| 1 | """ |
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| 2 | Boxsum Class: determine 2 rectangular area to compute |
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| 3 | the sum of pixel of a Data. |
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| 4 | """ |
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| 5 | import math |
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| 6 | import wx |
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| 7 | from BaseInteractor import _BaseInteractor |
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| 8 | from sans.guiframe.events import SlicerParamUpdateEvent |
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| 9 | from sans.guiframe.events import EVT_SLICER_PARS |
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| 10 | from sans.guiframe.events import StatusEvent |
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| 11 | |
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| 12 | |
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| 13 | class BoxSum(_BaseInteractor): |
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| 14 | """ |
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| 15 | Boxsum Class: determine 2 rectangular area to compute |
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| 16 | the sum of pixel of a Data. |
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| 17 | Uses PointerInteractor , VerticalDoubleLine,HorizontalDoubleLine. |
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| 18 | @param zorder: Artists with lower zorder values are drawn first. |
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| 19 | @param x_min: the minimum value of the x coordinate |
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| 20 | @param x_max: the maximum value of the x coordinate |
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| 21 | @param y_min: the minimum value of the y coordinate |
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| 22 | @param y_max: the maximum value of the y coordinate |
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| 23 | |
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| 24 | """ |
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| 25 | def __init__(self, base, axes, color='black', zorder=3, x_min=0.008, |
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| 26 | x_max=0.008, y_min=0.0025, y_max=0.0025): |
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| 27 | """ |
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| 28 | """ |
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| 29 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 30 | ## class initialization |
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| 31 | ## list of Boxsmun markers |
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| 32 | self.markers = [] |
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| 33 | self.axes = axes |
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| 34 | ## connect the artist for the motion |
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| 35 | self.connect = self.base.connect |
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| 36 | ## when qmax is reached the selected line is reset the its previous value |
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| 37 | self.qmax = min(self.base.data2D.xmax, self.base.data2D.xmin) |
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| 38 | ## Define the boxsum limits |
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| 39 | self.xmin = -1 * 0.5 * min(math.fabs(self.base.data2D.xmax), |
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| 40 | math.fabs(self.base.data2D.xmin)) |
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| 41 | self.ymin = -1 * 0.5 * min(math.fabs(self.base.data2D.xmax), |
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| 42 | math.fabs(self.base.data2D.xmin)) |
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| 43 | self.xmax = 0.5 * min(math.fabs(self.base.data2D.xmax), |
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| 44 | math.fabs(self.base.data2D.xmin)) |
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| 45 | self.ymax = 0.5 * min(math.fabs(self.base.data2D.xmax), |
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| 46 | math.fabs(self.base.data2D.xmin)) |
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| 47 | ## center of the boxSum |
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| 48 | self.center_x = 0.0002 |
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| 49 | self.center_y = 0.0003 |
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| 50 | ## Number of points on the plot |
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| 51 | self.nbins = 20 |
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| 52 | ## Define initial result the summation |
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| 53 | self.count = 0 |
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| 54 | self.error = 0 |
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| 55 | ## Flag to determine if the current figure has moved |
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| 56 | ## set to False == no motion , set to True== motion |
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| 57 | self.has_move = False |
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| 58 | ## Create Boxsum edges |
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| 59 | self.horizontal_lines = HorizontalDoubleLine(self, |
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| 60 | self.base.subplot, |
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| 61 | color='blue', |
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| 62 | zorder=zorder, |
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| 63 | y=self.ymax, |
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| 64 | x=self.xmax, |
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| 65 | center_x=self.center_x, |
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| 66 | center_y=self.center_y) |
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| 67 | self.horizontal_lines.qmax = self.qmax |
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| 68 | |
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| 69 | self.vertical_lines = VerticalDoubleLine(self, |
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| 70 | self.base.subplot, |
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| 71 | color='black', |
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| 72 | zorder=zorder, |
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| 73 | y=self.ymax, |
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| 74 | x=self.xmax, |
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| 75 | center_x=self.center_x, |
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| 76 | center_y=self.center_y) |
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| 77 | self.vertical_lines.qmax = self.qmax |
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| 78 | |
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| 79 | self.center = PointInteractor(self, |
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| 80 | self.base.subplot,color='grey', |
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| 81 | zorder=zorder, |
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| 82 | center_x= self.center_x, |
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| 83 | center_y= self.center_y) |
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| 84 | ## Save the name of the slicer panel associate with this slicer |
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| 85 | self.panel_name = "" |
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| 86 | ## Update and post slicer parameters |
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| 87 | self.update() |
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| 88 | self._post_data() |
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| 89 | ## Bind to slice parameter events |
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| 90 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 91 | |
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| 92 | def set_panel_name(self, name): |
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| 93 | """ |
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| 94 | Store the name of the panel associated to this slicer |
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| 95 | @param name: the name of this panel |
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| 96 | """ |
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| 97 | self.panel_name = name |
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| 98 | |
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| 99 | def _onEVT_SLICER_PARS(self, event): |
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| 100 | """ |
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| 101 | receive an event containing parameters values to reset the slicer |
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| 102 | @param event: event of type SlicerParameterEvent with params as |
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| 103 | attribute |
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| 104 | """ |
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| 105 | ## Post e message to declare what kind of event has being received |
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| 106 | wx.PostEvent(self.base.parent, |
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| 107 | StatusEvent(status="Boxsum._onEVT_SLICER_PARS")) |
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| 108 | event.Skip() |
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| 109 | ## reset the slicer with the values contains the event.params dictionary |
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| 110 | if event.type == self.__class__.__name__: |
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| 111 | self.set_params(event.params) |
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| 112 | self.base.update() |
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| 113 | |
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| 114 | def set_layer(self, n): |
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| 115 | """ |
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| 116 | Allow adding plot to the same panel |
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| 117 | :param n: the number of layer |
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| 118 | """ |
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| 119 | self.layernum = n |
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| 120 | self.update() |
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| 121 | |
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| 122 | def clear(self): |
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| 123 | """ |
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| 124 | Clear the slicer and all connected events related to this slicer |
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| 125 | """ |
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| 126 | self.clear_markers() |
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| 127 | self.horizontal_lines.clear() |
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| 128 | self.vertical_lines.clear() |
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| 129 | self.center.clear() |
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| 130 | self.base.connect.clearall() |
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| 131 | self.base.Unbind(EVT_SLICER_PARS) |
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| 132 | |
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| 133 | def update(self): |
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| 134 | """ |
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| 135 | Respond to changes in the model by recalculating the profiles and |
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| 136 | resetting the widgets. |
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| 137 | """ |
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| 138 | ## check if the center point has moved and update the figure accordingly |
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| 139 | if self.center.has_move: |
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| 140 | self.center.update() |
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| 141 | self.horizontal_lines.update( center= self.center) |
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| 142 | self.vertical_lines.update( center= self.center) |
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| 143 | ## check if the horizontal lines have moved and |
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| 144 | #update the figure accordingly |
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| 145 | if self.horizontal_lines.has_move: |
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| 146 | self.horizontal_lines.update() |
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| 147 | self.vertical_lines.update(y1=self.horizontal_lines.y1, |
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| 148 | y2=self.horizontal_lines.y2, |
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| 149 | height=self.horizontal_lines.half_height) |
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| 150 | ## check if the vertical lines have moved and |
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| 151 | #update the figure accordingly |
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| 152 | if self.vertical_lines.has_move: |
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| 153 | self.vertical_lines.update() |
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| 154 | self.horizontal_lines.update(x1=self.vertical_lines.x1, |
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| 155 | x2=self.vertical_lines.x2, |
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| 156 | width=self.vertical_lines.half_width) |
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| 157 | |
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| 158 | def save(self, ev): |
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| 159 | """ |
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| 160 | Remember the roughness for this layer and the next so that we |
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| 161 | can restore on Esc. |
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| 162 | """ |
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| 163 | self.base.freeze_axes() |
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| 164 | self.horizontal_lines.save(ev) |
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| 165 | self.vertical_lines.save(ev) |
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| 166 | self.center.save(ev) |
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| 167 | |
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| 168 | def _post_data(self): |
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| 169 | """ |
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| 170 | Get the limits of the boxsum and compute the sum of the pixel |
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| 171 | contained in that region and the error on that sum |
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| 172 | """ |
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| 173 | ## Data 2D for which the pixel will be summed |
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| 174 | data = self.base.data2D |
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| 175 | ## the region of the summation |
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| 176 | x_min = self.horizontal_lines.x2 |
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| 177 | x_max = self.horizontal_lines.x1 |
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| 178 | y_min = self.vertical_lines.y2 |
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| 179 | y_max = self.vertical_lines.y1 |
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| 180 | ##computation of the sum and its error |
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| 181 | from sans.dataloader.manipulations import Boxavg |
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| 182 | box = Boxavg(x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max) |
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| 183 | self.count, self.error = box(self.base.data2D) |
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| 184 | |
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| 185 | def moveend(self, ev): |
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| 186 | """ |
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| 187 | After a dragging motion this function is called to compute |
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| 188 | the error and the sum of pixel of a given data 2D |
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| 189 | """ |
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| 190 | self.base.thaw_axes() |
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| 191 | ## compute error an d sum of data's pixel |
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| 192 | self._post_data() |
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| 193 | ## Create and event ( posted to guiframe)that set the |
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| 194 | ##current slicer parameter to a panel of name self.panel_name |
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| 195 | self.type = self.__class__.__name__ |
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| 196 | params = self.get_params() |
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| 197 | event = SlicerParamUpdateEvent(type=self.type, |
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| 198 | params=params, |
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| 199 | panel_name=self.panel_name) |
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| 200 | wx.PostEvent(self.base.parent, event) |
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| 201 | |
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| 202 | def restore(self): |
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| 203 | """ |
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| 204 | Restore the roughness for this layer. |
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| 205 | """ |
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| 206 | self.horizontal_lines.restore() |
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| 207 | self.vertical_lines.restore() |
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| 208 | self.center.restore() |
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| 209 | |
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| 210 | def move(self, x, y, ev): |
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| 211 | """ |
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| 212 | Process move to a new position, making sure that the move is allowed. |
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| 213 | """ |
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| 214 | pass |
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| 215 | |
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| 216 | def set_cursor(self, x, y): |
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| 217 | """ |
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| 218 | """ |
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| 219 | pass |
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| 220 | |
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| 221 | def get_params(self): |
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| 222 | """ |
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| 223 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 224 | :return params: the dictionary created |
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| 225 | """ |
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| 226 | params = {} |
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| 227 | params["Width"] = math.fabs(self.vertical_lines.half_width) * 2 |
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| 228 | params["Height"] = math.fabs(self.horizontal_lines.half_height) * 2 |
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| 229 | params["center_x"] = self.center.x |
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| 230 | params["center_y"] = self.center.y |
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| 231 | params["count"] = self.count |
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| 232 | params["errors"] = self.error |
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| 233 | return params |
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| 234 | |
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| 235 | def get_result(self): |
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| 236 | """ |
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| 237 | return the result of box summation |
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| 238 | """ |
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| 239 | result = {} |
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| 240 | result["count"] = self.count |
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| 241 | result["error"] = self.error |
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| 242 | return result |
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| 243 | |
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| 244 | def set_params(self, params): |
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| 245 | """ |
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| 246 | Receive a dictionary and reset the slicer with values contained |
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| 247 | in the values of the dictionary. |
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| 248 | :param params: a dictionary containing name of slicer parameters and |
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| 249 | values the user assigned to the slicer. |
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| 250 | """ |
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| 251 | x_max = math.fabs(params["Width"] )/2 |
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| 252 | y_max = math.fabs(params["Height"] )/2 |
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| 253 | |
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| 254 | self.center_x = params["center_x"] |
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| 255 | self.center_y = params["center_y"] |
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| 256 | #update the slicer given values of params |
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| 257 | self.center.update(center_x=self.center_x, center_y=self.center_y) |
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| 258 | self.horizontal_lines.update(center=self.center, |
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| 259 | width=x_max, height=y_max) |
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| 260 | self.vertical_lines.update(center=self.center, |
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| 261 | width=x_max, height=y_max) |
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| 262 | #compute the new error and sum given values of params |
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| 263 | self._post_data() |
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| 264 | |
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| 265 | def freeze_axes(self): |
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| 266 | """ |
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| 267 | """ |
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| 268 | self.base.freeze_axes() |
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| 269 | |
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| 270 | def thaw_axes(self): |
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| 271 | """ |
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| 272 | """ |
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| 273 | self.base.thaw_axes() |
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| 274 | |
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| 275 | def draw(self): |
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| 276 | """ |
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| 277 | """ |
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| 278 | self.base.draw() |
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| 279 | |
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| 280 | |
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| 281 | |
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| 282 | class PointInteractor(_BaseInteractor): |
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| 283 | """ |
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| 284 | Draw a point that can be dragged with the marker. |
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| 285 | this class controls the motion the center of the BoxSum |
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| 286 | """ |
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| 287 | def __init__(self, base, axes, color='black', zorder=5, center_x=0.0, |
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| 288 | center_y=0.0): |
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| 289 | """ |
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| 290 | """ |
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| 291 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 292 | ## Initialization the class |
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| 293 | self.markers = [] |
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| 294 | self.axes = axes |
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| 295 | # center coordinates |
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| 296 | self.x = center_x |
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| 297 | self.y = center_y |
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| 298 | ## saved value of the center coordinates |
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| 299 | self.save_x = center_x |
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| 300 | self.save_y = center_y |
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| 301 | ## Create a marker |
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| 302 | try: |
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| 303 | self.center_marker = self.axes.plot([self.x],[self.y], linestyle='', |
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| 304 | marker='s', markersize=10, |
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| 305 | color=self.color, alpha=0.6, |
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| 306 | pickradius=5, label="pick", |
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| 307 | # Prefer this to other lines |
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| 308 | zorder=zorder, |
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| 309 | visible=True)[0] |
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| 310 | except: |
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| 311 | self.center_marker = self.axes.plot([self.x],[self.y], linestyle='', |
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| 312 | marker='s', markersize=10, |
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| 313 | color=self.color, alpha=0.6, |
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| 314 | label="pick", |
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| 315 | visible=True)[0] |
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| 316 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION" |
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| 317 | message += " OF MATPLOTLIB.\n Get the SVN version that is " |
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| 318 | message += "at least as recent as June 1, 2007" |
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| 319 | owner = self.base.base.parent |
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| 320 | wx.PostEvent(owner, |
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| 321 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
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| 322 | ## Draw a point |
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| 323 | self.center = self.axes.plot([self.x], [self.y], |
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| 324 | linestyle='-', marker='', |
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| 325 | color=self.color, |
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| 326 | visible=True)[0] |
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| 327 | ## Flag to determine the motion this point |
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| 328 | self.has_move = False |
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| 329 | ## connecting the marker to allow them to move |
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| 330 | self.connect_markers([self.center_marker]) |
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| 331 | ## Update the figure |
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| 332 | self.update() |
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| 333 | |
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| 334 | def set_layer(self, n): |
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| 335 | """ |
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| 336 | Allow adding plot to the same panel |
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| 337 | @param n: the number of layer |
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| 338 | """ |
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| 339 | self.layernum = n |
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| 340 | self.update() |
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| 341 | |
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| 342 | def clear(self): |
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| 343 | """ |
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| 344 | Clear this figure and its markers |
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| 345 | """ |
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| 346 | self.clear_markers() |
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| 347 | try: |
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| 348 | self.center.remove() |
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| 349 | self.center_marker.remove() |
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| 350 | except: |
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| 351 | # Old version of matplotlib |
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| 352 | for item in range(len(self.axes.lines)): |
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| 353 | del self.axes.lines[0] |
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| 354 | |
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| 355 | def update(self, center_x=None,center_y=None): |
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| 356 | """ |
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| 357 | Draw the new roughness on the graph. |
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| 358 | """ |
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| 359 | if center_x != None: |
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| 360 | self.x = center_x |
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| 361 | if center_y != None: |
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| 362 | self.y = center_y |
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| 363 | self.center_marker.set(xdata=[self.x], ydata=[self.y]) |
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| 364 | self.center.set(xdata=[self.x], ydata=[self.y]) |
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| 365 | |
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| 366 | def save(self, ev): |
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| 367 | """ |
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| 368 | Remember the roughness for this layer and the next so that we |
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| 369 | can restore on Esc. |
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| 370 | """ |
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| 371 | self.save_x = self.x |
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| 372 | self.save_y = self.y |
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| 373 | self.base.freeze_axes() |
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| 374 | |
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| 375 | def moveend(self, ev): |
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| 376 | """ |
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| 377 | """ |
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| 378 | self.has_move=False |
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| 379 | self.base.moveend(ev) |
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| 380 | |
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| 381 | def restore(self): |
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| 382 | """ |
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| 383 | Restore the roughness for this layer. |
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| 384 | """ |
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| 385 | self.y = self.save_y |
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| 386 | self.x = self.save_x |
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| 387 | |
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| 388 | def move(self, x, y, ev): |
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| 389 | """ |
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| 390 | Process move to a new position, making sure that the move is allowed. |
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| 391 | """ |
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| 392 | self.x = x |
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| 393 | self.y = y |
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| 394 | self.has_move = True |
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| 395 | self.base.base.update() |
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| 396 | |
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| 397 | def set_cursor(self, x, y): |
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| 398 | """ |
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| 399 | """ |
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| 400 | self.move(x, y, None) |
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| 401 | self.update() |
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| 402 | |
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| 403 | class VerticalDoubleLine(_BaseInteractor): |
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| 404 | """ |
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| 405 | Draw 2 vertical lines moving in opposite direction and centered on |
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| 406 | a point (PointInteractor) |
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| 407 | """ |
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| 408 | def __init__(self, base, axes, color='black', zorder=5, x=0.5,y=0.5, |
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| 409 | center_x=0.0, center_y=0.0): |
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| 410 | """ |
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| 411 | """ |
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| 412 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 413 | ## Initialization the class |
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| 414 | self.markers = [] |
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| 415 | self.axes = axes |
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| 416 | ## Center coordinates |
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| 417 | self.center_x = center_x |
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| 418 | self.center_y = center_y |
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| 419 | ## defined end points vertical lignes and their saved values |
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| 420 | self.y1 = y + self.center_y |
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| 421 | self.save_y1= self.y1 |
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| 422 | |
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| 423 | delta = self.y1 - self.center_y |
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| 424 | self.y2 = self.center_y - delta |
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| 425 | self.save_y2 = self.y2 |
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| 426 | |
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| 427 | self.x1 = x + self.center_x |
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| 428 | self.save_x1 = self.x1 |
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| 429 | |
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| 430 | delta = self.x1 - self.center_x |
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| 431 | self.x2 = self.center_x - delta |
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| 432 | self.save_x2 = self.x2 |
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| 433 | ## save the color of the line |
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| 434 | self.color = color |
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| 435 | ## the height of the rectangle |
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| 436 | self.half_height = math.fabs(y) |
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| 437 | self.save_half_height = math.fabs(y) |
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| 438 | ## the with of the rectangle |
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| 439 | self.half_width = math.fabs(self.x1- self.x2)/2 |
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| 440 | self.save_half_width = math.fabs(self.x1- self.x2)/2 |
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| 441 | ## Create marker |
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| 442 | try: |
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| 443 | self.right_marker = self.axes.plot([self.x1],[0], linestyle='', |
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| 444 | marker='s', markersize=10, |
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| 445 | color=self.color, alpha=0.6, |
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| 446 | pickradius=5, label="pick", |
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| 447 | # Prefer this to other lines |
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| 448 | zorder=zorder, visible=True)[0] |
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| 449 | except: |
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| 450 | self.right_marker = self.axes.plot([self.x1],[0], linestyle='', |
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| 451 | marker='s', markersize=10, |
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| 452 | color=self.color, alpha=0.6, |
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| 453 | label="pick", visible=True)[0] |
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| 454 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST " |
|---|
| 455 | message += "VERSION OF MATPLOTLIB\n Get the SVN version that" |
|---|
| 456 | message += " is at least as recent as June 1, 2007" |
|---|
| 457 | owner = self.base.base.parent |
|---|
| 458 | wx.PostEvent(owner, |
|---|
| 459 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
|---|
| 460 | |
|---|
| 461 | ## define the left and right lines of the rectangle |
|---|
| 462 | self.right_line = self.axes.plot([self.x1, self.x1], [self.y1, self.y2], |
|---|
| 463 | linestyle='-', marker='', |
|---|
| 464 | color=self.color, visible=True)[0] |
|---|
| 465 | self.left_line = self.axes.plot([self.x2, self.x2], [self.y1, self.y2], |
|---|
| 466 | linestyle='-', marker='', |
|---|
| 467 | color=self.color, visible=True)[0] |
|---|
| 468 | ## Flag to determine if the lines have moved |
|---|
| 469 | self.has_move = False |
|---|
| 470 | ## connection the marker and draw the pictures |
|---|
| 471 | self.connect_markers([self.right_marker]) |
|---|
| 472 | self.update() |
|---|
| 473 | |
|---|
| 474 | def set_layer(self, n): |
|---|
| 475 | """ |
|---|
| 476 | Allow adding plot to the same panel |
|---|
| 477 | :param n: the number of layer |
|---|
| 478 | """ |
|---|
| 479 | self.layernum = n |
|---|
| 480 | self.update() |
|---|
| 481 | |
|---|
| 482 | def clear(self): |
|---|
| 483 | """ |
|---|
| 484 | Clear this slicer and its markers |
|---|
| 485 | """ |
|---|
| 486 | self.clear_markers() |
|---|
| 487 | try: |
|---|
| 488 | self.right_marker.remove() |
|---|
| 489 | self.right_line.remove() |
|---|
| 490 | self.left_line.remove() |
|---|
| 491 | except: |
|---|
| 492 | # Old version of matplotlib |
|---|
| 493 | for item in range(len(self.axes.lines)): |
|---|
| 494 | del self.axes.lines[0] |
|---|
| 495 | |
|---|
| 496 | def update(self, x1=None, x2=None, y1=None, y2=None,width=None, |
|---|
| 497 | height=None, center=None): |
|---|
| 498 | """ |
|---|
| 499 | Draw the new roughness on the graph. |
|---|
| 500 | :param x1: new maximum value of x coordinates |
|---|
| 501 | :param x2: new minimum value of x coordinates |
|---|
| 502 | :param y1: new maximum value of y coordinates |
|---|
| 503 | :param y2: new minimum value of y coordinates |
|---|
| 504 | :param width: is the width of the new rectangle |
|---|
| 505 | :param height: is the height of the new rectangle |
|---|
| 506 | :param center: provided x, y coordinates of the center point |
|---|
| 507 | """ |
|---|
| 508 | ## save the new height, witdh of the rectangle if given as a param |
|---|
| 509 | if width != None: |
|---|
| 510 | self.half_width = width |
|---|
| 511 | if height != None: |
|---|
| 512 | self.half_height = height |
|---|
| 513 | ## If new center coordinates are given draw the rectangle |
|---|
| 514 | ##given these value |
|---|
| 515 | if center != None: |
|---|
| 516 | self.center_x = center.x |
|---|
| 517 | self.center_y = center.y |
|---|
| 518 | self.x1 = self.half_width + self.center_x |
|---|
| 519 | self.x2= -self.half_width + self.center_x |
|---|
| 520 | self.y1 = self.half_height + self.center_y |
|---|
| 521 | self.y2= -self.half_height + self.center_y |
|---|
| 522 | |
|---|
| 523 | self.right_marker.set(xdata=[self.x1], ydata=[self.center_y]) |
|---|
| 524 | self.right_line.set(xdata=[self.x1, self.x1], |
|---|
| 525 | ydata=[self.y1, self.y2]) |
|---|
| 526 | self.left_line.set(xdata=[self.x2, self.x2], |
|---|
| 527 | ydata=[self.y1, self.y2]) |
|---|
| 528 | return |
|---|
| 529 | ## if x1, y1, y2, y3 are given draw the rectangle with this value |
|---|
| 530 | if x1 != None: |
|---|
| 531 | self.x1 = x1 |
|---|
| 532 | if x2 != None: |
|---|
| 533 | self.x2 = x2 |
|---|
| 534 | if y1 != None: |
|---|
| 535 | self.y1 = y1 |
|---|
| 536 | if y2 != None: |
|---|
| 537 | self.y2 = y2 |
|---|
| 538 | ## Draw 2 vertical lines and a marker |
|---|
| 539 | self.right_marker.set(xdata=[self.x1], ydata=[self.center_y]) |
|---|
| 540 | self.right_line.set(xdata=[self.x1, self.x1], ydata=[self.y1, self.y2]) |
|---|
| 541 | self.left_line.set(xdata=[self.x2, self.x2], ydata=[self.y1, self.y2]) |
|---|
| 542 | |
|---|
| 543 | def save(self, ev): |
|---|
| 544 | """ |
|---|
| 545 | Remember the roughness for this layer and the next so that we |
|---|
| 546 | can restore on Esc. |
|---|
| 547 | """ |
|---|
| 548 | self.save_x2 = self.x2 |
|---|
| 549 | self.save_y2 = self.y2 |
|---|
| 550 | self.save_x1 = self.x1 |
|---|
| 551 | self.save_y1 = self.y1 |
|---|
| 552 | self.save_half_height = self.half_height |
|---|
| 553 | self.save_half_width = self.half_width |
|---|
| 554 | self.base.freeze_axes() |
|---|
| 555 | |
|---|
| 556 | def moveend(self, ev): |
|---|
| 557 | """ |
|---|
| 558 | After a dragging motion reset the flag self.has_move to False |
|---|
| 559 | """ |
|---|
| 560 | self.has_move = False |
|---|
| 561 | self.base.moveend(ev) |
|---|
| 562 | |
|---|
| 563 | def restore(self): |
|---|
| 564 | """ |
|---|
| 565 | Restore the roughness for this layer. |
|---|
| 566 | """ |
|---|
| 567 | self.y2 = self.save_y2 |
|---|
| 568 | self.x2 = self.save_x2 |
|---|
| 569 | self.y1 = self.save_y1 |
|---|
| 570 | self.x1 = self.save_x1 |
|---|
| 571 | self.half_height = self.save_half_height |
|---|
| 572 | self.half_width = self.save_half_width |
|---|
| 573 | |
|---|
| 574 | def move(self, x, y, ev): |
|---|
| 575 | """ |
|---|
| 576 | Process move to a new position, making sure that the move is allowed. |
|---|
| 577 | """ |
|---|
| 578 | self.x1 = x |
|---|
| 579 | delta = self.x1 - self.center_x |
|---|
| 580 | self.x2 = self.center_x - delta |
|---|
| 581 | self.half_width = math.fabs(self.x1 - self.x2)/2 |
|---|
| 582 | self.has_move = True |
|---|
| 583 | self.base.base.update() |
|---|
| 584 | |
|---|
| 585 | def set_cursor(self, x, y): |
|---|
| 586 | """ |
|---|
| 587 | Update the figure given x and y |
|---|
| 588 | """ |
|---|
| 589 | self.move(x, y, None) |
|---|
| 590 | self.update() |
|---|
| 591 | |
|---|
| 592 | class HorizontalDoubleLine(_BaseInteractor): |
|---|
| 593 | """ |
|---|
| 594 | Select an annulus through a 2D plot |
|---|
| 595 | """ |
|---|
| 596 | def __init__(self, base, axes, color='black', zorder=5, x=0.5, y=0.5, |
|---|
| 597 | center_x=0.0, center_y=0.0): |
|---|
| 598 | |
|---|
| 599 | _BaseInteractor.__init__(self, base, axes, color=color) |
|---|
| 600 | ## Initialization the class |
|---|
| 601 | self.markers = [] |
|---|
| 602 | self.axes = axes |
|---|
| 603 | ## Center coordinates |
|---|
| 604 | self.center_x = center_x |
|---|
| 605 | self.center_y = center_y |
|---|
| 606 | self.y1 = y + self.center_y |
|---|
| 607 | self.save_y1 = self.y1 |
|---|
| 608 | delta = self.y1 - self.center_y |
|---|
| 609 | self.y2 = self.center_y - delta |
|---|
| 610 | self.save_y2 = self.y2 |
|---|
| 611 | self.x1 = x + self.center_x |
|---|
| 612 | self.save_x1 = self.x1 |
|---|
| 613 | delta = self.x1 - self.center_x |
|---|
| 614 | self.x2 = self.center_x - delta |
|---|
| 615 | self.save_x2 = self.x2 |
|---|
| 616 | self.color = color |
|---|
| 617 | self.half_height= math.fabs(y) |
|---|
| 618 | self.save_half_height = math.fabs(y) |
|---|
| 619 | self.half_width = math.fabs(x) |
|---|
| 620 | self.save_half_width = math.fabs(x) |
|---|
| 621 | try: |
|---|
| 622 | self.top_marker = self.axes.plot([0], [self.y1], linestyle='', |
|---|
| 623 | marker='s', markersize=10, |
|---|
| 624 | color=self.color, alpha=0.6, |
|---|
| 625 | pickradius=5, label="pick", |
|---|
| 626 | # Prefer this to other lines |
|---|
| 627 | zorder=zorder, visible=True)[0] |
|---|
| 628 | except: |
|---|
| 629 | self.top_marker = self.axes.plot([0], [self.y1], linestyle='', |
|---|
| 630 | marker='s', markersize=10, |
|---|
| 631 | color=self.color, alpha=0.6, |
|---|
| 632 | label="pick", visible=True)[0] |
|---|
| 633 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION " |
|---|
| 634 | message += "OF MATPLOTLIB\n Get the SVN version " |
|---|
| 635 | message += "that is at least as recent as June 1, 2007" |
|---|
| 636 | owner = self.base.base.parent |
|---|
| 637 | wx.PostEvent(owner, |
|---|
| 638 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
|---|
| 639 | |
|---|
| 640 | # Define 2 horizotnal lines |
|---|
| 641 | self.top_line = self.axes.plot([self.x1, -self.x1], [self.y1, self.y1], |
|---|
| 642 | linestyle='-', marker='', |
|---|
| 643 | color=self.color, visible=True)[0] |
|---|
| 644 | self.bottom_line = self.axes.plot([self.x1, -self.x1], |
|---|
| 645 | [self.y2, self.y2], |
|---|
| 646 | linestyle='-', marker='', |
|---|
| 647 | color=self.color, visible=True)[0] |
|---|
| 648 | ## Flag to determine if the lines have moved |
|---|
| 649 | self.has_move = False |
|---|
| 650 | ## connection the marker and draw the pictures |
|---|
| 651 | self.connect_markers([self.top_marker]) |
|---|
| 652 | self.update() |
|---|
| 653 | |
|---|
| 654 | def set_layer(self, n): |
|---|
| 655 | """ |
|---|
| 656 | Allow adding plot to the same panel |
|---|
| 657 | @param n: the number of layer |
|---|
| 658 | """ |
|---|
| 659 | self.layernum = n |
|---|
| 660 | self.update() |
|---|
| 661 | |
|---|
| 662 | def clear(self): |
|---|
| 663 | """ |
|---|
| 664 | Clear this figure and its markers |
|---|
| 665 | """ |
|---|
| 666 | self.clear_markers() |
|---|
| 667 | try: |
|---|
| 668 | self.top_marker.remove() |
|---|
| 669 | self.bottom_line.remove() |
|---|
| 670 | self.top_line.remove() |
|---|
| 671 | except: |
|---|
| 672 | # Old version of matplotlib |
|---|
| 673 | for item in range(len(self.axes.lines)): |
|---|
| 674 | del self.axes.lines[0] |
|---|
| 675 | |
|---|
| 676 | def update(self, x1=None, x2=None, y1=None, y2=None, |
|---|
| 677 | width=None, height=None, center=None): |
|---|
| 678 | """ |
|---|
| 679 | Draw the new roughness on the graph. |
|---|
| 680 | :param x1: new maximum value of x coordinates |
|---|
| 681 | :param x2: new minimum value of x coordinates |
|---|
| 682 | :param y1: new maximum value of y coordinates |
|---|
| 683 | :param y2: new minimum value of y coordinates |
|---|
| 684 | :param width: is the width of the new rectangle |
|---|
| 685 | :param height: is the height of the new rectangle |
|---|
| 686 | :param center: provided x, y coordinates of the center point |
|---|
| 687 | """ |
|---|
| 688 | ## save the new height, witdh of the rectangle if given as a param |
|---|
| 689 | if width != None: |
|---|
| 690 | self.half_width = width |
|---|
| 691 | if height!= None: |
|---|
| 692 | self.half_height = height |
|---|
| 693 | ## If new center coordinates are given draw the rectangle |
|---|
| 694 | ##given these value |
|---|
| 695 | if center != None: |
|---|
| 696 | self.center_x = center.x |
|---|
| 697 | self.center_y = center.y |
|---|
| 698 | self.x1 = self.half_width + self.center_x |
|---|
| 699 | self.x2 = -self.half_width + self.center_x |
|---|
| 700 | |
|---|
| 701 | self.y1 = self.half_height + self.center_y |
|---|
| 702 | self.y2 = -self.half_height + self.center_y |
|---|
| 703 | |
|---|
| 704 | self.top_marker.set(xdata=[self.center_x], ydata=[self.y1]) |
|---|
| 705 | self.top_line.set(xdata=[self.x1, self.x2], |
|---|
| 706 | ydata=[self.y1, self.y1]) |
|---|
| 707 | self.bottom_line.set(xdata=[self.x1, self.x2], |
|---|
| 708 | ydata=[self.y2, self.y2]) |
|---|
| 709 | return |
|---|
| 710 | ## if x1, y1, y2, y3 are given draw the rectangle with this value |
|---|
| 711 | if x1 != None: |
|---|
| 712 | self.x1 = x1 |
|---|
| 713 | if x2 != None: |
|---|
| 714 | self.x2 = x2 |
|---|
| 715 | if y1 != None: |
|---|
| 716 | self.y1 = y1 |
|---|
| 717 | if y2 != None: |
|---|
| 718 | self.y2 = y2 |
|---|
| 719 | ## Draw 2 vertical lines and a marker |
|---|
| 720 | self.top_marker.set(xdata=[self.center_x], ydata=[self.y1]) |
|---|
| 721 | self.top_line.set(xdata=[self.x1, self.x2], ydata=[self.y1, self.y1]) |
|---|
| 722 | self.bottom_line.set(xdata=[self.x1, self.x2], ydata=[self.y2, self.y2]) |
|---|
| 723 | |
|---|
| 724 | def save(self, ev): |
|---|
| 725 | """ |
|---|
| 726 | Remember the roughness for this layer and the next so that we |
|---|
| 727 | can restore on Esc. |
|---|
| 728 | """ |
|---|
| 729 | self.save_x2 = self.x2 |
|---|
| 730 | self.save_y2 = self.y2 |
|---|
| 731 | self.save_x1 = self.x1 |
|---|
| 732 | self.save_y1 = self.y1 |
|---|
| 733 | self.save_half_height = self.half_height |
|---|
| 734 | self.save_half_width = self.half_width |
|---|
| 735 | self.base.freeze_axes() |
|---|
| 736 | |
|---|
| 737 | def moveend(self, ev): |
|---|
| 738 | """ |
|---|
| 739 | After a dragging motion reset the flag self.has_move to False |
|---|
| 740 | """ |
|---|
| 741 | self.has_move = False |
|---|
| 742 | self.base.moveend(ev) |
|---|
| 743 | |
|---|
| 744 | def restore(self): |
|---|
| 745 | """ |
|---|
| 746 | Restore the roughness for this layer. |
|---|
| 747 | """ |
|---|
| 748 | self.y2 = self.save_y2 |
|---|
| 749 | self.x2 = self.save_x2 |
|---|
| 750 | self.y1 = self.save_y1 |
|---|
| 751 | self.x1 = self.save_x1 |
|---|
| 752 | self.half_height = self.save_half_height |
|---|
| 753 | self.half_width = self.save_half_width |
|---|
| 754 | |
|---|
| 755 | def move(self, x, y, ev): |
|---|
| 756 | """ |
|---|
| 757 | Process move to a new position, making sure that the move is allowed. |
|---|
| 758 | """ |
|---|
| 759 | self.y1 = y |
|---|
| 760 | delta = self.y1 - self.center_y |
|---|
| 761 | self.y2 = self.center_y - delta |
|---|
| 762 | self.half_height = math.fabs(self.y1) - self.center_y |
|---|
| 763 | self.has_move = True |
|---|
| 764 | self.base.base.update() |
|---|
| 765 | |
|---|
| 766 | def set_cursor(self, x, y): |
|---|
| 767 | """ |
|---|
| 768 | Update the figure given x and y |
|---|
| 769 | """ |
|---|
| 770 | self.move(x, y, None) |
|---|
| 771 | self.update() |
|---|
| 772 | |
|---|
