import math #import wx #from copy import deepcopy from BaseInteractor import _BaseInteractor from boxSum import PointInteractor from boxSum import VerticalDoubleLine from boxSum import HorizontalDoubleLine #from sans.guiframe.events import SlicerParamUpdateEvent class BoxMask(_BaseInteractor): """ BoxMask Class: determine 2 rectangular area to find the pixel of a Data inside of box. Uses PointerInteractor , VerticalDoubleLine,HorizontalDoubleLine. :param zorder: Artists with lower zorder values are drawn first. :param x_min: the minimum value of the x coordinate :param x_max: the maximum value of the x coordinate :param y_min: the minimum value of the y coordinate :param y_max: the maximum value of the y coordinate """ def __init__(self, base, axes, color='black', zorder=3, side=None, x_min=0.008, x_max=0.008, y_min=0.0025, y_max=0.0025): """ """ _BaseInteractor.__init__(self, base, axes, color=color) ## class initialization ## list of Boxmask markers self.markers = [] self.axes = axes self.is_inside = side ## connect the artist for the motion self.connect = self.base.connect ## when qmax is reached the selected line is reset #the its previous value self.qmax = min(self.base.data.xmax, self.base.data.xmin) ## Define the box limits self.xmin = -1 * 0.5 * min(math.fabs(self.base.data.xmax), math.fabs(self.base.data.xmin)) self.ymin = -1 * 0.5 * min(math.fabs(self.base.data.xmax), math.fabs(self.base.data.xmin)) self.xmax = 0.5 * min(math.fabs(self.base.data.xmax), math.fabs(self.base.data.xmin)) self.ymax = 0.5 * min(math.fabs(self.base.data.xmax), math.fabs(self.base.data.xmin)) ## center of the box self.center_x = 0.0002 self.center_y = 0.0003 ## Number of points on the plot self.nbins = 20 ## Define initial result the summation self.count = 0 self.error = 0 self.data = self.base.data ## Flag to determine if the current figure has moved ## set to False == no motion , set to True== motion self.has_move = False ## Create Box edges self.horizontal_lines = HorizontalDoubleLine(self, self.base.subplot, color='blue', zorder=zorder, y=self.ymax, x=self.xmax, center_x=self.center_x, center_y=self.center_y) self.horizontal_lines.qmax = self.qmax self.vertical_lines = VerticalDoubleLine(self, self.base.subplot, color='grey', zorder=zorder, y=self.ymax, x=self.xmax, center_x=self.center_x, center_y=self.center_y) self.vertical_lines.qmax = self.qmax self.center = PointInteractor(self, self.base.subplot,color='grey', zorder=zorder, center_x=self.center_x, center_y=self.center_y) ## Save the name of the slicer panel associate with this slicer self.panel_name = "" ## Update and post slicer parameters self.update() self._post_data() def clear(self): """ Clear the slicer and all connected events related to this slicer """ self.clear_markers() self.horizontal_lines.clear() self.vertical_lines.clear() self.center.clear() self.base.connect.clearall() #self.base.Unbind(EVT_SLICER_PARS) def update(self): """ Respond to changes in the model by recalculating the profiles and resetting the widgets. """ # check if the center point has moved and update the figure accordingly if self.center.has_move: self.center.update() self.horizontal_lines.update(center=self.center) self.vertical_lines.update(center=self.center) ## check if the horizontal lines have moved and update # the figure accordingly if self.horizontal_lines.has_move: self.horizontal_lines.update() self.vertical_lines.update(y1=self.horizontal_lines.y1, y2=self.horizontal_lines.y2, height=self.horizontal_lines.half_height) ## check if the vertical lines have moved and update # the figure accordingly if self.vertical_lines.has_move: self.vertical_lines.update() self.horizontal_lines.update(x1=self.vertical_lines.x1, x2=self.vertical_lines.x2, width=self.vertical_lines.half_width) #if self.is_inside != None: out = self._post_data() return out def save(self, ev): """ Remember the roughness for this layer and the next so that we can restore on Esc. """ self.base.freeze_axes() self.horizontal_lines.save(ev) self.vertical_lines.save(ev) self.center.save(ev) def _post_data(self): """ Get the limits of the boxsum and compute the sum of the pixel contained in that region and the error on that sum """ from sans.dataloader.manipulations import Boxcut ## Data 2D for which the pixel will be summed data = self.base.data mask = data.mask ## the region of the summation x_min = self.horizontal_lines.x2 x_max = self.horizontal_lines.x1 y_min = self.vertical_lines.y2 y_max = self.vertical_lines.y1 mask = Boxcut(x_min=x_min, x_max=x_max, y_min=y_min, y_max=y_max) if self.is_inside: out = (mask(data) == False) else: out = (mask(data)) #self.base.data.mask=out return out def moveend(self, ev): """ After a dragging motion this function is called to compute the error and the sum of pixel of a given data 2D """ self.base.thaw_axes() ## post self._post_data() def restore(self): """ Restore the roughness for this layer. """ self.horizontal_lines.restore() self.vertical_lines.restore() self.center.restore() def move(self, x, y, ev): """ Process move to a new position, making sure that the move is allowed. """ pass def set_cursor(self, x, y): pass def get_params(self): """ Store a copy of values of parameters of the slicer into a dictionary. :return params: the dictionary created """ params = {} params["Width"] = math.fabs(self.vertical_lines.half_width) * 2 params["Height"] = math.fabs(self.horizontal_lines.half_height) * 2 params["center_x"] = self.center.x params["center_y"] = self.center.y return params def get_mask(self): """ return mask as a result of boxcut """ mask = self.mask return mask def set_params(self, params): """ Receive a dictionary and reset the slicer with values contained in the values of the dictionary. :param params: a dictionary containing name of slicer parameters and values the user assigned to the slicer. """ x_max = math.fabs(params["Width"] )/2 y_max = math.fabs(params["Height"])/2 self.center_x = params["center_x"] self.center_y = params["center_y"] #update the slicer given values of params self.center.update(center_x=self.center_x, center_y=self.center_y) self.horizontal_lines.update(center=self.center, width=x_max, height=y_max) self.vertical_lines.update(center=self.center, width=x_max, height=y_max) #compute the new error and sum given values of params self._post_data() def freeze_axes(self): self.base.freeze_axes() def thaw_axes(self): self.base.thaw_axes() def draw(self): self.base.update() class inner_BoxMask(BoxMask): def __call__(self): self.base.data.mask = (self._post_data()==False)