Xristos Xristoou wrote: > i want to create a simple spatial joing using geopandas but i thing so > geopandas has bug ?
Have you tried the examples on <http://geopandas.org/mergingdata.html>? Do they work? If yes, inspect your data, does it have the same format? > geopandas code : > > from geopandas import gpd > import geopandas > points = geopandas.GeoDataFrame.from_file('points.shp') # or geojson etc > polys = geopandas.GeoDataFrame.from_file('polygons.shp') > pointInPoly = gpd.sjoin(points, polys, how='left',op='within') > > error : > > Traceback (most recent call last): > File "/home/sarantis/testshapely/sumpointsinsidepolygon/testgeo.py", > line 7, in <module> > pointInPoly = gpd.sjoin(points, polys, how='left',op='within') > File "/usr/local/lib/python2.7/dist-packages/geopandas/tools/sjoin.py", > line 57, in sjoin > r_idx = np.concatenate(idxmatch.values) > ValueError: need at least one array to concatenate > > and if i change the imports with the some code : > > import geopandas > import pandas as pd > import geopandas as gpd > from geopandas import GeoDataFrame, read_file > from geopandas.tools import sjoin > from shapely.geometry import Point, mapping,shape > import pandas as gpd > > i take that error : > > pointInPoly = gpd.sjoin(points, polys, how='left',op='within') > AttributeError: 'module' object has no attribute 'sjoin' > > > any idea why ? My crystal ball says that either points or polys is empty ;) -- https://mail.python.org/mailman/listinfo/python-list