#
# DES round19 footprint
#      March 19, 2019
#       Eric Neilsen
# 
# This is a minor update of round17 to add back some of the southern region of the footprint 
# near the LMC that was completed an the end of the survey. 
#
#
# DES round17 footprint
#      August 30, 2017
#       Alex Drlica-Wagner
#
# 
# This is a minor update of round13 to remove the southern region of the footprint 
# near the LMC that has been phased out of obstac. 
#
#
# DES round13 footprint
#      August 20, 2013
#       Jim Annis 
#
# Consisting of the SPT-SZ survey area, the SDSS equatorial area, 
# a 3000 sq-degree circle centered at ra,dec= 38.8, -39.5 (r=30.91 deg),
# and the weak lensing poop deck in the East centered at a declination
# corresponding to CTIO zenith, an area optimal for DES weak lensing.
# We attempted to stay in regions where the stellar density was < 7*rho_{sp},
# where rho_{sp} is the south pole stellar desnity, both as measured by 2MASS J-band star counts.
# We also attempted to stary in regions where the SFD dust map estimates the i-band
# extinction is < 0.15 mags. We did a better job with the stars than with the dust
# as the star density is smooth, whereas the dust can be found in clouds, particularily in the NE
# We estimate the footprint area at 5200 sq-degrees, 
# though my current 1-sigma error estimate is 150 sq-degrees
#
#	 The footprint consists of 567 coordinate pairs. 
#	  For questions of whether a point is inside the footprint and area,
#	   we recommend ray casting algorithms; your milage may vary.
#	    Point in polygon algorithms are well studied (think: video games and movies)
#
# With that, we shall consider the footprint complete.
#  (Note that a 2014 iteration would natually be called round14.)
#
# typedef struct {
# 	   double ra;
# 	    double dec;
# } COORDINATE;
#

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