def _posToRating(self, pos):
# Get ticks or substitute
if self.ticks is not None:
ticks = self.ticks
else:
ticks = [0, 1]
# Get in pix
pos = layout.Position(pos, units=self.win.units, win=self.win).pix
# Get difference from scale pos
delta = pos - self._pos.pix
# Adjust to scale size
delta = delta / self._extent.pix + 0.5
# Adjust to scale magnitude
magDelta = delta * (ticks[-1] - ticks[0])
# Adjust to scale bottom
rating = magDelta + ticks[0]
# Return relevant value according to orientation
return rating[1 - int(self.horiz)]
def _ratingToPos(self, rating):
# Get ticks or substitute
if self.ticks is not None:
ticks = self.ticks
else:
ticks = [0, 1]
# Reshape rating to handle multiple values
rating = np.array(rating)
rating = rating.reshape((-1, 1))
rating = np.hstack((rating, rating))
# Adjust to scale bottom
magDelta = rating - ticks[0]
# Adjust to scale magnitude
delta = magDelta / (ticks[-1] - ticks[0])
# Adjust to scale size
delta = self._extent.pix * (delta - 0.5)
# Adjust to scale pos
pos = delta + self._pos.pix
# Replace irrelevant value according to orientation
pos[:, int(self.horiz)] = self._pos.pix[int(self.horiz)]
# Convert to native units
return getattr(layout.Position(pos, units="pix", win=self.win),
self.units)
from psychopy.tests import utils
from psychopy.visual import helpers
from numpy import sqrt
import matplotlib
mon = monitors.Monitor('testMonitor')
mon.setDistance(57)
mon.setWidth(40.0)
mon.setSizePix([1024, 768])
win = visual.Window([512, 512], monitor=mon, winType='pyglet', autoLog=False)
unitDist = 0.2
sqrt2 = sqrt(2)
points = [
layout.Position((0, 0), 'height', win),
layout.Position((0, unitDist), 'height', win),
layout.Position((0, unitDist * 2), 'height', win),
layout.Position(((unitDist / sqrt2), (unitDist / sqrt2)), 'height', win),
layout.Position((unitDist * sqrt2, 0), 'height', win),
layout.Position((unitDist * sqrt2, unitDist * sqrt2), 'height', win)
]
postures = [{
'ori': 0,
'size': layout.Size((1.0, 1.0), 'height', win),
'pos': layout.Position((0, 0), 'height', win)
}, {
'ori': 0,
'size': layout.Size((1.0, 2.0), 'height', win),
'pos': layout.Position((0, 0), 'height', win)
