import collections
import os
import pipeline.infrastructure as infrastructure
from pipeline.h.tasks.common.displays import sky as sky
from pipeline.infrastructure import casa_tools
LOG = infrastructure.get_logger(__name__)
# class used to transfer image statistics through to plotting routines
ImageStats = collections.namedtuple('ImageStats', 'rms max')
[docs]class RmsimagesSummary(object):
def __init__(self, context, result):
self.context = context
self.result = result
# self.image_stats = image_stats
[docs] def plot(self):
stage_dir = os.path.join(self.context.report_dir,
'stage%d' % self.result.stage_number)
if not os.path.exists(stage_dir):
os.mkdir(stage_dir)
LOG.info("Making PNG RMS images for weblog")
plot_wrappers = []
for rmsimagename in self.result.rmsimagenames:
plot_wrappers.append(sky.SkyDisplay().plot(self.context, rmsimagename,
reportdir=stage_dir, intent='',
collapseFunction='mean'))
with casa_tools.ImageReader(rmsimagename) as image:
stats = image.statistics(robust=True)
self.result.max = stats.get('max')[0]
self.result.min = stats.get('min')[0]
self.result.mean = stats.get('mean')[0]
self.result.median = stats.get('median')[0]
self.result.sigma = stats.get('sigma')[0]
self.result.MADrms = stats.get('medabsdevmed')[0] * 1.4826 # see CAS-9631
return [p for p in plot_wrappers if p is not None]