[1bf33c1] | 1 | """ |
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| 2 | This software was developed by the University of Tennessee as part of the |
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| 3 | Distributed Data Analysis of Neutron Scattering Experiments (DANSE) |
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| 4 | project funded by the US National Science Foundation. |
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| 5 | |
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| 6 | See the license text in license.txt |
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| 7 | |
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| 8 | copyright 2008, University of Tennessee |
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| 9 | """ |
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| 10 | |
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| 11 | |
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| 12 | import wx |
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| 13 | import sys |
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| 14 | import danse.common.plottools |
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| 15 | from danse.common.plottools.PlotPanel import PlotPanel |
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| 16 | from danse.common.plottools.plottables import Graph,Data1D |
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| 17 | from sans.guicomm.events import EVT_NEW_PLOT |
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| 18 | from sans.guicomm.events import StatusEvent ,NewPlotEvent |
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| 19 | |
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| 20 | |
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| 21 | from SlicerParameters import SlicerEvent |
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| 22 | from binder import BindArtist |
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| 23 | (InternalEvent, EVT_INTERNAL) = wx.lib.newevent.NewEvent() |
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| 24 | #from SlicerParameters import SlicerEvent |
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| 25 | #(InternalEvent, EVT_INTERNAL) = wx.lib.newevent.NewEvent() |
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| 26 | DEFAULT_QMAX = 0.05 |
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| 27 | |
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| 28 | DEFAULT_QSTEP = 0.001 |
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| 29 | DEFAULT_BEAM = 0.005 |
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| 30 | BIN_WIDTH =1 |
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| 31 | import pylab |
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| 32 | |
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| 33 | class PanelMenu(wx.Menu): |
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| 34 | plots = None |
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| 35 | graph = None |
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| 36 | |
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| 37 | def set_plots(self, plots): |
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| 38 | self.plots = plots |
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| 39 | |
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| 40 | def set_graph(self, graph): |
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| 41 | self.graph = graph |
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| 42 | class ModelPanel1D(PlotPanel): |
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| 43 | """ |
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| 44 | Plot panel for use with the GUI manager |
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| 45 | """ |
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| 46 | |
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| 47 | ## Internal name for the AUI manager |
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| 48 | window_name = "plotpanel" |
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| 49 | ## Title to appear on top of the window |
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| 50 | window_caption = "Plot Panel" |
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| 51 | ## Flag to tell the GUI manager that this panel is not |
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| 52 | # tied to any perspective |
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| 53 | ALWAYS_ON = True |
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| 54 | ## Group ID |
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| 55 | group_id = None |
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| 56 | |
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| 57 | def __init__(self, parent, id = -1, color = None,\ |
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| 58 | dpi = None, style = wx.NO_FULL_REPAINT_ON_RESIZE, **kwargs): |
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| 59 | """ |
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| 60 | Initialize the panel |
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| 61 | """ |
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| 62 | PlotPanel.__init__(self, parent, id = id, style = style, **kwargs) |
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| 63 | |
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| 64 | ## Reference to the parent window |
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| 65 | self.parent = parent |
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| 66 | ## Plottables |
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| 67 | self.plots = {} |
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| 68 | |
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| 69 | ## Unique ID (from gui_manager) |
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| 70 | self.uid = None |
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| 71 | |
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| 72 | ## Action IDs for internal call-backs |
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| 73 | self.action_ids = {} |
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| 74 | |
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| 75 | ## Graph |
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| 76 | self.graph = Graph() |
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| 77 | self.graph.xaxis("\\rm{Q}", 'A^{-1}') |
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| 78 | self.graph.yaxis("\\rm{Intensity} ","cm^{-1}") |
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| 79 | self.graph.render(self) |
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| 80 | |
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| 81 | def _reset(self): |
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| 82 | """ |
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| 83 | Resets internal data and graph |
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| 84 | """ |
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| 85 | self.graph.reset() |
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| 86 | self.plots = {} |
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| 87 | self.action_ids = {} |
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| 88 | |
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| 89 | def _onEVT_1DREPLOT(self, event): |
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| 90 | """ |
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| 91 | Data is ready to be displayed |
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| 92 | @param event: data event |
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| 93 | """ |
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[ffd23b5] | 94 | |
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[1bf33c1] | 95 | #TODO: Check for existence of plot attribute |
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| 96 | |
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| 97 | # Check whether this is a replot. If we ask for a replot |
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| 98 | # and the plottable no longer exists, ignore the event. |
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| 99 | if hasattr(event, "update") and event.update==True \ |
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| 100 | and event.plot.name not in self.plots.keys(): |
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| 101 | return |
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| 102 | |
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| 103 | if hasattr(event, "reset"): |
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| 104 | self._reset() |
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| 105 | |
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| 106 | is_new = True |
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| 107 | if event.plot.name in self.plots.keys(): |
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| 108 | # Check whether the class of plottable changed |
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| 109 | if not event.plot.__class__==self.plots[event.plot.name].__class__: |
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[ab8f936] | 110 | #overwrite a plottable using the same name |
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[1bf33c1] | 111 | self.graph.delete(self.plots[event.plot.name]) |
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| 112 | else: |
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[ab8f936] | 113 | # plottable is already draw on the panel |
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[1bf33c1] | 114 | is_new = False |
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[ffd23b5] | 115 | |
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| 116 | |
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[ab8f936] | 117 | |
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[1bf33c1] | 118 | if is_new: |
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[ab8f936] | 119 | # a new plottable overwrites a plotted one using the same id |
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| 120 | for plottable in self.plots.itervalues(): |
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| 121 | if event.plot.id==plottable.id : |
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| 122 | self.graph.delete(plottable) |
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| 123 | |
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[1bf33c1] | 124 | self.plots[event.plot.name] = event.plot |
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| 125 | self.graph.add(self.plots[event.plot.name]) |
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| 126 | else: |
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[ab8f936] | 127 | #replot the graph |
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[1bf33c1] | 128 | self.plots[event.plot.name].x = event.plot.x |
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| 129 | self.plots[event.plot.name].y = event.plot.y |
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| 130 | self.plots[event.plot.name].dy = event.plot.dy |
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| 131 | if hasattr(event.plot, 'dx') and hasattr(self.plots[event.plot.name], 'dx'): |
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| 132 | self.plots[event.plot.name].dx = event.plot.dx |
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| 133 | |
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| 134 | |
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| 135 | # Check axis labels |
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| 136 | #TODO: Should re-factor this |
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| 137 | #if event.plot._xunit != self.graph.prop["xunit"]: |
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[ffd23b5] | 138 | |
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[1bf33c1] | 139 | self.graph.xaxis(event.plot._xaxis, event.plot._xunit) |
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| 140 | |
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| 141 | #if event.plot._yunit != self.graph.prop["yunit"]: |
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| 142 | self.graph.yaxis(event.plot._yaxis, event.plot._yunit) |
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| 143 | |
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| 144 | # Set the view scale for all plots |
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[ef0c170] | 145 | |
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[1bf33c1] | 146 | self._onEVT_FUNC_PROPERTY() |
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[ef0c170] | 147 | |
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[1bf33c1] | 148 | self.graph.render(self) |
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| 149 | self.subplot.figure.canvas.draw_idle() |
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| 150 | |
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| 151 | def onLeftDown(self,event): |
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| 152 | """ left button down and ready to drag""" |
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| 153 | |
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| 154 | PlotPanel.onLeftDown(self, event) |
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| 155 | ax = event.inaxes |
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| 156 | if ax != None: |
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| 157 | position = "x: %8.3g y: %8.3g" % (event.xdata, event.ydata) |
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| 158 | wx.PostEvent(self.parent, StatusEvent(status=position)) |
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| 159 | |
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| 160 | def _onRemove(self, event): |
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| 161 | """ |
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| 162 | """ |
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| 163 | if not self.graph.selected_plottable == None: |
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| 164 | print self.graph.selected_plottable |
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| 165 | |
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| 166 | |
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| 167 | self.graph.delete(self.plots[self.graph.selected_plottable]) |
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| 168 | del self.plots[self.graph.selected_plottable] |
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| 169 | self.graph.render(self) |
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| 170 | self.subplot.figure.canvas.draw_idle() |
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| 171 | |
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| 172 | |
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| 173 | def onContextMenu(self, event): |
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| 174 | """ |
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| 175 | 1D plot context menu |
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| 176 | @param event: wx context event |
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| 177 | """ |
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| 178 | #slicerpop = wx.Menu() |
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| 179 | slicerpop = PanelMenu() |
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| 180 | slicerpop.set_plots(self.plots) |
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| 181 | slicerpop.set_graph(self.graph) |
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| 182 | |
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| 183 | # Option to save the data displayed |
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| 184 | |
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| 185 | #for plot in self.graph.plottables: |
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| 186 | if self.graph.selected_plottable in self.plots: |
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| 187 | plot = self.plots[self.graph.selected_plottable] |
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| 188 | id = wx.NewId() |
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| 189 | name = plot.name |
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| 190 | slicerpop.Append(id, "&Save %s points" % name) |
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| 191 | self.action_ids[str(id)] = plot |
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| 192 | wx.EVT_MENU(self, id, self._onSave) |
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| 193 | |
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| 194 | # Option to delete plottable |
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| 195 | id = wx.NewId() |
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| 196 | slicerpop.Append(id, "Remove %s curve" % name) |
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| 197 | self.action_ids[str(id)] = plot |
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| 198 | wx.EVT_MENU(self, id, self._onRemove) |
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| 199 | |
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| 200 | # Option to hide |
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| 201 | #TODO: implement functionality to hide a plottable (legend click) |
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| 202 | slicerpop.AppendSeparator() |
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| 203 | |
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| 204 | # Various plot options |
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| 205 | id = wx.NewId() |
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| 206 | slicerpop.Append(id,'&Save image', 'Save image as PNG') |
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| 207 | wx.EVT_MENU(self, id, self.onSaveImage) |
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| 208 | |
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| 209 | |
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| 210 | item_list = self.parent.get_context_menu(self.graph) |
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| 211 | if (not item_list==None) and (not len(item_list)==0): |
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| 212 | slicerpop.AppendSeparator() |
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| 213 | for item in item_list: |
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| 214 | try: |
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| 215 | id = wx.NewId() |
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| 216 | slicerpop.Append(id, item[0], item[1]) |
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| 217 | wx.EVT_MENU(self, id, item[2]) |
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| 218 | except: |
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| 219 | print sys.exc_value |
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| 220 | print RuntimeError, "View1DPanel.onContextMenu: bad menu item" |
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| 221 | |
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| 222 | slicerpop.AppendSeparator() |
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| 223 | |
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| 224 | if self.graph.selected_plottable in self.plots: |
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| 225 | if self.plots[self.graph.selected_plottable].__class__.__name__=="Theory1D": |
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| 226 | id = wx.NewId() |
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| 227 | slicerpop.Append(id, '&Add errors to data') |
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[ffd23b5] | 228 | #print "panel scale before ",self.xLabel, self.yLabel |
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| 229 | #print "cyllinder before adding error", self.plots[self.graph.selected_plottable].x |
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[1bf33c1] | 230 | wx.EVT_MENU(self, id, self._on_add_errors) |
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| 231 | else: |
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| 232 | id = wx.NewId() |
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| 233 | slicerpop.Append(id, '&Linear fit') |
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| 234 | wx.EVT_MENU(self, id, self.onFitting) |
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| 235 | |
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| 236 | |
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| 237 | |
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| 238 | id = wx.NewId() |
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| 239 | slicerpop.Append(id, '&Change scale') |
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| 240 | wx.EVT_MENU(self, id, self._onProperties) |
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| 241 | |
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| 242 | id = wx.NewId() |
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| 243 | #slicerpop.AppendSeparator() |
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| 244 | slicerpop.Append(id, '&Reset Graph') |
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| 245 | wx.EVT_MENU(self, id, self.onResetGraph) |
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| 246 | |
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| 247 | pos = event.GetPosition() |
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| 248 | pos = self.ScreenToClient(pos) |
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| 249 | self.PopupMenu(slicerpop, pos) |
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| 250 | |
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| 251 | |
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| 252 | def _on_add_errors(self, evt): |
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| 253 | """ |
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| 254 | Compute reasonable errors for a data set without |
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| 255 | errors and transorm the plottable to a Data1D |
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| 256 | """ |
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| 257 | import math |
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| 258 | import numpy |
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| 259 | import time |
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| 260 | |
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| 261 | if not self.graph.selected_plottable == None: |
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| 262 | length = len(self.plots[self.graph.selected_plottable].x) |
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| 263 | dy = numpy.zeros(length) |
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| 264 | for i in range(length): |
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| 265 | dy[i] = math.sqrt(self.plots[self.graph.selected_plottable].y[i]) |
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| 266 | |
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| 267 | new_plot = Data1D(self.plots[self.graph.selected_plottable].x, |
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| 268 | self.plots[self.graph.selected_plottable].y, |
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| 269 | dy=dy) |
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| 270 | new_plot.interactive = True |
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| 271 | new_plot.name = self.plots[self.graph.selected_plottable].name |
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| 272 | if hasattr(self.plots[self.graph.selected_plottable], "group_id"): |
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| 273 | new_plot.group_id = self.plots[self.graph.selected_plottable].group_id |
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[d1dd9d4] | 274 | new_plot.id = self.plots[self.graph.selected_plottable].id |
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[1bf33c1] | 275 | else: |
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| 276 | new_plot.group_id = str(time.time()) |
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[d1dd9d4] | 277 | new_plot.id = str(time.time()) |
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[1bf33c1] | 278 | |
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| 279 | label, unit = self.plots[self.graph.selected_plottable].get_xaxis() |
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| 280 | new_plot.xaxis(label, unit) |
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| 281 | label, unit = self.plots[self.graph.selected_plottable].get_yaxis() |
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| 282 | new_plot.yaxis(label, unit) |
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[ffd23b5] | 283 | #print "panel scale ",self.xLabel, self.yLabel |
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[1bf33c1] | 284 | self.graph.delete(self.plots[self.graph.selected_plottable]) |
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| 285 | |
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| 286 | self.graph.add(new_plot) |
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[ffd23b5] | 287 | # transforming the view of the new data into the same of the previous data |
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| 288 | self._onEVT_FUNC_PROPERTY() |
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| 289 | #print "cyllinder", self.plots[self.graph.selected_plottable].x,self.plots[self.graph.selected_plottable].view.x, new_plot.x, new_plot.view.x |
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[1bf33c1] | 290 | self.plots[self.graph.selected_plottable]=new_plot |
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| 291 | |
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| 292 | self.graph.render(self) |
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| 293 | self.subplot.figure.canvas.draw_idle() |
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| 294 | |
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| 295 | def _onSave(self, evt): |
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| 296 | """ |
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| 297 | Save a data set to a text file |
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| 298 | @param evt: Menu event |
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| 299 | """ |
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| 300 | import os |
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| 301 | id = str(evt.GetId()) |
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| 302 | if id in self.action_ids: |
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| 303 | |
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| 304 | path = None |
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| 305 | dlg = wx.FileDialog(self, "Choose a file", os.getcwd(), "", "*.txt", wx.SAVE) |
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| 306 | if dlg.ShowModal() == wx.ID_OK: |
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| 307 | path = dlg.GetPath() |
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| 308 | mypath = os.path.basename(path) |
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| 309 | print path |
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| 310 | dlg.Destroy() |
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| 311 | |
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| 312 | if not path == None: |
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| 313 | out = open(path, 'w') |
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| 314 | has_errors = True |
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| 315 | if self.action_ids[id].dy==None or self.action_ids[id].dy==[]: |
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| 316 | has_errors = False |
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| 317 | |
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| 318 | # Sanity check |
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| 319 | if has_errors: |
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| 320 | try: |
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| 321 | if len(self.action_ids[id].y) != len(self.action_ids[id].dy): |
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| 322 | print "Y and dY have different lengths" |
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| 323 | has_errors = False |
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| 324 | except: |
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| 325 | has_errors = False |
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| 326 | |
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| 327 | if has_errors: |
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| 328 | out.write("<X> <Y> <dY>\n") |
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| 329 | else: |
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| 330 | out.write("<X> <Y>\n") |
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| 331 | |
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| 332 | for i in range(len(self.action_ids[id].x)): |
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| 333 | if has_errors: |
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| 334 | out.write("%g %g %g\n" % (self.action_ids[id].x[i], |
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| 335 | self.action_ids[id].y[i], |
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| 336 | self.action_ids[id].dy[i])) |
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| 337 | else: |
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| 338 | out.write("%g %g\n" % (self.action_ids[id].x[i], |
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| 339 | self.action_ids[id].y[i])) |
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| 340 | |
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| 341 | out.close() |
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| 342 | |
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| 343 | |
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| 344 | def _onToggleScale(self, event): |
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| 345 | if self.get_yscale() == 'log': |
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| 346 | self.set_yscale('linear') |
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| 347 | else: |
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| 348 | self.set_yscale('log') |
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| 349 | self.subplot.figure.canvas.draw_idle() |
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| 350 | |
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