class MakeLine(geo_field)  
Availability: PostGIS, SpatiaLite
Returns a LineString constructed from the point field geometries in the QuerySet. Currently, ordering the queryset has no effect.
 Changed in Django 1.10: 
SpatiaLite support was added.
Example:
>>> qs = City.objects.filter(name__in=('Houston', 'Dallas')).aggregate(MakeLine('poly'))
>>> print(qs['poly__makeline'])
LINESTRING (-95.3631510000000020 29.7633739999999989, -96.8016109999999941 32.7820570000000018)
 
          
Please login to continue.