forked from mapnik/python-mapnik
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathshapefile_test.py
More file actions
149 lines (129 loc) · 5.11 KB
/
shapefile_test.py
File metadata and controls
149 lines (129 loc) · 5.11 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
from nose.tools import assert_almost_equal, eq_, raises
import mapnik
from .utilities import execution_path, run_all
def setup():
# All of the paths used are relative, if we run the tests
# from another directory we need to chdir()
os.chdir(execution_path('.'))
if 'shape' in mapnik.DatasourceCache.plugin_names():
# Shapefile initialization
def test_shapefile_init():
s = mapnik.Shapefile(file='../data/shp/boundaries')
e = s.envelope()
assert_almost_equal(e.minx, -11121.6896651, places=7)
assert_almost_equal(e.miny, -724724.216526, places=6)
assert_almost_equal(e.maxx, 2463000.67866, places=5)
assert_almost_equal(e.maxy, 1649661.267, places=3)
# Shapefile properties
def test_shapefile_properties():
s = mapnik.Shapefile(file='../data/shp/boundaries', encoding='latin1')
f = list(s.features_at_point(s.envelope().center()))[0]
eq_(f['CGNS_FID'], u'6f733341ba2011d892e2080020a0f4c9')
eq_(f['COUNTRY'], u'CAN')
eq_(f['F_CODE'], u'FA001')
eq_(f['NAME_EN'], u'Quebec')
# this seems to break if icu data linking is not working
eq_(f['NOM_FR'], u'Qu\xe9bec')
eq_(f['NOM_FR'], u'Québec')
eq_(f['Shape_Area'], 1512185733150.0)
eq_(f['Shape_Leng'], 19218883.724300001)
@raises(RuntimeError)
def test_that_nonexistant_query_field_throws(**kwargs):
ds = mapnik.Shapefile(file='../data/shp/world_merc')
eq_(len(ds.fields()), 11)
eq_(ds.fields(), ['FIPS', 'ISO2', 'ISO3', 'UN', 'NAME',
'AREA', 'POP2005', 'REGION', 'SUBREGION', 'LON', 'LAT'])
eq_(ds.field_types(),
['str',
'str',
'str',
'int',
'str',
'int',
'int',
'int',
'int',
'float',
'float'])
query = mapnik.Query(ds.envelope())
for fld in ds.fields():
query.add_property_name(fld)
# also add an invalid one, triggering throw
query.add_property_name('bogus')
ds.features(query)
def test_dbf_logical_field_is_boolean():
ds = mapnik.Shapefile(file='../data/shp/long_lat')
eq_(len(ds.fields()), 7)
eq_(ds.fields(), ['LONG', 'LAT', 'LOGICAL_TR',
'LOGICAL_FA', 'CHARACTER', 'NUMERIC', 'DATE'])
eq_(ds.field_types(), ['str', 'str',
'bool', 'bool', 'str', 'float', 'str'])
query = mapnik.Query(ds.envelope())
for fld in ds.fields():
query.add_property_name(fld)
feat = list(ds.all_features())[0]
eq_(feat.id(), 1)
eq_(feat['LONG'], '0')
eq_(feat['LAT'], '0')
eq_(feat['LOGICAL_TR'], True)
eq_(feat['LOGICAL_FA'], False)
eq_(feat['CHARACTER'], '254')
eq_(feat['NUMERIC'], 32)
eq_(feat['DATE'], '20121202')
# created by hand in qgis 1.8.0
def test_shapefile_point2d_from_qgis():
ds = mapnik.Shapefile(file='../data/shp/points/qgis.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 3)
# ogr2ogr tests/data/shp/3dpoint/ogr_zfield.shp
# tests/data/shp/3dpoint/qgis.shp -zfield id
def test_shapefile_point_z_from_qgis():
ds = mapnik.Shapefile(file='../data/shp/points/ogr_zfield.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 3)
def test_shapefile_multipoint_from_qgis():
ds = mapnik.Shapefile(file='../data/shp/points/qgis_multi.shp')
eq_(len(ds.fields()), 2)
eq_(ds.fields(), ['id', 'name'])
eq_(ds.field_types(), ['int', 'str'])
eq_(len(list(ds.all_features())), 1)
# pointzm from arcinfo
def test_shapefile_point_zm_from_arcgis():
ds = mapnik.Shapefile(file='../data/shp/points/poi.shp')
eq_(len(ds.fields()), 7)
eq_(ds.fields(),
['interst_id',
'state_d',
'cnty_name',
'latitude',
'longitude',
'Name',
'Website'])
eq_(ds.field_types(), ['str', 'str',
'str', 'float', 'float', 'str', 'str'])
eq_(len(list(ds.all_features())), 17)
# copy of the above with ogr2ogr that makes m record 14 instead of 18
def test_shapefile_point_zm_from_ogr():
ds = mapnik.Shapefile(file='../data/shp/points/poi_ogr.shp')
eq_(len(ds.fields()), 7)
eq_(ds.fields(),
['interst_id',
'state_d',
'cnty_name',
'latitude',
'longitude',
'Name',
'Website'])
eq_(ds.field_types(), ['str', 'str',
'str', 'float', 'float', 'str', 'str'])
eq_(len(list(ds.all_features())), 17)
if __name__ == "__main__":
setup()
exit(run_all(eval(x) for x in dir() if x.startswith("test_")))