1 | #from config import printEVT |
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2 | from BaseInteractor import _BaseInteractor |
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3 | from copy import deepcopy |
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4 | import math |
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5 | |
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6 | #from Plotter1D import AddPlotEvent |
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7 | import SlicerParameters |
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8 | import wx |
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9 | #import radii |
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10 | #(FunctionRadiusEvent, EVT_FUNC_RAD) = wx.lib.newevent.NewEvent() |
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11 | class ArcInteractor(_BaseInteractor): |
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12 | """ |
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13 | Select an annulus through a 2D plot |
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14 | """ |
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15 | def __init__(self,base,axes,color='black', zorder=5, r=1.0,theta1=math.pi/8, |
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16 | theta2=math.pi/4): |
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17 | |
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18 | _BaseInteractor.__init__(self, base, axes, color=color) |
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19 | self.markers = [] |
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20 | self.axes = axes |
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21 | self._inner_mouse_x = r |
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22 | self._inner_mouse_y = 0 |
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23 | |
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24 | self._inner_save_x = r |
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25 | self._inner_save_y = 0 |
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26 | |
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27 | self.scale = 10.0 |
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28 | |
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29 | self.theta1=theta1 |
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30 | self.theta2=theta2 |
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31 | |
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32 | [self.inner_circle] = self.axes.plot([],[], |
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33 | linestyle='-', marker='', |
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34 | color=self.color) |
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35 | self.npts = 20 |
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36 | |
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37 | self.connect_markers([self.inner_circle]) |
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38 | self.update() |
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39 | |
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40 | def set_layer(self, n): |
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41 | self.layernum = n |
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42 | self.update() |
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43 | |
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44 | def clear(self): |
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45 | self.clear_markers() |
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46 | try: |
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47 | self.inner_marker.remove() |
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48 | self.inner_circle.remove() |
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49 | except: |
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50 | # Old version of matplotlib |
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51 | for item in range(len(self.axes.lines)): |
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52 | del self.axes.lines[0] |
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53 | |
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54 | |
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55 | |
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56 | def get_radius(self): |
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57 | radius =math.sqrt(math.pow(self._inner_mouse_x, 2)+math.pow(self._inner_mouse_y, 2)) |
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58 | return radius |
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59 | |
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60 | def update(self,theta1=None,theta2=None): |
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61 | """ |
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62 | Draw the new roughness on the graph. |
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63 | """ |
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64 | # Plot inner circle |
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65 | x = [] |
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66 | y = [] |
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67 | if theta1 !=None: |
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68 | self.theta1= theta1 |
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69 | if theta2 !=None: |
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70 | self.theta2= theta2 |
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71 | #print "ring update theta1 theta2", self.theta1, self.theta2 |
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72 | while self.theta2 < self.theta1: self.theta2 += 2*math.pi |
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73 | npts = int((self.theta2 - self.theta1)/(math.pi/120)) |
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74 | for i in range(self.npts): |
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75 | |
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76 | phi =(self.theta2-self.theta1)/(self.npts-1)*i +self.theta1 |
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77 | #delta= phi1-phi |
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78 | r= math.sqrt(math.pow(self._inner_mouse_x, 2)+math.pow(self._inner_mouse_y, 2)) |
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79 | xval = 1.0*r*math.cos(phi) |
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80 | yval = 1.0*r*math.sin(phi) |
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81 | #xval = 1.0*self._inner_mouse_x*math.cos(phi) |
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82 | #yval = 1.0*self._inner_mouse_x*math.sin(phi) |
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83 | |
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84 | |
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85 | x.append(xval) |
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86 | y.append(yval) |
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87 | |
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88 | #self.inner_marker.set(xdata=[self._inner_mouse_x],ydata=[0]) |
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89 | self.inner_circle.set_data(x, y) |
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90 | |
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91 | |
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92 | if self._inner_mouse_x <0: |
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93 | self._inner_mouse_x= 0 |
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94 | self._inner_mouse_y= 0 |
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95 | r= math.sqrt(math.pow(self._inner_mouse_x, 2)+math.pow(self._inner_mouse_y, 2)) |
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96 | x1= r*math.cos(self.theta1) |
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97 | y1= r*math.sin(self.theta1) |
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98 | #x1= self._inner_mouse_x*math.cos(self.theta1) |
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99 | #y1= self._inner_mouse_x*math.sin(self.theta1) |
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100 | #x2= r2*math.cos(self.theta1) |
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101 | #y2= r2*math.sin(self.theta1) |
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102 | |
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103 | |
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104 | |
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105 | def save(self, ev): |
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106 | """ |
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107 | Remember the roughness for this layer and the next so that we |
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108 | can restore on Esc. |
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109 | """ |
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110 | #self._inner_save_x = self._inner_mouse_x |
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111 | #self._inner_save_y = self._inner_mouse_y |
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112 | self._inner_save_x = self._inner_mouse_x |
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113 | self._inner_save_y = self._inner_mouse_y |
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114 | self.base.freeze_axes() |
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115 | |
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116 | def moveend(self, ev): |
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117 | self.base.moveend(ev) |
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118 | |
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119 | def restore(self): |
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120 | """ |
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121 | Restore the roughness for this layer. |
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122 | """ |
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123 | self._inner_mouse_x = self._inner_save_x |
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124 | self._inner_mouse_y = self._inner_save_y |
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125 | |
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126 | def move(self, x, y, ev): |
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127 | """ |
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128 | Process move to a new position, making sure that the move is allowed. |
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129 | """ |
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130 | #print "ring move x, y", x,y |
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131 | self._inner_mouse_x = x |
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132 | self._inner_mouse_y = y |
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133 | |
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134 | self.base.base.update() |
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135 | |
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136 | def set_cursor(self, x, y): |
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137 | self.move(x, y, None) |
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138 | self.update() |
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139 | |
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140 | |
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141 | def get_params(self): |
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142 | params = {} |
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143 | params["radius"] = self._inner_mouse_x |
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144 | return params |
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145 | |
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146 | def set_params(self, params): |
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147 | |
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148 | x = params["radius"] |
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149 | self.set_cursor(x, self._inner_mouse_y) |
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150 | |
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151 | |
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