geopandas bug ?

[Xristos Xristoou]

Τη Σάββατο, 14 Ιανουαρίου 2017 - 8:09:53 μ.μ. UTC+2, ο χρήστης duncan smith έγραψε:
> On 14/01/17 14:59, Xristos Xristoou wrote:
> > Τη Σάββατο, 14 Ιανουαρίου 2017 - 4:38:39 μ.μ. UTC+2, ο χρήστης duncan smith έγραψε:
> >> On 14/01/17 11:18, Xristos Xristoou wrote:
> >>> i want  to create a simple spatial joing using geopandas but i thing so geopandas has bug ?
> >>>
> >>>
> >>>
> >>> 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 ?
> >>>
> >>
> >>
> >> import geopandas as gpd
> >> import pandas as gpd
> >>
> >> Does pandas have an attribute 'sjoin'?
> >>
> >> Duncan
> > 
> > i dont know i follow detais i am newbie
> > 
> 
> You import geopandas as gpd, then import pandas as gpd. So maybe you
> think gpd refers to geopandas while it actually refers to pandas. I
> don't know geopandas or pandas, but you should check your imports.
> 
> Duncan

@Duncan i see that and i remove line with pandas ans no change