import wx import sys import numpy import math import logging import models import model_panel from model_panel import ModelPanel from sans.guicomm.events import NewPlotEvent, StatusEvent from sans.guiframe.dataFitting import Data2D from sans.guiframe.dataFitting import Theory1D DEFAULT_BEAM = 0.005 DEFAULT_QMIN = 0.001 DEFAULT_QMAX = 0.13 DEFAULT_NPTS = 50 class PlotInfo: """ store some plotting field """ _xunit = 'A^{-1}' _xaxis= "\\rm{Q}" _yunit = "cm^{-1}" _yaxis= "\\rm{Intensity} " id = "Model" group_id = "Model" title= None info= None class Plugin: """ This class defines the interface for a Plugin class for calculator perspective """ def __init__(self, standalone=True): """ Abstract class for gui_manager Plugins. """ ## Plug-in name. It will appear on the application menu. self.sub_menu = "Theory" ## Reference to the parent window. Filled by get_panels() below. self.parent = None ## List of panels that you would like to open in AUI windows # for your plug-in. This defines your plug-in "perspective" self.perspective = [] # Log startup logging.info("Theory plug-in started") #Provide list of models existing in the application self.menu_mng = models.ModelManager() # reference to the current running thread self.calc_2D= None self.calc_1D= None def populate_menu(self, id, owner): """ Create and return the list of application menu items for the plug-in. @param id: deprecated. Un-used. @param parent: parent window @return: plug-in menu """ return [] def get_panels(self, parent): """ Create and return the list of wx.Panels for your plug-in. Define the plug-in perspective. Panels should inherit from DefaultPanel defined below, or should present the same interface. They must define "window_caption" and "window_name". @param parent: parent window @return: list of panels """ ## Save a reference to the parent self.parent = parent # Define a panel self.model_panel= ModelPanel(self.parent, page_info =None, model_list_box= self.menu_mng.get_model_list().get_list()) self.model_panel.set_manager(self) # If needed, add its name to the perspective list self.perspective.append(self.model_panel.window_name) self.parent.Bind(model_panel.EVT_MODEL_BOX,self._on_model_panel) # Return the list of panels return [self.model_panel] def get_context_menu(self, graph=None): """ This method is optional. When the context menu of a plot is rendered, the get_context_menu method will be called to give you a chance to add a menu item to the context menu. A ref to a Graph object is passed so that you can investigate the plot content and decide whether you need to add items to the context menu. This method returns a list of menu items. Each item is itself a list defining the text to appear in the menu, a tool-tip help text, and a call-back method. @param graph: the Graph object to which we attach the context menu @return: a list of menu items with call-back function """ return [] def get_perspective(self): """ Get the list of panel names for this perspective """ return self.perspective def on_perspective(self, event): """ Call back function for the perspective menu item. We notify the parent window that the perspective has changed. @param event: menu event """ self.parent.set_perspective(self.perspective) def post_init(self): """ Post initialization call back to close the loose ends """ pass def draw_model(self, model, data= None,smearer= None, enable1D= True, enable2D= False, qmin= DEFAULT_QMIN, qmax= DEFAULT_QMAX, qstep= DEFAULT_NPTS): """ Draw model. @param model: the model to draw @param name: the name of the model to draw @param data: the data on which the model is based to be drawn @param description: model's description @param enable1D: if true enable drawing model 1D @param enable2D: if true enable drawing model 2D @param qmin: Range's minimum value to draw model @param qmax: Range's maximum value to draw model @param qstep: number of step to divide the x and y-axis """ ## draw model 1D with no loaded data self._draw_model1D( model= model, data= data,enable1D=enable1D, smearer= smearer, qmin= qmin, qmax= qmax, qstep= qstep ) ## draw model 2D with no initial data self._draw_model2D(model=model, data = data, enable2D= enable2D, qmin=qmin, qmax=qmax, qstep=qstep) def _on_model_panel(self, evt): """ react to model selection on any combo box or model menu.plot the model @param evt: wx.combobox event """ model = evt.model qmin = evt.qmin qmax = evt.qmax qstep = evt.qstep if model ==None: return # save model name self.draw_model(model=model, qmin=qmin, qmax=qmax, qstep=qstep) def _draw_model2D(self,model,data=None, enable2D=False, qmin=DEFAULT_QMIN, qmax=DEFAULT_QMAX, qstep=DEFAULT_NPTS): """ draw model in 2D @param model: instance of the model to draw @param enable2D: when True allows to draw model 2D @param qmin: the minimum value to draw model 2D @param qmax: the maximum value to draw model 2D @param qstep: the number of division of Qx and Qy of the model to draw """ x= numpy.linspace(start= -1*qmax, stop= qmax, num= qstep, endpoint=True ) y = numpy.linspace(start= -1*qmax, stop= qmax, num= qstep, endpoint=True ) ## use data info instead if data !=None: ## check if data2D to plot if hasattr(data, "x_bins"): enable2D = True x= data.x_bins y= data.y_bins if not enable2D: return try: from model_thread import Calc2D ## If a thread is already started, stop it if self.calc_2D != None and self.calc_2D.isrunning(): self.calc_2D.stop() self.calc_2D = Calc2D( x= x, y= y, model= model, data = data, qmin= qmin, qmax= qmax, qstep= qstep, completefn= self._complete2D, updatefn= self._update2D ) self.calc_2D.queue() except: raise #msg= " Error occurred when drawing %s Model 2D: "%model.name #msg+= " %s"%sys.exc_value #wx.PostEvent( self.parent, StatusEvent(status= msg )) #return def _draw_model1D(self, model, data=None, smearer= None, qmin=DEFAULT_QMIN, qmax=DEFAULT_QMAX, qstep= DEFAULT_NPTS, enable1D= True): """ Draw model 1D from loaded data1D @param data: loaded data @param model: the model to plot """ x= numpy.linspace(start= qmin, stop= qmax, num= qstep, endpoint=True ) if data!=None: ## check for data2D if hasattr(data,"x_bins"): return x = data.x if qmin == DEFAULT_QMIN : qmin = min(data.x) if qmax == DEFAULT_QMAX: qmax = max(data.x) if not enable1D: return try: from model_thread import Calc1D ## If a thread is already started, stop it if self.calc_1D!= None and self.calc_1D.isrunning(): self.calc_1D.stop() self.calc_1D= Calc1D( x= x, data = data, model= model, qmin = qmin, qmax = qmax, smearer = smearer, completefn = self._complete1D, updatefn = self._update1D ) self.calc_1D.queue() except: msg = " Error occurred when drawing %s Model 1D: "%model.name msg += " %s"%sys.exc_value wx.PostEvent(self.parent, StatusEvent(status=msg)) def _update1D(self,x, output): """ Update the output of plotting model 1D """ wx.PostEvent(self.parent, StatusEvent(status="Plot \ #updating ... ",type="update")) self.ready_fit() #self.calc_thread.ready(0.01) def _fill_default_model2D(self, theory, qmax,qstep, qmin=None): """ fill Data2D with default value @param theory: Data2D to fill """ from DataLoader.data_info import Detector, Source detector = Detector() theory.detector.append(detector) theory.source= Source() ## Default values theory.detector[0].distance= 8000 # mm theory.source.wavelength= 6 # A theory.detector[0].pixel_size.x= 5 # mm theory.detector[0].pixel_size.y= 5 # mm theory.detector[0].beam_center.x= qmax theory.detector[0].beam_center.y= qmax ## create x_bins and y_bins of the model 2D pixel_width_x = theory.detector[0].pixel_size.x pixel_width_y = theory.detector[0].pixel_size.y center_x = theory.detector[0].beam_center.x/pixel_width_x center_y = theory.detector[0].beam_center.y/pixel_width_y # theory default: assume the beam center is located at the center of sqr detector xmax = qmax xmin = -qmax ymax = qmax ymin = -qmax x= numpy.linspace(start= -1*qmax, stop= qmax, num= qstep, endpoint=True ) y = numpy.linspace(start= -1*qmax, stop= qmax, num= qstep, endpoint=True ) ## use data info instead new_x = numpy.tile(x, (len(y),1)) new_y = numpy.tile(y, (len(x),1)) new_y = new_y.swapaxes(0,1) # all data reuire now in 1d array qx_data = new_x.flatten() qy_data = new_y.flatten() q_data = numpy.sqrt(qx_data*qx_data+qy_data*qy_data) # set all True (standing for unmasked) as default mask = numpy.ones(len(qx_data), dtype = bool) # calculate the range of qx and qy: this way, it is a little more independent x_size = xmax- xmin y_size = ymax -ymin # store x and y bin centers in q space x_bins = x y_bins = y # bin size: x- & y-directions xstep = x_size/len(x_bins-1) ystep = y_size/len(y_bins-1) #theory.data = numpy.zeros(len(mask)) theory.err_data = numpy.zeros(len(mask)) theory.qx_data = qx_data theory.qy_data = qy_data theory.q_data = q_data theory.mask = mask theory.x_bins = x_bins theory.y_bins = y_bins # max and min taking account of the bin sizes theory.xmin= xmin theory.xmax= xmax theory.ymin= ymin theory.ymax= ymax theory.group_id ="Model" theory.id ="Model" def _get_plotting_info(self, data=None): """ get plotting info from data if data !=None else use some default """ my_info = PlotInfo() if data !=None: if hasattr(data,"info"): x_name, x_units = data.get_xaxis() y_name, y_units = data.get_yaxis() my_info._xunit = x_units my_info._xaxis = x_name my_info._yunit = y_units my_info._yaxis = y_name my_info.title= data.name if hasattr(data, "info"): my_info.info= data.info if hasattr(data, "group_id"): my_info.group_id= data.group_id return my_info def _complete1D(self, x,y, elapsed,model,data=None): """ Complete plotting 1D data """ try: new_plot = Theory1D(x=x, y=y) my_info = self._get_plotting_info( data) new_plot.name = model.name new_plot.id = my_info.id new_plot.group_id = my_info.group_id new_plot.xaxis( my_info._xaxis, my_info._xunit) new_plot.yaxis( my_info._yaxis, my_info._yunit) if data!=None: if new_plot.id == data.id: new_plot.id += "Model" new_plot.is_data =False # Pass the reset flag to let the plotting event handler # know that we are replacing the whole plot title = "Analytical model 1D " if data ==None: wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title= str(title), reset=True )) else: wx.PostEvent(self.parent, NewPlotEvent(plot=new_plot, title= str(title))) msg = "Plot 1D complete !" wx.PostEvent( self.parent, StatusEvent( status= msg , type="stop" )) except: msg= " Error occurred when drawing %s Model 1D: "%new_plot.name msg+= " %s"%sys.exc_value wx.PostEvent( self.parent, StatusEvent(status= msg, type="stop" )) return def _update2D(self, output,time=None): """ Update the output of plotting model """ wx.PostEvent(self.parent, StatusEvent(status="Plot \ #updating ... ",type="update")) self.ready_fit() #self.calc_thread.ready(0.01) def _complete2D(self, image,data, model, elapsed,qmin, qmax,qstep=DEFAULT_NPTS): """ Complete get the result of modelthread and create model 2D that can be plot. """ err_image = numpy.zeros(numpy.shape(image)) theory= Data2D(image= image , err_image= err_image) theory.name= model.name if data ==None: self._fill_default_model2D(theory= theory, qmax=qmax,qstep=qstep, qmin= qmin) else: theory.id= data.id+"Model" theory.group_id= data.name+"Model" theory.x_bins= data.x_bins theory.y_bins= data.y_bins theory.detector= data.detector theory.source= data.source theory.is_data =False theory.qx_data = data.qx_data theory.qy_data = data.qy_data theory.q_data = data.q_data theory.err_data = data.err_data theory.mask = data.mask ## plot boundaries theory.ymin= data.ymin theory.ymax= data.ymax theory.xmin= data.xmin theory.xmax= data.xmax ## plot wx.PostEvent(self.parent, NewPlotEvent(plot=theory, title="Analytical model 2D ", reset=True )) msg = "Plot 2D complete !" wx.PostEvent( self.parent, StatusEvent( status= msg , type="stop" ))