def map_to_uncalibration(self, pos, cpos=None, rot=None, scale=None):
cpos, rot, scale = self._get_calibration_params(cpos, rot, scale)
a = AffineTransform()
a.scale(1 / scale, 1 / scale)
a.rotate(-rot)
a.translate(cpos[0], cpos[1])
# a.translate(-cpos[0], -cpos[1])
# a.translate(*cpos)
# a.rotate(-rot)
# a.translate(-cpos[0], -cpos[1])
pos = a.transform(*pos)
return pos
def map_to_uncalibration(self, pos, cpos=None, rot=None, scale=None):
cpos, rot, scale = self._get_calibration_params(cpos, rot, scale)
a = AffineTransform()
a.scale(1 / scale, 1 / scale)
a.rotate(-rot)
a.translate(cpos[0], cpos[1])
# a.translate(-cpos[0], -cpos[1])
# a.translate(*cpos)
# a.rotate(-rot)
# a.translate(-cpos[0], -cpos[1])
pos = a.transform(*pos)
return pos
def rubberband_pattern(cx, cy, offset, l, rotation):
p1 = cx - offset, cy + offset
p2 = cx + l + offset, cy + offset
p3 = cx + l + offset, cy - offset
p4 = cx - offset, cy - offset
a = AffineTransform()
a.translate(cx, cy)
a.rotate(rotation)
a.translate(-cx, -cy)
ps = (p1, p2, p3, p4, p1)
for p in ps:
yield a.transform(*p)
def line_pattern(cx, cy, length, rotation, n):
p1 = (cx, cy)
p2 = (cx + length, cy)
for i in xrange(n):
a = AffineTransform()
a.translate(cx, cy)
a.rotate(rotation)
a.translate(-cx, -cy)
if i % 2 == 0:
ps = (p1, p2)
else:
ps = (p2, p1)
for x, y in ps:
yield a.transform(x, y)
def normal_mouse_move(self, event):
# over a hole
ca = self.calibration_item
if ca:
for obj in self.mp.sample_holes:
hole = obj.id
pos = obj.x, obj.y
rot = ca.rotation
cpos = ca.center
aff = AffineTransform()
aff.translate(*cpos)
aff.rotate(rot)
aff.translate(-cpos[0], -cpos[1])
aff.translate(*cpos)
dpos = aff.transformPt(pos)
pos = self.map_screen([dpos])[0]
if abs(pos[0] - event.x) <= 10 and abs(pos[1] - event.y) <= 10:
event.window.set_pointer(self.select_pointer)
event.handled = True
self.current_hole = hole
break
if not event.handled:
self.current_hole = None
super(MapCanvas, self).normal_mouse_move(event)
def normal_left_down(self, event):
super(MapCanvas, self).normal_left_down(event)
if self.current_hole is not None:
# and not event.handled
ca = self.calibration_item
if ca is not None:
if hasattr(event, 'item'):
if hasattr(ca, 'right'):
if event.item.right is ca.right:
return
rot = ca.rotation
cpos = ca.center
aff = AffineTransform()
aff.translate(*cpos)
aff.rotate(rot)
aff.translate(-cpos[0], -cpos[1])
aff.translate(*cpos)
mpos = self.mp.get_hole_pos(self.current_hole)
# dpos = aff.transformPt(mpos)
dpos = aff.transform(*mpos)
spos = self.map_data((event.x, event.y))
# not much point in adding an indicator because the hole
# renders its own
# self.markupdict['tweak'] = Indicator(*spos, canvas = self)
tweak = spos[0] - dpos[0], spos[1] - dpos[1]
ca.tweak_dict[self.current_hole] = tweak
self.request_redraw()
def normal_mouse_move(self, event):
# over a hole
ca = self.calibration_item
if ca:
for obj in self.mp.sample_holes:
hole = obj.id
pos = obj.x, obj.y
rot = ca.rotation
cpos = ca.center
aff = AffineTransform()
aff.translate(*cpos)
aff.rotate(rot)
aff.translate(-cpos[0], -cpos[1])
aff.translate(*cpos)
dpos = aff.transformPt(pos)
pos = self.map_screen([dpos])[0]
if abs(pos[0] - event.x) <= 10 and abs(pos[1] - event.y) <= 10:
event.window.set_pointer(self.select_pointer)
event.handled = True
self.current_hole = hole
break
if not event.handled:
self.current_hole = None
super(MapCanvas, self).normal_mouse_move(event)
def normal_left_down(self, event):
super(MapCanvas, self).normal_left_down(event)
if self.current_hole is not None:
# and not event.handled
ca = self.calibration_item
if ca is not None:
if hasattr(event, 'item'):
if hasattr(ca, 'right'):
if event.item.right is ca.right:
return
rot = ca.rotation
cpos = ca.center
aff = AffineTransform()
aff.translate(*cpos)
aff.rotate(rot)
aff.translate(-cpos[0], -cpos[1])
aff.translate(*cpos)
mpos = self.mp.get_hole_pos(self.current_hole)
# dpos = aff.transformPt(mpos)
dpos = aff.transform(*mpos)
spos = self.map_data((event.x, event.y))
# not much point in adding an indicator because the hole
# renders its own
# self.markupdict['tweak'] = Indicator(*spos, canvas = self)
tweak = spos[0] - dpos[0], spos[1] - dpos[1]
ca.tweak_dict[self.current_hole] = tweak
self.request_redraw()
def raster_rubberband_pattern(cx, cy, offset, l, dx, rotation, single_pass):
a = AffineTransform()
a.translate(cx, cy)
a.rotate(rotation)
a.translate(-cx, -cy)
# print offset, l
n = int((l + 2 * offset) / dx)
if n*dx<=l+2*offset:
n = n+1 if n%2 else n
dx = (l+2*offset)/float(n+1)
n = int((l + 2 * offset) / dx)
for i in xrange(0, n+1):
y = cy - offset if i % 2 else cy + offset
yield a.transform(cx - offset + dx * i, y)
if not single_pass:
for i in xrange(0, n+1):
y = cy - offset if i % 2 else cy + offset
yield a.transform(cx +l+offset - dx * i, y)
yield a.transform(cx-offset, cy+offset)
def trough_pattern(cx, cy, length, width, rotation, use_x):
"""
1 -------------- 2
| |
4 -------------- 3
"""
p1 = (cx, cy)
p2 = (cx + length, cy)
p3 = (cx + length, cy - width)
p4 = (cx, cy - width)
a = AffineTransform()
a.translate(cx, cy)
a.rotate(rotation)
a.translate(-cx, -cy)
if use_x:
ps = (p1, p2, p4, p3, p1)
else:
ps = (p1, p2, p3, p4, p1)
for p in ps:
yield a.transform(*p)
def map_to_calibration(self, pos, cpos=None, rot=None,
use_modified=False,
scale=None,
translate=None):
cpos, rot, scale = self._get_calibration_params(cpos, rot, scale)
a = AffineTransform()
# if translate:
# a.translate(*translate)
# if scale:
a.scale(scale, scale)
if use_modified:
a.translate(*cpos)
# print cpos, rot, scale
a.rotate(rot)
a.translate(-cpos[0], -cpos[1])
if use_modified:
a.translate(*cpos)
pos = a.transform(*pos)
return pos
def map_to_calibration(self, pos, cpos=None, rot=None,
use_modified=False,
scale=None,
translate=None):
cpos, rot, scale = self._get_calibration_params(cpos, rot, scale)
a = AffineTransform()
# if translate:
# a.translate(*translate)
# if scale:
a.scale(scale, scale)
if use_modified:
a.translate(*cpos)
# print cpos, rot, scale
a.rotate(rot)
a.translate(-cpos[0], -cpos[1])
if use_modified:
a.translate(*cpos)
pos = a.transform(*pos)
return pos
class UVAnalysisImage(ImageViewer):
open_button = Button
define_points = Button
define_points_label = String
_defining_points = False
#===============================================================================
# handlers
#===============================================================================
def _set_reference_point(self, pt):
'''
assumes no rotation of the reference frames
only scale and translate
'''
rp = ReferencePoint(pt)
info = rp.edit_traits()
if info.result:
plot = self.plot
self.points.append(((rp.x, rp.y), pt))
# if not self.reference_pt1:
# self.reference_pt1 = (rp.x, rp.y), pt
# else:
# # calculate bounds
# dp1, sp1 = self.reference_pt1
# dp2, sp2 = (rp.x, rp.y), pt
#
#
# w = plot.width
# h = plot.height
# if sp1[0] < sp2[0]:
# sx1, sx2 = sp1[0], sp2[0]
# x1, x2 = dp1[0], dp2[0]
# else:
# sx2, sx1 = sp1[0], sp2[0]
# x2, x1 = dp1[0], dp2[0]
#
# if sp1[1] < sp2[1]:
# sy1, sy2 = sp1[1], sp2[1]
# y1, y2 = dp1[1], dp2[1]
# else:
# sy2, sy1 = sp1[1], sp2[1]
# y2, y1 = dp1[1], dp2[1]
#
# pxperunit = abs((sx2 - sx1) / (x2 - x1))
#
# li = x1 - sx1 / pxperunit
# hi = x2 + (w - sx2) / pxperunit
# lv = y1 - sy1 / pxperunit
# hv = y2 + (h - sy2) / pxperunit
#
# plot.index_range.low_setting = li
# plot.index_range.high_setting = hi
# plot.value_range.low_setting = lv
# plot.value_range.high_setting = hv
#
plot.request_redraw()
def _define_points_fired(self):
if self.plot:
plot = self.plot
if not self._defining_points:
self.points = []
st = ReferencePointsTool(plot)
st.on_trait_change(self._set_reference_point,
'current_position')
self.points_tool = st
plot.tools.insert(0, st)
self.define_points_label = 'Finish'
plot.overlays.append(
ReferencePointsOverlay(tool=st, component=plot))
else:
self.define_points_label = 'Define Points'
self.points_tool.on_trait_change(self._set_reference_point,
'current_position',
remove=True)
plot.tools.pop(0)
plot.overlays.pop(-1)
self._calculate_affine_transform(self.points)
self._defining_points = not self._defining_points
def load_points(self, path):
points = [(100, 100), (300, 400), (200, 300)]
if os.path.isfile(path):
points = loadtxt(path, delimiter=',')
po = PointOverlay(component=self.plot, points=points)
self.plot.overlays.append(po)
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 traits_view(self):
image = Item('container',
style='custom',
show_label=False,
editor=ComponentEditor())
v = View(Item('open_button', show_label=False),
Item('define_points',
enabled_when='plot',
editor=ButtonEditor(label_value='define_points_label'),
show_label=False),
image,
resizable=True)
return v
class UVAnalysisImage(ImageViewer):
open_button = Button
define_points = Button
define_points_label = String
_defining_points = False
#===============================================================================
# handlers
#===============================================================================
def _set_reference_point(self, pt):
'''
assumes no rotation of the reference frames
only scale and translate
'''
rp = ReferencePoint(pt)
info = rp.edit_traits()
if info.result:
plot = self.plot
self.points.append(((rp.x, rp.y), pt))
# if not self.reference_pt1:
# self.reference_pt1 = (rp.x, rp.y), pt
# else:
# # calculate bounds
# dp1, sp1 = self.reference_pt1
# dp2, sp2 = (rp.x, rp.y), pt
#
#
# w = plot.width
# h = plot.height
# if sp1[0] < sp2[0]:
# sx1, sx2 = sp1[0], sp2[0]
# x1, x2 = dp1[0], dp2[0]
# else:
# sx2, sx1 = sp1[0], sp2[0]
# x2, x1 = dp1[0], dp2[0]
#
# if sp1[1] < sp2[1]:
# sy1, sy2 = sp1[1], sp2[1]
# y1, y2 = dp1[1], dp2[1]
# else:
# sy2, sy1 = sp1[1], sp2[1]
# y2, y1 = dp1[1], dp2[1]
#
# pxperunit = abs((sx2 - sx1) / (x2 - x1))
#
# li = x1 - sx1 / pxperunit
# hi = x2 + (w - sx2) / pxperunit
# lv = y1 - sy1 / pxperunit
# hv = y2 + (h - sy2) / pxperunit
#
# plot.index_range.low_setting = li
# plot.index_range.high_setting = hi
# plot.value_range.low_setting = lv
# plot.value_range.high_setting = hv
#
plot.request_redraw()
def _define_points_fired(self):
if self.plot:
plot = self.plot
if not self._defining_points:
self.points = []
st = ReferencePointsTool(plot)
st.on_trait_change(self._set_reference_point, 'current_position')
self.points_tool = st
plot.tools.insert(0, st)
self.define_points_label = 'Finish'
plot.overlays.append(ReferencePointsOverlay(tool=st, component=plot))
else:
self.define_points_label = 'Define Points'
self.points_tool.on_trait_change(self._set_reference_point, 'current_position', remove=True)
plot.tools.pop(0)
plot.overlays.pop(-1)
self._calculate_affine_transform(self.points)
self._defining_points = not self._defining_points
def load_points(self, path):
points = [(100, 100),
(300, 400),
(200, 300)
]
if os.path.isfile(path):
points = loadtxt(path, delimiter=',')
po = PointOverlay(component=self.plot,
points=points
)
self.plot.overlays.append(po)
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 traits_view(self):
image = Item('container', style='custom', show_label=False,
editor=ComponentEditor()
)
v = View(
Item('open_button', show_label=False),
Item('define_points',
enabled_when='plot',
editor=ButtonEditor(label_value='define_points_label'),
show_label=False),
image,
resizable=True
)
return v