| 1 | import os
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| 2 | import matplotlib
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| 3 | ######################################
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| 4 | ## Add CASA custom toolbar ##
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| 5 | ######################################
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| 6 | class CustomToolbarCommon:
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| 7 | def __init__(self,parent):
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| 8 | self.plotter=parent
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| 9 | #self.figmgr=self.plotter._plotter.figmgr
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| 10 |
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| 11 | ### select the nearest spectrum in pick radius
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| 12 | ### and display spectral value on the toolbar.
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| 13 | def _select_spectrum(self,event):
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| 14 | # Do not fire event when in zooming/panning mode
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| 15 | mode = self.figmgr.toolbar.mode
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| 16 | if not mode == '':
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| 17 | return
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| 18 | # When selected point is out of panels
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| 19 | if event.inaxes == None:
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| 20 | return
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| 21 | # If not left button
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| 22 | if event.button != 1:
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| 23 | return
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| 24 |
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| 25 | xclick=event.xdata
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| 26 | yclick=event.ydata
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| 27 | dist2=1000.
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| 28 | pickline=None
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| 29 | # If the pannel has picable objects
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| 30 | pflag=False
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| 31 | for lin in event.inaxes.lines:
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| 32 | if not lin.pickable():
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| 33 | continue
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| 34 | pflag=True
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| 35 | flag,pind = lin.contains(event)
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| 36 | if not flag:
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| 37 | continue
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| 38 | # Get nearest point
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| 39 | inds = pind['ind']
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| 40 | xlin = lin.get_xdata()
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| 41 | ylin = lin.get_ydata()
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| 42 | for i in inds:
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| 43 | d2=(xlin[i]-xclick)**2+(ylin[i]-yclick)**2
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| 44 | if dist2 >= d2:
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| 45 | dist2 = d2
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| 46 | pickline = lin
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| 47 | # No pickcable line in the pannel
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| 48 | if not pflag:
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| 49 | return
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| 50 | # Pickable but too far from mouse position
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| 51 | elif pickline is None:
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| 52 | picked='No line selected.'
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| 53 | self.figmgr.toolbar.set_message(picked)
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| 54 | return
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| 55 | del pind, inds, xlin, ylin
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| 56 | # Spectra are Picked
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| 57 | theplot = self.plotter._plotter
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| 58 | thetoolbar = self.figmgr.toolbar
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| 59 | thecanvas = self.figmgr.canvas
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| 60 | # Disconnect the default motion notify event
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| 61 | # Notice! the other buttons are also diabled!!!
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| 62 | thecanvas.mpl_disconnect(thetoolbar._idDrag)
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| 63 | # Get picked spectrum
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| 64 | xdata = pickline.get_xdata()
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| 65 | ydata = pickline.get_ydata()
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| 66 | titl=pickline.get_label()
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| 67 | titp=event.inaxes.title.get_text()
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| 68 | panel0=event.inaxes
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| 69 | picked="Selected: '"+titl+"' in panel '"+titp+"'."
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| 70 | thetoolbar.set_message(picked)
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| 71 | # Generate a navigation window
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| 72 | #naviwin=Navigationwindow(titp,titl)
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| 73 | #------------------------------------------------------#
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| 74 | # Show spectrum data at mouse position
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| 75 | def spec_data(event):
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| 76 | # Getting spectrum data of neiboring point
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| 77 | xclick=event.xdata
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| 78 | if event.inaxes != panel0:
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| 79 | return
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| 80 | ipoint=len(xdata)-1
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| 81 | for i in range(len(xdata)-1):
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| 82 | xl=xclick-xdata[i]
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| 83 | xr=xclick-xdata[i+1]
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| 84 | if xl*xr <= 0.:
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| 85 | ipoint = i
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| 86 | break
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| 87 | # Output spectral value on the navigation window
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| 88 | posi='[ %s, %s ]: x = %.2f value = %.2f'\
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| 89 | %(titl,titp,xdata[ipoint],ydata[ipoint])
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| 90 | #naviwin.posi.set(posi)
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| 91 | thetoolbar.set_message(posi)
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| 92 | #------------------------------------------------------#
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| 93 | # Disconnect from mouse events
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| 94 | def discon(event):
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| 95 | #naviwin.window.destroy()
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| 96 | theplot.register('motion_notify',None)
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| 97 | # Re-activate the default motion_notify_event
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| 98 | thetoolbar._idDrag=thecanvas.mpl_connect('motion_notify_event',
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| 99 | thetoolbar.mouse_move)
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| 100 | theplot.register('button_release',None)
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| 101 | return
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| 102 | #------------------------------------------------------#
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| 103 | # Show data value along with mouse movement
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| 104 | theplot.register('motion_notify',spec_data)
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| 105 | # Finish events when mouse button is released
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| 106 | theplot.register('button_release',discon)
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| 107 |
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| 108 |
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| 109 | ### Calculate statistics of the selected area.
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| 110 | def _single_mask(self,event):
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| 111 | # Do not fire event when in zooming/panning mode
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| 112 | if not self.figmgr.toolbar.mode == '':
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| 113 | return
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| 114 | # When selected point is out of panels
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| 115 | if event.inaxes == None:
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| 116 | return
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| 117 | if event.button ==1:
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| 118 | baseinv=True
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| 119 | elif event.button == 3:
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| 120 | baseinv=False
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| 121 | else:
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| 122 | return
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| 123 |
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| 124 | def _calc_stats():
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| 125 | msk=mymask.get_mask()
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| 126 | mymask.scan.stats(stat='max',mask=msk)
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| 127 | mymask.scan.stats(stat='min',mask=msk)
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| 128 | mymask.scan.stats(stat='sum',mask=msk)
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| 129 | mymask.scan.stats(stat='mean',mask=msk)
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| 130 | mymask.scan.stats(stat='median',mask=msk)
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| 131 | mymask.scan.stats(stat='rms',mask=msk)
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| 132 | mymask.scan.stats(stat='stddev',mask=msk)
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| 133 |
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| 134 | # Interactive mask definition
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| 135 | from asap.interactivemask import interactivemask
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| 136 | mymask=interactivemask(plotter=self.plotter,scan=self.plotter._data)
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| 137 | # Create initial mask
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| 138 | mymask.set_basemask(invert=baseinv)
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| 139 | # Inherit event
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| 140 | mymask.set_startevent(event)
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| 141 | # Set callback func
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| 142 | mymask.set_callback(_calc_stats)
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| 143 | # Selected mask
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| 144 | mymask.select_mask(once=True,showmask=False)
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| 145 |
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| 146 | #####################################
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| 147 | ## Backend dependent Classes ##
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| 148 | #####################################
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| 149 | ### TkAgg
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| 150 | if matplotlib.get_backend() == 'TkAgg':
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| 151 | import Tkinter as Tk
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| 152 |
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| 153 | class CustomToolbarTkAgg(CustomToolbarCommon, Tk.Frame):
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| 154 | def __init__(self,parent):
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| 155 | from asap.asapplotter import asapplotter
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| 156 | if not isinstance(parent,asapplotter):
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| 157 | return False
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| 158 | if not parent._plotter:
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| 159 | return False
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| 160 | self._p=parent._plotter
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| 161 | self.figmgr=self._p.figmgr
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| 162 | self.canvas=self.figmgr.canvas
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| 163 | self.mode=''
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| 164 | self.button=True
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| 165 | self._add_custom_toolbar()
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| 166 | CustomToolbarCommon.__init__(self,parent)
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| 167 |
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| 168 | def _add_custom_toolbar(self):
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| 169 | Tk.Frame.__init__(self,master=self.figmgr.window)
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| 170 | self.bSpec=self._NewButton(master=self,
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| 171 | text='spec value',
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| 172 | command=self.spec_show)
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| 173 | self.bStat=self._NewButton(master=self,
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| 174 | text='statistics',
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| 175 | command=self.stat_cal)
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| 176 | self.bQuit=self._NewButton(master=self,
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| 177 | text='Quit',
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| 178 | command=self.quit,
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| 179 | side=Tk.RIGHT)
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| 180 | self.pack(side=Tk.BOTTOM,fill=Tk.BOTH)
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| 181 |
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| 182 | self.disable_button()
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| 183 | return #self
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| 184 |
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| 185 | def _NewButton(self, master, text, command, side=Tk.LEFT):
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| 186 | if os.uname()[0] == 'Darwin':
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| 187 | b = Tk.Button(master=master, text=text, command=command)
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| 188 | else:
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| 189 | b = Tk.Button(master=master, text=text, padx=2, pady=2,
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| 190 | command=command)
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| 191 | b.pack(side=side)
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| 192 | return b
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| 193 |
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| 194 | def spec_show(self):
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| 195 | if not self.figmgr.toolbar.mode == '' or not self.button: return
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| 196 | self.figmgr.toolbar.set_message('spec value: drag on a spec')
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| 197 | if self.mode == 'spec': return
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| 198 | self.bStat.config(relief='raised')
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| 199 | self.bSpec.config(relief='sunken')
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| 200 | self.mode='spec'
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| 201 | self.__disconnect_event()
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| 202 | #self.canvas.mpl_connect('button_press_event',self._select_spectrum)
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| 203 | self._p.register('button_press',self._select_spectrum)
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| 204 |
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| 205 | def stat_cal(self):
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| 206 | if not self.figmgr.toolbar.mode == '' or not self.button: return
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| 207 | self.figmgr.toolbar.set_message('statistics: select a region')
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| 208 | if self.mode == 'stat': return
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| 209 | self.bSpec.config(relief='raised')
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| 210 | self.bStat.config(relief='sunken')
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| 211 | self.mode='stat'
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| 212 | self.__disconnect_event()
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| 213 | self._p.register('button_press',self._single_mask)
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| 214 |
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| 215 | def quit(self):
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| 216 | self.__disconnect_event()
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| 217 | #self.delete_bar()
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| 218 | self.disable_button()
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| 219 | self.figmgr.window.wm_withdraw()
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| 220 |
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| 221 | def enable_button(self):
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| 222 | if self.button: return
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| 223 | self.bSpec.config(state=Tk.NORMAL)
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| 224 | self.bStat.config(state=Tk.NORMAL)
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| 225 | self.button=True
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| 226 | self.spec_show()
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| 227 |
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| 228 | def disable_button(self):
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| 229 | if not self.button: return
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| 230 | self.bStat.config(relief='raised', state=Tk.DISABLED)
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| 231 | self.bSpec.config(relief='raised', state=Tk.DISABLED)
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| 232 | self.button=False
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| 233 | self.mode=''
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| 234 | self.__disconnect_event()
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| 235 |
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| 236 | def delete_bar(self):
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| 237 | self.__disconnect_event()
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| 238 | self.destroy()
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| 239 |
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| 240 | def __disconnect_event(self):
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| 241 | #idP=self.figmgr.toolbar._idPress
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| 242 | #idR=self.figmgr.toolbar._idRelease
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| 243 | #if idP is not None:
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| 244 | # self.canvas.mpl_disconnect(idP)
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| 245 | # self.figmgr.toolbar._idPress=None
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| 246 | #if idR is not None:
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| 247 | # self.canvas.mpl_disconnect(idR)
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| 248 | # self.figmgr.toolbar._idRelease=None
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| 249 | self._p.register('button_press',None)
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| 250 | self._p.register('button_release',None)
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