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WKT --> simple geojson file
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import json | |
from shapely.wkt import loads | |
allgeoms = [] | |
# 0. valid square | |
allgeoms.append(loads('POLYGON((0 0, 0 10, 10 10, 10 0, 0 0))')) | |
# 1. both rings same orientation | |
allgeoms.append(loads('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0), (1 1, 3 1, 3 3, 1 1))')) | |
# 2. duplicate vertices iring | |
allgeoms.append(loads('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0), (1 1, 3 1, 3 1, 3 3, 1 1))')) | |
# 3. valid with iring | |
allgeoms.append(loads('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0), (1 1, 3 3, 3 1, 1 1))')) | |
# 4. invalid cw orientation | |
allgeoms.append(loads('POLYGON((0 0, 10 0, 10 10, 0 10, 0 0))')) | |
# 5. duplicate vertices | |
allgeoms.append(loads('POLYGON((0 0, 10 0, 10 0, 10 10, 0 10, 0 0))')) | |
# 6. invalid: bowtie | |
allgeoms.append(loads('POLYGON((0 0, 0 10, 10 0, 10 10, 0 0))')) | |
# 7. invalid: dangling edge | |
allgeoms.append(loads('POLYGON((0 0, 0 10, 10 0, 10 10, 0 0))')) | |
print json.dumps( | |
dict( | |
type='FeatureCollection', | |
features=[dict(type='Feature', geometry=g.__geo_interface__) for g in allgeoms] | |
) | |
) |
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