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from __future__ import absolute_import, division, print_function 

from builtins import range 

from builtins import object 

# 

# LSST Data Management System 

# Copyright 2008, 2009, 2010 LSST Corporation. 

# 

# This product includes software developed by the 

# LSST Project (http://www.lsst.org/). 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

import sys 

import os 

import re 

from astropy.io import fits 

 

import lsst.afw.image as afwImage 

import lsst.afw.geom as afwGeom 

 

 

class Span(object): 

 

def __init__(self, y, x1, x2): 

self.y = y 

self.x1 = x1 

self.x2 = x2 

 

 

class Objmask(object): 

nperspan = 6 

 

def __init__(self, frow, cval, verbose=False): 

self.refcntr = frow[0] 

self.nspan = frow[1] 

self.row0 = frow[2] 

self.col0 = frow[3] 

self.rmin = frow[4] 

self.rmax = frow[5] 

self.cmin = frow[6] 

self.cmax = frow[7] 

self.npix = frow[8] 

self.span = frow[9] 

57 ↛ 58line 57 didn't jump to line 58, because the condition on line 57 was never true if len(self.span) == 0: 

self.nspan = 0 # some bogus fpM files 

 

self.spans = [] 

npixcheck = 0 

for i in range(self.nspan): 

b1 = self.span[6*i + 0] 

b2 = self.span[6*i + 1] 

y = (b1 << 8) + b2 

b1 = self.span[6*i + 2] 

b2 = self.span[6*i + 3] 

x1 = (b1 << 8) + b2 

b1 = self.span[6*i + 4] 

b2 = self.span[6*i + 5] 

x2 = (b1 << 8) + b2 

self.spans.append(Span(y, x1, x2)) 

for i in range(x1, x2+1): 

npixcheck += 1 

 

# Some fpM files are actually wrong and this test fails! 

# So warn, not assert 

# 5759/40/objcs/1/fpM-005759-r1-0011.fit 

# Plane S_MASK_NOTCHECKED 

80 ↛ 81line 80 didn't jump to line 81, because the condition on line 80 was never true if self.npix != npixcheck and verbose: 

print("WARNING: npix != npixcheck (%d != %d)" % (self.npix, npixcheck)) 

 

self.cval = cval 

 

def setMask(self, mask): 

nrow = mask.getHeight() 

ncol = mask.getWidth() 

 

for i in range(self.nspan): 

y = int(self.spans[i].y - self.row0) 

 

92 ↛ 93line 92 didn't jump to line 93, because the condition on line 92 was never true if (y < 0 or y >= nrow): 

continue 

 

x1 = self.spans[i].x1 - self.col0 

x2 = self.spans[i].x2 - self.col0 

 

98 ↛ 99line 98 didn't jump to line 99, because the condition on line 98 was never true if (x1 < 0): 

x1 = 0 

 

101 ↛ 102line 101 didn't jump to line 102, because the condition on line 101 was never true if(x2 >= ncol): 

x2 = ncol - 1 

 

mask.array[y, x1: x2 + 1] |= self.cval 

 

 

def convertfpM(infile, allPlanes=False): 

hdr = fits.open(infile) 

hdr[0].header['RUN'] 

hdr[0].header['CAMCOL'] 

hdr[0].header['FIELD'] 

nRows = hdr[0].header['MASKROWS'] 

nCols = hdr[0].header['MASKCOLS'] 

hdr[0].header['NPLANE'] 

 

names = hdr[-1].data.names 

117 ↛ 118line 117 didn't jump to line 118, because the condition on line 117 was never true if ("attributeName" not in names) or ("Value" not in names): 

raise LookupError("Missing data in fpM header") 

 

planes = hdr[-1].data.field("attributeName").tolist() 

mask = afwImage.Mask(afwGeom.ExtentI(nCols, nRows)) 

 

# Minimal sets of mask planes needed for LSST 

interpPlane = planes.index("S_MASK_INTERP") + 1 

satPlane = planes.index("S_MASK_SATUR") + 1 

crPlane = planes.index("S_MASK_CR") + 1 

 

interpBitMask = afwImage.Mask.getPlaneBitMask("INTRP") 

satBitMask = afwImage.Mask.getPlaneBitMask("SAT") 

crBitMask = afwImage.Mask.getPlaneBitMask("CR") 

 

listToSet = [(interpPlane, interpBitMask), 

(satPlane, satBitMask), 

(crPlane, crBitMask)] 

 

# Add the rest of the SDSS planes 

137 ↛ 138line 137 didn't jump to line 138, because the condition on line 137 was never true if allPlanes: 

for plane in ['S_MASK_NOTCHECKED', 'S_MASK_OBJECT', 'S_MASK_BRIGHTOBJECT', 

'S_MASK_BINOBJECT', 'S_MASK_CATOBJECT', 'S_MASK_SUBTRACTED', 'S_MASK_GHOST']: 

idx = planes.index(plane) + 1 

planeName = re.sub("S_MASK_", "", plane) 

mask.addMaskPlane(planeName) 

planeBitMask = afwImage.Mask.getPlaneBitMask(planeName) 

listToSet.append((idx, planeBitMask)) 

 

for plane, bitmask in listToSet: 

147 ↛ 148line 147 didn't jump to line 148, because the condition on line 147 was never true if len(hdr) < plane: 

continue 

 

150 ↛ 151line 150 didn't jump to line 151, because the condition on line 150 was never true if hdr[plane].data is None: 

continue 

 

nmask = len(hdr[plane].data) 

for i in range(nmask): 

frow = hdr[plane].data[i] 

Objmask(frow, bitmask).setMask(mask) 

 

return mask 

 

 

161 ↛ 162line 161 didn't jump to line 162, because the condition on line 161 was never trueif __name__ == '__main__': 

infile = sys.argv[1] 

outfile = sys.argv[2] 

 

if not os.path.isfile(infile): 

sys.exit(1) 

 

convertfpM(infile).writeFits(outfile) 

 

comparison = """ # noqa ignore the really long line 

import lsst.afw.image as afwImage 

import numpy as num 

import os 

 

readMask = "/astro/users/acbecker/LSST/lsst_devel/clue/Coadd/src/native/SDSS_PSFs/readAtlasImages_mod_by_Keith/src/read_mask" 

cmd = readMask + " %s INTERP /tmp/interp.fit" 

os.system(cmd) 

cmd = readMask + " %s SATUR /tmp/satur.fit" 

os.system(cmd) 

cmd = readMask + " %s CR /tmp/cr.fit" 

os.system(cmd) 

 

interp = afwImage.ImageU("/tmp/interp.fit") 

interp *= 2**2 

 

sat = afwImage.ImageU("/tmp/satur.fit") 

sat *= 2**1 

 

cr = afwImage.ImageU("/tmp/cr.fit") 

cr *= 2**3 

 

interp += sat 

interp += cr 

 

lsst = afwImage.ImageU("%s") 

interp -= lsst 

interp.writeFits("/tmp/mask_diff.fits") 

print len(num.where(interp.getArray() != 0)[0]) 

 

""" % (infile, infile, infile, outfile) 

print(comparison)