Geographic Information Systems Asked by jtam on July 3, 2021
I am new to Geopandas and I want the min and max values of both latitude and longitude for a single record. The Geodataframe is structured as so (not sure it matters):
STATEFP STATENS GEOID STUSPS NAME geometry
49 48 48 TX Texas (POLYGON ((-94.718296 29.728855, -94.717207 29...
Individual POLYGONs in geometry column are shapely objects, so you can use .bounds method on this object to get a tuple of (minx, miny, maxx, maxy).
from shapely.geometry import Polygon
poly = Polygon([[1,2], [2,5], [4,6], [5,3], [1,2]])
poly.bounds
# out: (1.0, 2.0, 5.0, 6.0)
Correct answer by Alz on July 3, 2021
If you're using ESRI shapefile as vectorfile, then
import geopandas as gpd
from shapely.geometry import Polygon
vector_file_path=r"C or D:pathshapefilename.shp"
vector_data=gpd.read_file(vector_file_path)
vector_bound_coordinates= vector_data['geometry']
vector_bound_coordinates.bounds
out[]:
minx miny maxx maxy
0 78.158751 19.172422 78.977808 19.916980
1 77.423083 26.741696 78.854721 27.409776
2 71.839711 21.984888 72.843705 23.508623
3 73.908371 25.647207 75.353247 26.978540
4 76.692215 20.274559 77.620988 21.247055
... ... ... ... ...
712 86.796486 23.409566 87.539374 23.880466
713 87.054093 21.763803 87.892579 22.951303
714 87.438626 22.932676 88.419780 23.843992
715 85.832496 22.703573 86.899489 23.697929
716 87.809878 25.241873 88.533093 26.496043
Answered by Abhilash Singh Chauhan on July 3, 2021
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