| 1 | """ |
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| 2 | Widget to display a 2D map of the detector |
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| 3 | """ |
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| 4 | import wx |
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| 5 | import sys |
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| 6 | from sas.sasgui.guiframe.utils import format_number |
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| 7 | from sas.sasgui.guiframe.events import StatusEvent |
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| 8 | from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg as Canvas |
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| 9 | import matplotlib as mpl |
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| 10 | from matplotlib import pylab |
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| 11 | # FONT size |
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| 12 | if sys.platform.count("win32") > 0: |
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| 13 | FONT_VARIANT = 0 |
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| 14 | else: |
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| 15 | FONT_VARIANT = 1 |
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| 16 | |
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| 17 | DEFAULT_CMAP = pylab.cm.get_cmap('jet') |
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| 18 | |
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| 19 | class DetectorDialog(wx.Dialog): |
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| 20 | """ |
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| 21 | Dialog box to let the user edit detector settings |
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| 22 | """ |
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| 23 | |
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| 24 | def __init__(self, parent, id=1, base=None, dpi=None, |
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| 25 | cmap=DEFAULT_CMAP, reset_zmin_ctl=None, |
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| 26 | reset_zmax_ctl=None, *args, **kwds): |
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| 27 | """ |
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| 28 | """ |
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| 29 | kwds["style"] = wx.DEFAULT_DIALOG_STYLE |
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| 30 | wx.Dialog.__init__(self, parent, id=1, *args, **kwds) |
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| 31 | self.SetWindowVariant(variant=FONT_VARIANT) |
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| 32 | self.parent = base |
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| 33 | self.dpi = dpi |
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| 34 | self.cmap = cmap |
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| 35 | self.reset_zmin_ctl = reset_zmin_ctl |
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| 36 | self.reset_zmax_ctl = reset_zmax_ctl |
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| 37 | self.label_xnpts = wx.StaticText(self, -1, "Detector width in pixels") |
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| 38 | self.label_ynpts = wx.StaticText(self, -1, "Detector Height in pixels") |
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| 39 | self.label_qmax = wx.StaticText(self, -1, "Q max") |
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| 40 | self.label_zmin = wx.StaticText(self, -1, |
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| 41 | "Min amplitude for color map (optional)") |
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| 42 | self.label_zmax = wx.StaticText(self, -1, |
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| 43 | "Max amplitude for color map (optional)") |
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| 44 | self.label_beam = wx.StaticText(self, -1, |
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| 45 | "Beam stop radius in units of q") |
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| 46 | self.xnpts_ctl = wx.StaticText(self, -1, "") |
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| 47 | self.ynpts_ctl = wx.StaticText(self, -1, "") |
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| 48 | self.qmax_ctl = wx.StaticText(self, -1, "") |
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| 49 | self.beam_ctl = wx.StaticText(self, -1, "") |
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| 50 | self.zmin_ctl = wx.TextCtrl(self, -1, size=(60, 20)) |
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| 51 | self.zmin_ctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus) |
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| 52 | self.zmax_ctl = wx.TextCtrl(self, -1, size=(60, 20)) |
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| 53 | self.zmax_ctl.Bind(wx.EVT_SET_FOCUS, self.onSetFocus) |
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| 54 | self.static_line_3 = wx.StaticLine(self, -1) |
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| 55 | self.button_cancel = wx.Button(self, wx.ID_CANCEL, "Cancel") |
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| 56 | self.button_reset = wx.Button(self, wx.NewId(), "Reset") |
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| 57 | self.Bind(wx.EVT_BUTTON, self.resetValues, self.button_reset) |
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| 58 | self.button_ok = wx.Button(self, wx.ID_OK, "OK") |
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| 59 | self.Bind(wx.EVT_BUTTON, self.checkValues, self.button_ok) |
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| 60 | self.__set_properties() |
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| 61 | self.__do_layout() |
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| 62 | self.Fit() |
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| 63 | |
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| 64 | class Event(object): |
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| 65 | """ |
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| 66 | """ |
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| 67 | xnpts = 0 |
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| 68 | ynpts = 0 |
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| 69 | qpax = 0 |
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| 70 | beam = 0 |
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| 71 | zmin = 0 |
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| 72 | zmax = 0 |
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| 73 | cmap = None |
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| 74 | sym4 = False |
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| 75 | |
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| 76 | def onSetFocus(self, event): |
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| 77 | """ |
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| 78 | Highlight the txtcrtl |
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| 79 | """ |
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| 80 | # Get a handle to the TextCtrl |
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| 81 | widget = event.GetEventObject() |
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| 82 | # Select the whole control, after this event resolves |
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| 83 | wx.CallAfter(widget.SetSelection, -1, -1) |
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| 84 | |
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| 85 | def resetValues(self, event): |
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| 86 | """ |
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| 87 | reset detector info |
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| 88 | """ |
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| 89 | try: |
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| 90 | zmin = self.reset_zmin_ctl |
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| 91 | zmax = self.reset_zmax_ctl |
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| 92 | if zmin is None: |
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| 93 | zmin = "" |
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| 94 | if zmax is None: |
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| 95 | zmax = "" |
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| 96 | self.zmin_ctl.SetValue(str(zmin)) |
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| 97 | self.zmax_ctl.SetValue(str(zmax)) |
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| 98 | self.cmap = DEFAULT_CMAP |
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| 99 | self.cmap_selector.SetStringSelection("jet") |
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| 100 | self._on_select_cmap(event=None) |
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| 101 | except: |
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| 102 | msg = "error occurs while resetting Detector: %s" % sys.exc_value |
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| 103 | wx.PostEvent(self.parent, StatusEvent(status=msg)) |
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| 104 | |
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| 105 | def checkValues(self, event): |
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| 106 | """ |
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| 107 | Check the valitidity of zmin and zmax value |
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| 108 | zmax should be a float and zmin less than zmax |
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| 109 | """ |
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| 110 | flag = True |
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| 111 | try: |
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| 112 | value = self.zmin_ctl.GetValue() |
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| 113 | self.zmin_ctl.SetBackgroundColour(wx.WHITE) |
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| 114 | self.zmin_ctl.Refresh() |
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| 115 | except: |
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| 116 | flag = False |
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| 117 | wx.PostEvent(self.parent, StatusEvent(status="Enter float value")) |
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| 118 | self.zmin_ctl.SetBackgroundColour("pink") |
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| 119 | self.zmin_ctl.Refresh() |
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| 120 | try: |
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| 121 | value = self.zmax_ctl.GetValue() |
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| 122 | if value and float(value) == 0.0: |
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| 123 | flag = False |
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| 124 | wx.PostEvent(self.parent, |
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| 125 | StatusEvent(status="Enter number greater than zero")) |
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| 126 | self.zmax_ctl.SetBackgroundColour("pink") |
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| 127 | self.zmax_ctl.Refresh() |
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| 128 | else: |
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| 129 | self.zmax_ctl.SetBackgroundColour(wx.WHITE) |
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| 130 | self.zmax_ctl.Refresh() |
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| 131 | except: |
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| 132 | flag = False |
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| 133 | wx.PostEvent(self.parent, StatusEvent(status="Enter Integer value")) |
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| 134 | self.zmax_ctl.SetBackgroundColour("pink") |
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| 135 | self.zmax_ctl.Refresh() |
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| 136 | if flag: |
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| 137 | event.Skip(True) |
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| 138 | |
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| 139 | def setContent(self, xnpts, ynpts, qmax, beam, |
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| 140 | zmin=None, zmax=None, sym=False): |
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| 141 | """ |
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| 142 | received value and displayed them |
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| 143 | |
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| 144 | :param xnpts: the number of point of the x_bins of data |
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| 145 | :param ynpts: the number of point of the y_bins of data |
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| 146 | :param qmax: the maxmimum value of data pixel |
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| 147 | :param beam: the radius of the beam |
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| 148 | :param zmin: the value to get the minimum color |
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| 149 | :param zmax: the value to get the maximum color |
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| 150 | :param sym: |
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| 151 | |
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| 152 | """ |
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| 153 | self.xnpts_ctl.SetLabel(str(format_number(xnpts))) |
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| 154 | self.ynpts_ctl.SetLabel(str(format_number(ynpts))) |
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| 155 | self.qmax_ctl.SetLabel(str(format_number(qmax))) |
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| 156 | self.beam_ctl.SetLabel(str(format_number(beam))) |
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| 157 | if zmin is not None: |
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| 158 | self.zmin_ctl.SetValue(str(format_number(zmin))) |
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| 159 | if zmax is not None: |
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| 160 | self.zmax_ctl.SetValue(str(format_number(zmax))) |
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| 161 | |
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| 162 | def getContent(self): |
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| 163 | """ |
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| 164 | return event containing value to reset the detector of a given data |
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| 165 | """ |
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| 166 | event = self.Event() |
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| 167 | t_min = self.zmin_ctl.GetValue() |
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| 168 | t_max = self.zmax_ctl.GetValue() |
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| 169 | v_min = None |
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| 170 | v_max = None |
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| 171 | if len(t_min.lstrip()) > 0: |
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| 172 | try: |
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| 173 | v_min = float(t_min) |
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| 174 | except: |
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| 175 | v_min = None |
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| 176 | if len(t_max.lstrip()) > 0: |
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| 177 | try: |
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| 178 | v_max = float(t_max) |
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| 179 | except: |
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| 180 | v_max = None |
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| 181 | event.zmin = v_min |
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| 182 | event.zmax = v_max |
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| 183 | event.cmap = self.cmap |
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| 184 | return event |
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| 185 | |
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| 186 | def __set_properties(self): |
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| 187 | """ |
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| 188 | set proprieties of the dialog window |
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| 189 | """ |
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| 190 | self.SetTitle("2D Color Map") |
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| 191 | self.SetSize((600, 595)) |
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| 192 | |
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| 193 | def __do_layout(self): |
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| 194 | """ |
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| 195 | fill the dialog window . |
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| 196 | """ |
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| 197 | sizer_main = wx.BoxSizer(wx.VERTICAL) |
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| 198 | sizer_button = wx.BoxSizer(wx.HORIZONTAL) |
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| 199 | sizer_params = wx.GridBagSizer(5, 5) |
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| 200 | sizer_colormap = wx.BoxSizer(wx.VERTICAL) |
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| 201 | sizer_selection = wx.BoxSizer(wx.HORIZONTAL) |
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| 202 | |
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| 203 | iy = 0 |
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| 204 | sizer_params.Add(self.label_xnpts, (iy, 0), (1, 1), |
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| 205 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 206 | sizer_params.Add(self.xnpts_ctl, (iy, 1), (1, 1), |
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| 207 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 208 | iy += 1 |
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| 209 | sizer_params.Add(self.label_ynpts, (iy, 0), (1, 1), |
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| 210 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 211 | sizer_params.Add(self.ynpts_ctl, (iy, 1), (1, 1), |
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| 212 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 213 | iy += 1 |
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| 214 | sizer_params.Add(self.label_qmax, (iy, 0), (1, 1), |
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| 215 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 216 | sizer_params.Add(self.qmax_ctl, (iy, 1), (1, 1), |
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| 217 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 218 | iy += 1 |
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| 219 | sizer_params.Add(self.label_beam, (iy, 0), (1, 1), |
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| 220 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 221 | sizer_params.Add(self.beam_ctl, (iy, 1), (1, 1), |
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| 222 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 223 | iy += 1 |
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| 224 | sizer_params.Add(self.label_zmin, (iy, 0), (1, 1), |
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| 225 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 226 | sizer_params.Add(self.zmin_ctl, (iy, 1), (1, 1), |
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| 227 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 228 | iy += 1 |
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| 229 | sizer_params.Add(self.label_zmax, (iy, 0), (1, 1), |
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| 230 | wx.LEFT | wx.EXPAND | wx.ADJUST_MINSIZE, 15) |
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| 231 | sizer_params.Add(self.zmax_ctl, (iy, 1), (1, 1), |
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| 232 | wx.EXPAND | wx.ADJUST_MINSIZE, 0) |
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| 233 | iy += 1 |
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| 234 | self.fig = mpl.figure.Figure(dpi=self.dpi, figsize=(4, 1)) |
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| 235 | self.ax1 = self.fig.add_axes([0.05, 0.65, 0.9, 0.15]) |
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| 236 | self.norm = mpl.colors.Normalize(vmin=0, vmax=100) |
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| 237 | self.cb1 = mpl.colorbar.ColorbarBase(self.ax1, cmap=self.cmap, |
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| 238 | norm=self.norm, |
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| 239 | orientation='horizontal') |
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| 240 | self.cb1.set_label('Detector Colors') |
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| 241 | self.canvas = Canvas(self, -1, self.fig) |
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| 242 | sizer_colormap.Add(self.canvas, 0, wx.LEFT | wx.EXPAND, 5) |
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| 243 | self.cmap_selector = wx.ComboBox(self, -1) |
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| 244 | self.cmap_selector.SetValue(str(self.cmap.name)) |
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| 245 | maps = sorted(m for m in pylab.cm.datad if not m.endswith("_r")) |
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| 246 | |
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| 247 | for i, m in enumerate(maps): |
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| 248 | self.cmap_selector.Append(str(m), pylab.get_cmap(m)) |
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| 249 | |
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| 250 | wx.EVT_COMBOBOX(self.cmap_selector, -1, self._on_select_cmap) |
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| 251 | sizer_selection.Add(wx.StaticText(self, -1, "Select Cmap: "), 0, |
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| 252 | wx.LEFT | wx.ADJUST_MINSIZE, 5) |
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| 253 | sizer_selection.Add(self.cmap_selector, 0, wx.EXPAND | wx.ALL, 10) |
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| 254 | sizer_main.Add(sizer_params, 0, wx.EXPAND | wx.ALL, 5) |
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| 255 | sizer_main.Add(sizer_selection, 0, wx.EXPAND | wx.ALL, 5) |
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| 256 | note = " Note: This is one time option. " + \ |
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| 257 | "It will be reset on updating the image." |
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| 258 | note_txt = wx.StaticText(self, -1, note) |
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| 259 | sizer_main.Add(note_txt, 0, wx.EXPAND | wx.ALL, 5) |
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| 260 | sizer_main.Add(sizer_colormap, 1, wx.EXPAND | wx.ALL, 5) |
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| 261 | sizer_main.Add(self.static_line_3, 0, wx.EXPAND, 0) |
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| 262 | sizer_button.Add(self.button_reset, 0, wx.LEFT | wx.ADJUST_MINSIZE, 100) |
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| 263 | sizer_button.Add(self.button_ok, 0, wx.LEFT | wx.ADJUST_MINSIZE, 10) |
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| 264 | sizer_button.Add(self.button_cancel, 0, |
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| 265 | wx.LEFT | wx.RIGHT | wx.ADJUST_MINSIZE, 10) |
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| 266 | sizer_main.Add(sizer_button, 0, wx.EXPAND | wx.BOTTOM | wx.TOP, 10) |
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| 267 | self.SetAutoLayout(True) |
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| 268 | self.SetSizer(sizer_main) |
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| 269 | self.Layout() |
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| 270 | self.Centre() |
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| 271 | # end wxGlade |
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| 272 | |
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| 273 | def _on_select_cmap(self, event): |
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| 274 | """ |
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| 275 | display a new cmap |
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| 276 | """ |
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| 277 | cmap_name = self.cmap_selector.GetCurrentSelection() |
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| 278 | current_cmap = self.cmap_selector.GetClientData(cmap_name) |
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| 279 | self.cmap = current_cmap |
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| 280 | self.cb1 = mpl.colorbar.ColorbarBase(self.ax1, cmap=self.cmap, |
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| 281 | norm=self.norm, orientation='horizontal') |
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| 282 | self.canvas.draw() |
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