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Avoid rounding errors comparing envelopes

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This commit is contained in:
Tom Hughes 2013-07-11 18:32:54 +01:00
parent 9be53df112
commit 6f0e4daf52
1 changed files with 10 additions and 2 deletions
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12
tests/python_tests/map_query_test.py
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@ -63,7 +63,11 @@ if 'shape' in mapnik.DatasourceCache.plugin_names():
m.zoom_all()
#mapnik.render_to_file(m,'works2.png')
# validate that aspect_fix_mode modified the bbox reasonably
eq_(str(m.envelope()),str(mapnik.Box2d(-179.999999975,-167.951396161,179.999999975,192.048603789)))
e = m.envelope()
assert_almost_equal(e.minx, -179.999999975, places=7)
assert_almost_equal(e.miny, -167.951396161, places=7)
assert_almost_equal(e.maxx, 179.999999975, places=7)
assert_almost_equal(e.maxy, 192.048603789, places=7)
fs = m.query_point(0,-98.9264, 38.1432) # somewhere in kansas
feat = fs.next()
eq_(feat.attributes['NAME'],u'United States')
@ -86,7 +90,11 @@ if 'shape' in mapnik.DatasourceCache.plugin_names():
# caution - will go square due to evil aspect_fix_mode backhandedness
m.zoom_all()
# validate that aspect_fix_mode modified the bbox reasonably
eq_(str(m.envelope()),str(mapnik.Box2d(-179.999999975,-167.951396161,179.999999975,192.048603789)))
e = m.envelope()
assert_almost_equal(e.minx, -179.999999975, places=7)
assert_almost_equal(e.miny, -167.951396161, places=7)
assert_almost_equal(e.maxx, 179.999999975, places=7)
assert_almost_equal(e.maxy, 192.048603789, places=7)
fs = m.query_map_point(0,55,100) # somewhere in Canada
feat = fs.next()
eq_(feat.attributes['NAME'],u'Canada')