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#!/usr/bin/env python
from nose.tools import *
import mapnik2, pickle
# Tests that exercise map projections.
def test_normalizing_definition():
p = mapnik2.Projection('+init=epsg:4326')
expanded = p.expanded()
eq_('+proj=longlat' in expanded,True)
# Trac Ticket #128
def test_wgs84_inverse_forward():
p = mapnik2.Projection('+init=epsg:4326')
c = mapnik2.Coord(3.01331418311, 43.3333092669)
e = mapnik2.Box2d(-122.54345245, 45.12312553, 68.2335581353, 48.231231233)
# It appears that the y component changes very slightly, is this OK?
# so we test for 'almost equal float values'
assert_almost_equal(p.inverse(c).y, c.y)
assert_almost_equal(p.inverse(c).x, c.x)
assert_almost_equal(p.forward(c).y, c.y)
assert_almost_equal(p.forward(c).x, c.x)
assert_almost_equal(p.inverse(e).center().y, e.center().y)
assert_almost_equal(p.inverse(e).center().x, e.center().x)
assert_almost_equal(p.forward(e).center().y, e.center().y)
assert_almost_equal(p.forward(e).center().x, e.center().x)
assert_almost_equal(c.inverse(p).y, c.y)
assert_almost_equal(c.inverse(p).x, c.x)
assert_almost_equal(c.forward(p).y, c.y)
assert_almost_equal(c.forward(p).x, c.x)
assert_almost_equal(e.inverse(p).center().y, e.center().y)
assert_almost_equal(e.inverse(p).center().x, e.center().x)
assert_almost_equal(e.forward(p).center().y, e.center().y)
assert_almost_equal(e.forward(p).center().x, e.center().x)
if __name__ == "__main__":
[eval(run)() for run in dir() if 'test_' in run]
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