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Project Description

chealpy is the Python binding of chealpix.

chealpix is the C implementation of HealPix.
HealPix linearizes spherical coordinate into integers.

You will need numpy > 1.6.

The installation is just
python setup.py install
or
easy_install chealpy

Refer to HealPix manual for usage.

Two precisions are provided:
chealpy.high :upto nside=1<<29
chealpy.low : upto nside=8192

functions under the namespace chealpy are imported from chealpy.high

MAX_NSIDES is the upper limit of nsides

wrappers are automatically generated Cython code, making use
of NpyIter API.

For a feature-rich Healpix C++ binding, take a look at healpy.

Author: Yu Feng 2012 <yfeng1@andrew.cmu.edu>

Description of Functions:

def ang2pix_ring (nside,theta,phi,ipix=None)
angle to pix
def ang2pix_nest (nside,theta,phi, ipix = None):
def pix2ang_ring (nside,ipix, theta = None,phi = None):
def pix2ang_nest (nside,ipix, theta = None,phi = None):
def vec2pix_ring (nside,vec, ipix = None):
def vec2pix_nest (nside,vec, ipix = None):
def pix2vec_ring (nside,ipix, vec = None):
def pix2vec_nest (nside,ipix, vec = None):
def nest2ring (nside,ipnest, ipring = None):
def ring2nest (nside,ipring, ipnest = None):
def npix2nside (npix, nside = None):
def nside2npix (nside, npix = None):
def ang2vec (theta,phi, vec = None):
def vec2ang (vec, theta = None,phi = None):
Release History

Release History

0.1.0

This version

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0.1

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Download Files

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File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
chealpy-0.1.0.tar.gz (71.6 kB) Copy SHA256 Checksum SHA256 Source Mar 18, 2016

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