# 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)