# Create your views here. # from django.template import Context, loader # from django.http import HttpResponse, HttpResponseNotFound, Http404, HttpResponseRedirect # from django.shortcuts import render_to_response, get_object_or_404, get_list_or_404 # from references.models import UserReference, SpatialRefSys, SpatialRefAttribute # from references.forms import Upload # from osgeo import osr # import urllib # # from django.conf import settings # # from recaptcha import captcha # from graticules import render as gratrender # fetching toWGS84 stuff # operations = EpsgCoordoperation.objects.filter(target_crs_code=4326,source_crs_code=4194) # methods = [a.coord_op_method for a in operations] # y = EpsgCoordoperationparamvalue.objects.filter(coord_op_code=1797, coord_op_method_code__in=[9603, 9606, 9607]) # def main_page(request): # recent_uploads = UserReference.objects.all().order_by('-id')[0:5] # recent_views = SpatialRefAttribute.objects.all().order_by('-last_changed', '-views')[0:5] # return render_to_response('references/index.html', {'recent_uploads': recent_uploads, 'recent_views': recent_views}) # def user_upload(request): # value = 'Post Your Projection' # if request.method == 'POST': # check_captcha = captcha.submit( request.POST['recaptcha_challenge_field'], \ # request.POST['recaptcha_response_field'], \ # settings.RECAPTCHA_PRIVATE_KEY, \ # request.META['REMOTE_ADDR']) # form = Upload(request.POST) # if form.is_valid() and check_captcha.is_valid: # form.save() # #form.cleaned_data['creator'] = request.user # return HttpResponseRedirect('/') # else: # form = Upload() # return render_to_response('upload.html', {'form': form, 'value': value}) # def my_post_free_comment(request): # if request.POST.has_key('url'): # url = request.POST['url'] # else: # url = '/comments/posted.html' # response = post_free_comment(request) # return HttpResponseRedirect(url) # def old_url(request, code = None, type = None, id = None, output = None ): # response = render_to_response("references/404.html", # {'title': "Old URL", # "text": "You are using an old URL. You should be using /ref%s instead." % (request.path, request.path) # }) # response.status_code = 404 # return response # # def render(request, code): # srs = get_object_or_404(SpatialRefSys, pk=int(code)) # try: # minx = srs.epsg_ref_sys_code.area_of_use_code.area_west_bound_lon # miny = srs.epsg_ref_sys_code.area_of_use_code.area_south_bound_lat # maxx = srs.epsg_ref_sys_code.area_of_use_code.area_east_bound_lon # maxy = srs.epsg_ref_sys_code.area_of_use_code.area_north_bound_lat # except Exception, E: # error = {'title': 'Invalid Render Request', 'text': "Can't render that image.", 'exception': E} # response = render_to_response("references/404.html", error) # return response # # b = (minx, miny, maxx, maxy) # o = gratrender.render(b, 'http://spatialreference.org/ref/epsg/%s/proj4/'%int(code)) # data = o.read() # response = HttpResponse() # response.write(data) # response['Content-length'] = str(len(data)) # response['Content-Type'] = 'image/png' # return response # def response(feature, callback): # import simplejson # response = HttpResponse() # if callback: # response.write('%s(%s);' % (callback, simplejson.dumps(feature))) # else: # response.write('%s'%simplejson.dumps(feature)) # response['Content-length'] = str(len(response.content)) # response['Content-Type'] = "application/json" # return response # def user_download(request): # list = UserReference.objects.all().order_by('id') # response = HttpResponse() # output = [] # for item in list: # output.append("# %s" % item.title) # output.append("<%s> %s" % (item.id, item.ref.proj4text)) # response.write('%s' % "\n".join(output)) # response['Content-length'] = str(len(response.content)) # response['Content-Type'] = "text/plain" # return response # # def index(request, type, code): # if request.META.has_key("HTTP_ACCEPT"): # if request.META['HTTP_ACCEPT'] in FORMATS: # return epsg(request, type, code, FORMATS[request.META['HTTP_ACCEPT']]) # try: # ref = osr.SpatialReference() # ref.ImportFromEPSG(int(code)) # except RuntimeError, E: # error = {'title': 'Invalid Projection', 'text': "OGR Failed to load the requested projection", 'exception': E} # response = render_to_response("references/404.html", error) # response.status_code = 404 # return response # srs = SpatialRefAttribute.objects.get(ref=int(code)) # srs.add_count() # next = prev = None # try: # next = SpatialRefSys.objects.filter(srid__gt=srs.srid()).order_by('srid')[0] # except IndexError: # pass # try: # prev = SpatialRefSys.objects.filter(srid__lt=srs.srid()).order_by('-srid')[0] # except IndexError: # pass # type = srs.auth_name() # # type = type.upper() # # # return render_to_response('references/epsg_index.html', # {'type': type, # 'code': code, # 'openid': request.openid, # 'srs':srs, # 'next':next, # 'prev': prev # }) # def user_list(request): # if request.method == "POST": # data = request.POST['input'] # sr = osr.SpatialReference() # sr.SetFromUserInput(data) # if request.POST.has_key('esriwkt') and request.POST['esriwkt'] == 'yes': # sr.MorphFromESRI() # wkt = sr.ExportToWkt() # ref = UserReference(title=request.POST['title'], proj4text=wkt, views=0, # description = request.POST['description'] ) # if request.openid: # ref.creator = str(request.openid) # ref.slug = ref.gen_slug() # ref.save() # # return HttpResponseRedirect('/ref/user/%s/' % ref.id) # # else: # template_data = code_listing(request, UserReference, "-id") # template_data['openid'] = request.openid # template_data['epsg_results'] = count_results(request, SpatialRefSys) # return render_to_response('references/user_list.html', template_data) # def epsg_list(request): # template_data = code_listing(request, SpatialRefSys, "srid") # template_data['user_results'] = count_results(request, UserReference) # return render_to_response('references/epsg_list.html', template_data) # # def count_results(request, ref_class): # list = ref_class.objects.all() # search = {} # if request.GET.has_key('search'): # search['search'] = request.GET['search'] # for term in request.GET['search'].split(" "): # if request.GET.has_key('srtext') or request.GET.has_key('wkt'): # if ref_class == SpatialRefSys: # search['srtext'] = 'true' # list = list.filter(srtext__icontains=term) # else: # search['wkt'] = 'true' # list = list.filter(wkt__icontains=term) # else: # list = list.filter(title__icontains=term) # # return {'count':list.count(),'search_link':urllib.urlencode(search)} # # def code_listing(request, ref_class, order): # per_page = 50 # start = 0 # page = 0 # prev_page = next_page = exact = None # # # list = ref_class.objects.all() # # search = {} # search_text = '' # if request.GET.has_key('search'): # for term in request.GET['search'].split(" "): # if request.GET.has_key('srtext'): # list = list.filter(srtext__icontains=term) # search['srtext'] = 'true' # elif request.GET.has_key('wkt'): # list = list.filter(proj4text__icontains=term) # search['wkt'] = 'true' # else: # list = list.filter(spatialrefattribute__title__icontains=term) # search['search'] = request.GET['search'] # search_text = request.GET['search'] # if search_text.isdigit(): # try: # exact = ref_class.objects.get(pk=search_text) # except: # pass # search_string = urllib.urlencode(search) # if search_string: # search_string = "&%s" % search_string # # # if request.GET.has_key('page'): # page = int(request.GET['page']) - 1 # start = page * per_page # # list = list.order_by(order)[start:start + per_page] # # if page > 0: # prev_page = page # if len(list) == per_page: # next_page = page + 2 # return {'list':list,'prev_page':prev_page, 'next_page': next_page, 'link_str':search_string, 'search_text': search_text, 'exact':exact} # # def user_index(request, code): # if code.isdigit(): # item = get_object_or_404(UserReference, pk=int(code)) # else: # item = get_object_or_404(UserReference, slug=code) # if request.META.has_key("HTTP_ACCEPT"): # if request.META['HTTP_ACCEPT'] in FORMATS: # return user(request, code, FORMATS[request.META['HTTP_ACCEPT']]) # item.views += 1 # item.save() # return render_to_response('references/user_index.html', {'item':item, 'openid': request.openid}) # # def user(request, code, output): # if code.isdigit(): # item = get_object_or_404(UserReference, pk=int(code)) # else: # item = get_object_or_404(UserReference, slug=code) # try: # ref = osr.SpatialReference() # ref.SetFromUserInput(item.ref.proj4text) # except Exception, E: # error = {'title': 'Invalid User Projection', 'text': "OGR Failed to load the requested projection.", 'exception': E} # response = render_to_response("references/404.html", error) # response.status_code = 404 # return response # # try: # return output_proj(request, ref, output, item.id) # except FormatError: # return HttpResponseRedirect('/ref/user/%s/' % code) # def epsg(request, type, code, output): # try: # ref = osr.SpatialReference() # ref.ImportFromEPSG(int(code)) # except: # error = {'title': 'Invalid Projection', 'text': "OGR Failed to load the requested projection.", 'exception': E} # response = render_to_response("references/404.html", error) # response.status_code = 404 # return response # try: # return output_proj(request, ref, output, code) # except FormatError: # return HttpResponseRedirect('/ref/%s/%s/' % (type,code)) # def output_proj(request, ref, output, code = None): # ct = "text/plain" # if output.upper() =='PROJ4': # out = ref.ExportToProj4() # elif output.upper() == 'PROJ4JS': # out = ref.ExportToProj4() # projObj = "Proj4js.defs" # if request.GET.has_key('obj'): # projObj = request.GET['obj'] # if code: # out = '%s["EPSG:%s"] = "%s";' % (projObj, code, out) # elif output.upper() == 'PRETTYWKT': # out = ref.ExportToPrettyWkt() # elif output.upper() == 'OGCWKT': # out = ref.ExportToWkt() # elif output.upper() == 'ESRIWKT': # ref.MorphToESRI() # out = ref.ExportToWkt() # elif output.upper() == 'GML': # out = ref.ExportToXML() # elif output.upper() == 'USGS': # out = ref.ExportToUSGS() # elif output.upper() == 'MAPFILE': # out = 'PROJECTION\n\t'+'\n\t'.join(['"'+l.lstrip('+')+'"' for l in ref.ExportToProj4().split()])+'\nEND' # elif output.upper() == 'POSTGIS': # out = 'INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9%s, \'spatialreference.org\', %s, \'%s\', \'%s\');' % (code, code, ref.ExportToProj4(), ref.ExportToWkt()) # elif output.upper() == 'JSON': # if ref.IsGeographic(): # code = ref.GetAuthorityCode("GEOGCS") # else: # code = ref.GetAuthorityCode("PROJCS") # out = {} # out['type'] = 'EPSG' # out['properties'] = {'code':code} # ct = "application/json" # else: # raise FormatError("No format found for %s" % output) # response = HttpResponse() # response.write('%s'%out) # response['Content-length'] = str(len(response.content)) # response['Content-Type'] = ct # return response