def getSquarePixels(ra_pointing, dec_pointing, tileSide, nside, alpha = 0.2, color='#6c71c4'):
area = tileSide*tileSide
decCorners = (dec_pointing - tileSide / 2.0, dec_pointing + tileSide / 2.0)
radecs = []
for d in decCorners:
if d > 90.:
d = 180. - d
elif d < -90.:
d = -180 - d
raCorners = (ra_pointing - (tileSide / 2.0) / np.cos(np.deg2rad(d)) , ra_pointing + (tileSide / 2.0) / np.cos(np.deg2rad(d)))
for r in raCorners:
if r > 360.:
r = 720. - r
elif r < 0.:
r = 360. + r
radecs.append([r,d])
radecs = np.array(radecs)
idx1 = np.where(radecs[:,0]>=180.0)[0]
idx2 = np.where(radecs[:,0]<180.0)[0]
idx3 = np.where(radecs[:,0]>300.0)[0]
idx4 = np.where(radecs[:,0]<60.0)[0]
if (len(idx1)>0 and len(idx2)>0) and not (len(idx3)>0 and len(idx4)>0):
alpha = 0.0
idx1 = np.where((radecs[:,1]>=87.0) | (radecs[:,1]<=-87.0))[0]
if len(idx1)>0:
radecs = np.delete(radecs, idx1[0], 0)
xyz = []
for r, d in radecs:
xyz.append(hp.ang2vec(r, d, lonlat=True))
npts, junk = radecs.shape
if npts == 4:
xyz = [xyz[0], xyz[1],xyz[3], xyz[2]]
ipix = hp.query_polygon(nside, np.array(xyz))
else:
ipix = hp.query_polygon(nside, np.array(xyz))
#idx1 = np.where((radecs[:,1]>=70.0) | (radecs[:,1]<=-70.0))[0]
#idx2 = np.where((radecs[:,0]>300.0) | (radecs[:,0]<60.0))[0]
#if (len(idx1) == 0) or (len(idx2) > 0):
# return [], [], [], []
xyz = np.array(xyz)
proj = hp.projector.MollweideProj(rot=None, coord=None)
x,y = proj.vec2xy(xyz[:,0],xyz[:,1],xyz[:,2])
xy = np.zeros(radecs.shape)
xy[:,0] = x
xy[:,1] = y
path = matplotlib.path.Path(xy)
patch = matplotlib.patches.PathPatch(path, alpha=alpha, color=color, fill=True, zorder=3,)
return ipix, radecs, patch, area
def ipix_in_box(self, ra, dec, width, height, nside, nest):
"""finding the healpix indices of a given box
Parameters
----------
ra,dec,width,height : sequence, or single number
the center and size of a vertice box
nside : int
healpix nside parameter, must be a power of 2, less than 2**30
nest : bool
healpix ordering options:
if True, healpix map use `nest` ordering, otherwise, use `ring` instead
Returns
-------
ipix_in_box : list
a sequence of healpix indices
"""
v1_ra, v2_ra, v3_ra, v4_ra, v1_dec, v2_dec, v3_dec, v4_dec = \
self.vertices(ra, dec, width, height)
ra_vertices, dec_vertices = ([v1_ra, v2_ra, v4_ra, v3_ra],\
[v1_dec, v2_dec, v4_dec, v3_dec])
theta = 0.5 * np.pi - np.deg2rad(dec_vertices)
phi = np.deg2rad(ra_vertices)
xyz = hp.ang2vec(theta, phi)
if self.is_seq(ra) and self.is_seq(dec) and \
self.is_seq(width) and self.is_seq(height):
ipix_fov_box = []
for _xyz in xyz:
ipix_fov_box.append(hp.query_polygon(nside, _xyz, nest=nest))
else:
ipix_fov_box = hp.query_polygon(nside, xyz, nest=nest)
return ipix_fov_box
def make_hpmoll(d, hpx0, recov, band, f, p, sub, nside, argsMV):
hpx = np.copy(hpx0)
hpx[hpx0 != hp.UNSEEN] = hpx0[hpx0 != hp.UNSEEN] + 1
hpx[hpx > recov] = hp.UNSEEN
ra, dec = np.array([]), np.array([])
for b in band:
ra = np.concatenate((ra, d[d['band'] == b]['Ra']))
dec = np.concatenate((dec, d[d['band'] == b]['Dec']))
if len(ra) > 0:
for r, d in zip(ra, dec):
cells = p.copy()
f.to_uv(cells, (r, d))
for c in cells:
poly = np.vstack([c['p0'], c['p1'], c['p2'], c['p3']])
try:
ipix = hp.query_polygon(nside, poly, nest=True, inclusive=False)
hpx[ipix] = 0
except:
continue
argsMV['title'] = band
argsMV['sub'] = sub
hp.mollview(hpx, min=0, max=recov, **argsMV)
return hpx
def extract(self, ra, dec, width, height, keep=0):
if not self.valid:
return
if keep == 0:
self.data = Table()
polygon = SkyCoord( [ra-width/2., ra+width/2., ra+width/2., ra-width/2.],\
[dec-height/2., dec-height/2., dec+height/2., dec+height/2.],\
unit = 'deg' ).cartesian.get_xyz().T
pix = hp.query_polygon(self.NSIDE, polygon, inclusive=True, nest=True)
rangelist = self._get_tgasptyc_zone_file(pix)
f = open(self.datafile, "r")
lines = []
for r in rangelist:
f.seek(r[0] * self.linelength)
lines.append(f.read((r[1] - r[0]) * self.linelength))
f.close()
content = ''.join(lines)
reader = ascii.get_reader(Reader=ascii.Cds,
fill_values=[('', 0)],
readme=self.readmefile)
reader.data.table_name = "tgasptyc.dat"
catalog = reader.read(content)
p = catalog[ np.where( ( catalog['RAdeg'] > ra - width/2. )\
& ( catalog['RAdeg'] < ra + width/2. )\
& ( catalog['DEdeg'] > dec - height/2. )\
& ( catalog['DEdeg'] < dec + height/2. ) ) ]
self.data = astropy.table.vstack([self.data, p])
return (len(self.data))
def _get_box_pix(self, nside, ra_cent, dec_cent, width, height):
"""
Get healpix pixels overlapping a box.
Parameters
----------
nside : `int`
ra_cent : `float`
dec_cent : `float`
width : `float`
height : `float`
Returns
-------
pixels : `np.ndarray`
"""
wid = width / np.cos(np.deg2rad(dec_cent))
vertices = hp.ang2vec(np.array([ra_cent - wid/2.,
ra_cent - wid/2.,
ra_cent + wid/2.,
ra_cent + wid/2.]),
np.array([dec_cent - height/2.,
dec_cent + height/2.,
dec_cent + height/2.,
dec_cent - height/2.]),
lonlat=True)
return hp.query_polygon(nside, vertices, nest=True)
def add_poly(self, positions, depth=None):
"""
Add a single polygon to this region.
Parameters
----------
positions : [[ra, dec], ...]
Positions for the vertices of the polygon. The polygon needs to be convex and non-intersecting.
depth : int
The deepth at which the polygon will be inserted.
"""
if not (len(positions) >= 3):
raise AssertionError(
"A minimum of three coordinate pairs are required")
if depth is None or depth > self.maxdepth:
depth = self.maxdepth
ras, decs = np.array(list(zip(*positions)))
sky = self.radec2sky(ras, decs)
pix = hp.query_polygon(2**depth,
self.sky2vec(sky),
inclusive=True,
nest=True)
self.add_pixels(pix, depth)
self._renorm()
return
def main_map(fn='all_fields.npy'):
nside = 1024
m = np.zeros(hp.nside2npix(nside))
# opsim log
log = np.load(fn)
mjd_min = DateTimeFrom('2022-01-01').mjd
mjd_max = DateTimeFrom('2023-01-01').mjd
idx = (log['band'] == 'LSSTPG::i')
idx &= (log['mjd'] >= mjd_min)
idx &= (log['mjd'] <= mjd_max)
log = log[idx]
coords = np.vstack(
(log['Ra'] * DEGREE_PER_RADIAN, log['Dec'] * DEGREE_PER_RADIAN)).T
print coords.shape
f = FocalPlane()
p = f.pixellize(1, 1)
for i, (r, d) in enumerate(coords):
if i % 100 == 0:
print i, r, d
cells = p.copy()
f.to_uv(cells, (r, d))
for c in cells:
poly = np.vstack([c['p0'], c['p1'], c['p2'], c['p3']])
ipix = hp.query_polygon(nside, poly, nest=True)
m[ipix] += 1.
return m, p
def write_k2_moc(campaign=0, norder_moc=NORDER_MOC, output_fn=None):
if output_fn is None:
fieldinfo = getFieldInfo(campaign)
if "preliminary" in fieldinfo:
output_fn = "../moc/k2-footprint-c{:02d}-proposed.moc".format(campaign)
else:
output_fn = "../moc/k2-footprint-c{:02d}.moc".format(campaign)
# Obtain the footprint corners in polar coordinates
log.info("Preparing footprint polygons for C{}".format(campaign))
polygons = []
for _, channel in FOOTPRINT["c{}".format(campaign)]["channels"].items():
polygon = [np.pi/2. - np.radians(channel["corners_dec"]),
np.radians(channel["corners_ra"])]
polygons.append(polygon)
# Obtain the healpix diamonds that cover the polygons entirely
# and add these to a `MOC` object
log.info("Converting polygons into healpix format")
moc = mocpy.MOC(moc_order=norder_moc)
for p in polygons:
pix_list = hp.query_polygon(2**norder_moc,
hp.ang2vec(p[0], p[1]),
inclusive=True, nest=True)
for pix in pix_list:
moc.add_pix(norder_moc, pix)
# Finally, write the resulting MOC file to disk
log.info("Writing {}".format(output_fn))
moc.plot() # IMPORTANT! moc.write is corrupt if plot is not called first
moc.write(output_fn)
def enclosed_pixel_indices(self, nside_out):
# Sanity
if nside_out < self.nside:
raise (
"Can't get enclosed pixel indices for lower resolution pixels!"
)
if len(self.__epi) == 0:
# Start with the central pixel, in case the size of the FOV is <= the pixel size
self.__epi = np.asarray([
hp.ang2pix(self.nside, 0.5 * np.pi - self.__coord.dec.radian,
self.__coord.ra.radian)
])
pixel_xyz_vertices = hp.boundaries(self.nside, pix=self.index)
internal_pix = hp.query_polygon(nside_out,
pixel_xyz_vertices,
inclusive=False)
if len(internal_pix) > 0:
self.__epi = internal_pix
return self.__epi
def readhealcat_polygon(ra,dec,nside=32,outfile=None,path='/line12/Pan-STARRS/chunks-qz-star-v2/',silent=True,prefix='ps1-',postfix='.fits'):
"""
read the healpix catalog within a spheric rectangle
ra,dec: in degrees array
"""
ra=np.deg2rad(ra)
dec=np.deg2rad(dec)
if len(ra) != len(dec) or len(ra) < 3:
raise ValueError('ra and dec should have same size and size should > 3 to present a polygon')
x,y,z=c.spherical_to_cartesian(1.0,dec,ra)
vertices=np.array([x,y,z]).transpose()
pix=query_polygon(nside, vertices, inclusive=True)
npix=pix.size
nd=len(str(healpy.nside2npix(nside)))
if not silent:
print('Total '+str(npix)+' healpix pixels:')
cat=[]
for ipix in pix:
ipixstr='{ipix:0{width}}'.format(ipix=ipix,width=nd)
catname=os.path.join(path,prefix+ipixstr+postfix)
if not os.path.isfile(catname):
if not silent: print(catname+' not exist!')
continue
if not silent:
print('reading '+catname)
cat.append(table.Table.read(catname,format='fits'))
totalcat = []
if cat != []:
totalcat=table.vstack(cat)
if outfile is not None:
totalcat.write(outfile,format='fits',overwrite=True)
return totalcat
def pix_in_fields(self):
"""
Returns the array of pixel indices contained within the fields.
"""
return np.array([
hp.query_polygon(self.nside, coords)
for coords in self.field_coords_array
])
def makeGauss(nside, ra, dec, amp,
varparam=np.sqrt(2 * np.pi)): #bounds=None):#radius=6447797.0):
print('RA length:' + str(len(ra)))
print('dec length:' + str(len(dec)))
print('amp length:' + str(len(amp)))
raMin = min(ra) - 2.0
raMax = max(ra) + 2.0
decMin = min(dec) - 2.0
decMax = max(dec) + 2.0
#m = np.arange(hp.nside2npix(nside))
vertices = hp.ang2vec([raMin, raMin, raMax, raMax],
[decMin, decMax, decMax, decMin],
lonlat=True)
m = hp.query_polygon(nside, vertices)
m_ra, m_dec = hp.pix2ang(nside, m, lonlat=True)
m_amp = np.zeros_like(m, dtype='float64')
#ra = ra*1.0
#dec = dec*1.0
numpix = m.size
#if True: #bounds != None:
# raMin = min(ra)-2.0
# raMax = max(ra)+2.0
# decMin = min(dec)-2.0
# decMax = min(dec)+2.0
# Compute distance of center of data to each pixel
# centDist = haversine(np.full_like(m,raCent),np.full_like(m,decCent),m_ra,m_dec)
# Get indices of pixels to delete
# toDelete = [ k for (i,j,k) in zip(m_ra,m_dec,m) if i < raMin or i > raMax or j < decMin or j > decMax ]
# #m = np.delete(m, toDelete)
# m_ra = np.delete(m_ra, toDelete)
# m_dec = np.delete(m_dec, toDelete)
# m_amp = np.delete(m_amp, toDelete)
# numdeleted = str(len(toDelete))
# print(numdeleted + ' uninteresting pixels deleted of '+str(numpix))
### TO IMPLEMENT: Check ra, dec, amp are of same size
#if isinstance(ra, np.ndarray):
for rai, deci, ampi in itertools.izip(ra, dec, amp):
# Used to convert from ra/dec to pixel to vec; should not be necessary
#nearpix = hp.pix2vec(nside,hp.ang2pix(nside,rai,deci,lonlat=True))
nearpix = hp.ang2vec(rai, deci, lonlat=True)
# Calculate Gaussian on pixels within following radius (in degrees)
radius = 3.0 / 60.0 # Hard-coded; remove eventually
pxls = hp.query_disc(nside, nearpix, radius * np.pi / 180.0)
indices = np.searchsorted(m, pxls)
near_ra, near_dec = hp.pix2ang(nside, pxls, lonlat=True)
#print('Using nearest '+str(len(near_ra))+' pixels to source.')
#near_ra = m_ra[pxls]
#near_dec = m_dec[pxls]
m_dist = np.zeros_like(near_ra)
var = varparam * 1.0
m_dist = haversine(np.full_like(near_ra, rai),
np.full_like(near_ra, deci), near_ra, near_dec)
m_amp[indices] += computeGauss(ampi, m_dist, var)
print('makeGauss output length: ' + str(m_ra.size))
return m_ra, m_dec, m_dist, m_amp
def integrate_intensity_map(Imap,nside,latmin=-2,latmax=2. ,nsteps_long=500,rad_units=False,planck_map=False):
"""
Compute the integral of the intensity map along latitude and longitude; to compare observed
intensity map and the model one.
To check consistency of the model we compute the integral as in eqs.(6) and (7) of
`Puglisi+ 2017 <http://arxiv.org/abs/1701.07856>`_.
*Parameters*
- `Imap`:{array}
intensity map
- `nside`: {int}
:mod:`healpy` gridding parameter
- `latmin`, `latmax`:{double}
minimum and maximum latitudes in `degree` where to perform the integral (default :math:`\pm 2\, deg`)
if you have the angles in radiants set `rad_units` to `True`.
- `nsteps_long`:{int}
number of longitudinal bins, (default 500)
- `planck_map`:{bool}
if set to `True`, it sets to zero all the :mod:`healpy.UNSEEN` masked pixels of the map,
(useful when dealing with observational maps).
**Returns**
- `I_l` :{array}
latitude integration within the set interval :math:`[b_{min}, b_{max}]`
- `I_tot`:{double}
integration of `I_l` in :math:`\ell \in [0,2 \pi]`.
"""
if planck_map:
arr=np.ma.masked_equal(Imap,hp.UNSEEN)
Imap[arr.mask]=0.
if not rad_units:
latmin=np.pi/2.+(np.deg2rad(latmin))
latmax=np.pi/2.+(np.deg2rad(latmax))
nbins_long=nsteps_long-1
long_edges=np.linspace(0.,2*np.pi,num=nsteps_long)
long_centr=[.5*(long_edges[i]+ long_edges[i+1]) for i in range(nbins_long)]
listpix=[]
for i in range(nbins_long):
v=[ hp.ang2vec(latmax, long_edges[i]),
hp.ang2vec(latmax, long_edges[i+1]),
hp.ang2vec(latmin, long_edges[i+1]),
hp.ang2vec(latmin, long_edges[i])]
listpix.append(hp.query_polygon(nside,v))
delta_b=pixelsize(nside,arcmin=False)
delta_l=2*np.pi/nbins_long
I_l=[sum(Imap[l])*delta_b for l in listpix ]
Itot= sum(I_l)*delta_l
return Itot,I_l
def query_polygon(RA_right, RA_left, DEC_bottom, DEC_top, NSIDE):
Ra_arr = np.array([RA_left, RA_right, RA_right, RA_left]) #Массивы координат, задающих вершины прямоугольника на сфере
Dec_arr = np.array([DEC_top, DEC_top, DEC_bottom, DEC_bottom])
astropy_array = astropy.coordinates.spherical_to_cartesian(1, np.deg2rad(Dec_arr), np.deg2rad(Ra_arr))
vertex_array = np.array(astropy_array) #Декартовы координаты вершин прямоугольника
heal_indexes = hp.query_polygon(NSIDE, vertex_array.T, nest=True)
return(heal_indexes)
def natural_order(nside, ind, subn):
assert nside <= subn
if subn == nside:
return np.array([ind])
sub = hp.query_polygon(2 * nside,
hp.boundaries(nside, ind, nest=True).T,
nest=True)
assert len(sub) == 4
r = [natural_order(nside * 2, s, subn) for s in np.sort(sub)]
return np.vstack((np.hstack((r[0], r[1])), np.hstack((r[2], r[3]))))
def get_tile_pixels(self, nside, corners):
"""Return pixels contained in a tile defined by its corner coordinates"""
#conversion to vectors using healpy function
xyz = []
for i in range(len(corners)):
xyz.append(hp.ang2vec(corners[i][0], corners[i][1], lonlat=True))
tile_pixels = hp.query_polygon(nside, np.array(xyz), inclusive=False)
return tile_pixels
def __ipix_sum(self, ra_vertices, dec_vertices):
"""Return the ipix sum inside a polygon."""
theta = 0.5 * np.pi - np.deg2rad(dec_vertices)
phi = np.deg2rad(ra_vertices)
xyz = hp.ang2vec(theta, phi)
ipix_poly = hp.query_polygon(self.nside, xyz)
ipix_sum_polygon = self.prob[ipix_poly].sum()
return ipix_sum_polygon
def probability_inside_box(self, infile, ra_vertices, dec_vertices):
"""Return the probability inside a polygon."""
prob = hp.read_map(self.skymap, verbose=False)
theta = 0.5 * np.pi - np.deg2rad(dec_vertices)
phi = np.deg2rad(ra_vertices)
xyz = hp.ang2vec(theta, phi)
ipix_poly = hp.query_polygon(self.nside, xyz)
probability_inside_polygon = prob[ipix_poly].sum()
return probability_inside_polygon
def enclosed_pixel_indices(self):
if len(self.__enclosed_pixel_indices) == 0:
# Start with the central pixel, in case the size of the FOV is <= the pixel size
self.__enclosed_pixel_indices = np.asarray(
[hp.ang2pix(self.nside, 0.5 * np.pi - self.dec_rad, self.ra_rad)])
internal_pix = hp.query_polygon(self.nside, self.corner_xyz, inclusive=False)
# However, if there is at least one pixel returned from query_polygon, use that array
if len(internal_pix) > 0:
self.__enclosed_pixel_indices = internal_pix
return self.__enclosed_pixel_indices
def probability_inside_box(self, infile, ra_vertices, dec_vertices):
"""Return the probability inside a polygon."""
prob = hp.read_map(self.skymap, verbose=False)
theta = 0.5 * np.pi - np.deg2rad(dec_vertices)
phi = np.deg2rad(ra_vertices)
xyz = hp.ang2vec(theta, phi)
ipix_poly = hp.query_polygon(self.nside, xyz)
probability_inside_polygon = prob[ipix_poly].sum()
return probability_inside_polygon
def warp_source_files(fnames, work_dir, pixel_order, tile_order):
tile_nside = healpy.order2nside(tile_order)
for fname in fnames:
with afits.open(fname) as hdul:
src = Source(find_image_hdu(hdul))
tile_indices = healpy.query_polygon(tile_nside,
ad2xyz(*src.polygon).T,
nest=True)
logging.info('{} tiles'.format(len(tile_indices)))
def warp(tile_index):
logging.info('warping {}:{}...'.format(fname, tile_index))
src.warp(work_dir, tile_order, tile_index, pixel_order)
parallel.map(warp, tile_indices)
def pixInTile(tile_corners, nside):
"""Return the pixels inside a Tile."""
ra = np.array([
tile_corners[0][0], tile_corners[1][0], tile_corners[3][0],
tile_corners[2][0]
])
dec = np.array([
tile_corners[0][1], tile_corners[1][1], tile_corners[3][1],
tile_corners[2][1]
])
phi, theta = ra * np.pi / 180., (90. - dec) * np.pi / 180.
vertices = hp.ang2vec(theta, phi)
pixIn = hp.query_polygon(nside, vertices, inclusive=False, nest=False)
return pixIn
def get_quadrant_ipix(nside, ra, dec):
ccd_coords = get_decam_ccds(ra, dec)
skyoffset_frames = SkyCoord(ra, dec, unit=u.deg).skyoffset_frame()
ccd_coords_icrs = SkyCoord(
*np.tile(ccd_coords[:, np.newaxis, ...], (1, 1, 1)),
unit=u.deg,
frame=skyoffset_frames[:, np.newaxis, np.newaxis]).transform_to(ICRS)
ccd_xyz = np.moveaxis(ccd_coords_icrs.cartesian.xyz.value, 0, -1)[0]
ipixs = []
for subfield_id, xyz in enumerate(ccd_xyz):
ipix = hp.query_polygon(nside, xyz)
ipixs.append(ipix.tolist())
return ipixs
def readhealcat_rectangle(ra,dec,width=(0.6,0.6),nside=32,outfile=None,path='/line12/Pan-STARRS/chunks-qz-star-v2/',silent=True,prefix='ps1-',postfix='.fits',slim=False):
"""
read the healpix catalog within a spheric rectangle
ra,dec: in degrees array
"""
if np.isscalar(width) or len(width) == 1:
width=(width,width)
ra=np.deg2rad(ra)
dec=np.deg2rad(dec)
wra=np.deg2rad(width[0]/np.cos(dec))
wdec=np.deg2rad(width[1])
ra1=ra-wra/2.0
dec1=dec-wdec/2.0
ra2=ra-wra/2.0
dec2=dec+wdec/2.0
ra3=ra+wra/2.0
dec3=dec+wdec/2.0
ra4=ra+wra/2.0
dec4=dec-wdec/2.0
x,y,z=c.spherical_to_cartesian(1.0,[dec1,dec2,dec3,dec4],[ra1,ra2,ra3,ra4])
vertices=np.array([x,y,z]).transpose()
pix=query_polygon(nside, vertices, inclusive=True)
npix=pix.size
nd=len(str(healpy.nside2npix(nside)))
if not silent:
print('Total '+str(npix)+' healpix pixels:')
cat=[]
for ipix in pix:
ipixstr='{ipix:0{width}}'.format(ipix=ipix,width=nd)
catname=os.path.join(path,prefix+ipixstr+postfix)
if not os.path.isfile(catname):
if not silent: print(catname+' not exist!')
continue
if not silent:
print('reading '+catname)
cat.append(table.Table.read(catname,format='fits'))
totalcat = []
if cat != []:
totalcat=table.vstack(cat)
if slim:
mask=(totalcat['RA'] > np.rad2deg(ra1)) & (totalcat['RA'] < np.rad2deg(ra3)) & (totalcat['DEC'] > np.rad2deg(dec1)) & (totalcat['DEC'] < np.rad2deg(dec3))
totalcat=totalcat[mask]
if totalcat != [] and outfile is not None:
totalcat.write(outfile,format='fits',overwrite=True)
return totalcat
def add_poly(self,positions,depth=None):
"""
Add a single polygon to this region
:param positions: list of [ (ra,dec), ... ] positions that form the polygon
:param depth: The depth at which we wish to represent the circle (forced to be <=maxdepth
:return: None
"""
assert len(positions)>=3, "A minimum of three coordinate pairs are required"
if depth==None or depth>self.maxdepth:
depth=self.maxdepth
ras,decs =zip(*positions)
sky=self.radec2sky(ras,decs)
pix=hp.query_polygon(2**depth,self.sky2vec(sky),inclusive=True,nest=True)
self.add_pixels(pix,depth)
self._renorm()
return
def modify_map(hpmap, value_to_fill):
global fig, cid, coords
coords = []
fig = plt.figure()
hp.mollview(hpmap, fig=fig.number)
cid = fig.canvas.mpl_connect('button_press_event', onclick)
raw_input()
print coords
line, = plt.plot(coords[0][0], coords[0][1]) # empty line
linebuilder = LineBuilder(line)
raw_input()
coords = np.array(coords)
coords = np.delete(coords, -1, 0)
vec = transform_coords(coords)
nside = hp.npix2nside(len(hpmap))
to_mask = hp.query_polygon(nside, vec)
map_out = np.copy(hpmap)
map_out[to_mask] = value_to_fill
return map_out
def get_quadrant_ipix(nside, field_id, ra, dec):
ipixs = []
tile = QuadProb(field_id, ra, dec)
Z = ZTFtile(ra, dec)
quad_cents_RA, quad_cents_Dec = Z.quadrant_centers()
quadIndices = np.arange(64)
for quadrant_id in quadIndices:
thisQuad = tile.getWCS(quad_cents_RA[quadrant_id],
quad_cents_Dec[quadrant_id])
footprint = thisQuad.calc_footprint(axes=tile.quadrant_size)
xyz = []
for r, d in footprint:
xyz.append(hp.ang2vec(r, d, lonlat=True))
ipix = hp.query_polygon(nside, np.array(xyz)).tolist()
ipixs.append(ipix)
return ipixs
def get_quadrant_ipix(nside, ra, dec, subfield_ids=None):
quadrant_coords = get_ztf_quadrants()
skyoffset_frames = SkyCoord(ra, dec, unit=u.deg).skyoffset_frame()
quadrant_coords_icrs = SkyCoord(
*np.tile(quadrant_coords[:, np.newaxis, ...], (1, 1, 1)),
unit=u.deg,
frame=skyoffset_frames[:, np.newaxis, np.newaxis]).transform_to(ICRS)
quadrant_xyz = np.moveaxis(quadrant_coords_icrs.cartesian.xyz.value, 0,
-1)[0]
ipixs = []
for subfield_id, xyz in enumerate(quadrant_xyz):
if not subfield_ids is None:
if not subfield_id in subfield_ids:
continue
ipix = hp.query_polygon(nside, xyz)
ipixs.append(ipix.tolist())
return ipixs
def gen_catalog_bin(ngal):
"""
Generate a random catalog for a single bin using healpy routines
:param ngal: The number of galaxies per pixel
:type ngal: :class:`lsssys.Map`
:return: The right ascension and declination of the generated catalog
:rtype: ``tuple`` of 2 :class:`numpy.ndarray` of ``float``
"""
pix = np.where(ngal.data > 0.)[0]
n_gal = ngal.data[pix].astype(int)
highres_nside = ngal.nside * next_power_of_2(2 * n_gal.max())
pix_nest = hp.ring2nest(ngal.nside, pix)
corners = np.array(
[c.T for c in hp.boundaries(ngal.nside, pix_nest, nest=True)])
high_res_pix = np.concatenate([
np.random.choice(hp.query_polygon(highres_nside, corn, nest=True), n)
for corn, n in zip(corners, n_gal)
])
hpix_highres = hu.HealPix("nest", highres_nside)
return hpix_highres.pix2eq(high_res_pix)
def readps1_rectangle(ra,dec,width=(0.6,0.6),outfile=None,path='/line12/Pan-STARRS/chunks-qz-star-v2/',silent=True):
"""
read the PS1 catalog within a spheric rectangle
ra,dec: in degrees array
"""
if np.isscalar(width) or len(width) == 1:
width=(width,width)
ra=np.deg2rad(ra)
dec=np.deg2rad(dec)
wra=np.deg2rad(width[0]/np.cos(dec))
wdec=np.deg2rad(width[1])
ra1=ra-wra/2.0
dec1=dec-wdec/2.0
ra2=ra-wra/2.0
dec2=dec+wdec/2.0
ra3=ra+wra/2.0
dec3=dec+wdec/2.0
ra4=ra+wra/2.0
dec4=dec-wdec/2.0
x,y,z=c.spherical_to_cartesian(1.0,[dec1,dec2,dec3,dec4],[ra1,ra2,ra3,ra4])
vertices=np.array([x,y,z]).transpose()
pix=query_polygon(32, vertices, inclusive=True)
npix=pix.size
if not silent:
print('Total '+str(npix)+' healpix pixels:')
cat=[]
for ipix in pix:
catname=os.path.join(path,'ps1-'+'%5.5d'%ipix+'.fits')
if not os.path.isfile(catname):
continue
if not silent:
print('reading '+catname)
cat.append(table.Table.read(catname,format='fits'))
totalcat = []
if cat != []:
totalcat=table.vstack(cat)
if outfile is not None:
totalcat.write(outfile,format='fits',overwrite=True)
return totalcat
def add_poly(self, positions, depth=None):
"""
Add a single polygon to this region
:param positions: list of [ (ra,dec), ... ] positions that form the polygon
:param depth: The depth at which we wish to represent the circle (forced to be <=maxdepth
:return: None
"""
assert len(
positions) >= 3, "A minimum of three coordinate pairs are required"
if depth == None or depth > self.maxdepth:
depth = self.maxdepth
ras, decs = zip(*positions)
sky = self.radec2sky(ras, decs)
pix = hp.query_polygon(2**depth,
self.sky2vec(sky),
inclusive=True,
nest=True)
self.add_pixels(pix, depth)
self._renorm()
return
def extract(self, ra, dec, width, height, keep=0):
if not self.valid:
return
if keep == 0:
self.data = Table()
polygon = SkyCoord( [ra-width/2., ra+width/2., ra+width/2., ra-width/2.],\
[dec-height/2., dec-height/2., dec+height/2., dec+height/2.],\
unit = 'deg' ).cartesian.get_xyz().T
pix = hp.query_polygon(self.NSIDE, polygon, inclusive=True, nest=True)
source_id_min = pix * 2**35 * 4**(12 - self.LEVEL)
source_id_max = (pix + 1) * 2**35 * 4**(12 - self.LEVEL)
filelist = self._get_gaia1_zone_file(source_id_min, source_id_max)
for f in filelist:
catalog = Table.read(f['col0'], format=self.fmt)
p = catalog[ np.where( ( catalog['ra'] > ra - width/2. )\
& ( catalog['ra'] < ra + width/2. )\
& ( catalog['dec'] > dec - height/2. )\
& ( catalog['dec'] < dec + height/2. ) ) ]
self.data = astropy.table.vstack([self.data, p])
return (len(self.data))
def gen_map_polygon(vertices, nside):
'''Generates a Healpix map with the only non-zero values in the pixels
inside the input polygon
Parameters
----------
vertices : array-like with shape (n,2) or (2,n)
The lon,lat vertices of the polygon in degrees. n >= 3
nside : int
The nside of the output Healpix map
Returns
-------
hpx_map : array-like
A Healpix map with non-zero values inside the polygon
'''
vertices = np.array(vertices)
if vertices.shape[1] != 2:
vertices = np.transpose(vertices)
if vertices.shape[1] != 2:
raise ValueError("Need a n x 2 or 2 x n input vertices array")
thetas = np.pi / 2 - np.radians(vertices[:, 1])
phis = np.radians(vertices[:, 0])
vecs = H.ang2vec(thetas, phis)
ipix = H.query_polygon(nside, vecs)
hpx_map = np.zeros(H.nside2npix(nside))
hpx_map[ipix] = 1.0
return hpx_map
def get_pixels(self, *, nside):
"""
get the pixels associated with this polygon
Parameters
----------
nside: int
Nside for the pixels
"""
try:
pixels = hp.query_polygon(
nside,
self._vertices,
nest=True,
inclusive=False,
)
except RuntimeError:
# healpy raises a RuntimeError with no information attached in the
# string, but this seems to always be a non-convex polygon
raise ValueError('polygon is not convex: %s' % repr(self))
return pixels
def gen_map_polygon(vertices, nside):
'''Generates a Healpix map with the only non-zero values in the pixels
inside the input polygon
Parameters
----------
vertices : array-like with shape (n,2) or (2,n)
The lon,lat vertices of the polygon in degrees. n >= 3
nside : int
The nside of the output Healpix map
Returns
-------
hpx_map : array-like
A Healpix map with non-zero values inside the polygon
'''
vertices = np.array(vertices)
if vertices.shape[1] != 2:
vertices = np.transpose(vertices)
if vertices.shape[1] != 2:
raise ValueError("Need a n x 2 or 2 x n input vertices array")
thetas = np.pi/2 - np.radians(vertices[:, 1])
phis = np.radians(vertices[:, 0])
vecs = H.ang2vec(thetas, phis)
ipix = H.query_polygon(nside, vecs)
hpx_map = np.zeros(H.nside2npix(nside))
hpx_map[ipix] = 1.0
return hpx_map
# check that the cutout is entirely within the quadrant
patchFits = np.sum(latEdges < 0.) + np.sum(latEdges > 90.) + np.sum(
lonEdges < 0.) + np.sum(lonEdges > 90.)
patchFits = patchFits == 0.
# if it fits
#if patchFits and nPatches>=17:
if patchFits:
nPatches += 1
#if nPatches>=17:
#if nPatches>=30:
# plot the footprint
xyz = hp.ang2vec(lonEdges, latEdges, lonlat=True)
I = hp.query_polygon(nSide, xyz)
hMap[I] += 1.
# extract the cutouts
pos = np.array([lonCenter, latCenter, 0.])
# Official T map
cutSehgalTMap = hp.visufunc.cartview(sehgalTMap,
rot=pos,
lonra=lonRange,
latra=latRange,
xsize=xSize,
ysize=ySize,
return_projected_map=True,
norm='hist')
plt.close()
# T map
def create_all():
db.create_all(bind=None)
telescopes = ["ZTF", "Gattini", "DECam", "KPED", "GROWTH-India"]
available_filters = {
"ZTF": ["g", "r", "i"],
"Gattini": ["J"],
"DECam": ["g", "r", "i", "z"],
"KPED": ["U", "g", "r", "i"],
"GROWTH-India": ["g", "r", "i", "z"]
}
plan_args = {
'ZTF': {
'filt': ['g', 'r', 'g'],
'exposuretimes': [300.0, 300.0, 300.0],
'doReferences': True,
'doUsePrimary': True,
'doBalanceExposure': False,
'doDither': False,
'usePrevious': False,
'doCompletedObservations': False,
'doPlannedObservations': False,
'cobs': [None, None],
'schedule_type': 'greedy',
'filterScheduleType': 'block',
'airmass': 2.5,
'schedule_strategy': 'tiling',
'mindiff': 30. * 60.,
'doMaxTiles': False,
'max_nb_tiles': 1000,
'doRASlice': True,
'raslice': [0.0, 24.0],
},
'DECam': {
'filt': ['g', 'z'],
'exposuretimes': [25.0, 25.0],
'doReferences': True,
'doUsePrimary': False,
'doBalanceExposure': False,
'doDither': True,
'usePrevious': False,
'doCompletedObservations': False,
'doPlannedObservations': False,
'cobs': [None, None],
'schedule_type': 'greedy_slew',
'filterScheduleType': 'integrated',
'airmass': 2.5,
'schedule_strategy': 'tiling',
'mindiff': 30. * 60.,
'doMaxTiles': False,
'max_nb_tiles': 1000,
'doRASlice': True,
'raslice': [0.0, 24.0],
},
'Gattini': {
'filt': ['J'],
'exposuretimes': [300.0],
'doReferences': False,
'doUsePrimary': False,
'doBalanceExposure': False,
'doDither': False,
'usePrevious': False,
'doCompletedObservations': False,
'doPlannedObservations': False,
'cobs': [None, None],
'schedule_type': 'greedy',
'filterScheduleType': 'block',
'airmass': 2.5,
'schedule_strategy': 'tiling',
'mindiff': 30. * 60.,
'doMaxTiles': False,
'max_nb_tiles': 1000,
'doRASlice': True,
'raslice': [0.0, 24.0]
},
'KPED': {
'filt': ['r'],
'exposuretimes': [300.0],
'doReferences': False,
'doUsePrimary': False,
'doBalanceExposure': False,
'doDither': False,
'usePrevious': False,
'doCompletedObservations': False,
'doPlannedObservations': False,
'cobs': [None, None],
'schedule_type': 'greedy',
'filterScheduleType': 'integrated',
'airmass': 2.5,
'schedule_strategy': 'catalog',
'mindiff': 30. * 60.,
'doMaxTiles': False,
'max_nb_tiles': 1000,
'doRASlice': True,
'raslice': [0.0, 24.0]
},
'GROWTH-India': {
'filt': ['r'],
'exposuretimes': [300.0],
'doReferences': False,
'doUsePrimary': False,
'doBalanceExposure': False,
'doDither': False,
'usePrevious': False,
'doCompletedObservations': False,
'doPlannedObservations': False,
'cobs': [None, None],
'schedule_type': 'greedy',
'filterScheduleType': 'integrated',
'airmass': 2.5,
'schedule_strategy': 'catalog',
'mindiff': 30. * 60.,
'doMaxTiles': False,
'max_nb_tiles': 1000,
'doRASlice': True,
'raslice': [0.0, 24.0]
}
}
with tqdm(telescopes) as telescope_progress:
for tele in telescope_progress:
telescope_progress.set_description('populating {}'.format(tele))
filename = pkg_resources.resource_filename(__name__,
'input/%s.ref' % tele)
if os.path.isfile(filename):
refstable = table.Table.read(filename,
format='ascii',
data_start=2,
data_end=-1)
refs = table.unique(refstable, keys=['field', 'fid'])
if "maglimcat" not in refs.columns:
refs["maglimcat"] = np.nan
reference_images = {
group[0]['field']: group['fid'].astype(int).tolist()
for group in refs.group_by('field').groups
}
reference_mags = {
group[0]['field']: group['maglimcat'].tolist()
for group in refs.group_by('field').groups
}
else:
reference_images = {}
reference_mags = {}
tesspath = 'input/%s.tess' % tele
try:
tessfile = app.open_instance_resource(tesspath)
except IOError:
tessfile = pkg_resources.resource_stream(__name__, tesspath)
tessfilename = tessfile.name
tessfile.close()
fields = np.recfromtxt(tessfilename,
usecols=range(3),
names=['field_id', 'ra', 'dec'])
with pkg_resources.resource_stream(__name__,
'config/%s.config' % tele) as g:
config_struct = {}
for line in g.readlines():
line_without_return = line.decode().split("\n")
line_split = line_without_return[0].split(" ")
line_split = list(filter(None, line_split))
if line_split:
try:
config_struct[line_split[0]] = float(line_split[1])
except ValueError:
config_struct[line_split[0]] = line_split[1]
db.session.merge(
Telescope(telescope=tele,
lat=config_struct["latitude"],
lon=config_struct["longitude"],
elevation=config_struct["elevation"],
timezone=config_struct["timezone"],
filters=available_filters[tele],
default_plan_args=plan_args[tele]))
for field_id, ra, dec in tqdm(fields, 'populating fields'):
ref_filter_ids = reference_images.get(field_id, [])
ref_filter_mags = []
for val in reference_mags.get(field_id, []):
ref_filter_mags.append(val)
bands = {1: 'g', 2: 'r', 3: 'i', 4: 'z', 5: 'J'}
ref_filter_bands = [bands.get(n, n) for n in ref_filter_ids]
if config_struct["FOV_type"] == "square":
ipix, radecs, patch, area = gwemopt.utils.getSquarePixels(
ra, dec, config_struct["FOV"], Localization.nside)
elif config_struct["FOV_type"] == "circle":
ipix, radecs, patch, area = gwemopt.utils.getCirclePixels(
ra, dec, config_struct["FOV"], Localization.nside)
if len(radecs) == 0:
continue
corners = np.vstack((radecs, radecs[0, :]))
if corners.size == 10:
corners_copy = copy.deepcopy(corners)
corners[2] = corners_copy[3]
corners[3] = corners_copy[2]
contour = {
'type': 'Feature',
'geometry': {
'type': 'MultiLineString',
'coordinates': [corners.tolist()]
},
'properties': {
'telescope': tele,
'field_id': int(field_id),
'ra': ra,
'dec': dec,
'depth': dict(zip(ref_filter_bands, ref_filter_mags))
}
}
db.session.merge(
Field(telescope=tele,
field_id=int(field_id),
ra=ra,
dec=dec,
contour=contour,
reference_filter_ids=ref_filter_ids,
reference_filter_mags=ref_filter_mags,
ipix=ipix.tolist()))
if tele == "ZTF":
quadrant_coords = get_ztf_quadrants()
skyoffset_frames = coordinates.SkyCoord(
fields['ra'], fields['dec'], unit=u.deg).skyoffset_frame()
quadrant_coords_icrs = coordinates.SkyCoord(
*np.tile(quadrant_coords[:, np.newaxis, ...],
(len(fields), 1, 1)),
unit=u.deg,
frame=skyoffset_frames[:, np.newaxis,
np.newaxis]).transform_to(
coordinates.ICRS)
quadrant_xyz = np.moveaxis(
quadrant_coords_icrs.cartesian.xyz.value, 0, -1)
for field_id, xyz in zip(
tqdm(fields['field_id'], 'populating subfields'),
quadrant_xyz):
for ii, xyz in enumerate(xyz):
ipix = hp.query_polygon(Localization.nside, xyz)
db.session.merge(
SubField(telescope=tele,
field_id=int(field_id),
subfield_id=int(ii),
ipix=ipix.tolist()))
import pandas as pd
# data file created by get_data.py
df = pd.read_csv('/global/u2/z/zdu863/notebooks/project/butler_all.csv',
index_col=0)
# ra and dec of run 1.2i WFD field corners
wfd_ra = np.array([52.25, 52.11, 58.02, 57.87])
wfd_dec = np.array([-27.25, -32.25, -32.25, -27.25])
nsideCoverage = 32
nsideSparse = 2048
# get the the pixel indices within the DC2 1.2 field
field_ang = np.array([np.radians(90 - wfd_dec), np.radians(wfd_ra)])
ipix_infield = hp.query_polygon(nsideSparse,
hp.ang2vec(*field_ang),
nest=True,
inclusive=True)
Nmpix = len(ipix_infield)
datanames = [
'fiveSigmaDepth', 'airmass', 'rawSeeing', 'finSeeing', 'bg_mean', 'bg_var',
'zp', 'zp_err'
]
Nname = len(datanames)
bands = ['u', 'g', 'r', 'i', 'z', 'y']
nvisit = {b: np.zeros(Nmpix) for b in bands}
mp = {b: np.zeros([Nname, Nmpix]) for b in bands}
percent = 10
print('Computing systematic maps...')
# loop over all visits in the data file
def annotate_exposures(
self,
exposures,
pointingSide
):
"""
*generate a the likeihood coverage of an exposure*
**Key Arguments:**
- ``exposures`` -- a dictionary of exposures with the unique exposures IDs as keys and (ra, dec) as tuple value.
- ``squareSize`` -- the size of the FOV of the exposure/skycell
**Return:**
- ``exposureIDs`` -- a list of the exposureIDs as they appear in the original input exposure dictionary
- ``pointingSide`` -- a list of total likeihood coverage of the exposures
**Usage:**
See class docstring
"""
self.log.debug('starting the ``annotate`` method')
nside, hpixArea, aMap, healpixIds, wr, wd = self._create_healpixid_coordinate_grid()
exposureIDs = []
ra = []
dec = []
exposureIDs = []
exposureIDs[:] = [t for t in exposures.keys()]
ra = []
dec = []
ra[:] = [r[0] for r in exposures.values()]
dec[:] = [d[1] for d in exposures.values()]
probs = []
for e, pra, pdec in zip(exposureIDs, ra, dec):
# DETERMINE THE CORNERS FOR EACH ATLAS EXPOSURE AS MAPPED TO THE
# SKY
decCorners = (pdec - pointingSide / 2,
pdec + pointingSide / 2)
corners = []
for d in decCorners:
if d > 90.:
d = 180. - d
elif d < -90.:
d = -180 - d
raCorners = (pra - (pointingSide / 2) / np.cos(d * self.DEG_TO_RAD_FACTOR),
pra + (pointingSide / 2) / np.cos(d * self.DEG_TO_RAD_FACTOR))
for r in raCorners:
if r > 360.:
r = 720. - r
elif r < 0.:
r = 360. + r
corners.append(hp.ang2vec(r, d, lonlat=True))
# FLIP CORNERS 3 & 4 SO HEALPY UNDERSTANDS POLYGON SHAPE
corners = [corners[0], corners[1],
corners[3], corners[2]]
# RETURN HEALPIXELS IN EXPOSURE AREA
expPixels = hp.query_polygon(nside, np.array(
corners))
expProb = []
expProb[:] = [aMap[i] for i in expPixels]
expProb = sum(expProb)
probs.append(expProb)
self.log.debug('completed the ``annotate`` method')
return exposureIDs, probs
def get(self):
"""
*get the survey footprint stats and print to screen/file*
**Return:**
- ``None``
"""
self.log.debug('starting the ``get`` method')
# GRAB METADATA FROM THE DATABASES
this = plot_wave_observational_timelines(
log=self.log, settings=self.settings)
plotParameters, ps1Transients, ps1Pointings, altasPointings, atlasTransients = this.get_gw_parameters_from_settings(
gwid=self.gwid,
stackOnly=False)
if self.telescope == "atlas":
pointings = altasPointings
pointingSide = 5.46
if self.telescope == "ps1":
pointings = ps1Pointings
pointingSide = 0.4
telescope = self.telescope.upper()
# SORT ALL POINTINGS VIA MJD
pointings = sorted(list(pointings),
key=itemgetter('mjd'), reverse=False)
nside, hpixArea, aMap, healpixIds, wr, wd = self._create_healpixid_coordinate_grid()
print "EXPID, RA, DEC, MJD, EXPTIME, FILTER, LIM-MAG, EXP-AREA, EXP-LIKELIHOOD, CUM-AREA, CUM-LIKELIHOOD" % locals()
allHealpixIds = np.array([])
dictList = []
iindex = 0
count = len(pointings)
cumArea = 0
cumProb = 0
for pti, pt in enumerate(pointings):
pti = pti + 1
if pti > 1:
# Cursor up one line and clear line
sys.stdout.write("\x1b[1A\x1b[2K")
percent = (float(pti) / float(count)) * 100.
print '%(pti)s/%(count)s (%(percent)1.1f%% done): summing total area and likelihood covered by %(telescope)s' % locals()
thisDict = collections.OrderedDict(sorted({}.items()))
pra = pt["raDeg"]
pdec = pt["decDeg"]
pmjd = pt["mjd"]
pexpid = pt["exp_id"]
pexptime = pt["exp_time"]
pfilter = pt["filter"]
plim = pt["limiting_magnitude"]
# DETERMINE THE CORNERS FOR EACH ATLAS EXPOSURE AS MAPPED TO THE
# SKY
decCorners = (pdec - pointingSide / 2,
pdec + pointingSide / 2)
corners = []
for d in decCorners:
if d > 90.:
d = 180. - d
elif d < -90.:
d = -180 - d
raCorners = (pra - (pointingSide / 2) / np.cos(d * self.DEG_TO_RAD_FACTOR),
pra + (pointingSide / 2) / np.cos(d * self.DEG_TO_RAD_FACTOR))
for r in raCorners:
if r > 360.:
r = 720. - r
elif r < 0.:
r = 360. + r
corners.append(hp.ang2vec(r, d, lonlat=True))
# FLIP CORNERS 3 & 4 SO HEALPY UNDERSTANDS POLYGON SHAPE
corners = [corners[0], corners[1],
corners[3], corners[2]]
# RETURN HEALPIXELS IN EXPOSURE AREA
expPixels = hp.query_polygon(nside, np.array(
corners))
expProb = []
expProb[:] = [aMap[i] for i in expPixels]
expProb = sum(expProb)
expArea = len(expPixels) * hpixArea
if expProb / expArea < 2e-6:
continue
pindex = "%(iindex)05d" % locals()
iindex += 1
allHealpixIds = np.append(allHealpixIds, expPixels)
allHealpixIds = np.unique(allHealpixIds)
cumProb = []
cumProb[:] = [aMap[int(i)] for i in allHealpixIds]
cumProb = sum(cumProb)
cumArea = len(allHealpixIds) * hpixArea
thisDict["INDEX"] = pindex
thisDict["EXPID"] = pexpid
thisDict["RA"] = "%(pra)5.5f" % locals()
thisDict["DEC"] = "%(pdec)5.5f" % locals()
thisDict["MJD"] = "%(pmjd)6.6f" % locals()
thisDict["EXPTIME"] = "%(pexptime)02.1f" % locals()
thisDict["FILTER"] = pfilter
try:
thisDict["LIM-MAG"] = "%(plim)5.2f" % locals()
except:
thisDict["LIM-MAG"] = "NaN"
# thisDict["EXP-AREA"] = expArea
# thisDict["EXP-LIKELIHOOD"] = expProb
thisDict["CUM-AREA"] = "%(cumArea)05.2f" % locals()
thisDict["CUM-LIKELIHOOD"] = "%(cumProb)05.2f" % locals()
dictList.append(thisDict)
if not len(dictList):
thisDict = {}
thisDict["INDEX"] = "NULL"
thisDict["EXPID"] = "NULL"
thisDict["RA"] = "NULL"
thisDict["DEC"] = "NULL"
thisDict["MJD"] = "NULL"
thisDict["EXPTIME"] = "NULL"
thisDict["FILTER"] = "NULL"
thisDict["LIM-MAG"] = "NULL"
dictList.append(thisDict)
print "AREA: %(cumArea)0.2f. PROB: %(cumProb)0.5f" % locals()
printFile = self.settings["output directory"] + "/" + \
self.gwid + "/" + self.gwid + "-" + self.telescope + "-coverage-stats.csv"
# RECURSIVELY CREATE MISSING DIRECTORIES
if not os.path.exists(self.settings["output directory"] + "/" + self.gwid):
os.makedirs(self.settings["output directory"] + "/" + self.gwid)
dataSet = list_of_dictionaries(
log=self.log,
listOfDictionaries=dictList,
)
csvData = dataSet.csv(filepath=printFile)
print "The coverage stats file was written to `%(printFile)s`" % locals()
self.log.debug('completed the ``get`` method')
return None
width = 10
poles_margin = 0.1
halfwidth = width/2
for theta in range(halfwidth, 180, width):
for phi in range(halfwidth, 360, width):
filename = "plancktest/submaps/%03d_%03d_%03d" % (freq, theta, phi)
print filename
vertex_angles = np.radians(
[[theta-halfwidth, phi-halfwidth],
[theta+halfwidth, phi-halfwidth],
[theta+halfwidth, phi+halfwidth],
[theta-halfwidth, phi+halfwidth]])
if theta - halfwidth == 0:
vertex_angles[0,0] = np.radians(poles_margin)
vertex_angles[3,0] = np.radians(poles_margin)
if theta + halfwidth == 180:
vertex_angles[1,0] = np.radians(180-poles_margin)
vertex_angles[2,0] = np.radians(180-poles_margin)
pix=hp.query_polygon(nside, hp.ang2vec(vertex_angles[:,0], vertex_angles[:,1]), np.radians(13))
submap = np.zeros(len(pix), dtype=[("pix",np.int64), ("temp", np.float64)])
submap["pix"] = pix
submap["temp"] = m[pix]
np.save(filename, submap)