Source code for sas.qtgui.Plotting.Slicers.AzimutSlicer

# TODO: the line slicer should listen to all 2DREFRESH events, get the data and slice it
#       before pushing a new 1D data update.
#
# TODO: NEED MAJOR REFACTOR
#
import numpy as np
from sas.qtgui.Plotting.Slicers.Arc import ArcInteractor
from sas.qtgui.Plotting.Slicers.RadiusInteractor import RadiusInteractor
from sas.qtgui.Plotting.Slicers.BaseInteractor import BaseInteractor

[docs]class SectorInteractor(BaseInteractor): """ Select an annulus through a 2D plot """ def __init__(self, base, axes, color='black', zorder=3): """ """ BaseInteractor.__init__(self, base, axes, color=color) self.markers = [] self.axes = axes self.qmax = self.data.xmax self.connect = self.base.connect # # Number of points on the plot self.nbins = 20 theta1 = 2 * np.pi / 3 theta2 = -2 * np.pi / 3 # Inner circle self.inner_circle = ArcInteractor(self, self.base.subplot, zorder=zorder, r=self.qmax / 2.0, theta1=theta1, theta2=theta2) self.inner_circle.qmax = self.qmax self.outer_circle = ArcInteractor(self, self.base.subplot, zorder=zorder + 1, r=self.qmax / 1.8, theta1=theta1, theta2=theta2) self.outer_circle.qmax = self.qmax * 1.2 # self.outer_circle.set_cursor(self.base.qmax/1.8, 0) self.right_edge = RadiusInteractor(self, self.base.subplot, zorder=zorder + 1, arc1=self.inner_circle, arc2=self.outer_circle, theta=theta1) self.left_edge = RadiusInteractor(self, self.base.subplot, zorder=zorder + 1, arc1=self.inner_circle, arc2=self.outer_circle, theta=theta2) self.update() self._post_data()
[docs] def set_layer(self, n): """ """ self.layernum = n self.update()
[docs] def clear(self): """ """ self.clear_markers() self.outer_circle.clear() self.inner_circle.clear() self.right_edge.clear() self.left_edge.clear()
[docs] def update(self): """ Respond to changes in the model by recalculating the profiles and resetting the widgets. """ # Update locations if self.inner_circle.has_move: # print "inner circle has moved" self.inner_circle.update() r1 = self.inner_circle.get_radius() r2 = self.outer_circle.get_radius() self.right_edge.update(r1, r2) self.left_edge.update(r1, r2) if self.outer_circle.has_move: # print "outer circle has moved" self.outer_circle.update() r1 = self.inner_circle.get_radius() r2 = self.outer_circle.get_radius() self.left_edge.update(r1, r2) self.right_edge.update(r1, r2) if self.right_edge.has_move: # print "right edge has moved" self.right_edge.update() self.inner_circle.update(theta1=self.right_edge.get_angle(), theta2=None) self.outer_circle.update(theta1=self.right_edge.get_angle(), theta2=None) if self.left_edge.has_move: # print "left Edge has moved" self.left_edge.update() self.inner_circle.update(theta1=None, theta2=self.left_edge.get_angle()) self.outer_circle.update(theta1=None, theta2=self.left_edge.get_angle())
[docs] 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.inner_circle.save(ev) self.outer_circle.save(ev) self.right_edge.save(ev) self.left_edge.save(ev)
def _post_data(self): pass
[docs] def post_data(self, new_sector): """ post data averaging in Q""" if self.inner_circle.get_radius() < self.outer_circle.get_radius(): rmin = self.inner_circle.get_radius() rmax = self.outer_circle.get_radius() else: rmin = self.outer_circle.get_radius() rmax = self.inner_circle.get_radius() if self.right_edge.get_angle() < self.left_edge.get_angle(): phimin = self.right_edge.get_angle() phimax = self.left_edge.get_angle() else: phimin = self.left_edge.get_angle() phimax = self.right_edge.get_angle() sect = new_sector(r_min=rmin, r_max=rmax, phi_min=phimin, phi_max=phimax) sector = sect(self.data) from sas.qtgui.Plotting.PlotterData import Data1D if hasattr(sector, "dxl"): dxl = sector.dxl else: dxl = None if hasattr(sector, "dxw"): dxw = sector.dxw else: dxw = None new_plot = Data1D(x=sector.x, y=sector.y, dy=sector.dy, dxl=dxl, dxw=dxw) new_plot.name = str(new_sector.__name__) + \ "(" + self.data.name + ")" new_plot.source = self.data.source new_plot.interactive = True # print "loader output.detector",output.source new_plot.detector = self.data.detector # If the data file does not tell us what the axes are, just assume... new_plot.xaxis("\\rm{Q}", 'rad') new_plot.yaxis("\\rm{Intensity} ", "cm^{-1}") new_plot.group_id = str(new_sector.__name__) + self.data.name
[docs] def validate(self, param_name, param_value): """ Test the proposed new value "value" for row "row" of parameters """ # Here, always return true return True
[docs] def moveend(self, ev): #TODO: why is this empty? pass
[docs] def restore(self): """ Restore the roughness for this layer. """ self.inner_circle.restore() self.outer_circle.restore() self.right_edge.restore() self.left_edge.restore()
[docs] def move(self, x, y, ev): """ Process move to a new position, making sure that the move is allowed. """ pass
[docs] def set_cursor(self, x, y): """ """ pass
[docs] def get_params(self): """ """ params = {} params["r_min"] = self.inner_circle.get_radius() params["r_max"] = self.outer_circle.get_radius() params["phi_min"] = self.right_edge.get_angle() params["phi_max"] = self.left_edge.get_angle() params["nbins"] = self.nbins return params
[docs] def set_params(self, params): """ """ # print "setparams on main slicer ",params inner = params["r_min"] outer = params["r_max"] phi_min = params["phi_min"] phi_max = params["phi_max"] self.nbins = int(params["nbins"]) self.inner_circle.set_cursor(inner, phi_min, phi_max, self.nbins) self.outer_circle.set_cursor(outer, phi_min, phi_max, self.nbins) self.right_edge.set_cursor(inner, outer, phi_min) self.left_edge.set_cursor(inner, outer, phi_max) self._post_data()
[docs] def freeze_axes(self): """ """ self.base.freeze_axes()
[docs] def thaw_axes(self): """ """ self.base.thaw_axes()
[docs] def draw(self): """ """ self.base.draw()
[docs]class SectorInteractorQ(SectorInteractor): """ """ def __init__(self, base, axes, color='black', zorder=3): """ """ SectorInteractor.__init__(self, base, axes, color=color) self.base = base self._post_data() def _post_data(self): """ """ from sas.sascalc.dataloader.manipulations import SectorQ self.post_data(SectorQ)
[docs]class SectorInteractorPhi(SectorInteractor): """ """ def __init__(self, base, axes, color='black', zorder=3): """ """ SectorInteractor.__init__(self, base, axes, color=color) self.base = base self._post_data() def _post_data(self): """ """ from sas.sascalc.dataloader.manipulations import SectorPhi self.post_data(SectorPhi)