def handle(self, step, x, y, canvas):
if step == 'Calibrate':
self.calibrating = True
if self.append_current_calibration:
if not self.points:
self.points = []
canvas.new_calibration_item()
else:
canvas.new_calibration_item()
self.points = []
return dict(calibration_step='End Calibrate')
# return 'End Calibrate', None, None, None, None, None
elif step == 'End Calibrate':
self.calibrating = False
d = dict(calibration_step='Calibrate')
if self.points:
refpoints, points = zip(*self.points)
scale, theta, (tx, ty), err = calculate_rigid_transform(refpoints,
points)
# set canvas calibration
ca = canvas.calibration_item
ca.cx, ca.cy = tx, ty
ca.rotation = theta
ca.scale = 1 / scale
d.update(dict(cx=tx, cy=ty, rotation=theta, scale=1 / scale, error=err
))
return d
def _calculate_affine_transform(self, pts):
rps, ps = zip(*pts)
s, r, t = calculate_rigid_transform(rps, ps)
self.A = AffineTransform()
self.A.scale(s, s)
self.A.rotate(r)
self.A.translate(-t[0], -t[1])
print self.A
def _calculate_affine_transform(self, pts):
rps, ps = zip(*pts)
s, r, t = calculate_rigid_transform(rps, ps)
self.A = AffineTransform()
self.A.scale(s, s)
self.A.rotate(r)
self.A.translate(-t[0], -t[1])
print self.A
def handle(self, step, x, y, canvas):
if step == 'Calibrate':
self.calibrating = True
if self.append_current_calibration:
if not self.points:
self.points = []
canvas.new_calibration_item()
else:
canvas.new_calibration_item()
self.points = []
return dict(calibration_step='End Calibrate')
# return 'End Calibrate', None, None, None, None, None
elif step == 'End Calibrate':
n = 0
if self.points:
n = len(self.points)
if n < 3:
d = None
if self.confirmation_dialog(
'Need to enter at least 3 calibration points. Current NPoints: {}\n\n'
'Are you sure you want to End calibration'.format(n)):
self.calibrating = False
d = dict(calibration_step='Calibrate')
return d
d = dict(calibration_step='Calibrate')
self.calibrating = False
refpoints, points = zip(*self.points)
scale, theta, (tx, ty), err = calculate_rigid_transform(
refpoints, points)
# set canvas calibration
ca = canvas.calibration_item
ca.cx, ca.cy = tx, ty
ca.rotation = theta
ca.scale = 1 / scale
d.update(
dict(cx=tx, cy=ty, rotation=theta, scale=1 / scale, error=err))
return d
def handle(self, step, x, y, canvas):
if step == 'Calibrate':
self.calibrating = True
if self.append_current_calibration:
if not self.points:
self.points = []
canvas.new_calibration_item()
else:
canvas.new_calibration_item()
self.points = []
return dict(calibration_step='End Calibrate')
# return 'End Calibrate', None, None, None, None, None
elif step == 'End Calibrate':
n = 0
if self.points:
n = len(self.points)
if n < 3:
d = None
if self.confirmation_dialog('Need to enter at least 3 calibration points. Current NPoints: {}\n\n'
'Are you sure you want to End calibration'.format(n)):
self.calibrating = False
d = dict(calibration_step='Calibrate')
return d
d = dict(calibration_step='Calibrate')
self.calibrating = False
refpoints, points = zip(*self.points)
scale, theta, (tx, ty), err = calculate_rigid_transform(refpoints,
points)
# set canvas calibration
ca = canvas.calibration_item
ca.cx, ca.cy = tx, ty
ca.rotation = theta
ca.scale = 1 / scale
d.update(dict(cx=tx, cy=ty, rotation=theta, scale=1 / scale, error=err
))
return d
