Source code for sas.sasgui.guiframe.local_perspectives.plotting.masking

"""
    Mask editor
"""
################################################################################
# This software was developed by the University of Tennessee as part of the
# Distributed Data Analysis of Neutron Scattering Experiments (DANSE)
# project funded by the US National Science Foundation.
#
# If you use DANSE applications to do scientific research that leads to
# publication, we ask that you acknowledge the use of the software with the
# following sentence:
#
# This work benefited from DANSE software developed under NSF award DMR-0520547.
#
# copyright 2008, University of Tennessee
################################################################################


# #Todo: cleaning up, improving the maskplotpanel initialization, and testing.
import wx
import sys
import time
import matplotlib.cm as cm
import math
import copy
import numpy
from sas.sasgui.plottools.PlotPanel import PlotPanel
from sas.sasgui.plottools.plottables import Graph
from binder import BindArtist
from sas.sasgui.guiframe.dataFitting import Data1D, Data2D
from boxMask import BoxMask
from sector_mask import SectorMask
from AnnulusSlicer import CircularMask

from sas.sasgui.guiframe.events import SlicerEvent
from sas.sasgui.guiframe.events import StatusEvent
from functools import partial

(InternalEvent, EVT_INTERNAL) = wx.lib.newevent.NewEvent()

DEFAULT_CMAP = cm.get_cmap('jet')
_BOX_WIDTH = 76
_SCALE = 1e-6
_STATICBOX_WIDTH = 380

# SLD panel size
if sys.platform.count("win32") > 0:
    PANEL_SIZE = 350
    FONT_VARIANT = 0
else:
    PANEL_SIZE = 300
    FONT_VARIANT = 1

from sas.sascalc.data_util.calcthread import CalcThread

[docs]class CalcPlot(CalcThread): """ Compute Resolution """ def __init__(self, id=-1, panel=None, image=None, completefn=None, updatefn=None, elapsed=0, yieldtime=0.01, worktime=0.01): """ """ CalcThread.__init__(self, completefn, updatefn, yieldtime, worktime) self.starttime = 0 self.id = id self.panel = panel self.image = image
[docs] def compute(self): """ excuting computation """ elapsed = time.time() - self.starttime self.complete(panel=self.panel, image=self.image, elapsed=elapsed)
[docs]class MaskPanel(wx.Dialog): """ Provides the Mask Editor GUI. """ # # Internal nickname for the window, used by the AUI manager window_name = "Mask Editor" # # Name to appear on the window title bar window_caption = "Mask Editor" # # Flag to tell the AUI manager to put this panel in the center pane CENTER_PANE = True def __init__(self, parent=None, base=None, data=None, id=-1, *args, **kwds): kwds["style"] = wx.DEFAULT_DIALOG_STYLE kwds["size"] = wx.Size(_STATICBOX_WIDTH * 0.8, PANEL_SIZE) wx.Dialog.__init__(self, parent, id=id, *args, **kwds) if data != None: # Font size kwds = [] self.SetWindowVariant(variant=FONT_VARIANT) self.SetTitle("Mask Editor for " + data.name) self.parent = base self.data = data self.str = self.data.__str__() # # mask for 2D self.mask = data.mask self.default_mask = copy.deepcopy(data.mask) # # masked data from GUI self.slicer_mask = None self.slicer = None self.slicer_z = 5 self.data.interactive = True # # when 2 data have the same id override the 1 st plotted self.name = self.data.name # Panel for 2D plot self.plotpanel = Maskplotpanel(self, -1, style=wx.TRANSPARENT_WINDOW) self.cmap = DEFAULT_CMAP # # Create Artist and bind it self.subplot = self.plotpanel.subplot self.connect = BindArtist(self.subplot.figure) self._setup_layout() self.newplot = Data2D(image=self.data.data) self.newplot.setValues(self.data) self.plotpanel.add_image(self.newplot) self._update_mask(self.mask) self.Centre() self.Layout() # bind evt_close to _draw in fitpage self.Bind(wx.EVT_CLOSE, self.OnClose)
[docs] def ShowMessage(self, msg=''): """ Show error message when mask covers whole data area """ mssg = 'Erase, redraw or clear the mask. \n\r' mssg += 'The data range can not be completely masked... \n\r' mssg += msg wx.MessageBox(mssg, 'Error', wx.OK | wx.ICON_ERROR)
def _setup_layout(self): """ Set up the layout """ note = "Note: This masking applies\n only to %s." % self.data.name note_txt = wx.StaticText(self, -1, note) note_txt.SetForegroundColour(wx.RED) shape = "Select a Shape for Masking:" # panel sizer = wx.GridBagSizer(10, 10) #---------inputs---------------- shape_txt = wx.StaticText(self, -1, shape) sizer.Add(shape_txt, (1, 1), flag=wx.TOP | wx.LEFT | wx.BOTTOM, border=5) self.innersector_rb = wx.RadioButton(self, -1, "Double Wings") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=SectorMask, inside=True), id=self.innersector_rb.GetId()) sizer.Add(self.innersector_rb, (2, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.innercircle_rb = wx.RadioButton(self, -1, "Circular Disk") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=CircularMask, inside=True), id=self.innercircle_rb.GetId()) sizer.Add(self.innercircle_rb, (3, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.innerbox_rb = wx.RadioButton(self, -1, "Rectangular Disk") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=BoxMask, inside=True), id=self.innerbox_rb.GetId()) sizer.Add(self.innerbox_rb, (4, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.outersector_rb = wx.RadioButton(self, -1, "Double Wing Window") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=SectorMask, inside=False), id=self.outersector_rb.GetId()) sizer.Add(self.outersector_rb, (5, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.outercircle_rb = wx.RadioButton(self, -1, "Circular Window") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=CircularMask, inside=False), id=self.outercircle_rb.GetId()) sizer.Add(self.outercircle_rb, (6, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.outerbox_rb = wx.RadioButton(self, -1, "Rectangular Window") self.Bind(wx.EVT_RADIOBUTTON, partial(self._on_mask, slicer=BoxMask, inside=False), id=self.outerbox_rb.GetId()) sizer.Add(self.outerbox_rb, (7, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) sizer.Add(note_txt, (8, 1), flag=wx.RIGHT | wx.BOTTOM, border=5) self.innercircle_rb.SetValue(False) self.outercircle_rb.SetValue(False) self.innerbox_rb.SetValue(False) self.outerbox_rb.SetValue(False) self.innersector_rb.SetValue(False) self.outersector_rb.SetValue(False) sizer.Add(self.plotpanel, (0, 2), (13, 13), wx.EXPAND | wx.LEFT | wx.RIGHT, 15) #-----Buttons------------1 id_button = wx.NewId() button_add = wx.Button(self, id_button, "Add") button_add.SetToolTipString("Add the mask drawn.") button_add.Bind(wx.EVT_BUTTON, self._on_add_mask, id=button_add.GetId()) sizer.Add(button_add, (13, 7)) id_button = wx.NewId() button_erase = wx.Button(self, id_button, "Erase") button_erase.SetToolTipString("Erase the mask drawn.") button_erase.Bind(wx.EVT_BUTTON, self._on_erase_mask, id=button_erase.GetId()) sizer.Add(button_erase, (13, 8)) id_button = wx.NewId() button_reset = wx.Button(self, id_button, "Reset") button_reset.SetToolTipString("Reset the mask.") button_reset.Bind(wx.EVT_BUTTON, self._on_reset_mask, id=button_reset.GetId()) sizer.Add(button_reset, (13, 9), flag=wx.RIGHT | wx.BOTTOM, border=15) id_button = wx.NewId() button_reset = wx.Button(self, id_button, "Clear") button_reset.SetToolTipString("Clear all mask.") button_reset.Bind(wx.EVT_BUTTON, self._on_clear_mask, id=button_reset.GetId()) sizer.Add(button_reset, (13, 10), flag=wx.RIGHT | wx.BOTTOM, border=15) sizer.AddGrowableCol(3) sizer.AddGrowableRow(2) self.SetSizerAndFit(sizer) self.Centre() self.Show(True) def _on_mask(self, event=None, slicer=BoxMask, inside=True): """ Draw a slicer and use it as mask :param event: wx event :param slicer: Slicer class to use :param inside: whether we mask what's inside or outside the slicer """ # get ready for next evt event.Skip() # from boxMask import BoxMask if event != None: self._on_clear_slicer(event) self.slicer_z += 1 self.slicer = slicer(self, self.subplot, zorder=self.slicer_z, side=inside) self.subplot.set_ylim(self.data.ymin, self.data.ymax) self.subplot.set_xlim(self.data.xmin, self.data.xmax) self.update() self.slicer_mask = self.slicer.update() def _on_add_mask(self, event): """ Add new mask to old mask """ if not self.slicer == None: data = Data2D() data = self.data self.slicer_mask = self.slicer.update() data.mask = self.data.mask & self.slicer_mask self._check_display_mask(data.mask, event) def _check_display_mask(self, mask, event): """ check if the mask valid and update the plot :param mask: mask data """ # # Redraw the current image self._update_mask(mask) def _on_erase_mask(self, event): """ Erase new mask from old mask """ if not self.slicer == None: self.slicer_mask = self.slicer.update() mask = self.data.mask mask[self.slicer_mask == False] = True self._check_display_mask(mask, event) def _on_reset_mask(self, event): """ Reset mask to the original mask """ self.slicer_z += 1 self.slicer = BoxMask(self, self.subplot, zorder=self.slicer_z, side=True) self.subplot.set_ylim(self.data.ymin, self.data.ymax) self.subplot.set_xlim(self.data.xmin, self.data.xmax) mask = copy.deepcopy(self.default_mask) self.data.mask = mask # update mask plot self._check_display_mask(mask, event) def _on_clear_mask(self, event): """ Clear mask """ self.slicer_z += 1 self.slicer = BoxMask(self, self.subplot, zorder=self.slicer_z, side=True) self.subplot.set_ylim(self.data.ymin, self.data.ymax) self.subplot.set_xlim(self.data.xmin, self.data.xmax) mask = numpy.ones(len(self.data.mask), dtype=bool) self.data.mask = mask # update mask plot self._check_display_mask(mask, event) def _on_clear_slicer(self, event): """ Clear the slicer on the plot """ if not self.slicer == None: self.slicer.clear() self.subplot.figure.canvas.draw() self.slicer = None
[docs] def update(self, draw=True): """ Respond to changes in the model by recalculating the profiles and resetting the widgets. """ self.plotpanel.draw()
def _set_mask(self, mask): """ Set mask """ self.data.mask = mask
[docs] def set_plot_unfocus(self): """ Not implemented """ pass
def _update_mask(self, mask): """ Respond to changes in masking """ # the case of liitle numbers of True points if len(mask[mask]) < 10 and self.data != None: self.ShowMessage() mask = copy.deepcopy(self.mask) self.data.mask = mask else: self.mask = mask # make temperary data to plot temp_mask = numpy.zeros(len(mask)) temp_data = copy.deepcopy(self.data) # temp_data default is None # This method is to distinguish between masked point and data point = 0. temp_mask = temp_mask / temp_mask temp_mask[mask] = temp_data.data[mask] # set temp_data value for self.mask==True, else still None # temp_mask[mask] = temp_data[mask] # TODO: refactor this horrible logic temp_data.data[mask == False] = temp_mask[mask == False] self.plotpanel.clear() if self.slicer != None: self.slicer.clear() self.slicer = None # Post slicer None event event = self._getEmptySlicerEvent() wx.PostEvent(self, event) # #use this method # set zmax and zmin to plot: Fix it w/ data. if self.plotpanel.scale == 'log_{10}': zmax = math.log10(max(self.data.data[self.data.data > 0])) zmin = math.log10(min(self.data.data[self.data.data > 0])) else: zmax = max(self.data.data[self.data.data > 0]) zmin = min(self.data.data[self.data.data > 0]) # plot self.plotpanel.image(data=temp_mask, qx_data=self.data.qx_data, qy_data=self.data.qy_data, xmin=self.data.xmin, xmax=self.data.xmax, ymin=self.data.ymin, ymax=self.data.ymax, zmin=zmin, zmax=zmax, cmap=self.cmap, color=0, symbol=0, label=self.data.name) # axis labels self.plotpanel.axes[0].set_xlabel('$\\rm{Q}_{x}(A^{-1})$') self.plotpanel.axes[0].set_ylabel('$\\rm{Q}_{y}(A^{-1})$') self.plotpanel.render() self.plotpanel.subplot.figure.canvas.draw_idle() def _getEmptySlicerEvent(self): """ create an empty slicervent """ self.innerbox_rb.SetValue(False) self.outerbox_rb.SetValue(False) self.innersector_rb.SetValue(False) self.outersector_rb.SetValue(False) self.innercircle_rb.SetValue(False) self.outercircle_rb.SetValue(False) return SlicerEvent(type=None, params=None, obj_class=None) def _draw_model(self, event): """ on_close, update the model2d plot """ pass
[docs] def freeze_axes(self): """ freeze axes """ self.plotpanel.axes_frozen = True
[docs] def thaw_axes(self): """ thaw axes """ self.plotpanel.axes_frozen = False
[docs] def onMouseMotion(self, event): """ onMotion event """ pass
[docs] def onWheel(self, event): """ on wheel event """ pass
[docs] def OnClose(self, event): """ Processing close event """ try: self.parent._draw_masked_model(event) except: # when called by data panel event.Skip() pass
[docs]class FloatPanel(wx.Dialog): """ Provides the Mask Editor GUI. """ # # Internal nickname for the window, used by the AUI manager window_name = "Plot" # # Name to appear on the window title bar window_caption = "Plot" # # Flag to tell the AUI manager to put this panel in the center pane CENTER_PANE = False ID = wx.NewId() def __init__(self, parent=None, base=None, data=None, dimension=1, id=ID, *args, **kwds): kwds["style"] = wx.DEFAULT_DIALOG_STYLE kwds["size"] = wx.Size(PANEL_SIZE * 1.5, PANEL_SIZE * 1.5) wx.Dialog.__init__(self, parent, id=id, *args, **kwds) if data != None: # Font size kwds = [] self.SetWindowVariant(variant=FONT_VARIANT) self.SetTitle("Plot " + data.name) self.parent = base self.data = data self.str = self.data.__str__() # # when 2 data have the same id override the 1 st plotted self.name = self.data.name self.dimension = dimension # Panel for 2D plot self.plotpanel = Maskplotpanel(self, -1, dimension, style=wx.TRANSPARENT_WINDOW) self.plotpanel._SetInitialSize() self.plotpanel.prevXtrans = "x" self.plotpanel.prevYtrans = "y" self.cmap = DEFAULT_CMAP # # Create Artist and bind it self.subplot = self.plotpanel.subplot self._setup_layout() if self.dimension == 1: self.newplot = Data1D(x=data.x, y=data.y, dx=data.dx, dy=data.dy) self.newplot.name = data.name else: self.newplot = Data2D(image=self.data.data) self.newplot.setValues(self.data) # Compute and get the image plot self.get_plot() # self.plotpanel.add_image(self.newplot) self.Centre() self.Layout()
[docs] def get_plot(self): """ Get Plot panel """ cal_plot = CalcPlot(panel=self.plotpanel, image=self.newplot, completefn=self.complete) cal_plot.queue()
[docs] def complete(self, panel, image, elapsed=None): """ Plot image :param image: newplot [plotpanel] """ wx.CallAfter(panel.add_image, image)
def _setup_layout(self): """ Set up the layout """ # panel sizer = wx.GridBagSizer(10, 10) if self.dimension == 3: note = "Note: I am very SLOW. Please be PATIENT...\n" if len(self.data.data) > 3600: note += "Rotation disabled for pixels > 60x60." note_txt = wx.StaticText(self, -1, note) note_txt.SetForegroundColour(wx.RED) sizer.Add(note_txt, (0, 2), flag=wx.RIGHT | wx.TOP, border=5) sizer.Add(self.plotpanel, (1, 0), (9, 9), wx.EXPAND | wx.ALL, 15) sizer.AddGrowableCol(3) sizer.AddGrowableRow(2) self.SetSizerAndFit(sizer) self.Centre() self.Show(True)
[docs] def set_plot_unfocus(self): """ Not implemented """ pass
def _draw_model(self, event): """ on_close, update the model2d plot """ pass
[docs] def freeze_axes(self): """ freeze axes """ self.plotpanel.axes_frozen = True
[docs] def thaw_axes(self): """ thaw axes """ self.plotpanel.axes_frozen = False
[docs] def OnClose(self, event): """ """ try: self.plotpanel.subplot.figure.clf() self.plotpanel.Close() except: # when called by data panel event.Skip() pass
[docs]class Maskplotpanel(PlotPanel): """ PlotPanel for Quick plot and masking plot """ def __init__(self, parent, id=-1, dimension=2, color=None, dpi=None, **kwargs): """ """ PlotPanel.__init__(self, parent, id=id, color=color, dpi=dpi, **kwargs) # Keep track of the parent Frame self.parent = parent # Internal list of plottable names (because graph # doesn't have a dictionary of handles for the plottables) self.dimension = dimension self.plots = {} self.graph = Graph() # add axis labels self.graph.xaxis('\\rm{x} ', '') self.graph.yaxis('\\rm{y} ', '')
[docs] def add_toolbar(self): """ Add toolbar """ # Not implemented pass
[docs] def on_set_focus(self, event): """ send to the parenet the current panel on focus """ if self.dimension == 3: pass else: self.draw()
[docs] def add_image(self, plot): """ Add Image """ self.plots[plot.name] = plot # init graph self.graph = Graph() # add plot self.graph.add(plot) # add axes if self.dimension == 1: self.xaxis_label = '\\rm{x} ' self.xaxis_unit = '' self.yaxis_label = '\\rm{y} ' self.yaxis_unit = '' # draw # message status_type = 'progress' msg = 'Plotting...' self._status_info(msg, status_type) status_type = 'stop' self.graph.render(self) self.subplot.figure.canvas.resizing = False if self.dimension < 3: self.graph.render(self) self.subplot.figure.canvas.draw() elif FONT_VARIANT: self.subplot.figure.canvas.draw() msg = 'Plotting Completed.' self._status_info(msg, status_type)
[docs] def onMouseMotion(self, event): """ Disable dragging 2D image """ pass
[docs] def onWheel(self, event): """ """ pass
[docs] def onLeftDown(self, event): """ Disables LeftDown """ pass
[docs] def onPick(self, event): """ Disables OnPick """ pass
[docs] def draw(self): """ Draw """ # message status_type = 'progress' msg = 'Plotting...' self._status_info(msg, status_type) status_type = 'stop' if not self.dimension == 3: self.subplot.figure.canvas.draw_idle() msg = 'Plotting Completed.' self._status_info(msg, status_type)
[docs] def onContextMenu(self, event): """ Default context menu for a plot panel """ # Selective Slicer plot popup menu slicerpop = wx.Menu() id = wx.NewId() slicerpop.Append(id, '&Print Image', 'Print image') wx.EVT_MENU(self, id, self.onPrint) id = wx.NewId() slicerpop.Append(id, '&Copy to Clipboard', 'Copy to the clipboard') wx.EVT_MENU(self, id, self.OnCopyFigureMenu) if self.dimension == 1: id = wx.NewId() slicerpop.Append(id, '&Change Scale') wx.EVT_MENU(self, id, self._onProperties) else: slicerpop.AppendSeparator() id_cm = wx.NewId() slicerpop.Append(id_cm, '&Toggle Linear/Log scale') wx.EVT_MENU(self, id_cm, self._onToggleScale) pos = event.GetPosition() pos = self.ScreenToClient(pos) self.PopupMenu(slicerpop, pos)
def _status_info(self, msg='', type="update"): """ Status msg """ if self.parent.parent.parent != None: wx.PostEvent(self.parent.parent.parent, StatusEvent(status=msg, type=type))
[docs]class ViewerFrame(wx.Frame): """ Add comment """ def __init__(self, parent, id, title): """ comment :param parent: parent panel/container """ # Initialize the Frame object wx.Frame.__init__(self, parent, id, title, wx.DefaultPosition, wx.Size(950, 850)) # Panel for 1D plot self.plotpanel = Maskplotpanel(self, -1, style=wx.RAISED_BORDER)
[docs]class ViewApp(wx.App):
[docs] def OnInit(self): frame = ViewerFrame(None, -1, 'testView') frame.Show(True) # self.SetTopWindow(frame) return True
if __name__ == "__main__": app = ViewApp(0) app.MainLoop()