| 1 | """ |
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| 2 | Dialog to set ftol for Scipy |
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| 3 | |
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| 4 | ftol(float): Relative error desired in the sum of squares. |
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| 5 | """ |
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| 6 | ################################################################################ |
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| 7 | #This software was developed by the University of Tennessee as part of the |
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| 8 | #Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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| 9 | #project funded by the US National Science Foundation. |
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| 10 | # |
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| 11 | #See the license text in license.txt |
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| 12 | # |
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| 13 | #copyright 2009, University of Tennessee |
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| 14 | ################################################################################ |
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| 15 | import wx |
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| 16 | import sys |
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| 17 | # default ftol |
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| 18 | F_TOL = 1.49012e-08 |
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| 19 | SANS_F_TOL = 5e-05 |
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| 20 | |
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| 21 | if sys.platform.count("win32") > 0: |
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| 22 | PANEL_WIDTH = 270 |
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| 23 | PANEL_HEIGHT = 265 |
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| 24 | FONT_VARIANT = 0 |
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| 25 | else: |
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| 26 | PANEL_WIDTH = 285 |
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| 27 | PANEL_HEIGHT = 265 |
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| 28 | FONT_VARIANT = 1 |
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| 29 | |
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| 30 | |
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| 31 | class ChangeFtol(wx.Dialog): |
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| 32 | """ |
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| 33 | Dialog to select ftol |
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| 34 | """ |
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| 35 | def __init__(self, parent, base, id=-1, title="FTolerance"): |
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| 36 | wx.Dialog.__init__(self, parent, id, title, |
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| 37 | size=(PANEL_WIDTH, PANEL_HEIGHT)) |
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| 38 | # font size |
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| 39 | self.SetWindowVariant(variant=FONT_VARIANT) |
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| 40 | # build layout |
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| 41 | panel = wx.Panel(self, -1) |
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| 42 | vbox = wx.BoxSizer(wx.VERTICAL) |
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| 43 | wx.StaticBox(panel, -1, 'FTol selection (Leastsq)', (5, 6), (PANEL_WIDTH * 0.9, PANEL_HEIGHT * 0.7)) |
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| 44 | self.default_bt = wx.RadioButton(panel, -1, 'SansView Default (5e-05)', (15, 30), style=wx.RB_GROUP) |
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| 45 | self.default_bt.SetValue(True) |
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| 46 | self.default_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 47 | self.sci_default_bt = wx.RadioButton(panel, -1, 'Scipy Default (1.49012e-08)', (15, 55)) |
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| 48 | self.sci_default_bt.SetValue(False) |
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| 49 | self.sci_default_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 50 | self.high_bt = wx.RadioButton(panel, -1, '1e-06', (15, 80)) |
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| 51 | self.high_bt.SetValue(False) |
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| 52 | self.high_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 53 | self.mid_bt = wx.RadioButton(panel, -1, '1e-05', (15, 105)) |
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| 54 | self.mid_bt.SetValue(False) |
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| 55 | self.mid_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 56 | self.low_bt = wx.RadioButton(panel, -1, '1e-04', (15, 130)) |
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| 57 | self.low_bt.SetValue(False) |
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| 58 | self.low_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 59 | self.custom_bt = wx.RadioButton(panel, -1, 'Custom', (15, 155)) |
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| 60 | self.custom_bt.SetValue(False) |
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| 61 | self.custom_bt.Bind(wx.EVT_RADIOBUTTON, self.OnFtolSelection) |
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| 62 | self.custombox = wx.TextCtrl(panel, -1, '', (95, 155)) |
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| 63 | self.custombox.Disable() |
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| 64 | |
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| 65 | hbox = wx.BoxSizer(wx.HORIZONTAL) |
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| 66 | okButton = wx.Button(self, wx.ID_OK, 'Set', size=(70, 30)) |
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| 67 | closeButton = wx.Button(self,wx.ID_CANCEL, 'Cancel', size=(70, 30)) |
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| 68 | hbox.Add(okButton, 1, wx.RIGHT, 5) |
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| 69 | hbox.Add(closeButton, 1, wx.RIGHT, 5) |
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| 70 | vbox.Add(panel, 1, wx.ALIGN_CENTER | wx.TOP | wx.BOTTOM, 10) |
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| 71 | vbox.Add(hbox, 1, wx.ALIGN_CENTER | wx.TOP | wx.BOTTOM, 10) |
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| 72 | |
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| 73 | self.SetSizer(vbox) |
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| 74 | |
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| 75 | def OnFtolSelection(self, event=None): |
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| 76 | """ |
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| 77 | Changes the ftol on selection of the radio button |
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| 78 | """ |
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| 79 | self.custombox.Enable(self.custom_bt.GetValue()) |
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| 80 | |
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| 81 | def get_ftol(self): |
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| 82 | """ |
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| 83 | Get the ftol value |
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| 84 | """ |
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| 85 | if self.default_bt.GetValue(): |
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| 86 | return SANS_F_TOL |
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| 87 | elif self.sci_default_bt.GetValue(): |
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| 88 | return F_TOL |
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| 89 | elif self.low_bt.GetValue(): |
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| 90 | return 1.0e-4 |
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| 91 | elif self.mid_bt.GetValue(): |
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| 92 | return 1.0e-5 |
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| 93 | elif self.high_bt.GetValue(): |
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| 94 | return 1.0e-6 |
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| 95 | if self.custom_bt.GetValue(): |
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| 96 | try: |
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| 97 | return float(self.custombox.GetValue()) |
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| 98 | except: |
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| 99 | return None |
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| 100 | return SANS_F_TOL |
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