mapnik/tests/python_tests/box2d_test.py

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#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
from nose.tools import *
from utilities import execution_path, run_all
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import mapnik
def test_coord_init():
c = mapnik.Coord(100, 100)
eq_(c.x, 100)
eq_(c.y, 100)
def test_coord_multiplication():
c = mapnik.Coord(100, 100)
c *= 2
eq_(c.x, 200)
eq_(c.y, 200)
def test_envelope_init():
e = mapnik.Box2d(100, 100, 200, 200)
assert_true(e.contains(100, 100))
assert_true(e.contains(100, 200))
assert_true(e.contains(200, 200))
assert_true(e.contains(200, 100))
assert_true(e.contains(e.center()))
assert_false(e.contains(99.9, 99.9))
assert_false(e.contains(99.9, 200.1))
assert_false(e.contains(200.1, 200.1))
assert_false(e.contains(200.1, 99.9))
eq_(e.width(), 100)
eq_(e.height(), 100)
eq_(e.minx, 100)
eq_(e.miny, 100)
eq_(e.maxx, 200)
eq_(e.maxy, 200)
eq_(e[0],100)
eq_(e[1],100)
eq_(e[2],200)
eq_(e[3],200)
eq_(e[0],e[-4])
eq_(e[1],e[-3])
eq_(e[2],e[-2])
eq_(e[3],e[-1])
c = e.center()
eq_(c.x, 150)
eq_(c.y, 150)
def test_envelope_static_init():
e = mapnik.Box2d.from_string('100 100 200 200')
e2 = mapnik.Box2d.from_string('100,100,200,200')
e3 = mapnik.Box2d.from_string('100 , 100 , 200 , 200')
eq_(e,e2)
eq_(e,e3)
assert_true(e.contains(100, 100))
assert_true(e.contains(100, 200))
assert_true(e.contains(200, 200))
assert_true(e.contains(200, 100))
assert_true(e.contains(e.center()))
assert_false(e.contains(99.9, 99.9))
assert_false(e.contains(99.9, 200.1))
assert_false(e.contains(200.1, 200.1))
assert_false(e.contains(200.1, 99.9))
eq_(e.width(), 100)
eq_(e.height(), 100)
eq_(e.minx, 100)
eq_(e.miny, 100)
eq_(e.maxx, 200)
eq_(e.maxy, 200)
eq_(e[0],100)
eq_(e[1],100)
eq_(e[2],200)
eq_(e[3],200)
eq_(e[0],e[-4])
eq_(e[1],e[-3])
eq_(e[2],e[-2])
eq_(e[3],e[-1])
c = e.center()
eq_(c.x, 150)
eq_(c.y, 150)
def test_envelope_multiplication():
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# no width then no impact of multiplication
a = mapnik.Box2d(100, 100, 100, 100)
a *= 5
eq_(a.minx,100)
eq_(a.miny,100)
eq_(a.maxx,100)
eq_(a.maxy,100)
a = mapnik.Box2d(100.0, 100.0, 100.0, 100.0)
a *= 5
eq_(a.minx,100)
eq_(a.miny,100)
eq_(a.maxx,100)
eq_(a.maxy,100)
a = mapnik.Box2d(100.0, 100.0, 100.001, 100.001)
a *= 5
assert_almost_equal(a.minx, 99.9979, places=3)
assert_almost_equal(a.miny, 99.9979, places=3)
assert_almost_equal(a.maxx, 100.0030, places=3)
assert_almost_equal(a.maxy, 100.0030, places=3)
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e = mapnik.Box2d(100, 100, 200, 200)
e *= 2
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eq_(e.minx,50)
eq_(e.miny,50)
eq_(e.maxx,250)
eq_(e.maxy,250)
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assert_true(e.contains(50, 50))
assert_true(e.contains(50, 250))
assert_true(e.contains(250, 250))
assert_true(e.contains(250, 50))
assert_false(e.contains(49.9, 49.9))
assert_false(e.contains(49.9, 250.1))
assert_false(e.contains(250.1, 250.1))
assert_false(e.contains(250.1, 49.9))
assert_true(e.contains(e.center()))
eq_(e.width(), 200)
eq_(e.height(), 200)
eq_(e.minx, 50)
eq_(e.miny, 50)
eq_(e.maxx, 250)
eq_(e.maxy, 250)
c = e.center()
eq_(c.x, 150)
eq_(c.y, 150)
def test_envelope_clipping():
e1 = mapnik.Box2d(-180,-90,180,90)
e2 = mapnik.Box2d(-120,40,-110,48)
e1.clip(e2)
eq_(e1,e2)
# madagascar in merc
e1 = mapnik.Box2d(4772116.5490, -2744395.0631, 5765186.4203, -1609458.0673)
e2 = mapnik.Box2d(5124338.3753, -2240522.1727, 5207501.8621, -2130452.8520)
e1.clip(e2)
eq_(e1,e2)
# nz in lon/lat
e1 = mapnik.Box2d(163.8062, -47.1897, 179.3628, -33.9069)
e2 = mapnik.Box2d(173.7378, -39.6395, 174.4849, -38.9252)
e1.clip(e2)
eq_(e1,e2)
if __name__ == "__main__":
run_all(eval(x) for x in dir() if x.startswith("test_"))