| 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 | import math |
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| 9 | import wx |
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| 10 | #from copy import deepcopy |
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| 11 | # Debug printout |
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| 12 | from sans.guiframe.events import NewPlotEvent |
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| 13 | from sans.guiframe.events import StatusEvent |
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| 14 | from sans.guiframe.events import SlicerParameterEvent |
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| 15 | from sans.guiframe.events import EVT_SLICER_PARS |
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| 16 | from BaseInteractor import _BaseInteractor |
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| 17 | from sans.guiframe.dataFitting import Data1D |
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| 18 | |
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| 19 | class AnnulusInteractor(_BaseInteractor): |
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| 20 | """ |
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| 21 | Select an annulus through a 2D plot. |
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| 22 | This interactor is used to average 2D data with the region |
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| 23 | defined by 2 radius. |
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| 24 | this class is defined by 2 Ringinterators. |
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| 25 | """ |
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| 26 | def __init__(self, base, axes, color='black', zorder=3): |
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| 27 | |
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| 28 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 29 | self.markers = [] |
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| 30 | self.axes = axes |
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| 31 | self.base = base |
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| 32 | self.qmax = min(math.fabs(self.base.data2D.xmax), |
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| 33 | math.fabs(self.base.data2D.xmin)) #must be positive |
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| 34 | self.connect = self.base.connect |
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| 35 | |
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| 36 | ## Number of points on the plot |
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| 37 | self.nbins = 20 |
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| 38 | #Cursor position of Rings (Left(-1) or Right(1)) |
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| 39 | self.xmaxd = self.base.data2D.xmax |
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| 40 | self.xmind = self.base.data2D.xmin |
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| 41 | |
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| 42 | if (self.xmaxd + self.xmind) > 0: |
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| 43 | self.sign = 1 |
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| 44 | else: |
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| 45 | self.sign = -1 |
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| 46 | # Inner circle |
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| 47 | self.inner_circle = RingInteractor(self, self.base.subplot, |
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| 48 | zorder=zorder, |
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| 49 | r=self.qmax/2.0, sign=self.sign) |
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| 50 | self.inner_circle.qmax = self.qmax |
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| 51 | self.outer_circle = RingInteractor(self, self.base.subplot, |
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| 52 | zorder=zorder+1, r=self.qmax/1.8, |
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| 53 | sign=self.sign) |
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| 54 | self.outer_circle.qmax = self.qmax * 1.2 |
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| 55 | self.update() |
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| 56 | self._post_data() |
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| 57 | |
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| 58 | # Bind to slice parameter events |
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| 59 | self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 60 | |
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| 61 | def _onEVT_SLICER_PARS(self, event): |
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| 62 | """ |
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| 63 | receive an event containing parameters values to reset the slicer |
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| 64 | |
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| 65 | :param event: event of type SlicerParameterEvent with params as |
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| 66 | attribute |
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| 67 | |
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| 68 | """ |
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| 69 | wx.PostEvent(self.base, |
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| 70 | StatusEvent(status="AnnulusSlicer._onEVT_SLICER_PARS")) |
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| 71 | event.Skip() |
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| 72 | if event.type == self.__class__.__name__: |
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| 73 | self.set_params(event.params) |
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| 74 | self.base.update() |
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| 75 | |
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| 76 | def set_layer(self, n): |
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| 77 | """ |
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| 78 | Allow adding plot to the same panel |
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| 79 | |
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| 80 | :param n: the number of layer |
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| 81 | |
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| 82 | """ |
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| 83 | self.layernum = n |
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| 84 | self.update() |
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| 85 | |
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| 86 | def clear(self): |
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| 87 | """ |
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| 88 | Clear the slicer and all connected events related to this slicer |
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| 89 | """ |
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| 90 | self.clear_markers() |
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| 91 | self.outer_circle.clear() |
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| 92 | self.inner_circle.clear() |
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| 93 | self.base.connect.clearall() |
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| 94 | self.base.Unbind(EVT_SLICER_PARS) |
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| 95 | |
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| 96 | def update(self): |
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| 97 | """ |
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| 98 | Respond to changes in the model by recalculating the profiles and |
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| 99 | resetting the widgets. |
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| 100 | """ |
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| 101 | # Update locations |
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| 102 | self.inner_circle.update() |
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| 103 | self.outer_circle.update() |
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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.base.freeze_axes() |
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| 111 | self.inner_circle.save(ev) |
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| 112 | self.outer_circle.save(ev) |
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| 113 | |
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| 114 | def _post_data(self, nbins=None): |
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| 115 | """ |
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| 116 | Uses annulus parameters to plot averaged data into 1D data. |
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| 117 | |
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| 118 | :param nbins: the number of points to plot |
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| 119 | |
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| 120 | """ |
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| 121 | #Data to average |
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| 122 | data = self.base.data2D |
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| 123 | # If we have no data, just return |
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| 124 | if data == None: |
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| 125 | return |
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| 126 | |
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| 127 | from DataLoader.manipulations import Ring |
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| 128 | rmin = min(math.fabs(self.inner_circle.get_radius()), |
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| 129 | math.fabs(self.outer_circle.get_radius())) |
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| 130 | rmax = max(math.fabs(self.inner_circle.get_radius()), |
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| 131 | math.fabs(self.outer_circle.get_radius())) |
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| 132 | #if the user does not specify the numbers of points to plot |
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| 133 | # the default number will be nbins= 20 |
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| 134 | if nbins == None: |
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| 135 | self.nbins = 20 |
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| 136 | else: |
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| 137 | self.nbins = nbins |
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| 138 | ## create the data1D Q average of data2D |
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| 139 | sect = Ring(r_min=rmin, r_max=rmax, nbins=self.nbins) |
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| 140 | sector = sect(self.base.data2D) |
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| 141 | |
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| 142 | if hasattr(sector, "dxl"): |
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| 143 | dxl = sector.dxl |
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| 144 | else: |
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| 145 | dxl = None |
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| 146 | if hasattr(sector, "dxw"): |
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| 147 | dxw = sector.dxw |
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| 148 | else: |
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| 149 | dxw = None |
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| 150 | new_plot = Data1D(x=(sector.x - math.pi) * 180/math.pi, |
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| 151 | y=sector.y, dy=sector.dy) |
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| 152 | new_plot.dxl = dxl |
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| 153 | new_plot.dxw = dxw |
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| 154 | new_plot.name = "AnnulusPhi" +"("+ self.base.data2D.name+")" |
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| 155 | |
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| 156 | new_plot.source = self.base.data2D.source |
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| 157 | #new_plot.info=self.base.data2D.info |
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| 158 | new_plot.interactive = True |
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| 159 | new_plot.detector = self.base.data2D.detector |
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| 160 | # If the data file does not tell us what the axes are, just assume... |
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| 161 | new_plot.xaxis("\\rm{\phi}", 'degrees') |
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| 162 | new_plot.yaxis("\\rm{Intensity} ", "cm^{-1}") |
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| 163 | new_plot.group_id = "AnnulusPhi" + self.base.data2D.name |
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| 164 | new_plot.id = "AnnulusPhi" + self.base.data2D.name |
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| 165 | #new_plot.is_data= True |
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| 166 | new_plot.xtransform = "x" |
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| 167 | new_plot.ytransform = "y" |
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| 168 | wx.PostEvent(self.base.parent, NewPlotEvent(plot=new_plot, |
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| 169 | title="AnnulusPhi")) |
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| 170 | |
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| 171 | def moveend(self, ev): |
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| 172 | """ |
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| 173 | Called when any dragging motion ends. |
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| 174 | Post an event (type =SlicerParameterEvent) |
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| 175 | to plotter 2D with a copy slicer parameters |
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| 176 | Call _post_data method |
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| 177 | """ |
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| 178 | self.base.thaw_axes() |
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| 179 | # Post parameters to plotter 2D |
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| 180 | event = SlicerParameterEvent() |
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| 181 | event.type = self.__class__.__name__ |
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| 182 | event.params = self.get_params() |
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| 183 | wx.PostEvent(self.base, event) |
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| 184 | # create a 1D data plot |
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| 185 | #self._post_data() |
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| 186 | |
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| 187 | def restore(self): |
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| 188 | """ |
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| 189 | Restore the roughness for this layer. |
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| 190 | """ |
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| 191 | self.inner_circle.restore() |
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| 192 | self.outer_circle.restore() |
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| 193 | |
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| 194 | def move(self, x, y, ev): |
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| 195 | """ |
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| 196 | Process move to a new position, making sure that the move is allowed. |
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| 197 | """ |
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| 198 | pass |
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| 199 | |
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| 200 | def set_cursor(self, x, y): |
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| 201 | pass |
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| 202 | |
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| 203 | def get_params(self): |
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| 204 | """ |
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| 205 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 206 | |
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| 207 | :return params: the dictionary created |
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| 208 | |
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| 209 | """ |
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| 210 | params = {} |
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| 211 | params["inner_radius"] = math.fabs(self.inner_circle._inner_mouse_x) |
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| 212 | params["outer_radius"] = math.fabs(self.outer_circle._inner_mouse_x) |
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| 213 | params["nbins"] = self.nbins |
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| 214 | return params |
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| 215 | |
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| 216 | def set_params(self, params): |
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| 217 | """ |
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| 218 | Receive a dictionary and reset the slicer with values contained |
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| 219 | in the values of the dictionary. |
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| 220 | |
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| 221 | :param params: a dictionary containing name of slicer parameters and |
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| 222 | values the user assigned to the slicer. |
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| 223 | |
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| 224 | """ |
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| 225 | inner = math.fabs(params["inner_radius"]) |
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| 226 | outer = math.fabs(params["outer_radius"]) |
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| 227 | self.nbins = int(params["nbins"]) |
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| 228 | ## Update the picture |
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| 229 | self.inner_circle.set_cursor(inner, self.inner_circle._inner_mouse_y) |
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| 230 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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| 231 | ## Post the data given the nbins entered by the user |
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| 232 | self._post_data(self.nbins) |
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| 233 | |
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| 234 | def freeze_axes(self): |
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| 235 | """ |
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| 236 | """ |
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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 | """ |
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| 241 | """ |
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| 242 | self.base.thaw_axes() |
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| 243 | |
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| 244 | def draw(self): |
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| 245 | """ |
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| 246 | """ |
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| 247 | self.base.draw() |
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| 248 | |
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| 249 | |
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| 250 | class RingInteractor(_BaseInteractor): |
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| 251 | """ |
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| 252 | Draw a ring Given a radius |
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| 253 | """ |
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| 254 | def __init__(self, base, axes, color='black', zorder=5, r=1.0, sign=1): |
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| 255 | """ |
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| 256 | :param: the color of the line that defined the ring |
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| 257 | :param r: the radius of the ring |
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| 258 | :param sign: the direction of motion the the marker |
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| 259 | |
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| 260 | """ |
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| 261 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 262 | self.markers = [] |
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| 263 | self.axes = axes |
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| 264 | # Current radius of the ring |
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| 265 | self._inner_mouse_x = r |
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| 266 | #Value of the center of the ring |
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| 267 | self._inner_mouse_y = 0 |
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| 268 | # previous value of that radius |
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| 269 | self._inner_save_x = r |
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| 270 | #Save value of the center of the ring |
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| 271 | self._inner_save_y = 0 |
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| 272 | #Class instantiating RingIterator class |
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| 273 | self.base = base |
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| 274 | #the direction of the motion of the marker |
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| 275 | self.sign = sign |
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| 276 | ## Create a marker |
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| 277 | try: |
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| 278 | # Inner circle marker |
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| 279 | x_value = [self.sign * math.fabs(self._inner_mouse_x)] |
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| 280 | self.inner_marker = self.axes.plot(x_value, |
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| 281 | [0], |
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| 282 | linestyle='', |
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| 283 | marker='s', markersize=10, |
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| 284 | color=self.color, alpha=0.6, |
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| 285 | pickradius=5, label="pick", |
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| 286 | zorder=zorder, |
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| 287 | visible=True)[0] |
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| 288 | except: |
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| 289 | x_value = [self.sign * math.fabs(self._inner_mouse_x)] |
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| 290 | self.inner_marker = self.axes.plot(x_value, |
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| 291 | [0], |
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| 292 | linestyle='', |
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| 293 | marker='s', markersize=10, |
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| 294 | color=self.color, alpha=0.6, |
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| 295 | label="pick", |
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| 296 | visible=True)[0] |
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| 297 | message = "\nTHIS PROTOTYPE NEEDS THE LATEST" |
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| 298 | message += " VERSION OF MATPLOTLIB\n" |
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| 299 | message += "Get the SVN version that is at " |
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| 300 | message += " least as recent as June 1, 2007" |
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| 301 | |
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| 302 | owner = self.base.base.parent |
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| 303 | wx.PostEvent(owner, |
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| 304 | StatusEvent(status="AnnulusSlicer: %s" % message)) |
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| 305 | |
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| 306 | # Draw a circle |
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| 307 | [self.inner_circle] = self.axes.plot([], [], |
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| 308 | linestyle='-', marker='', |
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| 309 | color=self.color) |
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| 310 | # the number of points that make the ring line |
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| 311 | self.npts = 40 |
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| 312 | |
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| 313 | self.connect_markers([self.inner_marker]) |
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| 314 | self.update() |
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| 315 | |
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| 316 | def set_layer(self, n): |
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| 317 | """ |
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| 318 | Allow adding plot to the same panel |
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| 319 | |
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| 320 | :param n: the number of layer |
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| 321 | |
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| 322 | """ |
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| 323 | self.layernum = n |
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| 324 | self.update() |
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| 325 | |
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| 326 | def clear(self): |
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| 327 | """ |
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| 328 | Clear the slicer and all connected events related to this slicer |
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| 329 | """ |
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| 330 | self.clear_markers() |
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| 331 | try: |
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| 332 | self.inner_marker.remove() |
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| 333 | self.inner_circle.remove() |
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| 334 | except: |
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| 335 | # Old version of matplotlib |
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| 336 | for item in range(len(self.axes.lines)): |
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| 337 | del self.axes.lines[0] |
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| 338 | |
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| 339 | def get_radius(self): |
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| 340 | """ |
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| 341 | :return self._inner_mouse_x: the current radius of the ring |
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| 342 | """ |
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| 343 | return self._inner_mouse_x |
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| 344 | |
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| 345 | def update(self): |
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| 346 | """ |
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| 347 | Draw the new roughness on the graph. |
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| 348 | """ |
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| 349 | # Plot inner circle |
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| 350 | x = [] |
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| 351 | y = [] |
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| 352 | for i in range(self.npts): |
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| 353 | phi = 2.0 * math.pi / (self.npts - 1) * i |
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| 354 | |
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| 355 | xval = 1.0 * self._inner_mouse_x * math.cos(phi) |
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| 356 | yval = 1.0 * self._inner_mouse_x * math.sin(phi) |
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| 357 | |
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| 358 | x.append(xval) |
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| 359 | y.append(yval) |
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| 360 | |
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| 361 | self.inner_marker.set(xdata=[self.sign*math.fabs(self._inner_mouse_x)], |
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| 362 | ydata=[0]) |
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| 363 | self.inner_circle.set_data(x, y) |
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| 364 | |
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| 365 | def save(self, ev): |
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| 366 | """ |
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| 367 | Remember the roughness for this layer and the next so that we |
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| 368 | can restore on Esc. |
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| 369 | """ |
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| 370 | self._inner_save_x = self._inner_mouse_x |
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| 371 | self._inner_save_y = self._inner_mouse_y |
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| 372 | self.base.freeze_axes() |
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| 373 | |
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| 374 | def moveend(self, ev): |
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| 375 | """ |
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| 376 | Called after a dragging motion |
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| 377 | """ |
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| 378 | self.base.moveend(ev) |
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| 379 | |
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| 380 | def restore(self): |
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| 381 | """ |
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| 382 | Restore the roughness for this layer. |
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| 383 | """ |
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| 384 | self._inner_mouse_x = self._inner_save_x |
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| 385 | self._inner_mouse_y = self._inner_save_y |
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| 386 | |
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| 387 | def move(self, x, y, ev): |
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| 388 | """ |
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| 389 | Process move to a new position, making sure that the move is allowed. |
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| 390 | """ |
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| 391 | self._inner_mouse_x = x |
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| 392 | self._inner_mouse_y = y |
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| 393 | self.base.base.update() |
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| 394 | |
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| 395 | def set_cursor(self, x, y): |
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| 396 | """ |
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| 397 | draw the ring given x, y value |
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| 398 | """ |
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| 399 | self.move(x, y, None) |
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| 400 | self.update() |
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| 401 | |
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| 402 | |
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| 403 | def get_params(self): |
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| 404 | """ |
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| 405 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 406 | |
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| 407 | :return params: the dictionary created |
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| 408 | |
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| 409 | """ |
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| 410 | params = {} |
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| 411 | params["radius"] = math.fabs(self._inner_mouse_x) |
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| 412 | return params |
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| 413 | |
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| 414 | def set_params(self, params): |
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| 415 | """ |
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| 416 | Receive a dictionary and reset the slicer with values contained |
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| 417 | in the values of the dictionary. |
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| 418 | |
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| 419 | :param params: a dictionary containing name of slicer parameters and |
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| 420 | values the user assigned to the slicer. |
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| 421 | |
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| 422 | """ |
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| 423 | x = params["radius"] |
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| 424 | self.set_cursor(x, self._inner_mouse_y) |
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| 425 | |
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| 426 | class CircularMask(_BaseInteractor): |
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| 427 | """ |
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| 428 | Draw a ring Given a radius |
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| 429 | """ |
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| 430 | def __init__(self, base, axes, color='grey', zorder=3, side=None): |
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| 431 | """ |
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| 432 | |
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| 433 | :param: the color of the line that defined the ring |
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| 434 | :param r: the radius of the ring |
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| 435 | :param sign: the direction of motion the the marker |
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| 436 | |
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| 437 | """ |
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| 438 | _BaseInteractor.__init__(self, base, axes, color=color) |
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| 439 | self.markers = [] |
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| 440 | self.axes = axes |
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| 441 | self.base = base |
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| 442 | self.is_inside = side |
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| 443 | self.qmax = min(math.fabs(self.base.data.xmax), |
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| 444 | math.fabs(self.base.data.xmin)) #must be positive |
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| 445 | self.connect = self.base.connect |
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| 446 | |
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| 447 | #Cursor position of Rings (Left(-1) or Right(1)) |
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| 448 | self.xmaxd = self.base.data.xmax |
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| 449 | self.xmind = self.base.data.xmin |
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| 450 | |
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| 451 | if (self.xmaxd + self.xmind) > 0: |
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| 452 | self.sign = 1 |
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| 453 | else: |
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| 454 | self.sign = -1 |
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| 455 | # Inner circle |
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| 456 | self.outer_circle = RingInteractor(self, self.base.subplot, 'blue', |
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| 457 | zorder=zorder+1, r=self.qmax/1.8, |
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| 458 | sign=self.sign) |
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| 459 | self.outer_circle.qmax = self.qmax * 1.2 |
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| 460 | self.update() |
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| 461 | self._post_data() |
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| 462 | |
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| 463 | # Bind to slice parameter events |
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| 464 | #self.base.Bind(EVT_SLICER_PARS, self._onEVT_SLICER_PARS) |
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| 465 | |
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| 466 | def _onEVT_SLICER_PARS(self, event): |
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| 467 | """ |
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| 468 | receive an event containing parameters values to reset the slicer |
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| 469 | |
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| 470 | :param event: event of type SlicerParameterEvent with params as |
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| 471 | attribute |
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| 472 | """ |
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| 473 | wx.PostEvent(self.base, |
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| 474 | StatusEvent(status="AnnulusSlicer._onEVT_SLICER_PARS")) |
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| 475 | event.Skip() |
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| 476 | if event.type == self.__class__.__name__: |
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| 477 | self.set_params(event.params) |
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| 478 | self.base.update() |
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| 479 | |
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| 480 | def set_layer(self, n): |
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| 481 | """ |
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| 482 | Allow adding plot to the same panel |
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| 483 | |
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| 484 | :param n: the number of layer |
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| 485 | |
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| 486 | """ |
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| 487 | self.layernum = n |
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| 488 | self.update() |
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| 489 | |
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| 490 | def clear(self): |
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| 491 | """ |
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| 492 | Clear the slicer and all connected events related to this slicer |
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| 493 | """ |
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| 494 | self.clear_markers() |
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| 495 | self.outer_circle.clear() |
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| 496 | self.base.connect.clearall() |
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| 497 | #self.base.Unbind(EVT_SLICER_PARS) |
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| 498 | |
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| 499 | def update(self): |
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| 500 | """ |
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| 501 | Respond to changes in the model by recalculating the profiles and |
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| 502 | resetting the widgets. |
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| 503 | """ |
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| 504 | # Update locations |
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| 505 | self.outer_circle.update() |
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| 506 | #if self.is_inside != None: |
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| 507 | out = self._post_data() |
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| 508 | return out |
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| 509 | |
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| 510 | def save(self, ev): |
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| 511 | """ |
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| 512 | Remember the roughness for this layer and the next so that we |
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| 513 | can restore on Esc. |
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| 514 | """ |
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| 515 | self.base.freeze_axes() |
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| 516 | self.outer_circle.save(ev) |
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| 517 | |
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| 518 | def _post_data(self): |
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| 519 | """ |
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| 520 | Uses annulus parameters to plot averaged data into 1D data. |
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| 521 | |
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| 522 | :param nbins: the number of points to plot |
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| 523 | |
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| 524 | """ |
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| 525 | #Data to average |
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| 526 | data = self.base.data |
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| 527 | |
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| 528 | # If we have no data, just return |
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| 529 | if data == None: |
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| 530 | return |
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| 531 | mask = data.mask |
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| 532 | from DataLoader.manipulations import Ringcut |
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| 533 | |
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| 534 | rmin = 0 |
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| 535 | rmax = math.fabs(self.outer_circle.get_radius()) |
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| 536 | |
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| 537 | ## create the data1D Q average of data2D |
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| 538 | mask = Ringcut(r_min=rmin, r_max= rmax) |
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| 539 | |
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| 540 | if self.is_inside: |
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| 541 | out = (mask(data) == False) |
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| 542 | else: |
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| 543 | out = (mask(data)) |
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| 544 | #self.base.data.mask=out |
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| 545 | return out |
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| 546 | |
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| 547 | |
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| 548 | def moveend(self, ev): |
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| 549 | """ |
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| 550 | Called when any dragging motion ends. |
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| 551 | Post an event (type =SlicerParameterEvent) |
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| 552 | to plotter 2D with a copy slicer parameters |
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| 553 | Call _post_data method |
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| 554 | """ |
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| 555 | self.base.thaw_axes() |
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| 556 | # create a 1D data plot |
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| 557 | self._post_data() |
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| 558 | |
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| 559 | def restore(self): |
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| 560 | """ |
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| 561 | Restore the roughness for this layer. |
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| 562 | """ |
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| 563 | self.outer_circle.restore() |
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| 564 | |
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| 565 | def move(self, x, y, ev): |
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| 566 | """ |
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| 567 | Process move to a new position, making sure that the move is allowed. |
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| 568 | """ |
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| 569 | pass |
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| 570 | |
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| 571 | def set_cursor(self, x, y): |
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| 572 | pass |
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| 573 | |
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| 574 | def get_params(self): |
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| 575 | """ |
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| 576 | Store a copy of values of parameters of the slicer into a dictionary. |
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| 577 | |
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| 578 | :return params: the dictionary created |
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| 579 | |
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| 580 | """ |
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| 581 | params = {} |
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| 582 | params["outer_radius"] = math.fabs(self.outer_circle._inner_mouse_x) |
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| 583 | return params |
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| 584 | |
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| 585 | def set_params(self, params): |
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| 586 | """ |
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| 587 | Receive a dictionary and reset the slicer with values contained |
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| 588 | in the values of the dictionary. |
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| 589 | |
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| 590 | :param params: a dictionary containing name of slicer parameters and |
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| 591 | values the user assigned to the slicer. |
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| 592 | """ |
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| 593 | outer = math.fabs(params["outer_radius"] ) |
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| 594 | ## Update the picture |
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| 595 | self.outer_circle.set_cursor(outer, self.outer_circle._inner_mouse_y) |
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| 596 | ## Post the data given the nbins entered by the user |
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| 597 | self._post_data() |
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| 598 | |
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| 599 | def freeze_axes(self): |
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| 600 | self.base.freeze_axes() |
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| 601 | |
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| 602 | def thaw_axes(self): |
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| 603 | self.base.thaw_axes() |
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| 604 | |
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| 605 | def draw(self): |
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| 606 | self.base.update() |
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| 607 | |
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