| 1 | |
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| 2 | import math |
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| 3 | import wx |
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| 4 | from copy import deepcopy |
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| 5 | |
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| 6 | from BaseInteractor import _BaseInteractor |
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| 7 | from sans.guicomm.events import NewPlotEvent, StatusEvent,SlicerParameterEvent,EVT_SLICER_PARS |
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| 8 | |
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| 9 | |
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| 10 | |
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| 11 | |
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| 12 | class RadiusInteractor(_BaseInteractor): |
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| 13 | """ |
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| 14 | Select an annulus through a 2D plot |
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| 15 | """ |
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| 16 | def __init__(self,base,axes,color='black', zorder=5, arc1=None,arc2=None, |
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| 17 | theta=math.pi/8): |
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| 18 | |
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| 19 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 20 | self.markers = [] |
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| 21 | self.axes = axes |
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| 22 | |
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| 23 | self.r1 = arc1.get_radius() |
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| 24 | self.r2 = arc2.get_radius() |
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| 25 | #print "radius init", self.r1, self.r2 |
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| 26 | self.theta=theta |
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| 27 | self.save_theta= theta |
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| 28 | #self.scale = 10.0 |
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| 29 | self.move_stop=False |
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| 30 | self.theta_left=None |
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| 31 | self.theta_right=None |
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| 32 | self.arc1= arc1 |
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| 33 | self.arc2=arc2 |
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| 34 | #raise "Version error", message |
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| 35 | x1= self.r1*math.cos(self.theta) |
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| 36 | y1= self.r1*math.sin(self.theta) |
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| 37 | x2= self.r2*math.cos(self.theta) |
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| 38 | y2= self.r2*math.sin(self.theta) |
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| 39 | self.line = self.axes.plot([x1,x2],[y1,y2], |
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| 40 | linestyle='-', marker='', |
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| 41 | color=self.color, |
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| 42 | visible=True)[0] |
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| 43 | self.phi= theta |
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| 44 | self.npts = 20 |
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| 45 | self.has_move= False |
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| 46 | self.connect_markers([self.line]) |
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| 47 | self.update() |
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| 48 | |
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| 49 | |
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| 50 | def set_layer(self, n): |
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| 51 | self.layernum = n |
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| 52 | self.update() |
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| 53 | |
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| 54 | def clear(self): |
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| 55 | self.clear_markers() |
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| 56 | try: |
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| 57 | self.line.remove() |
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| 58 | |
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| 59 | except: |
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| 60 | # Old version of matplotlib |
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| 61 | for item in range(len(self.axes.lines)): |
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| 62 | del self.axes.lines[0] |
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| 63 | |
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| 64 | |
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| 65 | |
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| 66 | def get_angle(self): |
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| 67 | return self.theta |
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| 68 | |
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| 69 | def update(self,r1=None, r2=None, theta=None): |
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| 70 | """ |
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| 71 | Draw the new roughness on the graph. |
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| 72 | """ |
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| 73 | if r1 !=None: |
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| 74 | self.r1=r1 |
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| 75 | if r2!=None: |
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| 76 | self.r2=r2 |
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| 77 | if theta !=None: |
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| 78 | self.theta= theta |
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| 79 | |
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| 80 | print "in the edge r1, r2",self.r1,self.r2,math.degrees(self.theta) |
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| 81 | x1= self.r1*math.cos(self.theta) |
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| 82 | y1= self.r1*math.sin(self.theta) |
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| 83 | x2= self.r2*math.cos(self.theta) |
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| 84 | y2= self.r2*math.sin(self.theta) |
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| 85 | |
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| 86 | self.line.set(xdata=[x1,x2], ydata=[y1,y2]) |
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| 87 | |
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| 88 | |
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| 89 | def save(self, ev): |
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| 90 | """ |
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| 91 | Remember the roughness for this layer and the next so that we |
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| 92 | can restore on Esc. |
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| 93 | """ |
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| 94 | self.save_theta= math.atan2(ev.y,ev.x) |
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| 95 | #self.save_theta= self.theta |
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| 96 | self.base.freeze_axes() |
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| 97 | |
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| 98 | def moveend(self, ev): |
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| 99 | self.has_move= False |
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| 100 | self.base.moveend(ev) |
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| 101 | |
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| 102 | def restore(self): |
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| 103 | """ |
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| 104 | Restore the roughness for this layer. |
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| 105 | """ |
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| 106 | self.theta = self.save_theta |
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| 107 | |
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| 108 | def move(self, x, y, ev): |
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| 109 | """ |
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| 110 | Process move to a new position, making sure that the move is allowed. |
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| 111 | """ |
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| 112 | |
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| 113 | self.theta= math.atan2(y,x) |
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| 114 | self.has_move= True |
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| 115 | |
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| 116 | self.base.base.update() |
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| 117 | |
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| 118 | def set_cursor(self,r_min, r_max, theta): |
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| 119 | self.theta= theta |
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| 120 | self.r1= r_min |
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| 121 | self.r2=r_max |
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| 122 | self.update() |
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| 123 | |
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| 124 | |
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| 125 | def get_params(self): |
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| 126 | params = {} |
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| 127 | params["radius1"] = self.r1 |
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| 128 | params["radius2"] = self.r2 |
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| 129 | params["theta"] = self.theta |
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| 130 | return params |
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| 131 | |
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| 132 | def set_params(self, params): |
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| 133 | print "when here set curcor arc" |
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| 134 | |
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| 135 | x1 = params["radius1"] |
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| 136 | x2 = params["radius2"] |
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| 137 | theta= params["theta"] |
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| 138 | self.set_cursor(x1, x2, theta) |
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| 139 | |
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| 140 | |
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