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butler_example.py

+# python module calling butler
+import lsst.daf.persistence as dafPersist
+
+# Specify rerun directory in which the data you want to use is stored
+dataDir = "~/hsc/rerun/<rerun name>"
+
+# Call butler
+butler = dafPersist.Butler(dataDir)
+
+# Specify the target data and searched by butler
+#
+# CORR-0902798-59.fits
+# 'calexp' means CORR-*.fits
+# For calexp type data, you need to specify visit and ccd in dataId
+dataId = {'visit': 902798, 'ccd': 59}
+exp = butler.get('calexp', dataId)
+
+# put the settings in a dict object and call ds9.mtv()
+settings = {'scale':scale, 'zoom': zoom, 'mask' : 'transparency 60'}
+ds9.mtv(exp, frame=frame, title=title, settings=settings)
+
+# get the exposure from the butler
+sources = butler.get('src', dataId)
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