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Efficient great circle computation and projection library for x86 or x64 platform on Windows or Ubuntu.

Project description

Gryd

pypi

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Why this package ?

Gryd package provides efficient great circle computation and projection library. It is light weight (less than 500Ko) and does not rely on dependency.

Documentation

The Gryd Project [WIP]

Installation

from source distribution

$ python setup.py install

from pip

$ python -m pip install Gryd

Contribute

Bug report & feedback

Use project issues.

Add / modify / fix code

Guidance words: keep it simple and solid!

  1. open a issue to propose your contribution
  2. once issue is granted
    • fork this repository
    • edit your contribution
    • start a pull request

History

2.0.0

  • documentation API change
  • binary source released
  • code improvement
  • dump location api change
>>> import Gryd
>>> dublin = Gryd.Geodesic(-6.272877, 53.344606, 105.)
>>> # mapbox static map api url
>>> url = "https://api.mapbox.com/styles/v1/mapbox/outdoors-v11/static/"\
...       "pin-s+f74e4e(%(lon)f,%(lat)f)/%(lon)f,%(lat)f,%(zoom)d,0/"\
...       "%(width)dx%(height)d?access_token=%(token)s"
>>> # see https://docs.mapbox.com/api/overview/#access-tokens-and-token-scopes
>>> token = "pk.eyJ1IjoibW91c2lr[...]nJtcHlyejFrNXd4In0.JIyrV6sWjehsRHKVMBDFaw"
>>> dublin.dump_location("test/dublin.png", url, zoom=15, width=300, height=200, token=token)

Here is Dublin

  • geohash module improvement
    • implementation based on python integers
    • better encryption interface

1.2.0

  • added geohash module

1.1.1

  • Geodesic class can now dump thumbanil location from google staticmap API
  • bugfix in unit usage for classic projection (other than grid)

1.1.0

  • projection core changes (simpler & faster)
  • added miller and eqc projection
  • 64 bit support for Windows
  • encrypt/decrypt geodesic coordinates
>>> point = Gryd.Geodesic(-6.23, 53.63)
>>> point.encrypt("your encryption key")
'mwszncbe9g2tu29'
>>> Gryd.decrypt('mwszncbe9g2tu29', key="hacking...") # gives coordinates but not the good ones
Geodesic point lon=+025°22'0.011'' lat=-086°36'35.290'' alt=0.000
>>> Gryd.decrypt('mwszncbe9g2tu29', key="your encryption key")
Geodesic point lon=-006°13'48.000'' lat=+053°37'48.000'' alt=0.000
>>> point
Geodesic point lon=-006°13'48.000'' lat=+053°37'48.000'' alt=0.000

1.0.11

  • bugfix for mgrs.inverse function
  • utm and mgrs grid tweaks

1.0.10

  • Gryd.Geodesic exports itself in geohash, maidenhead, georef and gars
  • Gryd.Geodesic created from geohash, maidenhead, georef and gars

1.0.9

  • bng and ing grid tweaks

1.0.8

  • bugfix for utm and mgrs grid computation
  • Crs.unit value is now used in computation

1.0.7

  • Provide a multiplatform wheel (32 and 64 bit for Windows and Ubuntu)
  • Python sources released

1.0.6

  • Added API doc

1.0.5

  • All Gryd objects are pickle-able
>>> import pickle
>>> data = pickle.dumps(wgs84)
>>> data
b'\x80\x03c_ctypes\n_unpickle\nq\x00cGryd\nEllipsoid\nq\x01}q\x02X\x04\x00\x00\x00nameq\x03X\x06\x00\x00\x00WGS 84q\x04sC(v\x1b\x00\x00\x00\x00\x00\x00\x00\x00\x00@\xa6TXA\xd0\x97\x1c\x14\xc4?XA\x9a\xaf\xda<\x1a\xf2\xb4?(\xe1\xf3\x84Zwk?q\x05\x86q\x06\x86q\x07Rq\x08.'
>>> pickle.loads(data)
Ellispoid epsg=7030 a=6378137.000000 1/f=298.25722356

1.0.4

  • bugfix Gryd.Vincenty_dest representation
  • wheel distribution fix

1.0.3

  • linux (ubuntu) fix

1.0.2

  • Gryd.Geodesic class takes degrees arguments for longitude and latitude values
  • better objects representation
  • speed improvement
  • added __float__ operator for Gryd.Dms and Gryd.Dmm objects
>>> float(Gryd.Dms(1, 5, 45, 23))
5.756388888888889
>>> "%.6f" % Gryd.Dms(-1, 5, 45, 23)
'-5.756389'

1.0.1

  • minor changes in C extensions
  • bugfix geoid.dms and geoid.dmm function

1.0.0

  • first public binary release (win32 and linux platform)

Project details


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Files for Gryd, version 2.0.0
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