1 | import wx.lib.newevent |
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2 | import matplotlib |
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3 | matplotlib.interactive(False) |
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4 | #Use the WxAgg back end. The Wx one takes too long to render |
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5 | matplotlib.use('WXAgg') |
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6 | from matplotlib.backends.backend_wxagg import FigureCanvasWxAgg |
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7 | from matplotlib.figure import Figure |
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8 | import os |
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9 | import fittings |
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10 | import transform |
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11 | from canvas import FigureCanvas |
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12 | from matplotlib.widgets import RectangleSelector |
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13 | from pylab import gca, gcf |
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14 | from plottables import Theory1D |
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15 | #TODO: make the plottables interactive |
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16 | from binder import BindArtist |
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17 | |
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18 | DEBUG = False |
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19 | |
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20 | from plottables import Graph |
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21 | #(FuncFitEvent, EVT_FUNC_FIT) = wx.lib.newevent.NewEvent() |
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22 | import math,pylab,re |
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23 | |
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24 | def show_tree(obj,d=0): |
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25 | """Handy function for displaying a tree of graph objects""" |
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26 | print "%s%s" % ("-"*d,obj.__class__.__name__) |
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27 | if 'get_children' in dir(obj): |
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28 | for a in obj.get_children(): show_tree(a,d+1) |
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29 | |
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30 | from unitConverter import UnitConvertion as convertUnit |
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31 | def _convertUnit(pow,unit): |
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32 | """ |
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33 | Displays the unit with the proper convertion |
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34 | @param pow: the user set the power of the unit |
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35 | @param unit: the unit of the data |
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36 | """ |
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37 | return unit |
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38 | toks=re.match("^", unit) |
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39 | if not toks==None: |
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40 | unitValue= re.split("{",unit) |
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41 | unitPower= re.split("}",unitValue[1]) |
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42 | power= int(unitPower[0])*pow |
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43 | word= unitValue[0]+"{"+str(power)+"}" |
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44 | if power==1: |
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45 | tempUnit=re.split("\^",unitValue[0]) |
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46 | unit=tempUnit[0] |
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47 | else: |
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48 | unit = word |
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49 | #print"this is unit",unit |
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50 | return unit |
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51 | def _rescale(lo,hi,step,pt=None,bal=None,scale='linear'): |
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52 | """ |
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53 | Rescale (lo,hi) by step, returning the new (lo,hi) |
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54 | The scaling is centered on pt, with positive values of step |
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55 | driving lo/hi away from pt and negative values pulling them in. |
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56 | If bal is given instead of point, it is already in [0,1] coordinates. |
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57 | |
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58 | This is a helper function for step-based zooming. |
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59 | """ |
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60 | # Convert values into the correct scale for a linear transformation |
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61 | # TODO: use proper scale transformers |
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62 | loprev = lo |
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63 | hiprev = hi |
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64 | ptprev = pt |
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65 | if scale=='log': |
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66 | assert lo >0 |
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67 | if lo > 0 : |
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68 | lo = math.log10(lo) |
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69 | if hi > 0 : |
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70 | hi = math.log10(hi) |
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71 | if pt is not None: pt = math.log10(pt) |
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72 | |
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73 | # Compute delta from axis range * %, or 1-% if persent is negative |
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74 | if step > 0: |
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75 | delta = float(hi-lo)*step/100 |
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76 | else: |
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77 | delta = float(hi-lo)*step/(100-step) |
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78 | |
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79 | # Add scale factor proportionally to the lo and hi values, preserving the |
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80 | # point under the mouse |
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81 | if bal is None: |
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82 | bal = float(pt-lo)/(hi-lo) |
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83 | lo = lo - bal*delta |
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84 | hi = hi + (1-bal)*delta |
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85 | |
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86 | # Convert transformed values back to the original scale |
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87 | if scale=='log': |
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88 | if (lo <= -250) or (hi >= 250): |
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89 | lo=loprev |
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90 | hi=hiprev |
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91 | else: |
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92 | lo,hi = math.pow(10.,lo),math.pow(10.,hi) |
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93 | return (lo,hi) |
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94 | |
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95 | |
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96 | class PlotPanel(wx.Panel): |
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97 | """ |
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98 | The PlotPanel has a Figure and a Canvas. OnSize events simply set a |
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99 | flag, and the actually redrawing of the |
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100 | figure is triggered by an Idle event. |
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101 | """ |
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102 | def __init__(self, parent, id = -1, color = None,\ |
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103 | dpi = None, **kwargs): |
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104 | wx.Panel.__init__(self, parent, id = id, **kwargs) |
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105 | self.parent = parent |
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106 | self.figure = Figure(None, dpi) |
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107 | #self.figure = pylab.Figure(None, dpi) |
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108 | #self.canvas = NoRepaintCanvas(self, -1, self.figure) |
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109 | self.canvas = FigureCanvas(self, -1, self.figure) |
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110 | self.SetColor(color) |
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111 | #self.Bind(wx.EVT_IDLE, self._onIdle) |
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112 | #self.Bind(wx.EVT_SIZE, self._onSize) |
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113 | self._resizeflag = True |
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114 | self._SetSize() |
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115 | self.subplot = self.figure.add_subplot(111) |
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116 | self.figure.subplots_adjust(left=.2, bottom=.2) |
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117 | self.yscale = 'linear' |
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118 | self.xscale = 'linear' |
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119 | sizer = wx.BoxSizer(wx.VERTICAL) |
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120 | sizer.Add(self.canvas,1,wx.EXPAND) |
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121 | self.SetSizer(sizer) |
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122 | |
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123 | # Graph object to manage the plottables |
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124 | self.graph = Graph() |
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125 | #self.Bind(EVT_FUNC_FIT, self.onFitRange) |
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126 | self.Bind(wx.EVT_CONTEXT_MENU, self.onContextMenu) |
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127 | |
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128 | #self.Bind(EVT_PROPERTY, self._onEVT_FUNC_PROPERTY) |
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129 | # Define some constants |
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130 | self.colorlist = ['b','g','r','c','m','y'] |
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131 | self.symbollist = ['o','x','^','v','<','>','+','s','d','D','h','H','p'] |
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132 | #User scale |
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133 | self.xLabel ="x" |
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134 | self.yLabel ="y" |
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135 | self.viewModel ="--" |
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136 | # keep track if the previous transformation of x and y in Property dialog |
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137 | self.prevXtrans ="x" |
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138 | self.prevYtrans ="y" |
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139 | self.canvas.mpl_connect('scroll_event',self.onWheel) |
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140 | #taking care of dragging |
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141 | self.canvas.mpl_connect('motion_notify_event',self.onMouseMotion) |
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142 | self.canvas.mpl_connect('button_press_event',self.onLeftDown) |
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143 | self.canvas.mpl_connect('button_release_event',self.onLeftUp) |
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144 | |
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145 | |
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146 | self.leftdown=False |
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147 | self.leftup=False |
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148 | self.mousemotion=False |
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149 | |
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150 | self.axes = [self.subplot] |
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151 | |
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152 | ## Fit dialog |
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153 | self._fit_dialog = None |
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154 | |
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155 | # Interactor |
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156 | self.connect = BindArtist(self.subplot.figure) |
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157 | #self.selected_plottable = None |
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158 | |
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159 | # new data for the fit |
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160 | self.fit_result = Theory1D(x=[], y=[], dy=None) |
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161 | #self.fit_result = Data1D(x=[], y=[],dx=None, dy=None) |
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162 | self.fit_result.name = "Fit" |
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163 | # For fit Dialog initial display |
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164 | self.xmin=0.0 |
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165 | self.xmax=0.0 |
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166 | self.xminView=0.0 |
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167 | self.xmaxView=0.0 |
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168 | self._scale_xlo = None |
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169 | self._scale_xhi = None |
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170 | self._scale_ylo = None |
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171 | self._scale_yhi = None |
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172 | self.Avalue=None |
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173 | self.Bvalue=None |
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174 | self.ErrAvalue=None |
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175 | self.ErrBvalue=None |
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176 | self.Chivalue=None |
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177 | |
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178 | # Dragging info |
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179 | self.begDrag=False |
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180 | self.xInit=None |
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181 | self.yInit=None |
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182 | self.xFinal=None |
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183 | self.yFinal=None |
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184 | |
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185 | # Default locations |
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186 | self._default_save_location = os.getcwd() |
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187 | |
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188 | |
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189 | def onLeftDown(self,event): |
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190 | """ left button down and ready to drag""" |
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191 | # Check that the LEFT button was pressed |
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192 | if event.button == 1: |
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193 | self.leftdown=True |
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194 | ax = event.inaxes |
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195 | if ax != None: |
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196 | self.xInit,self.yInit=event.xdata,event.ydata |
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197 | |
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198 | |
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199 | def onLeftUp(self,event): |
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200 | """ Dragging is done """ |
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201 | # Check that the LEFT button was released |
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202 | if event.button == 1: |
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203 | self.leftdown=False |
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204 | self.mousemotion=False |
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205 | self.leftup=True |
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206 | |
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207 | def onMouseMotion(self,event): |
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208 | """ |
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209 | check if the left button is press and the mouse in moving. |
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210 | computer delta for x and y coordinates and then calls draghelper |
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211 | to perform the drag |
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212 | """ |
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213 | self.mousemotion=True |
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214 | if self.leftdown==True and self.mousemotion==True: |
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215 | |
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216 | ax = event.inaxes |
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217 | if ax !=None:#the dragging is perform inside the figure |
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218 | self.xFinal,self.yFinal=event.xdata,event.ydata |
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219 | |
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220 | # Check whether this is the first point |
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221 | if self.xInit==None: |
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222 | self.xInit = self.xFinal |
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223 | self.yInit = self.yFinal |
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224 | |
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225 | xdelta = self.xFinal -self.xInit |
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226 | ydelta = self.yFinal -self.yInit |
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227 | |
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228 | if self.xscale=='log': |
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229 | xdelta = math.log10(self.xFinal) -math.log10(self.xInit) |
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230 | if self.yscale=='log': |
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231 | ydelta = math.log10(self.yFinal) -math.log10(self.yInit) |
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232 | self.dragHelper(xdelta,ydelta) |
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233 | |
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234 | else:# no dragging is perform elsewhere |
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235 | self.dragHelper(0,0) |
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236 | |
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237 | def _offset_graph(self): |
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238 | """ |
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239 | Zoom and offset the graph to the last known |
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240 | settings |
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241 | """ |
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242 | |
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243 | for ax in self.axes: |
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244 | if self._scale_xhi is not None and self._scale_xlo is not None: |
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245 | ax.set_xlim(self._scale_xlo, self._scale_xhi) |
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246 | if self._scale_yhi is not None and self._scale_ylo is not None: |
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247 | ax.set_ylim(self._scale_ylo, self._scale_yhi) |
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248 | |
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249 | |
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250 | def dragHelper(self,xdelta,ydelta): |
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251 | """ dragging occurs here""" |
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252 | |
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253 | # Event occurred inside a plotting area |
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254 | for ax in self.axes: |
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255 | lo,hi= ax.get_xlim() |
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256 | #print "x lo %f and x hi %f"%(lo,hi) |
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257 | newlo,newhi= lo- xdelta, hi- xdelta |
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258 | if self.xscale=='log': |
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259 | if lo > 0: |
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260 | newlo= math.log10(lo)-xdelta |
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261 | if hi > 0: |
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262 | newhi= math.log10(hi)-xdelta |
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263 | if self.xscale=='log': |
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264 | self._scale_xlo = math.pow(10,newlo) |
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265 | self._scale_xhi = math.pow(10,newhi) |
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266 | ax.set_xlim(math.pow(10,newlo),math.pow(10,newhi)) |
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267 | else: |
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268 | self._scale_xlo = newlo |
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269 | self._scale_xhi = newhi |
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270 | ax.set_xlim(newlo,newhi) |
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271 | #print "new lo %f and new hi %f"%(newlo,newhi) |
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272 | |
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273 | lo,hi= ax.get_ylim() |
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274 | #print "y lo %f and y hi %f"%(lo,hi) |
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275 | newlo,newhi= lo- ydelta, hi- ydelta |
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276 | if self.yscale=='log': |
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277 | if lo > 0: |
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278 | newlo= math.log10(lo)-ydelta |
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279 | if hi > 0: |
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280 | newhi= math.log10(hi)-ydelta |
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281 | #print "new lo %f and new hi %f"%(newlo,newhi) |
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282 | if self.yscale=='log': |
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283 | self._scale_ylo = math.pow(10,newlo) |
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284 | self._scale_yhi = math.pow(10,newhi) |
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285 | ax.set_ylim(math.pow(10,newlo),math.pow(10,newhi)) |
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286 | else: |
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287 | self._scale_ylo = newlo |
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288 | self._scale_yhi = newhi |
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289 | ax.set_ylim(newlo,newhi) |
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290 | self.canvas.draw_idle() |
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291 | |
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292 | |
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293 | |
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294 | def resetFitView(self): |
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295 | """ |
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296 | For fit Dialog initial display |
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297 | """ |
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298 | self.xmin=0.0 |
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299 | self.xmax=0.0 |
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300 | self.xminView=0.0 |
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301 | self.xmaxView=0.0 |
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302 | self._scale_xlo = None |
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303 | self._scale_xhi = None |
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304 | self._scale_ylo = None |
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305 | self._scale_yhi = None |
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306 | self.Avalue=None |
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307 | self.Bvalue=None |
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308 | self.ErrAvalue=None |
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309 | self.ErrBvalue=None |
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310 | self.Chivalue=None |
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311 | |
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312 | def onWheel(self, event): |
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313 | """ |
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314 | Process mouse wheel as zoom events |
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315 | @param event: Wheel event |
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316 | """ |
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317 | ax = event.inaxes |
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318 | step = event.step |
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319 | |
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320 | if ax != None: |
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321 | # Event occurred inside a plotting area |
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322 | lo,hi = ax.get_xlim() |
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323 | lo,hi = _rescale(lo,hi,step,pt=event.xdata,scale=ax.get_xscale()) |
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324 | if not self.xscale=='log' or lo>0: |
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325 | self._scale_xlo = lo |
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326 | self._scale_xhi = hi |
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327 | ax.set_xlim((lo,hi)) |
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328 | |
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329 | lo,hi = ax.get_ylim() |
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330 | lo,hi = _rescale(lo,hi,step,pt=event.ydata,scale=ax.get_yscale()) |
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331 | if not self.yscale=='log' or lo>0: |
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332 | self._scale_ylo = lo |
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333 | self._scale_yhi = hi |
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334 | ax.set_ylim((lo,hi)) |
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335 | else: |
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336 | # Check if zoom happens in the axes |
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337 | xdata,ydata = None,None |
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338 | x,y = event.x,event.y |
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339 | |
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340 | for ax in self.axes: |
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341 | insidex,_ = ax.xaxis.contains(event) |
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342 | if insidex: |
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343 | xdata,_ = ax.transAxes.inverse_xy_tup((x,y)) |
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344 | insidey,_ = ax.yaxis.contains(event) |
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345 | if insidey: |
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346 | _,ydata = ax.transAxes.inverse_xy_tup((x,y)) |
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347 | if xdata is not None: |
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348 | lo,hi = ax.get_xlim() |
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349 | lo,hi = _rescale(lo,hi,step,bal=xdata,scale=ax.get_xscale()) |
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350 | if not self.xscale=='log' or lo>0: |
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351 | self._scale_xlo = lo |
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352 | self._scale_xhi = hi |
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353 | ax.set_xlim((lo,hi)) |
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354 | if ydata is not None: |
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355 | lo,hi = ax.get_ylim() |
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356 | lo,hi = _rescale(lo,hi,step,bal=ydata,scale=ax.get_yscale()) |
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357 | if not self.yscale=='log' or lo>0: |
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358 | self._scale_ylo = lo |
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359 | self._scale_yhi = hi |
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360 | ax.set_ylim((lo,hi)) |
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361 | |
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362 | self.canvas.draw_idle() |
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363 | |
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364 | |
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365 | def returnTrans(self): |
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366 | """ |
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367 | Return values and labels used by Fit Dialog |
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368 | """ |
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369 | return self.xLabel,self.yLabel, self.Avalue, self.Bvalue,\ |
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370 | self.ErrAvalue,self.ErrBvalue,self.Chivalue |
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371 | |
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372 | def setTrans(self,xtrans,ytrans): |
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373 | """ |
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374 | @param xtrans: set x transformation on Property dialog |
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375 | @param ytrans: set y transformation on Property dialog |
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376 | """ |
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377 | self.prevXtrans =xtrans |
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378 | self.prevYtrans =ytrans |
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379 | |
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380 | def onFitting(self, event): |
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381 | """ |
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382 | when clicking on linear Fit on context menu , display Fitting Dialog |
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383 | """ |
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384 | list =[] |
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385 | list = self.graph.returnPlottable() |
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386 | from fitDialog import LinearFit |
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387 | |
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388 | if len(list.keys())>0: |
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389 | first_item = list.keys()[0] |
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390 | dlg = LinearFit( None, first_item, self.onFitDisplay,self.returnTrans, -1, 'Linear Fit') |
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391 | |
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392 | if (self.xmin !=0.0 )and ( self.xmax !=0.0)\ |
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393 | and(self.xminView !=0.0 )and ( self.xmaxView !=0.0): |
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394 | dlg.setFitRange(self.xminView,self.xmaxView,self.xmin,self.xmax) |
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395 | dlg.ShowModal() |
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396 | |
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397 | def linear_plottable_fit(self, plot): |
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398 | """ |
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399 | when clicking on linear Fit on context menu , display Fitting Dialog |
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400 | @param plot: PlotPanel owning the graph |
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401 | """ |
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402 | from fitDialog import LinearFit |
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403 | |
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404 | if self._fit_dialog is not None: |
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405 | return |
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406 | |
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407 | self._fit_dialog = LinearFit( None, plot, self.onFitDisplay,self.returnTrans, -1, 'Linear Fit') |
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408 | |
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409 | # Set the zoom area |
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410 | if self._scale_xhi is not None and self._scale_xlo is not None: |
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411 | self._fit_dialog.set_fit_region(self._scale_xlo, self._scale_xhi) |
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412 | |
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413 | # Register the close event |
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414 | self._fit_dialog.register_close(self._linear_fit_close) |
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415 | |
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416 | # Show a non-model dialog |
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417 | self._fit_dialog.Show() |
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418 | |
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419 | def _linear_fit_close(self): |
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420 | """ |
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421 | A fit dialog was closed |
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422 | """ |
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423 | self._fit_dialog = None |
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424 | |
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425 | |
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426 | def _onProperties(self, event): |
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427 | """ |
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428 | when clicking on Properties on context menu ,The Property dialog is displayed |
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429 | The user selects a transformation for x or y value and a new plot is displayed |
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430 | """ |
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431 | if self._fit_dialog is not None: |
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432 | self._fit_dialog.Destroy() |
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433 | self._fit_dialog = None |
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434 | |
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435 | list =[] |
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436 | list = self.graph.returnPlottable() |
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437 | if len(list.keys())>0: |
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438 | first_item = list.keys()[0] |
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439 | if first_item.x !=[]: |
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440 | from PropertyDialog import Properties |
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441 | dial = Properties(self, -1, 'Properties') |
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442 | dial.setValues( self.prevXtrans, self.prevYtrans,self.viewModel ) |
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443 | if dial.ShowModal() == wx.ID_OK: |
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444 | self.xLabel, self.yLabel,self.viewModel = dial.getValues() |
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445 | if self.viewModel =="Guinier lny vs x^(2)": |
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446 | self.xLabel="x^(2)" |
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447 | self.yLabel="ln(y)" |
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448 | self.viewModel = "--" |
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449 | dial.setValues( self.xLabel, self.yLabel,self.viewModel ) |
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450 | self._onEVT_FUNC_PROPERTY() |
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451 | dial.Destroy() |
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452 | |
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453 | |
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454 | def set_yscale(self, scale='linear'): |
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455 | """ |
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456 | Set the scale on Y-axis |
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457 | @param scale: the scale of y-axis |
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458 | """ |
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459 | self.subplot.set_yscale(scale) |
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460 | self.yscale = scale |
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461 | |
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462 | def get_yscale(self): |
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463 | """ |
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464 | @return: Y-axis scale |
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465 | """ |
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466 | return self.yscale |
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467 | |
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468 | def set_xscale(self, scale='linear'): |
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469 | """ |
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470 | Set the scale on x-axis |
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471 | @param scale: the scale of x-axis |
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472 | """ |
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473 | self.subplot.set_xscale(scale) |
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474 | self.xscale = scale |
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475 | |
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476 | def get_xscale(self): |
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477 | """ |
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478 | @return: x-axis scale |
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479 | """ |
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480 | return self.xscale |
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481 | |
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482 | def SetColor(self, rgbtuple): |
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483 | """Set figure and canvas colours to be the same""" |
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484 | if not rgbtuple: |
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485 | rgbtuple = wx.SystemSettings.GetColour(wx.SYS_COLOUR_BTNFACE).Get() |
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486 | col = [c/255.0 for c in rgbtuple] |
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487 | self.figure.set_facecolor(col) |
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488 | self.figure.set_edgecolor(col) |
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489 | self.canvas.SetBackgroundColour(wx.Colour(*rgbtuple)) |
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490 | |
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491 | def _onSize(self, event): |
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492 | self._resizeflag = True |
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493 | |
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494 | def _onIdle(self, evt): |
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495 | if self._resizeflag: |
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496 | self._resizeflag = False |
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497 | self._SetSize() |
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498 | self.draw() |
---|
499 | |
---|
500 | def _SetSize(self, pixels = None): |
---|
501 | """ |
---|
502 | This method can be called to force the Plot to be a desired size, which defaults to |
---|
503 | the ClientSize of the panel |
---|
504 | """ |
---|
505 | if not pixels: |
---|
506 | pixels = self.GetClientSize() |
---|
507 | self.canvas.SetSize(pixels) |
---|
508 | self.figure.set_size_inches(pixels[0]/self.figure.get_dpi(), |
---|
509 | pixels[1]/self.figure.get_dpi()) |
---|
510 | |
---|
511 | def draw(self): |
---|
512 | """Where the actual drawing happens""" |
---|
513 | self.figure.canvas.draw_idle() |
---|
514 | |
---|
515 | |
---|
516 | def onSaveImage(self, evt): |
---|
517 | #figure.savefig |
---|
518 | #print "Save image not implemented" |
---|
519 | path = None |
---|
520 | dlg = wx.FileDialog(self, "Choose a file", self._default_save_location, "", "*.png", wx.SAVE) |
---|
521 | if dlg.ShowModal() == wx.ID_OK: |
---|
522 | path = dlg.GetPath() |
---|
523 | self._default_save_location = os.path.dirname(path) |
---|
524 | dlg.Destroy() |
---|
525 | if not path == None: |
---|
526 | self.subplot.figure.savefig(path,dpi=300, facecolor='w', edgecolor='w', |
---|
527 | orentation='portrait', papertype=None, format='png') |
---|
528 | |
---|
529 | def onContextMenu(self, event): |
---|
530 | """ |
---|
531 | Default context menu for a plot panel |
---|
532 | """ |
---|
533 | # Slicer plot popup menu |
---|
534 | id = wx.NewId() |
---|
535 | slicerpop = wx.Menu() |
---|
536 | slicerpop.Append(id,'&Save image', 'Save image as PNG') |
---|
537 | wx.EVT_MENU(self, id, self.onSaveImage) |
---|
538 | |
---|
539 | #id = wx.NewId() |
---|
540 | #slicerpop.Append(id, '&Load 1D data file') |
---|
541 | #wx.EVT_MENU(self, id, self._onLoad1DData) |
---|
542 | |
---|
543 | id = wx.NewId() |
---|
544 | slicerpop.AppendSeparator() |
---|
545 | slicerpop.Append(id, '&Properties') |
---|
546 | wx.EVT_MENU(self, id, self._onProperties) |
---|
547 | |
---|
548 | id = wx.NewId() |
---|
549 | slicerpop.AppendSeparator() |
---|
550 | slicerpop.Append(id, '&Linear Fit') |
---|
551 | wx.EVT_MENU(self, id, self.onFitting) |
---|
552 | |
---|
553 | id = wx.NewId() |
---|
554 | slicerpop.AppendSeparator() |
---|
555 | slicerpop.Append(id, '&Reset Graph') |
---|
556 | wx.EVT_MENU(self, id, self.onResetGraph) |
---|
557 | |
---|
558 | pos = event.GetPosition() |
---|
559 | pos = self.ScreenToClient(pos) |
---|
560 | self.PopupMenu(slicerpop, pos) |
---|
561 | |
---|
562 | ## The following is plottable functionality |
---|
563 | |
---|
564 | |
---|
565 | def properties(self,prop): |
---|
566 | """Set some properties of the graph. |
---|
567 | |
---|
568 | The set of properties is not yet determined. |
---|
569 | """ |
---|
570 | # The particulars of how they are stored and manipulated (e.g., do |
---|
571 | # we want an inventory internally) is not settled. I've used a |
---|
572 | # property dictionary for now. |
---|
573 | # |
---|
574 | # How these properties interact with a user defined style file is |
---|
575 | # even less clear. |
---|
576 | |
---|
577 | # Properties defined by plot |
---|
578 | self.subplot.set_xlabel(r"$%s$" % prop["xlabel"]) |
---|
579 | self.subplot.set_ylabel(r"$%s$" % prop["ylabel"]) |
---|
580 | self.subplot.set_title(prop["title"]) |
---|
581 | |
---|
582 | # Properties defined by user |
---|
583 | #self.axes.grid(True) |
---|
584 | |
---|
585 | def clear(self): |
---|
586 | """Reset the plot""" |
---|
587 | |
---|
588 | # TODO: Redraw is brutal. Render to a backing store and swap in |
---|
589 | # TODO: rather than redrawing on the fly. |
---|
590 | self.subplot.clear() |
---|
591 | self.subplot.hold(True) |
---|
592 | |
---|
593 | def render(self): |
---|
594 | """Commit the plot after all objects are drawn""" |
---|
595 | # TODO: this is when the backing store should be swapped in. |
---|
596 | from matplotlib.font_manager import FontProperties |
---|
597 | self.subplot.legend(prop=FontProperties(size=10), handletextsep=.05) |
---|
598 | |
---|
599 | def xaxis(self,label,units): |
---|
600 | """xaxis label and units. |
---|
601 | |
---|
602 | Axis labels know about units. |
---|
603 | |
---|
604 | We need to do this so that we can detect when axes are not |
---|
605 | commesurate. Currently this is ignored other than for formatting |
---|
606 | purposes. |
---|
607 | """ |
---|
608 | if units != "": label = label + " (" + units + ")" |
---|
609 | self.subplot.set_xlabel(label) |
---|
610 | pass |
---|
611 | |
---|
612 | def yaxis(self,label,units): |
---|
613 | """yaxis label and units.""" |
---|
614 | if units != "": label = label + " (" + units + ")" |
---|
615 | self.subplot.set_ylabel(label) |
---|
616 | pass |
---|
617 | |
---|
618 | def _connect_to_xlim(self,callback): |
---|
619 | """Bind the xlim change notification to the callback""" |
---|
620 | def process_xlim(axes): |
---|
621 | lo,hi = subplot.get_xlim() |
---|
622 | callback(lo,hi) |
---|
623 | self.subplot.callbacks.connect('xlim_changed',process_xlim) |
---|
624 | |
---|
625 | #def connect(self,trigger,callback): |
---|
626 | # print "PlotPanel.connect???" |
---|
627 | # if trigger == 'xlim': self._connect_to_xlim(callback) |
---|
628 | |
---|
629 | def interactive_points(self,x,y,dx=None,dy=None,name='', color=0,symbol=0,label=None): |
---|
630 | """Draw markers with error bars""" |
---|
631 | self.subplot.set_yscale('linear') |
---|
632 | self.subplot.set_xscale('linear') |
---|
633 | |
---|
634 | from plottable_interactor import PointInteractor |
---|
635 | p = PointInteractor(self, self.subplot, zorder=3, id=name) |
---|
636 | p.points(x, y, dx=dx, dy=dy, color=color, symbol=symbol, label=label) |
---|
637 | |
---|
638 | self.subplot.set_yscale(self.yscale) |
---|
639 | self.subplot.set_xscale(self.xscale) |
---|
640 | |
---|
641 | def interactive_curve(self,x,y,dy=None,name='',color=0,symbol=0,label=None): |
---|
642 | """Draw markers with error bars""" |
---|
643 | self.subplot.set_yscale('linear') |
---|
644 | self.subplot.set_xscale('linear') |
---|
645 | |
---|
646 | from plottable_interactor import PointInteractor |
---|
647 | p = PointInteractor(self, self.subplot, zorder=4, id=name) |
---|
648 | p.curve(x, y, dy=dy, color=color, symbol=symbol, label=label) |
---|
649 | |
---|
650 | self.subplot.set_yscale(self.yscale) |
---|
651 | self.subplot.set_xscale(self.xscale) |
---|
652 | |
---|
653 | def plottable_selected(self, id): |
---|
654 | """ |
---|
655 | Called to register a plottable as selected |
---|
656 | """ |
---|
657 | #TODO: check that it really is in the list of plottables |
---|
658 | self.graph.selected_plottable = id |
---|
659 | |
---|
660 | def points(self,x,y,dx=None,dy=None,color=0,symbol=0,label=None): |
---|
661 | """Draw markers with error bars""" |
---|
662 | self.subplot.set_yscale('linear') |
---|
663 | self.subplot.set_xscale('linear') |
---|
664 | |
---|
665 | # Convert tuple (lo,hi) to array [(x-lo),(hi-x)] |
---|
666 | if dx != None and type(dx) == type(()): |
---|
667 | dx = nx.vstack((x-dx[0],dx[1]-x)).transpose() |
---|
668 | if dy != None and type(dy) == type(()): |
---|
669 | dy = nx.vstack((y-dy[0],dy[1]-y)).transpose() |
---|
670 | |
---|
671 | if dx==None and dy==None: |
---|
672 | h = self.subplot.plot(x,y,color=self._color(color), |
---|
673 | marker=self._symbol(symbol),linestyle='',label=label) |
---|
674 | else: |
---|
675 | col = self._color(color) |
---|
676 | self.subplot.errorbar(x, y, yerr=dy, xerr=None, |
---|
677 | ecolor=col, capsize=2,linestyle='', barsabove=False, |
---|
678 | mec=col, mfc=col, |
---|
679 | marker=self._symbol(symbol), |
---|
680 | lolims=False, uplims=False, |
---|
681 | xlolims=False, xuplims=False,label=label) |
---|
682 | |
---|
683 | self.subplot.set_yscale(self.yscale) |
---|
684 | self.subplot.set_xscale(self.xscale) |
---|
685 | |
---|
686 | def curve(self,x,y,dy=None,color=0,symbol=0,label=None): |
---|
687 | """Draw a line on a graph, possibly with confidence intervals.""" |
---|
688 | c = self._color(color) |
---|
689 | self.subplot.set_yscale('linear') |
---|
690 | self.subplot.set_xscale('linear') |
---|
691 | |
---|
692 | hlist = self.subplot.plot(x,y,color=c,marker='',linestyle='-',label=label) |
---|
693 | |
---|
694 | self.subplot.set_yscale(self.yscale) |
---|
695 | self.subplot.set_xscale(self.xscale) |
---|
696 | |
---|
697 | def _color(self,c): |
---|
698 | """Return a particular colour""" |
---|
699 | return self.colorlist[c%len(self.colorlist)] |
---|
700 | |
---|
701 | def _symbol(self,s): |
---|
702 | """Return a particular symbol""" |
---|
703 | return self.symbollist[s%len(self.symbollist)] |
---|
704 | |
---|
705 | def _replot(self, remove_fit=False): |
---|
706 | """ |
---|
707 | Rescale the plottables according to the latest |
---|
708 | user selection and update the plot |
---|
709 | |
---|
710 | @param remove_fit: Fit line will be removed if True |
---|
711 | """ |
---|
712 | self.graph.reset_scale() |
---|
713 | self._onEVT_FUNC_PROPERTY(remove_fit=remove_fit) |
---|
714 | |
---|
715 | #TODO: Why do we have to have the following line? |
---|
716 | self.fit_result.reset_view() |
---|
717 | |
---|
718 | self.graph.render(self) |
---|
719 | self.subplot.figure.canvas.draw_idle() |
---|
720 | |
---|
721 | def _onEVT_FUNC_PROPERTY(self, remove_fit=True): |
---|
722 | """ |
---|
723 | Receive the x and y transformation from myDialog,Transforms x and y in View |
---|
724 | and set the scale |
---|
725 | """ |
---|
726 | # The logic should be in the right order |
---|
727 | # Delete first, and then get the whole list... |
---|
728 | if remove_fit: |
---|
729 | self.graph.delete(self.fit_result) |
---|
730 | |
---|
731 | list =[] |
---|
732 | list = self.graph.returnPlottable() |
---|
733 | |
---|
734 | # Changing the scale might be incompatible with |
---|
735 | # currently displayed data (for instance, going |
---|
736 | # from ln to log when all plotted values have |
---|
737 | # negative natural logs). |
---|
738 | # Go linear and only change the scale at the end. |
---|
739 | self.set_xscale("linear") |
---|
740 | self.set_yscale("linear") |
---|
741 | _xscale = 'linear' |
---|
742 | _yscale = 'linear' |
---|
743 | |
---|
744 | |
---|
745 | for item in list: |
---|
746 | item.setLabel(self.xLabel,self.yLabel) |
---|
747 | if ( self.xLabel=="x" ): |
---|
748 | item.transformX(transform.toX,transform.errToX) |
---|
749 | name, units = item.get_xaxis() |
---|
750 | self.graph._xaxis_transformed("%s" % name, "%s" % units) |
---|
751 | |
---|
752 | |
---|
753 | if ( self.xLabel=="x^(2)" ): |
---|
754 | item.transformX(transform.toX2,transform.errToX2) |
---|
755 | name, units = item.get_xaxis() |
---|
756 | units=convertUnit(2,units) |
---|
757 | self.graph._xaxis_transformed("%s^{2}" % name, "%s" % units) |
---|
758 | |
---|
759 | |
---|
760 | if (self.xLabel=="log10(x)" ): |
---|
761 | item.transformX(transform.toX_pos,transform.errToX_pos) |
---|
762 | _xscale = 'log' |
---|
763 | name, units = item.get_xaxis() |
---|
764 | self.graph._xaxis_transformed("\log_{10}\ \ (%s)" % name, "%s" % units) |
---|
765 | |
---|
766 | |
---|
767 | if ( self.yLabel=="ln(y)" ): |
---|
768 | item.transformY(transform.toLogX,transform.errToLogX) |
---|
769 | name, units = item.get_yaxis() |
---|
770 | self.graph._yaxis_transformed("\log\ \ %s" % name, "%s" % units) |
---|
771 | |
---|
772 | |
---|
773 | if ( self.yLabel=="y" ): |
---|
774 | item.transformY(transform.toX,transform.errToX) |
---|
775 | name, units = item.get_yaxis() |
---|
776 | self.graph._yaxis_transformed("%s" % name, "%s" % units) |
---|
777 | |
---|
778 | |
---|
779 | if ( self.yLabel=="log10(y)" ): |
---|
780 | item.transformY(transform.toX_pos,transform.errToX_pos) |
---|
781 | _yscale = 'log' |
---|
782 | name, units = item.get_yaxis() |
---|
783 | self.graph._yaxis_transformed("\log_{10}\ \ (%s)" % name, "%s" % units) |
---|
784 | |
---|
785 | |
---|
786 | if ( self.yLabel=="y^(2)" ): |
---|
787 | item.transformY( transform.toX2,transform.errToX2 ) |
---|
788 | name, units = item.get_yaxis() |
---|
789 | units=convertUnit(2,units) |
---|
790 | self.graph._yaxis_transformed("%s^{2}" % name, "%s" % units) |
---|
791 | |
---|
792 | |
---|
793 | if ( self.yLabel =="1/y"): |
---|
794 | item.transformY(transform.toOneOverX,transform.errOneOverX ) |
---|
795 | name, units = item.get_yaxis() |
---|
796 | units=convertUnit(-1,units) |
---|
797 | self.graph._yaxis_transformed("1/%s" % name, "%s" % units) |
---|
798 | |
---|
799 | if ( self.yLabel =="1/sqrt(y)" ): |
---|
800 | item.transformY(transform.toOneOverSqrtX,transform.errOneOverSqrtX ) |
---|
801 | name, units = item.get_yaxis() |
---|
802 | units=convertUnit(-0.5,units) |
---|
803 | self.graph._yaxis_transformed("1/\sqrt{%s}" %name, "%s" % units) |
---|
804 | |
---|
805 | if ( self.yLabel =="ln(y*x)"): |
---|
806 | item.transformY( transform.toLogXY,transform.errToLogXY) |
---|
807 | yname, yunits = item.get_yaxis() |
---|
808 | xname, xunits = item.get_xaxis() |
---|
809 | self.graph._yaxis_transformed("\log\ (%s \ \ %s)" % (yname,xname), "%s%s" % (yunits,xunits)) |
---|
810 | |
---|
811 | |
---|
812 | if ( self.yLabel =="ln(y*x^(2))"): |
---|
813 | item.transformY( transform.toLogYX2,transform.errToLogYX2) |
---|
814 | yname, yunits = item.get_yaxis() |
---|
815 | xname, xunits = item.get_xaxis() |
---|
816 | xunits = convertUnit(2,xunits) |
---|
817 | self.graph._yaxis_transformed("\log (%s \ \ %s^{2})" % (yname,xname), "%s%s" % (yunits,xunits)) |
---|
818 | |
---|
819 | |
---|
820 | if ( self.yLabel =="ln(y*x^(4))"): |
---|
821 | item.transformY(transform.toLogYX4,transform.errToLogYX4) |
---|
822 | yname, yunits = item.get_yaxis() |
---|
823 | xname, xunits = item.get_xaxis() |
---|
824 | xunits = convertUnit(4,xunits) |
---|
825 | self.graph._yaxis_transformed("\log (%s \ \ %s^{4})" % (yname,xname), "%s%s" % (yunits,xunits)) |
---|
826 | |
---|
827 | if ( self.viewModel == "Guinier lny vs x^(2)"): |
---|
828 | |
---|
829 | item.transformX(transform.toX2,transform.errToX2) |
---|
830 | name, units = item.get_xaxis() |
---|
831 | units = convertUnit(2,units) |
---|
832 | self.graph._xaxis_transformed("%s^{2}" % name, "%s" % units) |
---|
833 | |
---|
834 | |
---|
835 | item.transformY(transform.toLogX,transform.errToLogX ) |
---|
836 | name, units = item.get_yaxis() |
---|
837 | self.graph._yaxis_transformed("\log\ \ %s" % name, "%s" % units) |
---|
838 | |
---|
839 | |
---|
840 | item.transformView() |
---|
841 | |
---|
842 | self.resetFitView() |
---|
843 | self.prevXtrans = self.xLabel |
---|
844 | self.prevYtrans = self.yLabel |
---|
845 | self.graph.render(self) |
---|
846 | |
---|
847 | self.set_xscale(_xscale) |
---|
848 | self.set_yscale(_yscale) |
---|
849 | |
---|
850 | self.subplot.figure.canvas.draw_idle() |
---|
851 | |
---|
852 | |
---|
853 | |
---|
854 | def onFitDisplay(self, tempx,tempy,xminView,xmaxView,xmin,xmax,func): |
---|
855 | """ |
---|
856 | Add a new plottable into the graph .In this case this plottable will be used |
---|
857 | to fit some data |
---|
858 | @param tempx: The x data of fit line |
---|
859 | @param tempy: The y data of fit line |
---|
860 | @param xminView: the lower bound of fitting range |
---|
861 | @param xminView: the upper bound of fitting range |
---|
862 | @param xmin: the lowest value of data to fit to the line |
---|
863 | @param xmax: the highest value of data to fit to the line |
---|
864 | """ |
---|
865 | # Saving value to redisplay in Fit Dialog when it is opened again |
---|
866 | self.Avalue,self.Bvalue,self.ErrAvalue,self.ErrBvalue,self.Chivalue=func |
---|
867 | self.xminView=xminView |
---|
868 | self.xmaxView=xmaxView |
---|
869 | self.xmin= xmin |
---|
870 | self.xmax= xmax |
---|
871 | #In case need to change the range of data plotted |
---|
872 | list =[] |
---|
873 | list = self.graph.returnPlottable() |
---|
874 | for item in list: |
---|
875 | #item.onFitRange(xminView,xmaxView) |
---|
876 | item.onFitRange(None,None) |
---|
877 | |
---|
878 | # Create new data plottable with result |
---|
879 | self.fit_result.x =[] |
---|
880 | self.fit_result.y =[] |
---|
881 | self.fit_result.x =tempx |
---|
882 | self.fit_result.y =tempy |
---|
883 | self.fit_result.dx=None |
---|
884 | self.fit_result.dy=None |
---|
885 | #Load the view with the new values |
---|
886 | self.fit_result.reset_view() |
---|
887 | # Add the new plottable to the graph |
---|
888 | self.graph.add(self.fit_result) |
---|
889 | self.graph.render(self) |
---|
890 | self._offset_graph() |
---|
891 | self.subplot.figure.canvas.draw_idle() |
---|
892 | |
---|
893 | |
---|
894 | def onResetGraph(self,event): |
---|
895 | """ |
---|
896 | Reset the graph by plotting the full range of data |
---|
897 | """ |
---|
898 | list =[] |
---|
899 | list = self.graph.returnPlottable() |
---|
900 | for item in list: |
---|
901 | item.onReset() |
---|
902 | self.graph.render(self) |
---|
903 | self.subplot.figure.canvas.draw_idle() |
---|
904 | |
---|
905 | class NoRepaintCanvas(FigureCanvasWxAgg): |
---|
906 | """We subclass FigureCanvasWxAgg, overriding the _onPaint method, so that |
---|
907 | the draw method is only called for the first two paint events. After that, |
---|
908 | the canvas will only be redrawn when it is resized. |
---|
909 | """ |
---|
910 | def __init__(self, *args, **kwargs): |
---|
911 | FigureCanvasWxAgg.__init__(self, *args, **kwargs) |
---|
912 | self._drawn = 0 |
---|
913 | |
---|
914 | def _onPaint(self, evt): |
---|
915 | """ |
---|
916 | Called when wxPaintEvt is generated |
---|
917 | """ |
---|
918 | if not self._isRealized: |
---|
919 | self.realize() |
---|
920 | if self._drawn < 2: |
---|
921 | self.draw(repaint = False) |
---|
922 | self._drawn += 1 |
---|
923 | self.gui_repaint(drawDC=wx.PaintDC(self)) |
---|
924 | |
---|