Sorry, i forgot to mention that this is the model field I am retrieving user's locations from:
location = geomodels.PointField(null=True, blank=True) which comes back as: POINT(longitude, latitude) and we are using a PostGreSQL database. On Aug 29, 6:45 pm, kyleduncan <[email protected]> wrote: > Hi all, > > I am trying to do obtain the distance between two users on my site, > using code I found in this group. We already have geoDjango installed, > though i'm wondering if my problem comes from being on an old version > (i dont know which version we're using - if somebody could tell me how > to check that would be great). We are running Django 1.1 > > the code i am using is: > > from django.contrib.gis.geos import Point > from django.contrib.gis.measure import D > > my_location = request.user.get_profile().location > their_location = other_user.get_profile().location > > my_location.transform(4326) > their_location.transform(4326) > distance = my_location.distance(their_location) > > if request.user.get_profile().get_preferences().use_metric > == 1: > distance_result = > round(D(m=my_location.distance(their_location)).km, 1) > else: > distance_result = > round(D(m=my_location.distance(their_location)).mi, 1) > > the last section is just a check to see whether the user wants the > result in miles or km. the bit that's troubles me is the transform() > section. if i put in 4326, i just get 0.0 as the result. if i put in > nothing so it's just transform() (which i understand should use 4326), > i get this django Error: > > TypeError at /members/GayHopHelper/ > > transform() takes at least 2 arguments (1 given) > > the only thing that works so far is using SRID 32140, which is for > south texas. the results seem ok but definitely a bit inaccurate, > which is to be expected. > > i'm not a Django export at all so maybe this all just comes from being > on an old version of GeoDjango and i need to upgrade. if that's all it > is then sorry for wasting time (i'm not a sys admin and dont know much > about Django so cant upgrade myself easily). -- You received this message because you are subscribed to the Google Groups "Django users" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/django-users?hl=en.
