[2d107b8] | 1 | #TODO: the line slicer should listen to all 2DREFRESH events, get the data and slice it |
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| 2 | # before pushing a new 1D data update. |
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| 3 | |
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| 4 | # |
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| 5 | #TODO: NEED MAJOR REFACTOR |
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| 6 | # |
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| 7 | |
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| 8 | |
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| 9 | # Debug printout |
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| 10 | from config import printEVT |
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| 11 | from BaseInteractor import _BaseInteractor |
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| 12 | from copy import deepcopy |
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| 13 | import math |
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| 14 | |
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| 15 | from Plotter1D import AddPlotEvent |
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| 16 | import SlicerParameters |
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| 17 | import wx |
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| 18 | |
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| 19 | class AnnulusInteractor(_BaseInteractor): |
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| 20 | """ |
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| 21 | Select an annulus through a 2D plot |
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| 22 | """ |
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| 23 | def __init__(self,base,axes,color='black', zorder=3): |
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| 24 | |
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| 25 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 26 | self.markers = [] |
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| 27 | self.axes = axes |
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[ffd23b5] | 28 | self.qmax = self.base.data2D.xmax |
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[2d107b8] | 29 | self.connect = self.base.connect |
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| 30 | |
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| 31 | ## Number of points on the plot |
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| 32 | self.nbins = 20 |
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| 33 | |
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| 34 | # Inner circle |
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| 35 | self.inner_circle = RingInteractor(self, self.base.subplot, zorder=zorder, r=self.qmax/2.0) |
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[ffd23b5] | 36 | self.inner_circle.qmax = self.qmax |
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[2d107b8] | 37 | |
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| 38 | #self.outer_circle.set_cursor(self.base.qmax/1.8, 0) |
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| 39 | |
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| 40 | |
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| 41 | self.update() |
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| 42 | self._post_data() |
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| 43 | |
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| 44 | # Bind to slice parameter events |
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| 45 | self.base.parent.Bind(SlicerParameters.EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 46 | |
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| 47 | |
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| 48 | def _onEVT_SLICER_PARS(self, event): |
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| 49 | printEVT("AnnulusSlicer._onEVT_SLICER_PARS") |
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| 50 | event.Skip() |
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| 51 | if event.type == self.__class__.__name__: |
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| 52 | self.set_params(event.params) |
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| 53 | self.base.update() |
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| 54 | |
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| 55 | def update_and_post(self): |
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| 56 | self.update() |
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| 57 | self._post_data() |
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| 58 | |
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| 59 | def save_data(self, path, image, x, y): |
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| 60 | output = open(path, 'w') |
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| 61 | |
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| 62 | data_x, data_y = self.get_data(image, x, y) |
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| 63 | |
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| 64 | output.write("<phi> <average>\n") |
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| 65 | for i in range(len(data_x)): |
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| 66 | output.write("%g %g\n" % (data_x[i], data_y[i])) |
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| 67 | output.close() |
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| 68 | |
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| 69 | def set_layer(self, n): |
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| 70 | self.layernum = n |
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| 71 | self.update() |
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| 72 | |
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| 73 | def clear(self): |
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| 74 | self.clear_markers() |
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| 75 | |
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| 76 | self.inner_circle.clear() |
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| 77 | #self.base.connect.disconnect() |
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| 78 | self.base.parent.Unbind(SlicerParameters.EVT_SLICER_PARS) |
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| 79 | |
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| 80 | def update(self): |
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| 81 | """ |
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| 82 | Respond to changes in the model by recalculating the profiles and |
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| 83 | resetting the widgets. |
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| 84 | """ |
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| 85 | # Update locations |
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| 86 | self.inner_circle.update() |
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| 87 | |
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| 88 | |
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| 89 | |
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| 90 | def get_data(self, image, x, y): |
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| 91 | """ |
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| 92 | Return a 1D vector corresponding to the slice |
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| 93 | @param image: data matrix |
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| 94 | @param x: x matrix |
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| 95 | @param y: y matrix |
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| 96 | """ |
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| 97 | # If we have no data, just return |
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| 98 | if image == None: |
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| 99 | return |
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| 100 | |
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| 101 | nbins = self.nbins |
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| 102 | |
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| 103 | data_x = nbins*[0] |
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| 104 | data_y = nbins*[0] |
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| 105 | counts = nbins*[0] |
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| 106 | length = len(image) |
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| 107 | print "length x , y , image", len(x), len(y), length |
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| 108 | |
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| 109 | for i_x in range(length): |
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| 110 | for i_y in range(length): |
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| 111 | |
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| 112 | q = math.sqrt(x[i_x]*x[i_x] + y[i_y]*y[i_y]) |
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| 113 | if (q>self.inner_circle._inner_mouse_x \ |
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| 114 | and q<self.outer_circle._inner_mouse_x) \ |
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| 115 | or (q<self.inner_circle._inner_mouse_x \ |
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| 116 | and q>self.outer_circle._inner_mouse_x): |
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| 117 | |
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| 118 | i_bin = int(math.ceil(nbins*(math.atan2(y[i_y], x[i_x])+math.pi)/(2.0*math.pi)) - 1) |
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| 119 | |
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| 120 | |
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| 121 | #data_y[i_bin] += math.exp(image[i_x][i_y]) |
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| 122 | data_y[i_bin] += image[i_y][i_x] |
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| 123 | counts[i_bin] += 1.0 |
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| 124 | |
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| 125 | for i in range(nbins): |
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| 126 | data_x[i] = (1.0*i+0.5)*2.0*math.pi/nbins |
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| 127 | if counts[i]>0: |
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| 128 | data_y[i] = data_y[i]/counts[i] |
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| 129 | |
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| 130 | return data_x, data_y |
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| 131 | |
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| 132 | def save(self, ev): |
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| 133 | """ |
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| 134 | Remember the roughness for this layer and the next so that we |
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| 135 | can restore on Esc. |
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| 136 | """ |
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| 137 | self.base.freeze_axes() |
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| 138 | self.inner_circle.save(ev) |
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| 139 | |
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| 140 | |
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| 141 | def _post_data(self): |
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| 142 | # Compute data |
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| 143 | data = self.base.get_corrected_data() |
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| 144 | # If we have no data, just return |
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| 145 | if data == None: |
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| 146 | return |
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| 147 | |
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| 148 | data_x, data_y = self.get_data(data, self.base.x, self.base.y) |
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| 149 | |
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| 150 | name = "Ring" |
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| 151 | if hasattr(self.base, "name"): |
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| 152 | name += " %s" % self.base.name |
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| 153 | |
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| 154 | wx.PostEvent(self.base.parent, AddPlotEvent(name=name, |
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| 155 | x = data_x, |
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| 156 | y = data_y, |
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| 157 | qmin = self.inner_circle._inner_mouse_x, |
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| 158 | qmax = self.outer_circle._inner_mouse_x, |
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| 159 | yscale = 'log', |
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| 160 | variable = 'ANGLE', |
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| 161 | ylabel = "\\rm{Intensity} ", |
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| 162 | yunits = "cm^{-1}", |
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| 163 | xlabel = "\\rm{\phi}", |
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| 164 | xunits = "rad", |
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| 165 | parent = self.base.__class__.__name__)) |
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| 166 | |
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| 167 | |
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| 168 | def moveend(self, ev): |
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| 169 | self.base.thaw_axes() |
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| 170 | |
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| 171 | # Post paramters |
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| 172 | event = SlicerParameters.SlicerParameterEvent() |
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| 173 | event.type = self.__class__.__name__ |
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| 174 | event.params = self.get_params() |
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| 175 | wx.PostEvent(self.base.parent, event) |
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| 176 | |
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| 177 | self._post_data() |
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| 178 | |
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| 179 | def restore(self): |
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| 180 | """ |
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| 181 | Restore the roughness for this layer. |
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| 182 | """ |
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| 183 | self.inner_circle.restore() |
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| 184 | |
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| 185 | |
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| 186 | def move(self, x, y, ev): |
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| 187 | """ |
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| 188 | Process move to a new position, making sure that the move is allowed. |
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| 189 | """ |
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| 190 | pass |
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| 191 | |
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| 192 | def set_cursor(self, x, y): |
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| 193 | pass |
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| 194 | |
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| 195 | def get_params(self): |
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| 196 | params = {} |
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| 197 | params["inner_radius"] = self.inner_circle._inner_mouse_x |
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| 198 | |
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| 199 | params["nbins"] = self.nbins |
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| 200 | return params |
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| 201 | |
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| 202 | def set_params(self, params): |
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| 203 | |
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| 204 | inner = params["inner_radius"] |
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| 205 | |
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| 206 | self.nbins = int(params["nbins"]) |
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| 207 | self.inner_circle.set_cursor(inner, self.inner_circle._inner_mouse_y) |
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| 208 | |
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| 209 | self._post_data() |
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| 210 | |
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| 211 | def freeze_axes(self): |
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| 212 | self.base.freeze_axes() |
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| 213 | |
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| 214 | def thaw_axes(self): |
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| 215 | self.base.thaw_axes() |
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| 216 | |
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| 217 | def draw(self): |
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| 218 | self.base.draw() |
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| 219 | |
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| 220 | |
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| 221 | class RingInteractor(_BaseInteractor): |
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| 222 | """ |
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| 223 | Select an annulus through a 2D plot |
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| 224 | """ |
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| 225 | def __init__(self,base,axes,color='black', zorder=5, r=1.0): |
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| 226 | |
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| 227 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 228 | self.markers = [] |
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| 229 | self.axes = axes |
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| 230 | self._inner_mouse_x = r |
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| 231 | self._inner_mouse_y = 0 |
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| 232 | self._inner_save_x = r |
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| 233 | self._inner_save_y = 0 |
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| 234 | self.scale = 10.0 |
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| 235 | |
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| 236 | try: |
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| 237 | # Inner circle marker |
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| 238 | self.inner_marker = self.axes.plot([self._inner_mouse_x],[0], linestyle='', |
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| 239 | marker='s', markersize=10, |
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| 240 | color=self.color, alpha=0.6, |
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| 241 | pickradius=5, label="pick", |
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| 242 | zorder=zorder, # Prefer this to other lines |
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| 243 | visible=True)[0] |
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| 244 | except: |
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| 245 | self.inner_marker = self.axes.plot([self._inner_mouse_x],[0], linestyle='', |
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| 246 | marker='s', markersize=10, |
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| 247 | color=self.color, alpha=0.6, |
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| 248 | label="pick", |
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| 249 | visible=True)[0] |
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| 250 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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| 251 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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| 252 | |
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| 253 | #raise "Version error", message |
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| 254 | |
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| 255 | # Inner circle |
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| 256 | |
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| 257 | |
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| 258 | [self.inner_circle] = self.axes.plot([],[], |
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| 259 | linestyle='-', marker='', |
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| 260 | color=self.color) |
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| 261 | self.npts = 20 |
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| 262 | |
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| 263 | self.connect_markers([self.inner_marker]) |
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| 264 | self.update() |
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| 265 | |
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| 266 | def set_layer(self, n): |
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| 267 | self.layernum = n |
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| 268 | self.update() |
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| 269 | |
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| 270 | def clear(self): |
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| 271 | self.clear_markers() |
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| 272 | try: |
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| 273 | self.inner_marker.remove() |
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| 274 | self.inner_circle.remove() |
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| 275 | except: |
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| 276 | # Old version of matplotlib |
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| 277 | for item in range(len(self.axes.lines)): |
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| 278 | del self.axes.lines[0] |
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| 279 | |
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| 280 | |
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| 281 | |
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| 282 | def get_radius(self): |
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| 283 | return self._inner_mouse_x |
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| 284 | |
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| 285 | def update(self): |
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| 286 | """ |
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| 287 | Draw the new roughness on the graph. |
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| 288 | """ |
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| 289 | # Plot inner circle |
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| 290 | x = [] |
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| 291 | y = [] |
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| 292 | for i in range(self.npts): |
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| 293 | phi = 2.0*math.pi/(self.npts-1)*i |
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| 294 | |
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| 295 | xval = 1.0*self._inner_mouse_x*math.cos(phi) |
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| 296 | yval = 1.0*self._inner_mouse_x*math.sin(phi) |
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| 297 | |
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| 298 | x.append(xval) |
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| 299 | y.append(yval) |
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| 300 | |
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| 301 | self.inner_marker.set(xdata=[self._inner_mouse_x],ydata=[0]) |
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| 302 | self.inner_circle.set_data(x, y) |
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| 303 | |
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| 304 | def save(self, ev): |
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| 305 | """ |
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| 306 | Remember the roughness for this layer and the next so that we |
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| 307 | can restore on Esc. |
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| 308 | """ |
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| 309 | self._inner_save_x = self._inner_mouse_x |
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| 310 | self._inner_save_y = self._inner_mouse_y |
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| 311 | self.base.freeze_axes() |
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| 312 | |
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| 313 | def moveend(self, ev): |
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| 314 | self.base.moveend(ev) |
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| 315 | |
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| 316 | def restore(self): |
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| 317 | """ |
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| 318 | Restore the roughness for this layer. |
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| 319 | """ |
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| 320 | self._inner_mouse_x = self._inner_save_x |
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| 321 | self._inner_mouse_y = self._inner_save_y |
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| 322 | |
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| 323 | def move(self, x, y, ev): |
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| 324 | """ |
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| 325 | Process move to a new position, making sure that the move is allowed. |
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| 326 | """ |
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| 327 | self._inner_mouse_x = x |
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| 328 | self._inner_mouse_y = y |
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| 329 | self.base.base.update() |
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| 330 | |
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| 331 | def set_cursor(self, x, y): |
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| 332 | self.move(x, y, None) |
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| 333 | self.update() |
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| 334 | |
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| 335 | |
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| 336 | def get_params(self): |
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| 337 | params = {} |
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| 338 | params["radius"] = self._inner_mouse_x |
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| 339 | return params |
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| 340 | |
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| 341 | def set_params(self, params): |
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| 342 | |
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| 343 | x = params["radius"] |
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| 344 | self.set_cursor(x, self._inner_mouse_y) |
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| 345 | |
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| 346 | |
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