def test_unshape_geo_hash(self):
"""Test unshaping from PostGIS objects to EWKT"""
print('##### TEST2 #####')
r1 = select([Xco2]).where(Xco2.id == self.test_point_pk)
r = self.conn.execute(r1).first()
try:
spatial.unshape_geo_hash(r[3])
print('PASSED')
except Exception as e:
print('FAILED')
raise e
def test_unshape_geo_hash(self):
"""Test unshaping from PostGIS objects to EWKT"""
print('##### TEST2 #####')
r1 = select([Xco2]).where(Xco2.id == self.test_point_pk)
r = self.conn.execute(r1).first()
try:
spatial.unshape_geo_hash(r[3])
print('PASSED')
except Exception as e:
print('FAILED')
raise e
def initialize_geojson(cls, point):
"""
Return a GeoJSON with only one point, the center of the AoI.
:param point: a center point of a AoI
:return: a GeoJSON containing only the center point
"""
x, y = spatial.unshape_geo_hash(point)
xco2 = cls._connected(
'SELECT xco2 from t_co2 WHERE pixels = %s',
**{
'values': (point, )
}
)[0]
# store initialized geojson with center
# as the only feature-point
return {
"features": [{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [x, y]
},
"properties": {
"xco2": xco2
}
}]
}
def serialize_geojson(cls, points_tuple):
"""
Return a GeoJson from a sequence of tuples.
:param points_tuple: a sequence of Xco2 points.
:return: a GeoJSON with the co2 data for the points
"""
geojson = {
"features": []
}
for p in points_tuple:
x, y = spatial.unshape_geo_hash(p[3])
xco2 = p[1]
# store initialized geojson with center
# as the only feature-point
geojson["features"].append({
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [x, y]
},
"properties": {
"xco2": xco2
}
})
return geojson
def initialize_geojson(cls, point):
"""
Return a GeoJSON with only one point, the center of the AoI.
:param point: a center point of a AoI
:return: a GeoJSON containing only the center point
"""
x, y = spatial.unshape_geo_hash(point)
xco2 = cls._connected('SELECT xco2 from t_co2 WHERE pixels = %s',
**{'values': (point, )})[0]
# store initialized geojson with center
# as the only feature-point
return {
"features": [{
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [x, y]
},
"properties": {
"xco2": xco2
}
}]
}
def serialize_geojson(cls, points_tuple):
"""
Return a GeoJson from a sequence of tuples.
:param points_tuple: a sequence of Xco2 points.
:return: a GeoJSON with the co2 data for the points
"""
geojson = {"features": []}
for p in points_tuple:
x, y = spatial.unshape_geo_hash(p[3])
xco2 = p[1]
# store initialized geojson with center
# as the only feature-point
geojson["features"].append({
"type": "Feature",
"geometry": {
"type": "Point",
"coordinates": [x, y]
},
"properties": {
"xco2": xco2
}
})
return geojson