/[thuban]/trunk/thuban/Extensions/wms/parser.py
ViewVC logotype

Diff of /trunk/thuban/Extensions/wms/parser.py

Parent Directory Parent Directory | Revision Log Revision Log | View Patch Patch

revision 2133 by joey, Wed Mar 24 19:31:54 2004 UTC revision 2145 by joey, Tue Mar 30 18:05:53 2004 UTC
# Line 183  class WMSCapabilitiesParser: Line 183  class WMSCapabilitiesParser:
183                  self.layers[index]['bbox'][srs][corner] \                  self.layers[index]['bbox'][srs][corner] \
184                      = foo.attributes.get(corner).nodeValue                      = foo.attributes.get(corner).nodeValue
185                            
         # Check for integrity  
         self.checkLayerSRS(index)  
   
186          # Traverse subsidiary layers          # Traverse subsidiary layers
187          sublayer = getElementsByName(top, 'Layer')          sublayer = getElementsByName(top, 'Layer')
188          for l in sublayer:          for l in sublayer:
189              self.peekLayers(l, index)              self.peekLayers(l, index)
190    
191    
     def checkLayerSRS(self, index):  
         """  
         Checks the integrity of the underlying XML data.  
   
         This is done by comparing the <SRS> elements with the  
         calculated list from the BoundingBox elements.  
   
         index -- position in the layers array to check  
         """  
   
         pivot = index  
         calculated = []  
         while pivot != -1:  
             if 'bbox' in self.layers[pivot]:  
                 for srs in self.layers[pivot]['bbox'].keys():  
                     if srs not in calculated:  
                         calculated.append(srs)  
             pivot = self.layers[pivot]['parent']  
   
         pivot = index  
         specified = []  
         while pivot != -1:  
             if 'srs' in self.layers[pivot]:  
                 for srs in self.layers[pivot]['srs']:  
                     if srs not in specified:  
                         specified.append(srs)  
             pivot = self.layers[pivot]['parent']  
   
         equal = True  
         # Check for same number of elements  
         if len(calculated) != len(specified):  
             equal = False  
   
         # Loop through all elements for existance  
         for elm in calculated:  
             if elm not in specified:  
                 equal = False  
   
         if not equal:  
             if self.srs_discrepancies is None:  
                 self.srs_discrepancies = []  
             if 'name' in self.layers[index]:  
                 id = "name:%s" % self.layers[index]['name']  
             else:  
                 id = "title:%s" % self.layers[index]['title']  
             self.srs_discrepancies.append(id)  
   
   
192      def getTitle(self):      def getTitle(self):
193          """          """
194          Returns the main title of the WMS object.          Returns the main title of the WMS object.
# Line 385  class WMSCapabilitiesParser: Line 334  class WMSCapabilitiesParser:
334          - Layers may optionally add to the global SRS list, or to the          - Layers may optionally add to the global SRS list, or to the
335            list inherited from a parent layer.            list inherited from a parent layer.
336    
337            - A server which has the ability to transform data to
338              different SRSes may choose not to provide an explicit
339              BoundingBox for every possible SRS available for each Layer.
340              Thus the list of <SRS> elements are authoritative.
341    
342          This implementation returns the list of SRS for the given          This implementation returns the list of SRS for the given
343          layer, calculated by looking at BoundingBoxes defined in the          layer, calculated by looking at BoundingBoxes defined in the
344          named layer and all layers higher in the hierarchy up to the          named layer and all layers higher in the hierarchy up to the
# Line 400  class WMSCapabilitiesParser: Line 354  class WMSCapabilitiesParser:
354    
355          result = []          result = []
356          while pivot != -1:          while pivot != -1:
357              if 'bbox' in self.layers[pivot]:              if 'srs' in self.layers[pivot]:
358                  for srs in self.layers[pivot]['bbox'].keys():                  for srs in self.layers[pivot]['srs']:
359                      if srs not in result:                      if srs not in result:
360                          result.append(srs)                          result.append(srs)
361              pivot = self.layers[pivot]['parent']              pivot = self.layers[pivot]['parent']
Legend:
Removed from v.2133  
changed lines
  Added in v.2145
[email protected]
 ViewVC Help
Powered by ViewVC 1.1.26