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Bindings for GLESP for calculations with spherical harmonics

Project description

This package contains line bindings for GLESP with some ‘candies’:

Installation

Requirements

  • GLESP must be installed with all dependences for normal work;
  • numpy to work with dl$
  • eog (to show maps).

Installation

To install package just input to command line:

pip install glespy

Using

To use in python you need to import glespy package

import glespy

Features

Automated parameters control, i.e.:

lmin >= 0
lmax >= lmin
nx >= lmax * 2 + 1
np >= nx * 2

PixelMap

Class for GLESP fits pixel maps. Possible operations are:

  • arithmetics (+, -, *, …);
  • convert from alm GLESP files;
  • draw map (with eog, if it’s installed);
  • get map attributes;
  • cut/keep zones;
  • reflect map;
  • mask map;
  • get C(l), alm and gif.

Alm

Class for GLESP fits alm. Operations:

  • get attributes;
  • convert to GLESP pixel map;
  • smooth;
  • rotate;
  • get C(l).

PointSource

Class for getting GLESP fits map from file with ascii values. It can be with point sources or pixel map in ascii format. Operations:

  • get pixel map;
  • show.

Cl

Class for manipulating with angular power spectrum. Operations:

  • convert to alm;
  • convert to pixel map.

Changes

0.1.7.2

  • Dl data type now is float32 from numpy

0.1.7.1

  • Calculation of D() from alm and pixelmap

0.1.7

  • Class for power spectrum added

0.1.6.1

  • description updated

0.1.6

  • quick update alm lmax and lmin
  • temp maps and alm`s autoremove
  • pointsource can be made of asci file from/for pixelmap
  • python2.6 particle compatibility

Project details


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