| 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 | import wx |
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| 12 | import copy |
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| 13 | from copy import deepcopy |
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| 14 | import math |
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| 15 | import numpy |
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| 16 | |
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| 17 | from sans.guicomm.events import NewPlotEvent, StatusEvent,SlicerParameterEvent,EVT_SLICER_PARS |
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| 18 | from BaseInteractor import _BaseInteractor |
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| 19 | from sans.guiframe.dataFitting import Data1D |
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| 20 | |
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| 21 | import SlicerParameters |
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| 22 | |
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| 23 | |
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| 24 | class BoxInteractor(_BaseInteractor): |
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| 25 | """ |
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| 26 | BoxInteractor define a rectangle that return data1D average of Data2D |
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| 27 | in a rectangle area defined by -x, x ,y, -y |
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| 28 | """ |
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| 29 | def __init__(self,base,axes,color='black', zorder=3): |
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| 30 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 31 | ## Class initialization |
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| 32 | self.markers = [] |
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| 33 | self.axes = axes |
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| 34 | ##connecting artist |
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| 35 | self.connect = self.base.connect |
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| 36 | ## determine x y values |
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| 37 | self.x= 0.5*min(math.fabs(self.base.data2D.xmax),math.fabs( self.base.data2D.xmin)) |
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| 38 | self.y= 0.5*min(math.fabs(self.base.data2D.xmax),math.fabs( self.base.data2D.xmin)) |
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| 39 | ## when reach qmax reset the graph |
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| 40 | self.qmax = max(self.base.data2D.xmax,self.base.data2D.xmin, |
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| 41 | self.base.data2D.ymax,self.base.data2D.ymin ) |
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| 42 | ## Number of points on the plot |
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| 43 | self.nbins = 30 |
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| 44 | ## If True, I(|Q|) will be return, otherwise, negative q-values are allowed |
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| 45 | self.fold = True |
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| 46 | ## reference of the current Slab averaging |
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| 47 | self.averager=None |
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| 48 | ## Create vertical and horizaontal lines for the rectangle |
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| 49 | self.vertical_lines = VerticalLines(self, self.base.subplot,color='blue', |
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| 50 | zorder=zorder, |
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| 51 | y= self.y , |
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| 52 | x= self.x) |
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| 53 | self.vertical_lines.qmax = self.qmax |
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| 54 | |
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| 55 | self.horizontal_lines= HorizontalLines(self, self.base.subplot,color='green', |
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| 56 | zorder=zorder, |
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| 57 | x= self.x, |
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| 58 | y= self.y) |
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| 59 | self.horizontal_lines.qmax= self.qmax |
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| 60 | ## draw the rectangle and plost the data 1D resulting |
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| 61 | ## of averaging data2D |
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| 62 | self.update() |
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| 63 | self._post_data() |
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| 64 | ## Bind to slice parameter events |
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| 65 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 66 | |
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| 67 | |
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| 68 | def _onEVT_SLICER_PARS(self, event): |
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| 69 | """ |
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| 70 | receive an event containing parameters values to reset the slicer |
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| 71 | @param event: event of type SlicerParameterEvent with params as |
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| 72 | attribute |
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| 73 | """ |
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| 74 | wx.PostEvent(self.base.parent, StatusEvent(status="BoxSlicer._onEVT_SLICER_PARS")) |
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| 75 | event.Skip() |
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| 76 | if event.type == self.__class__.__name__: |
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| 77 | self.set_params(event.params) |
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| 78 | self.base.update() |
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| 79 | |
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| 80 | |
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| 81 | def update_and_post(self): |
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| 82 | """ |
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| 83 | Update the slicer and plot the resulting data |
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| 84 | """ |
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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 | |
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| 89 | def set_layer(self, n): |
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| 90 | """ |
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| 91 | Allow adding plot to the same panel |
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| 92 | @param n: the number of layer |
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| 93 | """ |
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| 94 | self.layernum = n |
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| 95 | self.update() |
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| 96 | |
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| 97 | |
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| 98 | def clear(self): |
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| 99 | """ |
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| 100 | Clear the slicer and all connected events related to this slicer |
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| 101 | """ |
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| 102 | self.averager=None |
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| 103 | self.clear_markers() |
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| 104 | self.horizontal_lines.clear() |
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| 105 | self.vertical_lines.clear() |
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| 106 | self.base.connect.clearall() |
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| 107 | self.base.Unbind(EVT_SLICER_PARS) |
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| 108 | |
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| 109 | |
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| 110 | def update(self): |
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| 111 | """ |
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| 112 | Respond to changes in the model by recalculating the profiles and |
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| 113 | resetting the widgets. |
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| 114 | """ |
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| 115 | ##Update the slicer if an horizontal line is dragged |
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| 116 | if self.horizontal_lines.has_move: |
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| 117 | self.horizontal_lines.update() |
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| 118 | self.vertical_lines.update(y=self.horizontal_lines.y) |
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| 119 | |
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| 120 | ##Update the slicer if a vertical line is dragged |
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| 121 | if self.vertical_lines.has_move: |
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| 122 | self.vertical_lines.update() |
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| 123 | self.horizontal_lines.update(x=self.vertical_lines.x) |
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| 124 | |
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| 125 | |
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| 126 | def save(self, ev): |
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| 127 | """ |
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| 128 | Remember the roughness for this layer and the next so that we |
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| 129 | can restore on Esc. |
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| 130 | """ |
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| 131 | self.base.freeze_axes() |
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| 132 | self.vertical_lines.save(ev) |
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| 133 | self.horizontal_lines.save(ev) |
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| 134 | |
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| 135 | def _post_data(self): |
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| 136 | pass |
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| 137 | |
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| 138 | |
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| 139 | def post_data(self,new_slab=None , nbins=None, direction =None): |
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| 140 | """ |
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| 141 | post data averaging in Qx or Qy given new_slab type |
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| 142 | @param new_slab: slicer that determine with direction to average |
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| 143 | @param nbins: the number of points plotted when averaging |
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| 144 | @param direction: the direction of averaging |
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| 145 | """ |
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| 146 | x_min= -1*math.fabs(self.vertical_lines.x) |
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| 147 | x_max= math.fabs(self.vertical_lines.x) |
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| 148 | |
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| 149 | y_min= -1*math.fabs(self.horizontal_lines.y) |
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| 150 | y_max= math.fabs(self.horizontal_lines.y) |
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| 151 | |
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| 152 | if nbins !=None: |
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| 153 | self.nbins |
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| 154 | if self.averager==None: |
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| 155 | if new_slab ==None: |
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| 156 | raise ValueError,"post data:cannot average , averager is empty" |
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| 157 | self.averager= new_slab |
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| 158 | if direction == "X": |
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| 159 | if self.fold: x_low = 0 |
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| 160 | else: x_low = math.fabs(x_min) |
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| 161 | bin_width= (x_max + x_low)/self.nbins |
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| 162 | else: |
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| 163 | if self.fold: y_low = 0 |
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| 164 | else: y_low = math.fabs(y_min) |
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| 165 | bin_width= (y_max + y_low)/self.nbins |
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| 166 | ## Average data2D given Qx or Qy |
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| 167 | box = self.averager( x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max, |
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| 168 | bin_width=bin_width) |
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| 169 | box.fold = self.fold |
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| 170 | boxavg = box(self.base.data2D) |
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| 171 | #3 Create Data1D to plot |
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| 172 | |
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| 173 | if hasattr(boxavg,"dxl"): |
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| 174 | dxl= boxavg.dxl |
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| 175 | else: |
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| 176 | dxl= None |
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| 177 | if hasattr(boxavg,"dxw"): |
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| 178 | dxw=boxavg.dxw |
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| 179 | else: |
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| 180 | dxw= None |
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| 181 | |
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| 182 | new_plot = Data1D(x=boxavg.x,y=boxavg.y,dy=boxavg.dy) |
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| 183 | new_plot.dxl = dxl |
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| 184 | new_plot.dxw = dxw |
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| 185 | new_plot.name = str(self.averager.__name__) +"("+ self.base.data2D.name+")" |
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| 186 | |
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| 187 | new_plot.source=self.base.data2D.source |
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| 188 | new_plot.interactive = True |
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| 189 | new_plot.detector =self.base.data2D.detector |
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| 190 | # If the data file does not tell us what the axes are, just assume... |
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| 191 | new_plot.xaxis("\\rm{Q}", 'rad') |
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| 192 | new_plot.yaxis("\\rm{Intensity} ","cm^{-1}") |
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| 193 | new_plot.group_id = str(self.averager.__name__)+self.base.data2D.name |
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| 194 | new_plot.id = str(self.averager.__name__) |
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| 195 | #new_plot.is_data= True |
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| 196 | |
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| 197 | wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot, |
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| 198 | title=str(self.averager.__name__) )) |
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| 199 | |
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| 200 | |
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| 201 | |
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| 202 | def moveend(self, ev): |
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| 203 | """ |
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| 204 | Called after a dragging event. |
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| 205 | Post the slicer new parameters and creates a new Data1D |
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| 206 | corresponding to the new average |
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| 207 | """ |
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| 208 | self.base.thaw_axes() |
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| 209 | # Post paramters |
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| 210 | event = SlicerParameterEvent() |
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| 211 | event.type = self.__class__.__name__ |
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| 212 | event.params = self.get_params() |
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| 213 | wx.PostEvent(self.base.parent, event) |
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| 214 | # create the new data1D |
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| 215 | self._post_data() |
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| 216 | |
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| 217 | |
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| 218 | def restore(self): |
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| 219 | """ |
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| 220 | Restore the roughness for this layer. |
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| 221 | """ |
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| 222 | self.horizontal_lines.restore() |
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| 223 | self.vertical_lines.restore() |
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| 224 | |
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| 225 | |
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| 226 | def move(self, x, y, ev): |
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| 227 | """ |
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| 228 | Process move to a new position, making sure that the move is allowed. |
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| 229 | """ |
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| 230 | pass |
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| 231 | |
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| 232 | |
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| 233 | def set_cursor(self, x, y): |
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| 234 | pass |
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| 235 | |
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| 236 | |
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| 237 | def get_params(self): |
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| 238 | """ |
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| 239 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 240 | @return params: the dictionary created |
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| 241 | """ |
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| 242 | params = {} |
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| 243 | params["x_max"]= math.fabs(self.vertical_lines.x) |
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| 244 | params["y_max"]= math.fabs(self.horizontal_lines.y) |
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| 245 | params["nbins"]= self.nbins |
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| 246 | return params |
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| 247 | |
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| 248 | def set_params(self, params): |
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| 249 | """ |
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| 250 | Receive a dictionary and reset the slicer with values contained |
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| 251 | in the values of the dictionary. |
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| 252 | @param params: a dictionary containing name of slicer parameters and |
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| 253 | values the user assigned to the slicer. |
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| 254 | """ |
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| 255 | self.x = float(math.fabs(params["x_max"])) |
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| 256 | self.y = float(math.fabs(params["y_max"] )) |
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| 257 | self.nbins=params["nbins"] |
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| 258 | |
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| 259 | self.horizontal_lines.update(x= self.x, y= self.y) |
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| 260 | self.vertical_lines.update(x= self.x, y= self.y) |
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| 261 | self.post_data( nbins=None) |
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| 262 | |
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| 263 | |
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| 264 | def freeze_axes(self): |
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| 265 | self.base.freeze_axes() |
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| 266 | |
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| 267 | |
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| 268 | def thaw_axes(self): |
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| 269 | self.base.thaw_axes() |
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| 270 | |
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| 271 | |
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| 272 | def draw(self): |
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| 273 | self.base.draw() |
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| 274 | |
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| 275 | |
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| 276 | class HorizontalLines(_BaseInteractor): |
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| 277 | """ |
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| 278 | Draw 2 Horizontal lines centered on (0,0) that can move |
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| 279 | on the x- direction and in opposite direction |
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| 280 | """ |
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| 281 | def __init__(self,base,axes,color='black', zorder=5,x=0.5, y=0.5): |
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| 282 | |
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| 283 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 284 | ##Class initialization |
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| 285 | self.markers = [] |
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| 286 | self.axes = axes |
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| 287 | ## Saving the end points of two lines |
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| 288 | self.x= x |
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| 289 | self.save_x= x |
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| 290 | |
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| 291 | self.y= y |
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| 292 | self.save_y= y |
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| 293 | ## Creating a marker |
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| 294 | try: |
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| 295 | # Inner circle marker |
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| 296 | self.inner_marker = self.axes.plot([0],[self.y], linestyle='', |
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| 297 | marker='s', markersize=10, |
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| 298 | color=self.color, alpha=0.6, |
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| 299 | pickradius=5, label="pick", |
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| 300 | zorder=zorder, # Prefer this to other lines |
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| 301 | visible=True)[0] |
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| 302 | except: |
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| 303 | self.inner_marker = self.axes.plot([0],[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 | label="pick", |
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| 307 | visible=True)[0] |
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| 308 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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| 309 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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| 310 | owner=self.base.base.parent |
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| 311 | wx.PostEvent(owner, StatusEvent(status="AnnulusSlicer: %s"%message)) |
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| 312 | |
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| 313 | ## Define 2 horizontal lines |
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| 314 | self.top_line = self.axes.plot([self.x,-self.x], |
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| 315 | [self.y,self.y], |
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| 316 | linestyle='-', marker='', |
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| 317 | color=self.color, |
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| 318 | visible=True)[0] |
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| 319 | self.bottom_line = self.axes.plot([self.x,-self.x], |
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| 320 | [-self.y,-self.y], |
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| 321 | linestyle='-', marker='', |
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| 322 | color=self.color, |
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| 323 | visible=True)[0] |
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| 324 | ## Flag to check the motion of the lines |
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| 325 | self.has_move=False |
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| 326 | ## Connecting markers to mouse events and draw |
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| 327 | self.connect_markers([self.top_line, self.inner_marker]) |
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| 328 | self.update() |
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| 329 | |
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| 330 | |
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| 331 | def set_layer(self, n): |
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| 332 | """ |
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| 333 | Allow adding plot to the same panel |
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| 334 | @param n: the number of layer |
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| 335 | """ |
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| 336 | self.layernum = n |
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| 337 | self.update() |
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| 338 | |
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| 339 | |
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| 340 | def clear(self): |
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| 341 | """ |
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| 342 | Clear this slicer and its markers |
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| 343 | """ |
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| 344 | self.clear_markers() |
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| 345 | try: |
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| 346 | self.inner_marker.remove() |
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| 347 | self.top_line.remove() |
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| 348 | self.bottom_line.remove() |
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| 349 | except: |
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| 350 | # Old version of matplotlib |
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| 351 | for item in range(len(self.axes.lines)): |
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| 352 | del self.axes.lines[0] |
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| 353 | |
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| 354 | |
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| 355 | def update(self,x=None,y=None): |
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| 356 | """ |
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| 357 | Draw the new roughness on the graph. |
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| 358 | @param x: x-coordinates to reset current class x |
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| 359 | @param y: y-coordinates to reset current class y |
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| 360 | """ |
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| 361 | ## Reset x, y- coordinates if send as parameters |
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| 362 | if x!=None: |
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| 363 | self.x = numpy.sign(self.x)*math.fabs(x) |
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| 364 | if y !=None: |
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| 365 | self.y = numpy.sign(self.y)*math.fabs(y) |
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| 366 | ## Draw lines and markers |
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| 367 | self.inner_marker.set(xdata=[0],ydata=[self.y]) |
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| 368 | self.top_line.set(xdata=[self.x,-self.x], |
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| 369 | ydata=[self.y,self.y]) |
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| 370 | self.bottom_line.set(xdata=[self.x,-self.x], |
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| 371 | ydata=[-self.y, -self.y]) |
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| 372 | |
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| 373 | |
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| 374 | def save(self, ev): |
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| 375 | """ |
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| 376 | Remember the roughness for this layer and the next so that we |
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| 377 | can restore on Esc. |
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| 378 | """ |
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| 379 | self.save_x= self.x |
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| 380 | self.save_y= self.y |
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| 381 | self.base.freeze_axes() |
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| 382 | |
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| 383 | |
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| 384 | def moveend(self, ev): |
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| 385 | """ |
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| 386 | Called after a dragging this edge and set self.has_move to False |
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| 387 | to specify the end of dragging motion |
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| 388 | """ |
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| 389 | self.has_move=False |
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| 390 | self.base.moveend(ev) |
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| 391 | |
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| 392 | |
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| 393 | def restore(self): |
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| 394 | """ |
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| 395 | Restore the roughness for this layer. |
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| 396 | """ |
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| 397 | self.x = self.save_x |
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| 398 | self.y = self.save_y |
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| 399 | |
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| 400 | |
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| 401 | def move(self, x, y, ev): |
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| 402 | """ |
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| 403 | Process move to a new position, making sure that the move is allowed. |
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| 404 | """ |
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| 405 | self.y= y |
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| 406 | self.has_move=True |
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| 407 | self.base.base.update() |
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| 408 | |
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| 409 | |
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| 410 | class VerticalLines(_BaseInteractor): |
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| 411 | """ |
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| 412 | Select an annulus through a 2D plot |
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| 413 | """ |
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| 414 | def __init__(self,base,axes,color='black',zorder=5,x=0.5, y=0.5): |
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| 415 | |
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| 416 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 417 | self.markers = [] |
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| 418 | self.axes = axes |
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| 419 | |
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| 420 | self.x= math.fabs(x) |
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| 421 | self.save_x= self.x |
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| 422 | self.y= math.fabs(y) |
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| 423 | self.save_y= y |
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| 424 | |
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| 425 | try: |
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| 426 | # Inner circle marker |
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| 427 | self.inner_marker = self.axes.plot([self.x],[0], linestyle='', |
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| 428 | marker='s', markersize=10, |
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| 429 | color=self.color, alpha=0.6, |
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| 430 | pickradius=5, label="pick", |
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| 431 | zorder=zorder, # Prefer this to other lines |
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| 432 | visible=True)[0] |
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| 433 | except: |
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| 434 | self.inner_marker = self.axes.plot([self.x],[0], linestyle='', |
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| 435 | marker='s', markersize=10, |
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| 436 | color=self.color, alpha=0.6, |
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| 437 | label="pick", |
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| 438 | visible=True)[0] |
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| 439 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST VERSION OF MATPLOTLIB\n" |
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| 440 | message += "Get the SVN version that is at least as recent as June 1, 2007" |
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| 441 | |
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| 442 | self.right_line = self.axes.plot([self.x,self.x],[self.y,-self.y], |
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| 443 | linestyle='-', marker='', |
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| 444 | color=self.color, |
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| 445 | visible=True)[0] |
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| 446 | self.left_line = self.axes.plot([-self.x,-self.x],[self.y,-self.y], |
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| 447 | linestyle='-', marker='', |
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| 448 | color=self.color, |
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| 449 | visible=True)[0] |
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| 450 | |
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| 451 | self.has_move=False |
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| 452 | self.connect_markers([self.right_line, self.inner_marker]) |
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| 453 | self.update() |
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| 454 | |
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| 455 | |
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| 456 | def set_layer(self, n): |
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| 457 | """ |
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| 458 | Allow adding plot to the same panel |
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| 459 | @param n: the number of layer |
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| 460 | """ |
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| 461 | self.layernum = n |
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| 462 | self.update() |
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| 463 | |
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| 464 | |
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| 465 | def clear(self): |
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| 466 | """ |
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| 467 | Clear this slicer and its markers |
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| 468 | """ |
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| 469 | self.clear_markers() |
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| 470 | try: |
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| 471 | self.inner_marker.remove() |
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| 472 | self.left_line.remove() |
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| 473 | self.right_line.remove() |
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| 474 | except: |
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| 475 | # Old version of matplotlib |
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| 476 | for item in range(len(self.axes.lines)): |
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| 477 | del self.axes.lines[0] |
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| 478 | |
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| 479 | |
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| 480 | def update(self,x=None,y=None): |
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| 481 | """ |
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| 482 | Draw the new roughness on the graph. |
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| 483 | @param x: x-coordinates to reset current class x |
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| 484 | @param y: y-coordinates to reset current class y |
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| 485 | """ |
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| 486 | ## reset x, y -coordinates if given as parameters |
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| 487 | if x!=None: |
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| 488 | self.x = numpy.sign(self.x)*math.fabs(x) |
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| 489 | if y !=None: |
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| 490 | self.y = numpy.sign(self.y)*math.fabs(y) |
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| 491 | ## draw lines and markers |
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| 492 | self.inner_marker.set(xdata=[self.x],ydata=[0]) |
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| 493 | self.left_line.set(xdata=[-self.x,-self.x], |
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| 494 | ydata=[self.y,-self.y]) |
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| 495 | self.right_line.set(xdata=[self.x,self.x], |
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| 496 | ydata=[self.y,-self.y]) |
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| 497 | |
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| 498 | |
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| 499 | def save(self, ev): |
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| 500 | """ |
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| 501 | Remember the roughness for this layer and the next so that we |
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| 502 | can restore on Esc. |
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| 503 | """ |
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| 504 | self.save_x= self.x |
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| 505 | self.save_y= self.y |
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| 506 | |
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| 507 | self.base.freeze_axes() |
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| 508 | |
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| 509 | |
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| 510 | def moveend(self, ev): |
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| 511 | """ |
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| 512 | Called after a dragging this edge and set self.has_move to False |
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| 513 | to specify the end of dragging motion |
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| 514 | """ |
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| 515 | self.has_move=False |
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| 516 | self.base.moveend(ev) |
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| 517 | |
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| 518 | |
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| 519 | def restore(self): |
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| 520 | """ |
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| 521 | Restore the roughness for this layer. |
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| 522 | """ |
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| 523 | self.x = self.save_x |
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| 524 | self.y = self.save_y |
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| 525 | |
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| 526 | |
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| 527 | def move(self, x, y, ev): |
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| 528 | """ |
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| 529 | Process move to a new position, making sure that the move is allowed. |
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| 530 | """ |
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| 531 | self.has_move=True |
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| 532 | self.x= x |
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| 533 | self.base.base.update() |
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| 534 | |
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| 535 | |
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| 536 | |
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| 537 | |
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| 538 | class BoxInteractorX(BoxInteractor): |
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| 539 | """ |
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| 540 | Average in Qx direction |
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| 541 | """ |
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| 542 | def __init__(self,base,axes,color='black', zorder=3): |
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| 543 | BoxInteractor.__init__(self, base, axes, color=color) |
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| 544 | self.base=base |
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| 545 | self._post_data() |
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| 546 | |
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| 547 | |
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| 548 | def _post_data(self): |
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| 549 | """ |
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| 550 | Post data creating by averaging in Qx direction |
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| 551 | """ |
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| 552 | from DataLoader.manipulations import SlabX |
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| 553 | self.post_data(SlabX, direction ="X") |
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| 554 | |
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| 555 | |
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| 556 | class BoxInteractorY(BoxInteractor): |
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| 557 | """ |
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| 558 | Average in Qy direction |
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| 559 | """ |
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| 560 | def __init__(self,base,axes,color='black', zorder=3): |
|---|
| 561 | BoxInteractor.__init__(self, base, axes, color=color) |
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| 562 | self.base=base |
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| 563 | self._post_data() |
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| 564 | |
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| 565 | |
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| 566 | def _post_data(self): |
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| 567 | """ |
|---|
| 568 | Post data creating by averaging in Qy direction |
|---|
| 569 | """ |
|---|
| 570 | from DataLoader.manipulations import SlabY |
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| 571 | self.post_data(SlabY, direction ="Y") |
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| 572 | |
|---|
| 573 | |
|---|
