[Community] shapely: unable to get numpy array from linestring geometry

[sgillies at frii.com]

You're welcome.

> Sean,
>
>  r875 did the trick. Thanks.
>
> -m
>
> On 9/13/07, Sean Gillies <sgillies at frii.com> wrote:
>> Matthew Perry wrote:
>> > Sean,
>> >
>> >  Thanks for helping me out with this. I've printed the info below and
>> > attached my test shapefile....
>> >
>> >
>> > On 9/13/07, Sean Gillies <sgillies at frii.com> wrote:
>> >> Matthew Perry wrote:
>> >>> Any ideas why the linestring geometry is not properly converted to a
>> >>> numpy array?
>> >>  Can you give me more information? Print out
>> >>
>> >>    geom.geom_type
>> >
>> > LineString
>> >
>> >>    geom.coords
>> >
>> >
>> > <shapely.geometry.base.CoordinateSequence object at 0x8afc14c>
>> >
>> >
>> >>    line # should be a numpy array
>> >
>> > LINESTRING (-118.1344542359263414 36.1719818088280292,
>> > -118.0363326316767854 36.3323268694309576, -118.2253962105966565
>> > 36.3514725483089194, -118.3043721359682365 36.6578034103562942,
>> > -118.1679591739627\
>> > 710 36.8205416808189625, -118.0578715204144942 36.8755855075931009,
>> > -118.0650511499937352 37.0024256301595926, -118.2253962105966565
>> > 37.1220861231468504, -118.5173678134855635 37.0861879752506738, -118.\
>> > 5317270726440313 37.0742219259519459, -118.5412999120830051
>> > 36.9617410625439291, -118.6657468247897640 36.8109688413799816,
>> > -118.8931017614655445 36.6841287188134899, -118.8931017614655445
>> > 36.4926719300\
>> > 338789, -118.9170338600630004 36.3131811905529958,
>> > -118.7064313924054204 36.2174527961631867, -118.6992517628261936
>> > 36.1336904510721055, -118.7878005276367617 36.0236027975238287,
>> > -119.0031894150138214 \
>> > 35.9518065017314754, -119.0031894150138214 35.9518065017314754,
>> > -118.9749086902324393 36.1107213805937803)
>> >
>> >>    geom.__array_interface__
>> >
>> > Traceback (most recent call last):
>> >   File "<stdin>", line 1, in <module>
>> >   File "/tmp/python-738I1s.py", line 272, in <module>
>> >     print geom.__array_interface__
>> >   File "build/bdist.linux-i686/egg/shapely/geometry/linestring.py",
>> > line 164, in __array_interface__
>> >   File "build/bdist.linux-i686/egg/shapely/geometry/linestring.py",
>> > line 144, in ctypes
>> > TypeError: unsupported operand type(s) for *: 'int' and 'NoneType'
>> >
>> >
>> >> before you print line[0]. Which of the alpha versions are you using?
>> >>
>> >
>> > I'm using svn, revision 874. I had the same issue with alpha2.
>> >
>>
>> Matt,
>>
>> I found and fixed a bug. Try updating to r875?
>>
>> I'll be offline the rest of the day but will check in later tonight.
>>
>> Cheers,
>> Sean
>> _______________________________________________
>> Community mailing list
>> Community at lists.gispython.org
>> http://lists.gispython.org/mailman/listinfo/community
>>
>
>
> --
> Matthew T. Perry
> http://www.perrygeo.net
>
> "You never change things by fighting the existing reality.
> To change something, build a new model that makes
> the existing model obsolete" - R. Buckminster Fuller
> _______________________________________________
> Community mailing list
> Community at lists.gispython.org
> http://lists.gispython.org/mailman/listinfo/community
>