def CheckBands(self, b_1, b_2): bands = self.core.GetBands() added_scatts_ids = self.plots.keys() b_1_id = self.all_bands_to_bands[self.all_bands[b_1]] b_2_id = self.all_bands_to_bands[self.all_bands[b_1]] scatt_id = idBandsToidScatt(b_1_id, b_2_id, len(bands)) if scatt_id in added_scatts_ids: GWarning( parent=self.guiparent, message=_( "Scatter plot with same band combination (regardless x y order) " "is already displayed.")) return False b_1_name = self.all_bands[b_1] b_2_name = self.all_bands[b_2] b_1_i = self.bands_info[b_1_name] b_2_i = self.bands_info[b_2_name] err = "" for b in [b_1_name, b_2_name]: if self.bands_info[b] is None: err += _("Band <%s> is not CELL (integer) type.\n" % b) if err: GMessage(parent=self.guiparent, message=_("Scatter plot cannot be added.\n" + err)) return False mrange = b_1_i['range'] * b_2_i['range'] if mrange > MAX_SCATT_SIZE: GWarning(parent=self.guiparent, message=_("Scatter plot cannot be added.\n" "Multiple of bands ranges <%s:%d * %s:%d = %d> " "is higher than maximum limit <%d>.\n" % (b_1_name, b_1_i['range'], b_1_name, b_2_i['range'], mrange, MAX_SCATT_SIZE))) return False elif mrange > WARN_SCATT_SIZE: dlg = wx.MessageDialog( parent=self.guiparent, message=_( "Multiple of bands ranges <%s:%d * %s:%d = %d> " "is higher than recommended limit <%d>.\n" "It is strongly advised to reduce range extend of bands" "(e. g. using r.rescale) below recommended threshold.\n\n" "Do you really want to add this scatter plot?" % (b_1_name, b_1_i['range'], b_1_name, b_2_i['range'], mrange, WARN_SCATT_SIZE)), style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_WARNING) ret = dlg.ShowModal() if ret != wx.ID_YES: return False return True
def AddScattPlot(self): if not self.data_set and self.iclass_conn: self.show_add_scatt_plot = True self.iclass_conn.SetData() self.show_add_scatt_plot = False return if not self.data_set: GError(_('No data set.')) return self.computingStarted.emit() bands = self.core.GetBands() #added_bands_ids = [] # for scatt_id in self.plots): # added_bands_ids.append[idBandsToidScatt(scatt_id)] self.digit_conn.Update() ncells = self.region["rows"] * self.region["cols"] if ncells > MAX_NCELLS: GError( _( parent=self.guiparent, mmessage=_( "Interactive Scatter Plot Tool can not be used.\n" "Number of cells (rows*cols) <%d> in current region" "is higher than maximum limit <%d>.\n\n" "You can reduce number of cells in current region using <g.region> command." % (ncells, MAX_NCELLS)))) return elif ncells > WARN_NCELLS: dlg = wx.MessageDialog( parent=self.guiparent, message=_("Number of cells (rows*cols) <%d> in current region is " "higher than recommended threshold <%d>.\n" "It is strongly advised to reduce number of cells " "in current region below recommend threshold.\n " "It can be done by <g.region> command.\n\n" "Do you want to continue using " "Interactive Scatter Plot Tool with this region?" % (ncells, WARN_NCELLS)), style=wx.YES_NO | wx.NO_DEFAULT | wx.ICON_WARNING) ret = dlg.ShowModal() if ret != wx.ID_YES: return dlg = AddScattPlotDialog(parent=self.guiparent, bands=self.all_bands, check_bands_callback=self.CheckBands) if dlg.ShowModal() == wx.ID_OK: scatt_ids = [] sel_bands = dlg.GetBands() for b_1, b_2 in sel_bands: transpose = False if b_1 > b_2: transpose = True tmp_band = b_2 b_2 = b_1 b_1 = tmp_band b_1_id = self.all_bands_to_bands[self.all_bands[b_1]] b_2_id = self.all_bands_to_bands[self.all_bands[b_2]] scatt_id = idBandsToidScatt(b_1_id, b_2_id, len(bands)) if scatt_id in self.plots: continue self.plots[scatt_id] = {'transpose': transpose, 'scatt': None} scatt_ids.append(scatt_id) self._addScattPlot(scatt_ids) dlg.Destroy()