def find_weather_stations(request):
if request.method == 'POST':
form = SearchForm(request.POST)
if form.is_valid():
location = urllib.quote_plus(form.cleaned_data['location'])
request_url = "http://maps.google.com/maps/geo?q=%s&output=%s&key=%s" % (location, "csv", settings.GOOGLE_MAPS_API_KEY)
data = urllib.urlopen(request_url).read()
dlist = data.split(',')
if dlist[0] == '200':
point = Point((float(dlist[3]), float(dlist[2])),)
else:
point = None
markers = []
if point:
marker = GMarker(point, request.POST['location'])
marker.add_event(GEvent('click', 'function() { geodjango.map_marker1.openInfoWindowHtml("%s") }' % form.cleaned_data['location']))
# the gis.maps.google.* stuff doesn't allow for ^^^^^ dynamic naming of these - with multiple points, it will be
# necessary to for loop through the points with your own counter (start from zero) and that should coincide with
# the template forloop counter being used - but by all means cross-check that every time to make sure it's right.
markers.append(marker)
weather_stations = find_nearest_weather_stations(point, qty=10)
count = 2
for station in weather_stations:
marker = GMarker(station.point, '%s %s' % (station.code, station.get_name()))
marker.add_event(GEvent('click', 'function() { geodjango.map_marker%s.openInfoWindowHtml("%s"); }' % \
(count, "%s, (altitude %s ft.) - %s mi @ %s deg""" \
% (station.code, floatformat(m_to_ft(station.elevation), 0), floatformat(station.distance.mi, 2), floatformat(rad_to_deg(station.azimuth))))
))
markers.append(marker)
count = count + 1
map = GoogleMap(key=settings.GOOGLE_MAPS_API_KEY, markers=markers)
return render_to_response('locationfinder.html', {
'location': form.cleaned_data['location'],
'location_point': point,
'google': map,
'weather_stations': weather_stations,
})
else:
return render_to_response('locationfinder.html', {
'location': location,
})
else:
return render_to_response('locationfinder.html', {'form': form,})
else:
form = SearchForm()
return render_to_response('locationfinder.html', {'form': form,})
def googleMapShowUtils(points):
markers = []
for point in points:
marker = GMarker('POINT(%s %s)' % (point['lng'], point['lat']))
event = GEvent('click',
'function() { location.href = "%s"}' % point['href'])
marker.add_event(event)
markers.append(marker)
google = GoogleMap(center=(0, 0),
zoom=1,
markers=markers,
key=settings.GOOGLE_MAPS_API_PASSWORD)
return google
#add search utility here
def gmap(self):
"""return a gmap object that we can use in templates"""
gmap = cache.get('place_%s_gmap' % (self.id))
if not gmap:
area_polygons = []
area_markers = []
districts = self.in_districts()
for district in districts:
try:
area = district.area.difference(district.area.difference(self.area)) # find the part of the district that is inside the place ( district - (district - area))
except Exception, e:
# the above sometimes flips out with a geometry error with particularly odd shapes. (See flagstaff.)
# in that case, get the bounding box for an area and use that as the cut-out shape instead.
area = district.area.difference(district.area.difference(self.area.envelope))
icon = GIcon('district_%d' % district.id, '/images/markers/district_markers%d.png' % district.id, iconsize=(29, 32), iconanchor=(0,32), shadow='/images/markers/shadow_fake.png')
if area.area > 0.0005:
try:
gp = GPolygon(area, stroke_color="#000", fill_color=district.color, fill_opacity="0.2")
area_polygons.append(gp)
# if the centroid is not on the surface of the shape, get a point on the surface
if area.centroid.within(area):
marker = GMarker(area.centroid, icon=icon)
else:
marker = GMarker(area.point_on_surface, icon=icon)
event = GEvent('click',
'function() { location.href = "%s"}' % ( district.get_absolute_url() ))
marker.add_event(event)
print("check %s %s" % (district.id, area.area))
area_markers.append(marker)
except Exception, e:
if area.centroid.within(area):
marker = GMarker(area.centroid, icon=icon)
else:
marker = GMarker(area.point_on_surface, icon=icon)
event = GEvent('click',
'function() { location.href = "%s"}' % ( district.get_absolute_url() ))
marker.add_event(event)
area_markers.append(marker)
for poly in area:
try:
gp = GPolygon(poly, stroke_color="#000", fill_color=district.color, fill_opacity="0.2")
area_polygons.append(gp)
print("check %s %s" % (district.id, poly.area))
except Exception, e:
print e
def google_map(request):
points = [
{
'lat': '35.42',
'lng': '139.42',
'href': 'http://en.wikipedia.org/wiki/Tokyo'
},
{
'lat': '51.30',
'lng': '0.73',
'href': 'http://en.wikipedia.org/wiki/London'
},
{
'lat': '40.43',
'lng': '-74.0',
'href': 'http://en.wikipedia.org/wiki/New_York_City'
},
{
'lat': '34.03',
'lng': '-118.15',
'href': 'http://en.wikipedia.org/wiki/Los_Angeles'
},
{
'lat': '36.774402',
'lng': '-119.755405',
'href': 'http://en.wikipedia.org/wiki/Fresno'
},
]
markers = []
for point in points:
marker = GMarker('POINT(%s %s)' % (point['lng'], point['lat']))
event = GEvent('click',
'function() { location.href = "%s"}' % point['href'])
marker.add_event(event)
markers.append(marker)
google = GoogleMap(center=(0, 0),
zoom=1,
markers=markers,
key=settings.GOOGLE_MAPS_API_PASSWORD)
return render(request, 'rango/google_map.html', {'google': google})
