This is a pre-production deployment of Warehouse, however changes made here WILL affect the production instance of PyPI.
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Project Description

A uniform interface for a number of 2D and 3D maps of interstellar dust reddening/extinction.

Supported Dust Maps

  1. Burstein & Heiles (1982; BH‘82)
  2. Green, Schlafly, Finbeiner et al. (2015; Bayestar)
  3. Marshall et al. (2006)
  4. Planck Collaboration (2013)
  5. Sale et al. (2014; IPHAS)
  6. Schlegel, Finkbeiner & Davis (1998; SFD‘98)

Installation

Download the repository and then run:

python setup.py install –large-data-dir=/path/where/you/want/large/data/files/stored

Alternatively, you can use pip:

pip install dustmaps

Getting the Data

To fetch the data for the SFD dust map, run:

python setup.py fetch –map-name=sfd

You can download the other dust maps by changing “sfd” to “planck”, “bayestar”, “iphas”, “marshall”, “chen2014” or “bh”.

Alternatively, if you have used pip to install dustmaps, then you can configure the data directory and download the data by opening up a python interpreter and running:

>>> from dustmaps.config import config
>>> config['data_dir'] = '/path/where/you/want/large/data/files/stored'
>>>
>>> import dustmaps.sfd
>>> dustmaps.sfd.fetch()
>>>
>>> import dustmaps.planck
>>> dustmaps.planck.fetch()
>>>
>>> import dustmaps.bayestar
>>> dustmaps.bayestar.fetch()
>>>
>>> import dustmaps.iphas
>>> dustmaps.iphas.fetch()
>>>
>>> import dustmaps.marshall
>>> dustmaps.marshall.fetch()
>>>
>>> import dustmaps.chen2014
>>> dustmaps.chen2014.fetch()

Querying the Maps

Maps are queried using astropy.coordinate.SkyCoord objects. This means that any coordinate system can be used as input. For example, we can query SFD‘98 as follows:

>>> from dustmaps.sfd import SFDQuery
>>> from astropy.coordinates import SkyCoord
>>>
>>> sfd = SFDQuery()
>>>
>>> c = SkyCoord(
        '05h00m00.00000s',
        '+30d00m00.0000s',
        frame='icrs')
>>> print sfd(c)
0.483961

Above, we’ve used the ICRS coordinate system (the inputs are RA and Dec). We can use other coordinate systems, such as Galactic coordinates, and we can provide coordinate arrays. The following example uses both features:

>>> c = SkyCoord(
        [75.00000000, 130.00000000],
        [-89.00000000, 10.00000000],
        frame='galactic',
        unit='deg')
>>> print sfd(c)
[ 0.0146584   0.97695869]

Documentation

Read the full documentation at http://dustmaps.readthedocs.io/en/latest/.

Release History

Release History

0.1a9

This version

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0.1a8

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0.1a7

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0.1a6

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0.1a5

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0.1a3

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0.1a2

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0.1a0

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Download Files

Download Files

TODO: Brief introduction on what you do with files - including link to relevant help section.

File Name & Checksum SHA256 Checksum Help Version File Type Upload Date
dustmaps-0.1a9.tar.gz (411.4 kB) Copy SHA256 Checksum SHA256 Source Oct 26, 2016

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