/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/proj.py
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revision 1802 by bh, Thu Oct 9 15:18:35 2003 UTC revision 1815 by bh, Mon Oct 13 15:53:39 2003 UTC
# Line 22  class Projection(BaseProjection): Line 22  class Projection(BaseProjection):
22    
23      """A proj4 projection object that remembers the parameters"""      """A proj4 projection object that remembers the parameters"""
24    
25      def __init__(self, params, name = None):      def __init__(self, params, name = None, epsg = None):
26          """Initialize the Projection with a list of          """Initialize the Projection
27          'parameter=value' strings and an optional name. If 'name' is  
28          None, the name will be set to 'Unknown' in the local language.          Parameters:
29          """  
30            params -- a list of 'parameter=value' strings
31    
32            name -- (optional) The name of the projectin. If None or omitted
33                    it defaults to 'Unknown' in the local language.
34    
35            epsg -- (optional) The EPSG code as a string.
36            """
37          BaseProjection.__init__(self, params)          BaseProjection.__init__(self, params)
38    
39          if name is None:          if name is None:
# Line 35  class Projection(BaseProjection): Line 41  class Projection(BaseProjection):
41          elif isinstance(name, StringTypes):          elif isinstance(name, StringTypes):
42              self.name = name              self.name = name
43    
44            self.epsg = epsg
45          self.params = params          self.params = params
46    
47      def ForwardBBox(self, bbox):      def ForwardBBox(self, bbox):
# Line 59  class Projection(BaseProjection): Line 66  class Projection(BaseProjection):
66          """Return the name of the projection."""          """Return the name of the projection."""
67          return self.name          return self.name
68    
69        def Label(self):
70            if self.epsg:
71                return "EPSG % 5s %s" % (self.epsg, self.name)
72            return self.name
73    
74        def EPSGCode(self):
75            """Return the EPSG code as a string or None if there is none"""
76            return self.epsg
77    
78      def GetParameter(self, param):      def GetParameter(self, param):
79          """Return the projection value for the given parameter.          """Return the projection value for the given parameter.
80    
# Line 93  class Projection(BaseProjection): Line 109  class Projection(BaseProjection):
109      def __repr__(self):      def __repr__(self):
110          return self.name + ": " + repr(self.params)          return self.name + ": " + repr(self.params)
111    
112    
113  class ProjFile:  class ProjFile:
114    
115      def __init__(self, filename):      def __init__(self, filename):
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