[gdal-dev] Ellipsoidal length of a line

[Nicolas Cadieux]

Thanks,

The link brings me to some helpful packages.  I thought gdal could be helpful as is has a very good OGR library that deals with this stuff.  

Nicolas

> Le 14 juin 2019 à 12:19, Atle Frenvik Sveen <atle at frenviksveen.net> a écrit :
> 
> Hi! 
> 
> Not sure if would want to use gdal for this task*, but take a look at this blog post: 
> 
> https://janakiev.com/blog/gps-points-distance-python/
> 
> 
> *or if it's doable, i guess not, since the scope of gdal is reading/writing geospatial formats
> 
> -a
> 
> - 
>  Atle Frenvik Sveen
>  atle at frenviksveen.net
>  45278689
>  atlefren.net
> 
>> On Fri, Jun 14, 2019, at 17:32, Nicolas Cadieux wrote:
>> Hi,
>> 
>> I am trying to get the length of a line in python. (Not just the 
>> straight length between the first and last nodes).  Using geopandas, 
>> (therefore the Shapely lib) I am getting the euclidien distance even 
>> though the dataframe holdings the line geometries has a CRS (WGS84, 
>> zone UTM 18 S).  Obviously, the WGS84 Ellipsoid is not taken into 
>> account.  
>> 
>> Can I do this with gdal/ogr? 
>> 
>> Thanks for the help
>> Nicolas
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