Source code for sgis.io.read_parquet
from io import BytesIO
import geopandas as gpd
import requests
from geopandas import GeoDataFrame
[docs]
def read_parquet_url(url: str) -> GeoDataFrame:
"""Reads geoparquet from a URL.
Args:
url: URL containing a geoparquet file.
Returns:
A GeoDataFrame.
Examples:
---------
>>> from sgis import read_parquet_url
>>> url = "https://media.githubusercontent.com/media/statisticsnorway/ssb-sgis/main/tests/testdata/points_oslo.parquet"
>>> points = read_parquet_url(url)
>>> points
idx geometry
0 1 POINT (263122.700 6651184.900)
1 2 POINT (272456.100 6653369.500)
2 3 POINT (270082.300 6653032.700)
3 4 POINT (259804.800 6650339.700)
4 5 POINT (272876.200 6652889.100)
.. ... ...
995 996 POINT (266801.700 6647844.500)
996 997 POINT (261274.000 6653593.400)
997 998 POINT (263542.900 6645427.000)
998 999 POINT (269226.700 6650628.000)
999 1000 POINT (264570.300 6644239.500)
<BLANKLINE>
[1000 rows x 2 columns]
>>> url = "https://media.githubusercontent.com/media/statisticsnorway/ssb-sgis/main/tests/testdata/roads_oslo_2022.parquet"
>>> roads = read_parquet_url(url)
>>> roads
linkid fromnode tonode streetname fromangle ... estimateddrivetimebus_fw estimateddrivetimebus_bw lengde SHAPE_Length geometry
119702 121690 135529 135537 skogsbilsveg 203 ... 0.188357 0.188357 NaN 36.838554 MULTILINESTRING Z ((258028.440 6674249.890 413...
199710 203624 223290 223291 Rv163 107 ... 0.086368 -1.000000 NaN 110.359439 MULTILINESTRING Z ((271778.700 6653238.900 138...
199725 203640 223291 223306 Rv163 107 ... 0.151272 -1.000000 NaN 193.291970 MULTILINESTRING Z ((271884.510 6653207.540 142...
199726 203641 223291 223307 Rv163 85 ... 0.010284 -1.000000 NaN 13.141298 MULTILINESTRING Z ((271884.510 6653207.540 142...
199733 203648 223313 223291 Rv163 135 ... 0.007910 -1.000000 NaN 10.107394 MULTILINESTRING Z ((271877.373 6653214.697 141...
... ... ... ... ... ... ... ... ... ... ... ...
1944129 2137454 1836098 1836031 Rv191 74 ... 0.027344 -1.000000 NaN 8.735034 MULTILINESTRING Z ((268649.503 6651869.320 111...
1944392 2137723 575129 1836232 Bygdøynesveien 333 ... 0.117879 0.117879 NaN 46.109289 MULTILINESTRING Z ((259501.570 6648459.580 3.2...
1944398 2137729 1836234 1836235 Fredriksborgveien 183 ... 0.059338 0.059338 NaN 23.210556 MULTILINESTRING Z ((258292.600 6648313.440 18....
1944409 2137741 1836240 1481147 Fredriksborgveien 178 ... 0.020547 0.020547 NaN 8.036981 MULTILINESTRING Z ((258291.452 6648289.258 19....
1944415 2137747 1493921 1836244 privat veg 234 ... 0.717860 0.717860 NaN 59.821648 MULTILINESTRING Z ((260762.830 6650240.620 43....
<BLANKLINE>
[93395 rows x 46 columns]
"""
r = requests.get(url, timeout=10)
return gpd.read_parquet(BytesIO(r.content))