in fact I tried this and problem solved I have no idea why this happened geom_t = feat.geom.transform(wgs84, clone=True) geom= GEOSGeometry(geom_t.wkt,4326)
On Wednesday, May 23, 2018 at 7:54:46 PM UTC+4:30, Daniel Germano Travieso wrote: > > Hello! > > You should probably use the LineString from django.contrib.gis.geos to > store Geo objects on the database > > Hope it helps. > > *[]'s* > *Daniel Germano Travieso* > *Engenharia da Computação Turma: 013* > *Unicamp* > > On Wed, May 23, 2018 at 11:54 AM, Majid Hojati <[email protected] > <javascript:>> wrote: > >> Hi, >> I tried to read data from a shape file and save them into database. well >> here is my code >> >> >> lyr = ds[0] >> >> for feat in lyr: >> geom_t = feat.geom.transform(wgs84, clone=True) >> print(geom_t.wkt) >> print(feat.geom.wkt) >> >> name ='' >> Twoway='1' >> >> data = { >> 'name': name, >> 'Twoway': Twoway, >> 'geom': geom_t.wkb >> } >> form = Street_Form(data) >> if form.is_valid(): >> savedlocation = form.save() >> >> >> well it saves and works fine. I printed some of my geometries as wkt before >> saving to databse and here is the result >> >> >> LINESTRING (50.9847540637495 35.8384680697353,50.9850968571006 >> 35.8383655346687) >> LINESTRING (50.9847540637495 35.8384680697353,50.9850968571006 >> 35.8383655346687) >> >> >> As you can see they are EPSG:4326 and nothing is wrong. >> Here is my model >> >> class str(models.Model): >> geom = models.LineStringField(srid=4326) >> >> >> but when I read data from database they are as following >> >> >> "LINESTRING(0.000457917485762628 0.000321907544087987,0.000457920236524686 >> 0.000321915031075541)" >> >> >> the above result is from this query >> >> >> select st_astext(geom) from public."app_str" >> >> >> well the geometries are misplaced, where is the problem?why this happens? >> >> -- >> You received this message because you are subscribed to the Google Groups >> "Django users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected] >> <javascript:>. >> Visit this group at https://groups.google.com/group/django-users. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/django-users/76979930-39f5-4deb-9c95-dcf3d7f55f97%40googlegroups.com >> >> <https://groups.google.com/d/msgid/django-users/76979930-39f5-4deb-9c95-dcf3d7f55f97%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> For more options, visit https://groups.google.com/d/optout. >> > > -- You received this message because you are subscribed to the Google Groups "Django users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/django-users. To view this discussion on the web visit https://groups.google.com/d/msgid/django-users/167690aa-e363-4789-a115-11026079c2de%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
