def annotate_image( ellipses=None, old_pts=None, thickness=params.ellipse_thickness ):
"""Draw stuff on image."""
# draw ellipses
if ellipses is None:
linesegs = []
else:
linesegs = draw_ellipses( ellipses )
# draw tails
if old_pts is not None:
prevpts = {}
for frame_pts in old_pts:
for pt in frame_pts:
if prevpts.has_key(pt[2]):
prevpt = prevpts[pt[2]]
color = params.colors[pt[2]%len(params.colors)]
linesegs.append([prevpt[0]+1,prevpt[1]+1,
pt[0]+1,pt[1]+1,color])
prevpts[pt[2]] = pt[0:2]
return linesegs
def ShowImage(self):
im, stamp = params.params.movie.get_frame( int(self.show_frame) )
windowsize = [self.img_panel.GetRect().GetHeight(),self.img_panel.GetRect().GetWidth()]
self.GetBgImage()
if self.img_chosen == SHOW_UNFILTERED_OBSERVATIONS:
obs_unfiltered = self.GetObsUnfiltered()
plot_linesegs = ell.draw_ellipses(obs_unfiltered)
elif self.img_chosen == SHOW_FILTERED_OBSERVATIONS:
obs_filtered = self.GetObsFiltered()
plot_linesegs = ell.draw_ellipses(obs_filtered)
elif self.img_chosen == SHOW_SMALL_OBSERVATIONS:
obs_unfiltered = self.GetObsUnfiltered()
obs_small = []
for obs in obs_unfiltered:
if obs.area < params.params.minshape.area:
obs_small.append(obs)
plot_linesegs = ell.draw_ellipses(obs_small)
elif self.img_chosen == SHOW_LARGE_OBSERVATIONS:
obs_unfiltered = self.GetObsUnfiltered()
obs_large = []
for obs in obs_unfiltered:
if obs.area > params.params.maxshape.area:
obs_large.append(obs)
plot_linesegs = ell.draw_ellipses(obs_large)
elif self.img_chosen == SHOW_DELETED_OBSERVATIONS:
(obs_unfiltered,diddelete) = self.GetObsUnfiltered('diddelete')
obs_deleted = []
for (i,v) in enumerate(diddelete):
if v: obs_deleted.append(obs_unfiltered[i])
plot_linesegs = ell.draw_ellipses(obs_deleted)
elif self.img_chosen == SHOW_SPLIT_OBSERVATIONS:
(obs_unfiltered,didsplit) = self.GetObsUnfiltered('didsplit')
colors = []
obs_split = []
for (i,v) in enumerate(didsplit):
if len(v)>1:
for j in v:
colors.append(params.params.colors[i % len(params.params.colors)])
obs_split.append(obs_unfiltered[j])
plot_linesegs = ell.draw_ellipses(obs_split)
elif self.img_chosen == SHOW_MERGED_OBSERVATIONS:
(obs_unfiltered,didmerge) = self.GetObsUnfiltered('didmerge')
colors = []
obs_merge = []
for (i,v) in enumerate(didmerge):
if len(v)>1:
obs_merge.append(obs_unfiltered[i])
plot_linesegs = ell.draw_ellipses(obs_merge)
elif self.img_chosen == SHOW_LOWERED_OBSERVATIONS:
(obs_unfiltered,didlowerthresh) = self.GetObsUnfiltered('didlowerthresh')
obs_lowered = []
for (i,v) in enumerate(didlowerthresh):
if v: obs_lowered.append(obs_unfiltered[i])
plot_linesegs = ell.draw_ellipses(obs_lowered)
# MAXJUMP
elif self.img_chosen == SHOW_MAXJUMP:
# either grab or compute observations
obs_filtered = self.GetObsFiltered()
plot_linesegs = ell.draw_ellipses(obs_filtered)
# draw circles
for i,obs in enumerate(obs_filtered):
plot_new_stuff = imagesk.draw_circle(obs.center.x,
obs.center.y,params.params.max_jump,
params.params.colors[i%len(params.params.colors)])
plot_linesegs.extend(plot_new_stuff)
elif self.img_chosen == SHOW_MOTIONMODEL:
(target_prev,target_curr,target_pred) = self.GetTargetMotion()
# show the next frame, if there is one
nextframe = num.minimum(int(self.show_frame+1),params.params.n_frames-1)
im, stamp = params.params.movie.get_frame(nextframe)
# draw previous positions
plot_linesegs = ell.draw_ellipses(target_prev)
# draw current positions
plot_new_stuff = ell.draw_ellipses(target_curr,colors=[[255,255,0]])
plot_linesegs.extend(plot_new_stuff)
# draw predicted positions
plot_new_stuff = ell.draw_ellipses(target_pred)
plot_linesegs.extend(plot_new_stuff)
scaleunit = params.params.max_jump / params.params.DRAW_MOTION_SCALE
parcolor = [0,255,0]
perpcolor = [0,255,0]
anglecolor = [0,0,255]
for i in target_pred.iterkeys():
# compute direction of motion
vx = target_pred[i].center.x - target_curr[i].center.x
vy = target_pred[i].center.y - target_curr[i].center.y
thetamotion = num.arctan2(vy,vx)
# angle
theta = target_pred[i].angle
# we want to choose to add pi if that makes difference from motion direction smaller
dtheta = abs( ((theta - thetamotion + num.pi) % (2.*num.pi)) - num.pi )
if dtheta > (num.pi/2.):
theta += num.pi
# compute end points of parallel motion
x0 = target_pred[i].center.x + scaleunit*num.cos(theta)
x1 = target_pred[i].center.x - scaleunit*num.cos(theta)
y0 = target_pred[i].center.y + scaleunit*num.sin(theta)
y1 = target_pred[i].center.y - scaleunit*num.sin(theta)
# add parallel motion annotation line
plot_new_stuff = imagesk.draw_line(x0+1,y0+1,x1+1,y1+1,parcolor)
plot_linesegs.extend(plot_new_stuff)
# compute end points of perpendicular motion
x0 = target_pred[i].center.x + scaleunit*num.cos(num.pi/2.+theta)
x1 = target_pred[i].center.x - scaleunit*num.cos(num.pi/2.+theta)
y0 = target_pred[i].center.y + scaleunit*num.sin(num.pi/2.+theta)
y1 = target_pred[i].center.y - scaleunit*num.sin(num.pi/2.+theta)
# add perpendicular motion annotation line
plot_new_stuff = imagesk.draw_line(x0+1,y0+1,x1+1,y1+1,perpcolor)
plot_linesegs.extend(plot_new_stuff)
# compute end points of angular motion
if params.params.ang_dist_wt > 0:
dtheta = scaleunit*num.sqrt(1./params.params.ang_dist_wt)
if dtheta >= (num.pi/2.):
print 'dtheta is more than pi/2'
else:
theta0 = theta - dtheta
theta1 = theta + dtheta
# draw arc
plot_new_stuff = imagesk.draw_arc(target_pred[i].center.x,
target_pred[i].center.y,
scaleunit/2,
theta0,theta1,
anglecolor)
plot_linesegs.extend(plot_new_stuff)
im = imagesk.double2mono8(im,donormalize=False)
linesegs,im = imagesk.zoom_linesegs_and_image(plot_linesegs,im,self.zoomaxes)
(linesegs,linecolors) = imagesk.separate_linesegs_colors(linesegs)
self.img_wind.update_image_and_drawings('trackset',
im,
format='MONO8',
linesegs=linesegs,
lineseg_colors=linecolors
)
self.img_wind.Refresh(eraseBackground=False)
self.frame_number_text.SetLabel('Frame %d'%self.show_frame)
