update

rog/views.py

@@ -15,6 +15,7 @@ from .serializers import TestSerialiser
 from .models import TestModel
 from django.shortcuts import get_object_or_404
 from django.db.models import F
+from django.contrib.gis import geos
 
 
 
@@ -69,6 +70,22 @@ def LocationsInSubPerf(request):
     serializer = LocationSerializer(locs, many=True)
     return JsonResponse(serializer.data, safe=False)
 
+
+def LocationInBound(request):
+    lat1 = float(request.GET.get('la1'))
+    lon1 = float(request.GET.get('ln1'))
+    lat2 = float(request.GET.get('la2'))
+    lon2 = float(request.GET.get('ln2'))
+    lat3 = float(request.GET.get('la3'))
+    lon3 = float(request.GET.get('ln3'))
+
+    pl = geos.Polygon(((lon1, lat1), (lon2, lat2), (lon3, lat3), (lon1, lat1)), srid=4326)
+    res = Location.objects.filter(geom__within=pl)
+    serializer = LocationSerializer(res, many=True)
+    return JsonResponse(serializer.data, safe=False)
+
+
+
     
 def SubInPerf(request):
     prefecture = request.GET.get('perf')