/[thuban]/branches/WIP-pyshapelib-bramz/Thuban/UI/classgen.py
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revision 978 by frank, Thu May 22 11:40:32 2003 UTC revision 1219 by bh, Mon Jun 16 17:42:54 2003 UTC
# Line 20  from Thuban.Model.range import Range Line 20  from Thuban.Model.range import Range
20    
21  import classifier, resource  import classifier, resource
22    
23  from Thuban.Model.classgen import ClassGenerator, \  from Thuban.Model.classgen import \
24        generate_uniform_distribution, generate_singletons, generate_quantiles, \
25      CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \      CustomRamp, GreyRamp, RedRamp, GreenRamp, BlueRamp, GreenToRedRamp, \
26      HotToColdRamp      HotToColdRamp
27    
# Line 59  class ClassGenDialog(wxDialog): Line 60  class ClassGenDialog(wxDialog):
60          self.layer = layer          self.layer = layer
61          self.clazz = None          self.clazz = None
62    
63          col = layer.table.Column(fieldName)          col = layer.ShapeStore().Table().Column(fieldName)
64          self.type = col.type          self.type = col.type
65    
66          self.fieldName = fieldName          self.fieldName = fieldName
# Line 210  class ClassGenDialog(wxDialog): Line 211  class ClassGenDialog(wxDialog):
211                      and max is not None \                      and max is not None \
212                      and numGroups is not None:                      and numGroups is not None:
213    
214                      self.clazz = ClassGenerator().GenUniformDistribution(                      self.clazz = generate_uniform_distribution(
215                                  min, max, numGroups, ramp,                                  min, max, numGroups, ramp,
216                                  self.type == FIELDTYPE_INT)                                  self.type == FIELDTYPE_INT)
217    
# Line 223  class ClassGenDialog(wxDialog): Line 224  class ClassGenDialog(wxDialog):
224                  if len(list) > 0 \                  if len(list) > 0 \
225                      and numGroups is not None:                      and numGroups is not None:
226    
227                      self.clazz = ClassGenerator().GenSingletonsFromList(                      self.clazz = generate_singletons(
228                                      list, numGroups, ramp)                                      list, numGroups, ramp)
229    
230                      self.parent._SetClassification(self.clazz)                      self.parent._SetClassification(self.clazz)
# Line 237  class ClassGenDialog(wxDialog): Line 238  class ClassGenDialog(wxDialog):
238                  delta = 1 / float(numGroups)                  delta = 1 / float(numGroups)
239                  percents = [delta * i for i in range(1, numGroups + 1)]                  percents = [delta * i for i in range(1, numGroups + 1)]
240                  adjusted, self.clazz = \                  adjusted, self.clazz = \
241                      ClassGenerator().GenQuantiles(_list, percents, ramp, _range)                      generate_quantiles(_list, percents, ramp, _range)
242    
243                  if adjusted:                  if adjusted:
244                      dlg = wxMessageDialog(self,                      dlg = wxMessageDialog(self,
# Line 503  class GenUniformPanel(wxPanel): Line 504  class GenUniformPanel(wxPanel):
504              self.parent.AllowGenerate(False)              self.parent.AllowGenerate(False)
505    
506      def _OnRetrieve(self, event):      def _OnRetrieve(self, event):
507            table = self.layer.ShapeStore().Table()
508          if self.layer.table is not None:          if table is not None:
509              wxBeginBusyCursor()              wxBeginBusyCursor()
510              min, max = self.layer.table.ValueRange(self.fieldName)              try:
511              self.minCtrl.SetValue(str(min))                  min, max = table.ValueRange(self.fieldName)
512              self.maxCtrl.SetValue(str(max))                  self.minCtrl.SetValue(str(min))
513              wxEndBusyCursor()                  self.maxCtrl.SetValue(str(max))
514                finally:
515                    wxEndBusyCursor()
516    
517      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):      def __GetValidatedTypeEntry(self, win, value, type, badValue = None):
518    
# Line 551  class GenUniformPanel(wxPanel): Line 554  class GenUniformPanel(wxPanel):
554          return valid          return valid
555    
556      def __CalcStepping(self, min, max, ngroups):      def __CalcStepping(self, min, max, ngroups):
         step = (max - min) / float(ngroups)  
557          if self.fieldType == FIELDTYPE_INT:          if self.fieldType == FIELDTYPE_INT:
558              step = int(step)              step = int((max - min + 1) / float(ngroups))
559            else:
560                step = (max - min) / float(ngroups)
561    
562          return step          return step
563    
# Line 716  class GenUniquePanel(wxPanel): Line 720  class GenUniquePanel(wxPanel):
720          self.list_avail.DeleteAllItems()          self.list_avail.DeleteAllItems()
721          self.list_avail_data = []          self.list_avail_data = []
722    
723          list = self.layer.table.UniqueValues(self.fieldName)          list = self.layer.ShapeStore().Table().UniqueValues(self.fieldName)
724          index = 0          index = 0
725          for v in list:          for v in list:
726              self.dataList.append(v)              self.dataList.append(v)
# Line 828  class GenQuantilesPanel(wxPanel): Line 832  class GenQuantilesPanel(wxPanel):
832          return self.__range          return self.__range
833    
834      def GetList(self):      def GetList(self):
   
835          _list = []          _list = []
836            table = self.layer.ShapeStore().Table()
837          if self.layer.table is not None:          if table is not None:
838              wxBeginBusyCursor()              wxBeginBusyCursor()
839                try:
840              #                  #
841              # FIXME: Replace with a call to table when the method                  # FIXME: Replace with a call to table when the method
842              # has been written to get all the values                  # has been written to get all the values
843              #                  #
844              table = self.layer.table                  for i in range(table.NumRows()):
845              for i in range(table.NumRows()):                      _list.append(table.ReadValue(i, self.fieldName))
846                  _list.append(table.ReadValue(i, self.fieldName))              finally:
847                    wxEndBusyCursor()
             wxEndBusyCursor()  
848    
849          return _list          return _list
850    
# Line 859  class GenQuantilesPanel(wxPanel): Line 861  class GenQuantilesPanel(wxPanel):
861              self.text_range.SetForegroundColour(wxRED)              self.text_range.SetForegroundColour(wxRED)
862    
863      def OnRetrieve(self, event):      def OnRetrieve(self, event):
864            table = self.layer.ShapeStore().Table()
865          if self.layer.table is not None:          if table is not None:
866              wxBeginBusyCursor()              wxBeginBusyCursor()
867              min, max = self.layer.table.ValueRange(self.fieldName)              try:
868              self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")                  min, max = table.ValueRange(self.fieldName)
869              wxEndBusyCursor()                  self.text_range.SetValue("[" + str(min) + ";" + str(max) + "]")
870                finally:
871                    wxEndBusyCursor()
872    
873  ID_CUSTOMRAMP_COPYSTART = 4001  ID_CUSTOMRAMP_COPYSTART = 4001
874  ID_CUSTOMRAMP_COPYEND = 4002  ID_CUSTOMRAMP_COPYEND = 4002
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  Added in v.1219
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