/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/Model/proj.py
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revision 694 by bh, Tue Aug 28 15:41:52 2001 UTC revision 695 by jonathan, Wed Apr 16 16:39:36 2003 UTC
# Line 15  class Projection(BaseProjection): Line 15  class Projection(BaseProjection):
15    
16      """A proj4 projection object that remembers the parameters"""      """A proj4 projection object that remembers the parameters"""
17    
18      def __init__(self, params):      def __init__(self, params, name = "Unknown"):
19          BaseProjection.__init__(self, params)          BaseProjection.__init__(self, params)
20          self.params = params          self.params = params
21            self.name = name
22    
23      def ForwardBBox(self, bbox):      def ForwardBBox(self, bbox):
24          """Return the bounding box of the corners of the bounding box bbox          """Return the bounding box of the corners of the bounding box bbox
# Line 35  class Projection(BaseProjection): Line 36  class Projection(BaseProjection):
36          x, y = self.Forward(urx, lly)          x, y = self.Forward(urx, lly)
37          xs.append(x); ys.append(y)          xs.append(x); ys.append(y)
38          return min(xs), min(ys), max(xs), max(ys)          return min(xs), min(ys), max(xs), max(ys)
39    
40        def GetName(self):
41            return self.name
42    
43        def GetParameters(self):
44            return self.params
45    
46        def __repr__(self):
47            return repr(self.params)
48    
49    class ProjFile:
50    
51        def __init__(self, filename):
52            self.projs = []
53    
54            self.SetFileName(filename)
55        
56        def Add(self, proj):
57            self.projs.append(proj)
58    
59        def GetFileName(self):
60            return self.filename
61    
62        def SetFileName(self, filename):
63            self.filename = filename
64    
65        def GetProjections(self):
66            return self.projs
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