/[thuban]/trunk/thuban/Thuban/UI/proj4dialog.py
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revision 111 by bh, Fri Sep 14 14:55:34 2001 UTC revision 112 by jan, Sun Apr 21 17:30:37 2002 UTC
# Line 6  Line 6 
6  # Read the file COPYING coming with Thuban for details.  # Read the file COPYING coming with Thuban for details.
7    
8  """  """
9  Dialogs to the geographic projection library PROJ4  Dialogs to the geographic projection library PROJ
10  """  """
11    
12  __version__ = "$Revision$"  __version__ = "$Revision$"
# Line 19  ID_PROJECTION_SELECT = 4011 Line 19  ID_PROJECTION_SELECT = 4011
19  ID_PROJECTION_OK     = 4001  ID_PROJECTION_OK     = 4001
20  ID_PROJECTION_CANCEL = 4002  ID_PROJECTION_CANCEL = 4002
21    
22  ID_UTM_DIALOG_OK     = 4101  ID_UTM_DIALOG_OK           = 4101
23  ID_UTM_DIALOG_CANCEL = 4102  ID_UTM_DIALOG_CANCEL       = 4102
24    ID_UTM_DIALOG_PROPOSE_ZONE = 4103
25    
26    ID_UTM_PROPOSE_ZONE_DIALOG_TAKE   = 4201
27    ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL = 4202
28    
29  projectionDict = {'None' : 'None', 'UTM' : 'utm'}  projectionDict = {'None' : 'None', 'UTM' : 'utm'}
30  projectionMapping = {'None' : 'None', 'utm' : 'UTM'}  projectionMapping = {'None' : 'None', 'utm' : 'UTM'}
# Line 29  class Proj4Dialog(wxDialog): Line 33  class Proj4Dialog(wxDialog):
33    
34      """Let the user select a projection and specify related parameters"""      """Let the user select a projection and specify related parameters"""
35            
36      def __init__(self, parent, projectionParamsList):      def __init__(self, parent, projectionParamsList, map_bounding_box):
37          wxDialog.__init__(self, parent, -1, "Projection",          wxDialog.__init__(self, parent, -1, "Projection",
38                            style = wxRESIZE_BORDER)                            style = wxRESIZE_BORDER)
39    
40            self.map_bounding_box = map_bounding_box
41          self.dialogLayout()          self.dialogLayout()
42          self.projectionParams={}          self.projectionParams={}
43          combo = self.projection          combo = self.projection
# Line 169  class UTMDialog(wxDialog): Line 174  class UTMDialog(wxDialog):
174          for zone in range(1,61):          for zone in range(1,61):
175              self.zone.Append(str(zone))              self.zone.Append(str(zone))
176          zoneBox.Add(self.zone, 0, wxALIGN_CENTER|wxALL, 4)          zoneBox.Add(self.zone, 0, wxALIGN_CENTER|wxALL, 4)
177            zoneBox.Add(wxButton(self, ID_UTM_DIALOG_PROPOSE_ZONE, "Propose"),
178                        0, wxALL, 4)
179            EVT_BUTTON(self, ID_UTM_DIALOG_PROPOSE_ZONE, self.OnProposeZone)
180    
181          topBox.Add(zoneBox, 1, wxEXPAND|wxALL, 4)          topBox.Add(zoneBox, 1, wxEXPAND|wxALL, 4)
182    
# Line 196  class UTMDialog(wxDialog): Line 204  class UTMDialog(wxDialog):
204          topBox.Fit(self)          topBox.Fit(self)
205          topBox.SetSizeHints(self)          topBox.SetSizeHints(self)
206    
207        def OnProposeZone(self, event):
208            dlg = UTMProposeZoneDialog(self)
209            if dlg.ShowModal():
210                return true
211            else:
212                return false
213    
214      def OnOK(self, event):      def OnOK(self, event):
215          self.parent.projectionParams = {}          self.parent.projectionParams = {}
216          self.parent.projectionParams['zone'] = self.zone.GetStringSelection()          self.parent.projectionParams['zone'] = self.zone.GetStringSelection()
# Line 206  class UTMDialog(wxDialog): Line 221  class UTMDialog(wxDialog):
221      def OnCancel(self, event):      def OnCancel(self, event):
222          self.Close(false)          self.Close(false)
223    
224    class UTMProposeZoneDialog(wxDialog):
225    
226        """Propose a sensible Zone considering the current map extent."""
227        
228        def __init__(self, parent):
229            wxDialog.__init__(self, parent, -1, "Projection: Propose UTM Zone",
230                              wxDefaultPosition, wxSize(200, 100))
231            self.parent = parent
232            x, y, x2, y2 = self.parent.parent.map_bounding_box
233            x = x + 180
234            x2 = x2 + 180
235            center = (x2 - x) / 2 + x
236            self.proposedZone = str(int(center / 6 + 1))
237            self.dialogLayout()
238    
239        def dialogLayout(self):
240            topBox = wxBoxSizer(wxVERTICAL)
241    
242            textBox = wxBoxSizer(wxVERTICAL)
243            textBox.Add(wxStaticText(self, -1, "The current map extent center " +
244                                               "lies in UTM Zone"),
245                        0, wxALIGN_CENTER|wxALL, 4)
246            textBox.Add(wxStaticText(self, -1, self.proposedZone),
247                        0, wxALIGN_CENTER|wxALL, 4)
248    
249            topBox.Add(textBox, 1, wxEXPAND|wxALL, 4)
250    
251            buttonBox = wxBoxSizer(wxHORIZONTAL)
252            buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, "Take"),
253                          0, wxALL, 4)
254            buttonBox.Add(wxButton(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL,
255                                   "Cancel"), 0, wxALL, 4)
256            topBox.Add(buttonBox, 0, wxALIGN_CENTER_HORIZONTAL|wxALL, 10)
257            EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_TAKE, self.OnTake)
258            EVT_BUTTON(self, ID_UTM_PROPOSE_ZONE_DIALOG_CANCEL, self.OnCancel)
259    
260            self.SetAutoLayout(true)
261            self.SetSizer(topBox)
262            topBox.Fit(self)
263            topBox.SetSizeHints(self)
264    
265        def OnTake(self, event):
266            self.parent.zone.SetSelection(self.parent.zone.FindString(self.proposedZone))
267            self.Close(true)
268    
269        def OnCancel(self, event):
270            self.Close(false)
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