summaryrefslogtreecommitdiff
path: root/lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py
diff options
context:
space:
mode:
Diffstat (limited to 'lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py')
-rw-r--r--lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py278
1 files changed, 0 insertions, 278 deletions
diff --git a/lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py b/lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py
deleted file mode 100644
index df9f356..0000000
--- a/lib/python2.7/site-packages/django/contrib/gis/tests/geo3d/tests.py
+++ /dev/null
@@ -1,278 +0,0 @@
-from __future__ import absolute_import, unicode_literals
-
-import os
-import re
-
-from django.contrib.gis.gdal import HAS_GDAL
-from django.contrib.gis.geos import HAS_GEOS
-from django.contrib.gis.tests.utils import postgis
-from django.test import TestCase
-from django.utils._os import upath
-from django.utils.unittest import skipUnless
-
-if HAS_GEOS:
- from django.contrib.gis.db.models import Union, Extent3D
- from django.contrib.gis.geos import GEOSGeometry, LineString, Point, Polygon
-
- from .models import (City3D, Interstate2D, Interstate3D, InterstateProj2D,
- InterstateProj3D, Point2D, Point3D, MultiPoint3D, Polygon2D, Polygon3D)
-
-if HAS_GDAL:
- from django.contrib.gis.utils import LayerMapping, LayerMapError
-
-
-data_path = os.path.realpath(os.path.join(os.path.dirname(upath(__file__)), '..', 'data'))
-city_file = os.path.join(data_path, 'cities', 'cities.shp')
-vrt_file = os.path.join(data_path, 'test_vrt', 'test_vrt.vrt')
-
-# The coordinates of each city, with Z values corresponding to their
-# altitude in meters.
-city_data = (
- ('Houston', (-95.363151, 29.763374, 18)),
- ('Dallas', (-96.801611, 32.782057, 147)),
- ('Oklahoma City', (-97.521157, 34.464642, 380)),
- ('Wellington', (174.783117, -41.315268, 14)),
- ('Pueblo', (-104.609252, 38.255001, 1433)),
- ('Lawrence', (-95.235060, 38.971823, 251)),
- ('Chicago', (-87.650175, 41.850385, 181)),
- ('Victoria', (-123.305196, 48.462611, 15)),
-)
-
-# Reference mapping of city name to its altitude (Z value).
-city_dict = dict((name, coords) for name, coords in city_data)
-
-# 3D freeway data derived from the National Elevation Dataset:
-# http://seamless.usgs.gov/products/9arc.php
-interstate_data = (
- ('I-45',
- 'LINESTRING(-95.3708481 29.7765870 11.339,-95.3694580 29.7787980 4.536,-95.3690305 29.7797359 9.762,-95.3691886 29.7812450 12.448,-95.3696447 29.7850144 10.457,-95.3702511 29.7868518 9.418,-95.3706724 29.7881286 14.858,-95.3711632 29.7896157 15.386,-95.3714525 29.7936267 13.168,-95.3717848 29.7955007 15.104,-95.3717719 29.7969804 16.516,-95.3717305 29.7982117 13.923,-95.3717254 29.8000778 14.385,-95.3719875 29.8013539 15.160,-95.3720575 29.8026785 15.544,-95.3721321 29.8040912 14.975,-95.3722074 29.8050998 15.688,-95.3722779 29.8060430 16.099,-95.3733818 29.8076750 15.197,-95.3741563 29.8103686 17.268,-95.3749458 29.8129927 19.857,-95.3763564 29.8144557 15.435)',
- ( 11.339, 4.536, 9.762, 12.448, 10.457, 9.418, 14.858,
- 15.386, 13.168, 15.104, 16.516, 13.923, 14.385, 15.16 ,
- 15.544, 14.975, 15.688, 16.099, 15.197, 17.268, 19.857,
- 15.435),
- ),
- )
-
-# Bounding box polygon for inner-loop of Houston (in projected coordinate
-# system 32140), with elevation values from the National Elevation Dataset
-# (see above).
-bbox_data = (
- 'POLYGON((941527.97 4225693.20,962596.48 4226349.75,963152.57 4209023.95,942051.75 4208366.38,941527.97 4225693.20))',
- (21.71, 13.21, 9.12, 16.40, 21.71)
-)
-
-
-@skipUnless(HAS_GEOS and HAS_GDAL and postgis, "Geos, GDAL and postgis are required.")
-class Geo3DTest(TestCase):
- """
- Only a subset of the PostGIS routines are 3D-enabled, and this TestCase
- tries to test the features that can handle 3D and that are also
- available within GeoDjango. For more information, see the PostGIS docs
- on the routines that support 3D:
-
- http://postgis.refractions.net/documentation/manual-1.4/ch08.html#PostGIS_3D_Functions
- """
-
- def _load_interstate_data(self):
- # Interstate (2D / 3D and Geographic/Projected variants)
- for name, line, exp_z in interstate_data:
- line_3d = GEOSGeometry(line, srid=4269)
- line_2d = LineString([l[:2] for l in line_3d.coords], srid=4269)
-
- # Creating a geographic and projected version of the
- # interstate in both 2D and 3D.
- Interstate3D.objects.create(name=name, line=line_3d)
- InterstateProj3D.objects.create(name=name, line=line_3d)
- Interstate2D.objects.create(name=name, line=line_2d)
- InterstateProj2D.objects.create(name=name, line=line_2d)
-
- def _load_city_data(self):
- for name, pnt_data in city_data:
- City3D.objects.create(name=name, point=Point(*pnt_data, srid=4326))
-
- def _load_polygon_data(self):
- bbox_wkt, bbox_z = bbox_data
- bbox_2d = GEOSGeometry(bbox_wkt, srid=32140)
- bbox_3d = Polygon(tuple((x, y, z) for (x, y), z in zip(bbox_2d[0].coords, bbox_z)), srid=32140)
- Polygon2D.objects.create(name='2D BBox', poly=bbox_2d)
- Polygon3D.objects.create(name='3D BBox', poly=bbox_3d)
-
- def test_3d_hasz(self):
- """
- Make sure data is 3D and has expected Z values -- shouldn't change
- because of coordinate system.
- """
- self._load_interstate_data()
- for name, line, exp_z in interstate_data:
- interstate = Interstate3D.objects.get(name=name)
- interstate_proj = InterstateProj3D.objects.get(name=name)
- for i in [interstate, interstate_proj]:
- self.assertTrue(i.line.hasz)
- self.assertEqual(exp_z, tuple(i.line.z))
-
- self._load_city_data()
- for name, pnt_data in city_data:
- city = City3D.objects.get(name=name)
- z = pnt_data[2]
- self.assertTrue(city.point.hasz)
- self.assertEqual(z, city.point.z)
-
- def test_3d_polygons(self):
- """
- Test the creation of polygon 3D models.
- """
- self._load_polygon_data()
- p3d = Polygon3D.objects.get(name='3D BBox')
- self.assertTrue(p3d.poly.hasz)
- self.assertIsInstance(p3d.poly, Polygon)
- self.assertEqual(p3d.poly.srid, 32140)
-
- def test_3d_layermapping(self):
- """
- Testing LayerMapping on 3D models.
- """
- point_mapping = {'point' : 'POINT'}
- mpoint_mapping = {'mpoint' : 'MULTIPOINT'}
-
- # The VRT is 3D, but should still be able to map sans the Z.
- lm = LayerMapping(Point2D, vrt_file, point_mapping, transform=False)
- lm.save()
- self.assertEqual(3, Point2D.objects.count())
-
- # The city shapefile is 2D, and won't be able to fill the coordinates
- # in the 3D model -- thus, a LayerMapError is raised.
- self.assertRaises(LayerMapError, LayerMapping,
- Point3D, city_file, point_mapping, transform=False)
-
- # 3D model should take 3D data just fine.
- lm = LayerMapping(Point3D, vrt_file, point_mapping, transform=False)
- lm.save()
- self.assertEqual(3, Point3D.objects.count())
-
- # Making sure LayerMapping.make_multi works right, by converting
- # a Point25D into a MultiPoint25D.
- lm = LayerMapping(MultiPoint3D, vrt_file, mpoint_mapping, transform=False)
- lm.save()
- self.assertEqual(3, MultiPoint3D.objects.count())
-
- def test_kml(self):
- """
- Test GeoQuerySet.kml() with Z values.
- """
- self._load_city_data()
- h = City3D.objects.kml(precision=6).get(name='Houston')
- # KML should be 3D.
- # `SELECT ST_AsKML(point, 6) FROM geo3d_city3d WHERE name = 'Houston';`
- ref_kml_regex = re.compile(r'^<Point><coordinates>-95.363\d+,29.763\d+,18</coordinates></Point>$')
- self.assertTrue(ref_kml_regex.match(h.kml))
-
- def test_geojson(self):
- """
- Test GeoQuerySet.geojson() with Z values.
- """
- self._load_city_data()
- h = City3D.objects.geojson(precision=6).get(name='Houston')
- # GeoJSON should be 3D
- # `SELECT ST_AsGeoJSON(point, 6) FROM geo3d_city3d WHERE name='Houston';`
- ref_json_regex = re.compile(r'^{"type":"Point","coordinates":\[-95.363151,29.763374,18(\.0+)?\]}$')
- self.assertTrue(ref_json_regex.match(h.geojson))
-
- def test_union(self):
- """
- Testing the Union aggregate of 3D models.
- """
- # PostGIS query that returned the reference EWKT for this test:
- # `SELECT ST_AsText(ST_Union(point)) FROM geo3d_city3d;`
- self._load_city_data()
- ref_ewkt = 'SRID=4326;MULTIPOINT(-123.305196 48.462611 15,-104.609252 38.255001 1433,-97.521157 34.464642 380,-96.801611 32.782057 147,-95.363151 29.763374 18,-95.23506 38.971823 251,-87.650175 41.850385 181,174.783117 -41.315268 14)'
- ref_union = GEOSGeometry(ref_ewkt)
- union = City3D.objects.aggregate(Union('point'))['point__union']
- self.assertTrue(union.hasz)
- self.assertEqual(ref_union, union)
-
- def test_extent(self):
- """
- Testing the Extent3D aggregate for 3D models.
- """
- self._load_city_data()
- # `SELECT ST_Extent3D(point) FROM geo3d_city3d;`
- ref_extent3d = (-123.305196, -41.315268, 14,174.783117, 48.462611, 1433)
- extent1 = City3D.objects.aggregate(Extent3D('point'))['point__extent3d']
- extent2 = City3D.objects.extent3d()
-
- def check_extent3d(extent3d, tol=6):
- for ref_val, ext_val in zip(ref_extent3d, extent3d):
- self.assertAlmostEqual(ref_val, ext_val, tol)
-
- for e3d in [extent1, extent2]:
- check_extent3d(e3d)
-
- def test_perimeter(self):
- """
- Testing GeoQuerySet.perimeter() on 3D fields.
- """
- self._load_polygon_data()
- # Reference query for values below:
- # `SELECT ST_Perimeter3D(poly), ST_Perimeter2D(poly) FROM geo3d_polygon3d;`
- ref_perim_3d = 76859.2620451
- ref_perim_2d = 76859.2577803
- tol = 6
- self.assertAlmostEqual(ref_perim_2d,
- Polygon2D.objects.perimeter().get(name='2D BBox').perimeter.m,
- tol)
- self.assertAlmostEqual(ref_perim_3d,
- Polygon3D.objects.perimeter().get(name='3D BBox').perimeter.m,
- tol)
-
- def test_length(self):
- """
- Testing GeoQuerySet.length() on 3D fields.
- """
- # ST_Length_Spheroid Z-aware, and thus does not need to use
- # a separate function internally.
- # `SELECT ST_Length_Spheroid(line, 'SPHEROID["GRS 1980",6378137,298.257222101]')
- # FROM geo3d_interstate[2d|3d];`
- self._load_interstate_data()
- tol = 3
- ref_length_2d = 4368.1721949481
- ref_length_3d = 4368.62547052088
- self.assertAlmostEqual(ref_length_2d,
- Interstate2D.objects.length().get(name='I-45').length.m,
- tol)
- self.assertAlmostEqual(ref_length_3d,
- Interstate3D.objects.length().get(name='I-45').length.m,
- tol)
-
- # Making sure `ST_Length3D` is used on for a projected
- # and 3D model rather than `ST_Length`.
- # `SELECT ST_Length(line) FROM geo3d_interstateproj2d;`
- ref_length_2d = 4367.71564892392
- # `SELECT ST_Length3D(line) FROM geo3d_interstateproj3d;`
- ref_length_3d = 4368.16897234101
- self.assertAlmostEqual(ref_length_2d,
- InterstateProj2D.objects.length().get(name='I-45').length.m,
- tol)
- self.assertAlmostEqual(ref_length_3d,
- InterstateProj3D.objects.length().get(name='I-45').length.m,
- tol)
-
- def test_scale(self):
- """
- Testing GeoQuerySet.scale() on Z values.
- """
- self._load_city_data()
- # Mapping of City name to reference Z values.
- zscales = (-3, 4, 23)
- for zscale in zscales:
- for city in City3D.objects.scale(1.0, 1.0, zscale):
- self.assertEqual(city_dict[city.name][2] * zscale, city.scale.z)
-
- def test_translate(self):
- """
- Testing GeoQuerySet.translate() on Z values.
- """
- self._load_city_data()
- ztranslations = (5.23, 23, -17)
- for ztrans in ztranslations:
- for city in City3D.objects.translate(0, 0, ztrans):
- self.assertEqual(city_dict[city.name][2] + ztrans, city.translate.z)