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Japan grid square code (JIS X 0410) utility for Python.

Project Description

Japan grid square code (JIS X 0410) utility for Python.

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Features

  • Supports the meshes below.
    • 1st mesh (jpmesh.FirstMesh class, about 80 km square).
    • 2nd mesh (jpmesh.SecondMesh class, about 10 km square).
    • 3rd mesh (jpmesh.ThirdMesh class, about 1 km square).
    • 1/2 mesh (jpmesh.HalfMesh class, about 500 m square).
    • 1/4 mesh (jpmesh.QuarterMesh class, about 250 m square).
    • 1/8 mesh (jpmesh.OneEighthMesh class, about 125 m square).
  • Supports the calculations below.
    • Mesh border coordinates from mesh codes.
    • Mesh codes from coordinates.
  • Consisted of only one file and depends on no other libraries, which enable you to use it portably.

Installation

Choose one from the following.

  • Run pip install pyjpmesh.
  • Put jpmesh.py on your project.

Tutorial

Here is an example to get the 1st mesh (about 8 km square) code that a given point belongs to.

from jpmesh import Angle, Coordinate, FirstMesh

coordinate = Coordinate(
    lon=Angle.from_degree(140.0), lat=Angle.from_degree(35.0))
mesh = FirstMesh.from_coordinate(coordinate)
print mesh.code # '5240'

Here is another example to get the center point of the given mesh.

from jpmesh import parse_mesh_code

mesh = parse_mesh_code('5339')
mesh_center = mesh.south_west + (mesh.size / 2.0)
print mesh_center.lon.degree, mesh_center.lat.degree # 139.5 35.667

To use other mesh classes (SecondMesh, ThirdMesh, etc.), use those classes instead of FirstMesh.

Release history Release notifications

This version
History Node

1.1.0

History Node

1.0.1

History Node

1.0.0

History Node

0.9.0

History Node

0.1.0

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Filename, size & hash SHA256 hash help File type Python version Upload date
pyjpmesh-1.1.0.tar.gz (6.4 kB) Copy SHA256 hash SHA256 Source None Sep 5, 2016

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