']
planet_item_id = params['planet_item_id']
date = params['date']
except Exception as e:
return 'AOI, Date, & Planet Item ID must be given'
aoi = Aoi.objects.get_by_id(aoi_id)
if not aoi:
return 'AOI not found.'
planet_item_details = {
'item_id': planet_item_id,
'item_type': 'PSScene4Band',
'asset_type': 'analytic'
}
aoi_json = gaia.create_aoi_json(
[aoi.coordinates],
planet_item_details
)
asset_activation = gaia.activate_clipped_asset(aoi_json)
if not asset_activation:
activate_clipped_asset.apply_async((params,), countdown=1)
return False
filepath = './storage/' + str(aoi_id) + '-' + str(planet_item_id) + '/'
if not os.path.exists(filepath):
os.makedirs(filepath)
params['filepath'] = filepath
get_clipped_asset.delay(params, asset_activation)
return True