| 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 BoxInteractor(_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, x_min=0.0025, x_max=0.0025, y_min=0.0025, y_max=0.0025): |
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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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| 28 | self.qmax = self.base.qmax |
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| 29 | self.connect = self.base.connect |
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| 30 | self.xmin= -1* x_min |
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| 31 | self.ymin= -1* y_min |
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| 32 | self.xmax= x_max |
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| 33 | self.ymax= y_max |
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| 34 | |
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| 35 | self.theta2= math.pi/2 |
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| 36 | ## Number of points on the plot |
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| 37 | self.nbins = 20 |
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| 38 | self.count=0 |
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| 39 | self.error=0 |
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| 40 | self.main_line = LineInteractor(self, self.base.subplot,color='orange', zorder=zorder, r=self.qmax, |
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| 41 | theta= self.theta2) |
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| 42 | self.main_line.qmax = self.base.qmax |
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| 43 | |
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| 44 | self.left_line = VerticalLine(self, self.base.subplot,color='blue', zorder=zorder, |
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| 45 | ymin= self.ymin, ymax= self.ymax, |
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| 46 | x= self.xmin, |
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| 47 | theta2= self.theta2) |
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| 48 | self.left_line.qmax = self.base.qmax |
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| 49 | |
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| 50 | self.right_line= VerticalLine(self, self.base.subplot,color='black', zorder=zorder, |
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| 51 | ymin= self.ymin, ymax= self.ymax, |
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| 52 | x=self.xmax, |
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| 53 | theta2= self.theta2) |
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| 54 | self.right_line.qmax = self.base.qmax |
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| 55 | |
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| 56 | self.top_line= HorizontalLine(self, self.base.subplot,color='green', zorder=zorder, |
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| 57 | y= self.ymax, |
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| 58 | xmin= self.xmin, xmax= self.xmax, |
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| 59 | theta2= self.theta2) |
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| 60 | self.top_line.qmax = self.base.qmax |
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| 61 | |
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| 62 | self.bottom_line= HorizontalLine(self, self.base.subplot,color='red', zorder=zorder, |
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| 63 | y =self.ymin, |
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| 64 | xmin= self.xmin, xmax= self.xmax, |
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| 65 | theta2= self.theta2) |
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| 66 | self.bottom_line.qmax = self.base.qmax |
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| 67 | #self.outer_circle.set_cursor(self.base.qmax/1.8, 0) |
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| 68 | |
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| 69 | |
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| 70 | self.update() |
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| 71 | #self._post_data() |
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| 72 | |
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| 73 | # Bind to slice parameter events |
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| 74 | self.base.parent.Bind(SlicerParameters.EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 75 | |
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| 76 | |
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| 77 | def _onEVT_SLICER_PARS(self, event): |
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| 78 | #printEVT("AnnulusSlicer._onEVT_SLICER_PARS") |
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| 79 | event.Skip() |
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| 80 | if event.type == self.__class__.__name__: |
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| 81 | #self.set_params(event.params) |
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| 82 | self.base.update() |
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| 83 | |
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| 84 | def update_and_post(self): |
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| 85 | self.update() |
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| 86 | self._post_data() |
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| 87 | |
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| 88 | def save_data(self, path, image, x, y): |
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| 89 | output = open(path, 'w') |
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| 90 | |
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| 91 | data_x, data_y = self.get_data(image, x, y) |
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| 92 | |
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| 93 | output.write("<phi> <average>\n") |
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| 94 | for i in range(len(data_x)): |
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| 95 | output.write("%g %g\n" % (data_x[i], data_y[i])) |
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| 96 | output.close() |
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| 97 | |
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| 98 | def set_layer(self, n): |
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| 99 | self.layernum = n |
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| 100 | self.update() |
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| 101 | |
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| 102 | def clear(self): |
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| 103 | self.clear_markers() |
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| 104 | self.left_line.clear() |
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| 105 | self.right_line.clear() |
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| 106 | self.top_line.clear() |
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| 107 | self.bottom_line.clear() |
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| 108 | self.main_line.clear() |
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| 109 | #self.base.connect.disconnect() |
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| 110 | self.base.parent.Unbind(SlicerParameters.EVT_SLICER_PARS) |
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| 111 | |
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| 112 | def update(self): |
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| 113 | """ |
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| 114 | Respond to changes in the model by recalculating the profiles and |
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| 115 | resetting the widgets. |
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| 116 | """ |
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| 117 | |
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| 118 | if self.main_line.has_move: |
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| 119 | print "main has move" |
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| 120 | self.main_line.update() |
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| 121 | self.left_line.update(mline= self.main_line) |
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| 122 | self.right_line.update(mline= self.main_line) |
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| 123 | self.top_line.update(mline= self.main_line) |
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| 124 | self.bottom_line.update(mline= self.main_line) |
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| 125 | |
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| 126 | if self.left_line.has_move: |
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| 127 | print "left has moved" |
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| 128 | self.left_line.update() |
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| 129 | self.right_line.update() |
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| 130 | #self.right_line.update(xmin= self.left_line.x ,xmax=-1*self.left_line.x) |
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| 131 | self.top_line.update( xmin= self.left_line.x ,xmax= self.right_line.x) |
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| 132 | self.bottom_line.update(xmin= self.left_line.x ,xmax= self.right_line.x) |
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| 133 | if self.right_line.has_move: |
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| 134 | print "right has moved" |
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| 135 | self.right_line.update() |
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| 136 | self.left_line.update() |
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| 137 | #self.left_line.update(xmin= self.right_line.x ,xmax=-1*self.right_line.x) |
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| 138 | self.top_line.update( xmin= self.left_line.x ,xmax= self.right_line.x) |
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| 139 | self.bottom_line.update(xmin= self.left_line.x ,xmax= self.right_line.x) |
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| 140 | |
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| 141 | |
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| 142 | if self.bottom_line.has_move: |
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| 143 | print "bottom has moved" |
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| 144 | self.bottom_line.update() |
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| 145 | self.top_line.update(y= -1*self.top_line.y) |
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| 146 | self.left_line.update( ymin= self.bottom_line.y ,ymax= self.top_line.y) |
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| 147 | self.right_line.update(ymin= self.bottom_line.y ,ymax= self.top_line.y) |
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| 148 | |
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| 149 | if self.top_line.has_move: |
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| 150 | print "top has moved" |
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| 151 | self.top_line.update() |
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| 152 | #self.bottom_line.update()xmin=None, xmax=None,y=None, mline=None): |
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| 153 | self.bottom_line.update(y= -1*self.top_line.y ) |
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| 154 | self.left_line.update(ymin= self.bottom_line.y ,ymax= self.top_line.y) |
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| 155 | self.right_line.update(ymin= self.bottom_line.y ,ymax= self.top_line.y) |
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| 156 | |
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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.inner_circle.save(ev) |
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| 165 | self.outer_circle.save(ev) |
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| 166 | |
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| 167 | def _post_data(self): |
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| 168 | # Compute data |
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| 169 | data = self.base.data2D |
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| 170 | from DataLoader.manipulations import Boxavg |
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| 171 | radius = math.sqrt(math.pow(self.qmax,2)+math.pow(self.qmax,2)) |
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| 172 | x_min= self.left_line.x |
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| 173 | x_max= self.right_line.x |
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| 174 | y_min= self.bottom_line.y |
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| 175 | y_max= self.top_line.y |
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| 176 | box = Boxavg (x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max) |
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| 177 | |
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| 178 | self.count, self.error= box(self.base.data2D) |
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| 179 | |
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| 180 | |
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| 181 | |
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| 182 | |
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| 183 | def moveend(self, ev): |
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| 184 | self.base.thaw_axes() |
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| 185 | |
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| 186 | # Post paramters |
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| 187 | event = SlicerParameters.SlicerParameterEvent() |
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| 188 | event.type = self.__class__.__name__ |
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| 189 | #event.params = self.get_params() |
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| 190 | wx.PostEvent(self.base.parent, event) |
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| 191 | |
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| 192 | self._post_data() |
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| 193 | |
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| 194 | def restore(self): |
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| 195 | """ |
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| 196 | Restore the roughness for this layer. |
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| 197 | """ |
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| 198 | self.inner_circle.restore() |
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| 199 | self.outer_circle.restore() |
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| 200 | |
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| 201 | def move(self, x, y, ev): |
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| 202 | """ |
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| 203 | Process move to a new position, making sure that the move is allowed. |
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| 204 | """ |
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| 205 | pass |
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| 206 | |
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| 207 | def set_cursor(self, x, y): |
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| 208 | pass |
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| 209 | |
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| 210 | def get_params(self): |
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| 211 | params = {} |
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| 212 | params["x_min"] = self.left_line.x |
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| 213 | params["x_max"] = self.right_line.x |
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| 214 | params["y_min"] = self.bottom_line.y |
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| 215 | params["y_max"] = self.top_line.y |
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| 216 | params["count"] = self.count |
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| 217 | params["error"] = self.error |
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| 218 | params["phi"] = self.main_line.theta |
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| 219 | return params |
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| 220 | |
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| 221 | def set_params(self, params): |
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| 222 | |
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| 223 | x_min = params["x_min"] |
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| 224 | x_max = params["x_max"] |
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| 225 | y_min = params["y_min"] |
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| 226 | y_max = params["y_max"] |
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| 227 | theta = params["theta"] |
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| 228 | |
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| 229 | self.left_line.update(ymin= y_min ,ymax= y_max) |
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| 230 | self.right_line.update(ymin= y_min ,ymax= y_max) |
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| 231 | self.top_line.update( xmin= x_min ,xmax= xmax) |
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| 232 | self.bottom_line.update(xmin= xmin ,xmax= xmax) |
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| 233 | self.main_line.update(theta) |
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| 234 | |
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| 235 | self._post_data() |
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| 236 | def freeze_axes(self): |
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| 237 | self.base.freeze_axes() |
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| 238 | |
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| 239 | def thaw_axes(self): |
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| 240 | self.base.thaw_axes() |
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| 241 | |
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| 242 | def draw(self): |
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| 243 | self.base.draw() |
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| 244 | |
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| 245 | class HorizontalLine(_BaseInteractor): |
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| 246 | """ |
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| 247 | Select an annulus through a 2D plot |
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| 248 | """ |
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| 249 | def __init__(self,base,axes,color='black', zorder=5, y=0.5, |
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| 250 | xmin=0.0,xmax=0.5, |
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| 251 | theta2= math.pi/3 ): |
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| 252 | |
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| 253 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 254 | self.markers = [] |
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| 255 | self.axes = axes |
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| 256 | |
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| 257 | self.y=y |
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| 258 | self.save_y=y |
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| 259 | |
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| 260 | self.xmin=xmin |
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| 261 | self.save_xmin=xmin |
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| 262 | self.xmax=xmax |
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| 263 | self.save_xmax=xmax |
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| 264 | self.theta2= theta2 |
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| 265 | self.radius1= math.sqrt(math.pow(self.xmin, 2)+ math.pow(self.y, 2)) |
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| 266 | self.radius2= math.sqrt(math.pow(self.xmax, 2)+ math.pow(self.y, 2)) |
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| 267 | |
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| 268 | |
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| 269 | #print "phi and theta2", math.degrees(math.atan2(self.y, self.xmax)) |
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| 270 | |
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| 271 | self.theta_right= math.atan2(self.y,self.xmin) |
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| 272 | self.theta_left= math.atan2(self.y,self.xmax) |
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| 273 | |
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| 274 | self.phi_left= self.theta_left - self.theta2 |
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| 275 | self.phi_right= self.theta_right - self.theta2 |
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| 276 | #print "phi left right", math.degrees(self.phi_left),math.degrees(self.phi_right) |
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| 277 | print "theta left right ", math.degrees(self.theta_left),math.degrees(self.theta_right) |
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| 278 | |
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| 279 | self.line = self.axes.plot([self.xmin,self.xmax],[self.y,self.y], |
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| 280 | linestyle='-', marker='', |
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| 281 | color=self.color, |
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| 282 | visible=True)[0] |
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| 283 | |
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| 284 | |
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| 285 | self.npts = 20 |
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| 286 | self.has_move=False |
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| 287 | self.connect_markers([self.line]) |
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| 288 | self.update() |
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| 289 | |
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| 290 | def set_layer(self, n): |
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| 291 | self.layernum = n |
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| 292 | self.update() |
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| 293 | |
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| 294 | def clear(self): |
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| 295 | self.clear_markers() |
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| 296 | try: |
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| 297 | |
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| 298 | self.line.remove() |
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| 299 | except: |
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| 300 | # Old version of matplotlib |
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| 301 | for item in range(len(self.axes.lines)): |
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| 302 | del self.axes.lines[0] |
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| 303 | |
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| 304 | def get_radius(self): |
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| 305 | |
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| 306 | return 0 |
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| 307 | |
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| 308 | def update(self,xmin=None, xmax=None,y=None, mline=None): |
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| 309 | """ |
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| 310 | Draw the new roughness on the graph. |
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| 311 | """ |
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| 312 | #print "update main line", self.has_move |
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| 313 | if xmin !=None: |
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| 314 | self.xmin=xmin |
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| 315 | if xmax !=None: |
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| 316 | self.xmax=xmax |
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| 317 | if y !=None: |
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| 318 | self.y = y |
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| 319 | if mline !=None: |
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| 320 | self.theta2= mline.theta |
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| 321 | delta = mline.get_delta_angle() |
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| 322 | # rotation |
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| 323 | x1 = self.radius1 * math.cos(self.phi_left + delta) |
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| 324 | y1= self.radius1 * math.sin(self.phi_left + delta) |
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| 325 | |
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| 326 | x2= -1*self.radius2 * math.cos( self.phi_right + delta) |
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| 327 | y2= -1*self.radius2 * math.sin(self.phi_right + delta) |
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| 328 | |
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| 329 | self.line.set(xdata=[x1,x2], ydata=[y1,y2]) |
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| 330 | print "Horizontal: update ",math.degrees(self.phi_left +delta),math.degrees(self.phi_right+delta) |
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| 331 | print x1,x2,y1,y2 |
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| 332 | |
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| 333 | else: |
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| 334 | self.line.set(xdata=[self.xmin,self.xmax], ydata=[self.y,self.y]) |
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| 335 | |
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| 336 | |
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| 337 | |
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| 338 | def save(self, ev): |
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| 339 | """ |
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| 340 | Remember the roughness for this layer and the next so that we |
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| 341 | can restore on Esc. |
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| 342 | """ |
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| 343 | self.save_xmin= self.xmin |
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| 344 | self.save_xmax= self.xmax |
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| 345 | |
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| 346 | self.save_y= self.y |
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| 347 | self.base.freeze_axes() |
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| 348 | |
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| 349 | def moveend(self, ev): |
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| 350 | |
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| 351 | self.has_move=False |
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| 352 | self.base.moveend(ev) |
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| 353 | |
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| 354 | def restore(self): |
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| 355 | """ |
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| 356 | Restore the roughness for this layer. |
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| 357 | """ |
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| 358 | self.ymin = self.save_ymin |
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| 359 | self.ymax = self.save_ymax |
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| 360 | |
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| 361 | def move(self, x, y, ev): |
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| 362 | """ |
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| 363 | Process move to a new position, making sure that the move is allowed. |
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| 364 | """ |
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| 365 | self.y=y |
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| 366 | |
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| 367 | |
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| 368 | self.has_move=True |
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| 369 | self.base.base.update() |
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| 370 | |
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| 371 | def set_cursor(self, x, y): |
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| 372 | self.move(x, y, None) |
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| 373 | self.update() |
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| 374 | |
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| 375 | |
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| 376 | def get_params(self): |
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| 377 | params = {} |
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| 378 | params["radius"] = self.xmin |
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| 379 | params["theta"] = self.xmax |
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| 380 | return params |
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| 381 | |
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| 382 | def set_params(self, params): |
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| 383 | |
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| 384 | x = params["radius"] |
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| 385 | self.set_cursor(x, self._inner_mouse_y) |
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| 386 | |
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| 387 | |
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| 388 | |
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| 389 | |
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| 390 | class VerticalLine(_BaseInteractor): |
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| 391 | """ |
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| 392 | Select an annulus through a 2D plot |
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| 393 | """ |
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| 394 | def __init__(self,base,axes,color='black', zorder=5, ymin=0.0, |
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| 395 | ymax=0.5,x= 0.5, |
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| 396 | theta2= math.pi/3 ): |
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| 397 | |
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| 398 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 399 | self.markers = [] |
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| 400 | self.axes = axes |
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| 401 | # x coordinate of the vertical line |
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| 402 | self.x = x |
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| 403 | self.save_x = x |
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| 404 | # minimum value of y coordinate of the vertical line |
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| 405 | self.ymin = ymin |
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| 406 | self.save_ymin = ymin |
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| 407 | # maximum value of y coordinate of the vertical line |
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| 408 | self.ymax=ymax |
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| 409 | self.save_ymax=ymax |
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| 410 | #insure rotation |
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| 411 | self.radius1= math.sqrt(math.pow(self.x, 2)+ math.pow(self.ymin, 2)) |
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| 412 | self.radius2= math.sqrt(math.pow(self.x, 2)+ math.pow(self.ymax, 2)) |
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| 413 | |
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| 414 | |
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| 415 | self.theta_down = math.atan2(self.ymin, self.x) |
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| 416 | self.theta_up = math.atan2(self.ymax, self.x) |
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| 417 | self.theta2= theta2 |
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| 418 | |
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| 419 | self.phi_down= self.theta_down - self.theta2 |
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| 420 | self.phi_up= self.theta_up - self.theta2 |
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| 421 | print "phi up down", math.degrees(self.phi_up),math.degrees(self.phi_down) |
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| 422 | print "theta up down ", math.degrees(self.theta_up),math.degrees(self.theta_down) |
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| 423 | # Draw vertical line |
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| 424 | self.line = self.axes.plot([self.x,self.x],[self.ymin,self.ymax], |
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| 425 | linestyle='-', marker='', |
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| 426 | color=self.color, |
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| 427 | visible=True)[0] |
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| 428 | |
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| 429 | self.npts = 20 |
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| 430 | # Check vertical line motion |
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| 431 | self.has_move=False |
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| 432 | self.connect_markers([self.line]) |
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| 433 | self.update() |
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| 434 | |
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| 435 | def set_layer(self, n): |
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| 436 | self.layernum = n |
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| 437 | self.update() |
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| 438 | |
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| 439 | def clear(self): |
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| 440 | self.clear_markers() |
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| 441 | try: |
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| 442 | |
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| 443 | self.line.remove() |
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| 444 | except: |
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| 445 | # Old version of matplotlib |
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| 446 | for item in range(len(self.axes.lines)): |
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| 447 | del self.axes.lines[0] |
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| 448 | |
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| 449 | def get_radius(self): |
|---|
| 450 | return 0 |
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| 451 | |
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| 452 | def update(self,x=None,ymin=None, ymax=None, mline=None): |
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| 453 | """ |
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| 454 | Draw the new roughness on the graph. |
|---|
| 455 | """ |
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| 456 | if x!=None: |
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| 457 | self.x = x |
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| 458 | if ymin !=None: |
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| 459 | self.ymin = ymin |
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| 460 | if ymax !=None: |
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| 461 | self.ymax = ymax |
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| 462 | if mline !=None: |
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| 463 | self.theta2= mline.theta |
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| 464 | delta = mline.get_delta_angle() |
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| 465 | # rotation |
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| 466 | x1 = self.radius1 * math.cos(self.phi_down + delta) |
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| 467 | y1= self.radius1 * math.sin(self.phi_down + delta) |
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| 468 | |
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| 469 | x2= -1*self.radius2 * math.cos( self.phi_up + delta) |
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| 470 | y2= -1*self.radius2 * math.sin(self.phi_up + delta) |
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| 471 | |
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| 472 | self.line.set(xdata=[x1,x2], ydata=[y1,y2]) |
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| 473 | |
|---|
| 474 | else: |
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| 475 | self.line.set(xdata=[self.x,self.x], ydata=[self.ymin,self.ymax]) |
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| 476 | |
|---|
| 477 | |
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| 478 | |
|---|
| 479 | def save(self, ev): |
|---|
| 480 | """ |
|---|
| 481 | Remember the roughness for this layer and the next so that we |
|---|
| 482 | can restore on Esc. |
|---|
| 483 | """ |
|---|
| 484 | self.save_x= self.x |
|---|
| 485 | self.save_ymin= self.ymin |
|---|
| 486 | self.save_ymax= self.ymax |
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| 487 | |
|---|
| 488 | self.base.freeze_axes() |
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| 489 | |
|---|
| 490 | def moveend(self, ev): |
|---|
| 491 | |
|---|
| 492 | self.has_move=False |
|---|
| 493 | self.base.moveend(ev) |
|---|
| 494 | |
|---|
| 495 | def restore(self): |
|---|
| 496 | """ |
|---|
| 497 | Restore the roughness for this layer. |
|---|
| 498 | """ |
|---|
| 499 | self.x = self.save_x |
|---|
| 500 | |
|---|
| 501 | self.ymin=self.save_ymin |
|---|
| 502 | self.ymax=self.save_ymax |
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| 503 | def move(self, x, y, ev): |
|---|
| 504 | """ |
|---|
| 505 | Process move to a new position, making sure that the move is allowed. |
|---|
| 506 | """ |
|---|
| 507 | self.x = x |
|---|
| 508 | self.has_move=True |
|---|
| 509 | self.base.base.update() |
|---|
| 510 | |
|---|
| 511 | |
|---|
| 512 | def set_cursor(self, x, y): |
|---|
| 513 | self.move(x, y, None) |
|---|
| 514 | self.update() |
|---|
| 515 | |
|---|
| 516 | |
|---|
| 517 | def get_params(self): |
|---|
| 518 | params = {} |
|---|
| 519 | params["x"] = self.xmin |
|---|
| 520 | params["ymin"] = self.ymin |
|---|
| 521 | params["ymax"] = self.ymax |
|---|
| 522 | return params |
|---|
| 523 | |
|---|
| 524 | def set_params(self, params): |
|---|
| 525 | """ |
|---|
| 526 | Draw a vertical line given some value of params |
|---|
| 527 | @param params: a dictionary containing value for x, ymin , ymax to draw |
|---|
| 528 | a vertical line |
|---|
| 529 | """ |
|---|
| 530 | x = params["x"] |
|---|
| 531 | ymin = params["ymin"] |
|---|
| 532 | ymax = params["ymax"] |
|---|
| 533 | #self.set_cursor(x, self._inner_mouse_y) |
|---|
| 534 | self.update(self,x =x,ymin =ymin, ymax =ymax) |
|---|
| 535 | |
|---|
| 536 | |
|---|
| 537 | |
|---|
| 538 | class LineInteractor(_BaseInteractor): |
|---|
| 539 | """ |
|---|
| 540 | Select an annulus through a 2D plot |
|---|
| 541 | """ |
|---|
| 542 | def __init__(self,base,axes,color='black', zorder=5, r=1.0,theta=math.pi/4): |
|---|
| 543 | |
|---|
| 544 | _BaseInteractor.__init__(self, base, axes, color=color) |
|---|
| 545 | self.markers = [] |
|---|
| 546 | self.axes = axes |
|---|
| 547 | |
|---|
| 548 | self.save_theta = theta |
|---|
| 549 | self.theta= theta |
|---|
| 550 | |
|---|
| 551 | self.radius = r |
|---|
| 552 | |
|---|
| 553 | self.scale = 10.0 |
|---|
| 554 | |
|---|
| 555 | # Inner circle |
|---|
| 556 | x1= self.radius*math.cos(self.theta) |
|---|
| 557 | y1= self.radius*math.sin(self.theta) |
|---|
| 558 | x2= -1*self.radius*math.cos(self.theta) |
|---|
| 559 | y2= -1*self.radius*math.sin(self.theta) |
|---|
| 560 | |
|---|
| 561 | self.line = self.axes.plot([x1,x2],[y1,y2], |
|---|
| 562 | linestyle='-', marker='', |
|---|
| 563 | color=self.color, |
|---|
| 564 | visible=True)[0] |
|---|
| 565 | |
|---|
| 566 | self.npts = 20 |
|---|
| 567 | self.has_move=False |
|---|
| 568 | self.connect_markers([self.line]) |
|---|
| 569 | self.update() |
|---|
| 570 | |
|---|
| 571 | def set_layer(self, n): |
|---|
| 572 | |
|---|
| 573 | self.layernum = n |
|---|
| 574 | self.update() |
|---|
| 575 | |
|---|
| 576 | def clear(self): |
|---|
| 577 | """ |
|---|
| 578 | Remove the line of the plot |
|---|
| 579 | """ |
|---|
| 580 | self.clear_markers() |
|---|
| 581 | try: |
|---|
| 582 | self.line.remove() |
|---|
| 583 | except: |
|---|
| 584 | # Old version of matplotlib |
|---|
| 585 | for item in range(len(self.axes.lines)): |
|---|
| 586 | del self.axes.lines[0] |
|---|
| 587 | |
|---|
| 588 | |
|---|
| 589 | |
|---|
| 590 | def get_delta_angle(self): |
|---|
| 591 | """ |
|---|
| 592 | return difference between initial angle and the final angle during |
|---|
| 593 | rotation |
|---|
| 594 | """ |
|---|
| 595 | return self.theta - self.save_theta |
|---|
| 596 | |
|---|
| 597 | def update(self, theta=None,radius=None): |
|---|
| 598 | """ |
|---|
| 599 | Draw a line given and angle relative to the x-axis and a radius |
|---|
| 600 | @param theta: the angle realtive to the x-axis |
|---|
| 601 | @param radius: the distance between the center and one end of the line |
|---|
| 602 | """ |
|---|
| 603 | |
|---|
| 604 | if theta !=None: |
|---|
| 605 | self.theta= theta |
|---|
| 606 | if radius !=None: |
|---|
| 607 | self.radius =radius |
|---|
| 608 | print "update main line", math.degrees(self.theta) |
|---|
| 609 | x1= self.radius*math.cos(self.theta) |
|---|
| 610 | y1= self.radius*math.sin(self.theta) |
|---|
| 611 | x2= -1*self.radius*math.cos(self.theta) |
|---|
| 612 | y2= -1*self.radius*math.sin(self.theta) |
|---|
| 613 | |
|---|
| 614 | self.line.set(xdata=[x1,x2], ydata=[y1,y2]) |
|---|
| 615 | |
|---|
| 616 | |
|---|
| 617 | |
|---|
| 618 | def save(self, ev): |
|---|
| 619 | """ |
|---|
| 620 | Remember the roughness for this layer and the next so that we |
|---|
| 621 | can restore on Esc. |
|---|
| 622 | """ |
|---|
| 623 | self.save_theta= self.theta |
|---|
| 624 | self.base.freeze_axes() |
|---|
| 625 | |
|---|
| 626 | def moveend(self, ev): |
|---|
| 627 | |
|---|
| 628 | self.has_move=False |
|---|
| 629 | self.base.moveend(ev) |
|---|
| 630 | |
|---|
| 631 | def restore(self): |
|---|
| 632 | """ |
|---|
| 633 | Restore the roughness for this layer. |
|---|
| 634 | """ |
|---|
| 635 | self.theta = self.save_theta |
|---|
| 636 | |
|---|
| 637 | def move(self, x, y, ev): |
|---|
| 638 | """ |
|---|
| 639 | Process move to a new position, making sure that the move is allowed. |
|---|
| 640 | """ |
|---|
| 641 | self.theta= math.atan2(y,x) |
|---|
| 642 | #print "main_line previous theta --- next theta ",math.degrees(self.save_theta),math.degrees(self.theta) |
|---|
| 643 | self.has_move=True |
|---|
| 644 | self.base.base.update() |
|---|
| 645 | |
|---|
| 646 | |
|---|
| 647 | def set_cursor(self, x, y): |
|---|
| 648 | |
|---|
| 649 | self.move(x, y, None) |
|---|
| 650 | self.update() |
|---|
| 651 | |
|---|
| 652 | |
|---|
| 653 | def get_params(self): |
|---|
| 654 | """ |
|---|
| 655 | return params a dictionary containing values of paramters necessary to draw |
|---|
| 656 | this line |
|---|
| 657 | """ |
|---|
| 658 | params = {} |
|---|
| 659 | params["radius"] = self.radius |
|---|
| 660 | params["theta"] = self.theta |
|---|
| 661 | return params |
|---|
| 662 | |
|---|
| 663 | def set_params(self, params): |
|---|
| 664 | """ |
|---|
| 665 | Draw the line given value contains by params |
|---|
| 666 | @param params: dictionary containing name of parameters and their values |
|---|
| 667 | """ |
|---|
| 668 | radius = params["radius"] |
|---|
| 669 | theta = params["theta"] |
|---|
| 670 | self.update(x, theta= theta , radius = radius ) |
|---|
| 671 | |
|---|
| 672 | |
|---|
| 673 | |
|---|
| 674 | |
|---|
| 675 | |
|---|
