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fix axis ordering for epsg codes >=4000 and <5000 - based on patch from crschmidt (thanks) - closes #241

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Dane Springmeyer 2009-03-31 17:09:36 +00:00
parent 4a3a9128ec
commit a7d8e7b240
1 changed files with 16 additions and 1 deletions
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17
bindings/python/mapnik/ogcserver/wms130.py
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@ -23,7 +23,7 @@
from common import ParameterDefinition, Response, Version, ListFactory, \
ColorFactory, CRSFactory, CRS, WMSBaseServiceHandler, \
BaseExceptionHandler, Projection
BaseExceptionHandler, Projection, Envelope
from exceptions import OGCException, ServerConfigurationError
from lxml import etree as ElementTree
from mapnik import Coord
@ -219,6 +219,21 @@ class ServiceHandler(WMSBaseServiceHandler):
if params['width'] > int(self.conf.get('service', 'maxwidth')) or params['height'] > int(self.conf.get('service', 'maxheight')):
raise OGCException('Requested map size exceeds limits set by this server.')
return WMSBaseServiceHandler.GetMap(self, params)
def _buildMap(self, params):
""" Override _buildMap method to handle reverse axis ordering in WMS 1.3.0.
More info: http://mapserver.org/development/rfc/ms-rfc-30.html
'when using epsg code >=4000 and <5000 will be assumed to have a reversed axes.'
"""
# Call superclass method
m = WMSBaseServiceHandler._buildMap(self, params)
# for range of epsg codes reverse axis
if params['crs'].code >= 4000 and params['crs'].code < 5000:
m.zoom_to_box(Envelope(params['bbox'][1], params['bbox'][0], params['bbox'][3], params['bbox'][2]))
return m
class ExceptionHandler(BaseExceptionHandler):