class Animator(object):
def __init__(self, template_w, template_h):
#set up figure
plt.ion()
#fig = plt.figure(figsize = (10,10))
fig = plt.figure(figsize=(template_w, template_h))
#print template_w, template_h
#raw_input()
ax = fig.gca()
#set axis dimension
ax.axis([
-2 * template_w / 2.0, 2 * template_w / 2.0, -2 * template_h / 2.0,
2 * template_h / 2.0
])
#ax.axis([-template_w/2.0, template_w/2.0,-template_h/2.0,template_h/2.0])
ax.get_xaxis().set_visible(True)
ax.get_yaxis().set_visible(True)
#draw template
self.plot_template(template_w, template_h)
#draw to screen
plt.draw()
plt.pause(0.1)
#save axes to object
self.ax = ax
#save animator canvas area
self.width = template_w
self.height = template_h
self.title = plt.text(0, 20, 'start title', color='k')
#plot template
def plot_template(self, l=20.0, w=20.0):
x_pos = [-l / 2, l / 2, l / 2, -l / 2, -l / 2]
y_pos = [-w / 2, -w / 2, w / 2, w / 2, -w / 2]
plt.plot(x_pos, y_pos, 'k-', linewidth=3.0)
plt.xlabel('x')
plt.ylabel('y')
def generate_color_array(self, collision):
#define colors (red = collision, blue = no collision)
colors = [None] * len(collision)
for i in range(len(collision)):
if collision[i] == True:
colors[i] = (1.0, 0.0, 0.0)
else:
colors[i] = (0.0, 0.0, 1.0)
return colors
#add circular objects
def add_circular_objects(self,
diameters,
positions,
collision,
pause_time=0.1):
circ_colors = self.generate_color_array(collision)
self.circles = EllipseCollection(widths=diameters,
heights=diameters,
angles=np.zeros_like(diameters),
units='xy',
offsets=positions,
transOffset=self.ax.transData,
edgecolor='k',
facecolor=circ_colors)
self.ax.add_collection(self.circles)
#add text label
text_labels = [None] * len(collision)
for i in range(len(collision)):
text_labels[i] = plt.text(positions[i, 0],
positions[i, 1],
str(i),
color='k')
self.circle_labels = text_labels
#draw to screen
#plt.draw()
#plt.pause(pause_time)
#remove text labels
#for i in range(len(collision)):
# text_labels[i].remove()
#add polygon objects
def add_polygon_objects(self, verts, collision, pause_time=0.1):
poly_colors = self.generate_color_array(collision)
self.polygons = PolyCollection(verts, facecolors=poly_colors)
self.ax.add_collection(self.polygons)
#add text label
num_circles = self.circles.get_offsets().shape[0]
#print 'number of circles =', num_circles
text_labels = [None] * len(collision)
for i in range(len(collision)):
temp = np.array(verts[i])
x = np.mean(temp[:, 0])
y = np.mean(temp[:, 1])
text_labels[i] = plt.text(x, y, str(i + num_circles), color='k')
self.polygon_labels = text_labels
plt.draw()
plt.pause(pause_time)
#remove text labels
#for i in range(len(collision)):
# text_labels[i].remove()
#remove circular objects:
def remove_circles(self):
self.circles.remove()
for label in self.circle_labels:
label.remove()
#remove polygon objects:
def remove_polygons(self):
self.polygons.remove()
for label in self.polygon_labels:
label.remove()
#update circular objects
def update_circular_objects(self, positions, collision, pause_time=0.1):
#set circle colors
circ_colors = self.generate_color_array(collision)
self.circles.set_facecolors(circ_colors)
#set circle positions
self.circles.set_offsets(positions)
#remove labels
for label in self.circle_labels:
label.remove()
#add labels
text_labels = [None] * len(collision)
for i in range(len(collision)):
text_labels[i] = plt.text(positions[i, 0],
positions[i, 1],
str(i),
color='k')
self.circle_labels = text_labels
plt.draw()
plt.pause(pause_time)
#update polygon objects
def update_polygon_objects(self, positions, collision, pause_time=0.1):
#set polygon colors
poly_colors = self.generate_color_array(collision)
self.polygons.set_facecolors(poly_colors)
#set polygon positions
#print 'new verts positions=' , positions
self.polygons.set_verts(positions)
#remove labels
for label in self.polygon_labels:
label.remove()
#self.title.remove()
#add new labels
num_circles = self.circles.get_offsets().shape[0]
#print self.polygons.get_offsets()
#assert(0)
text_labels = [None] * len(collision)
for i in range(len(collision)):
temp = np.array(positions[i])
x = np.mean(temp[:, 0])
y = np.mean(temp[:, 1])
text_labels[i] = plt.text(x, y, str(i + num_circles), color='k')
self.polygon_labels = text_labels
plt.draw()
plt.pause(pause_time)
#display the total area covered
def show_title(self, area, pause_time=0.1):
title = plt.text(-self.width / 4,
self.height,
'total covered area = ' + str(area),
color='k',
fontsize=20)
self.title.remove()
self.title = title
class Animator(object):
def __init__(self, template_w, template_h):
#set up figure
plt.ion()
fig = plt.figure(figsize = (10,10))
ax = fig.gca()
ax.axis([-template_w/2.0, template_w/2.0,-template_h/2.0,template_h/2.0])
ax.get_xaxis().set_visible(True)
ax.get_yaxis().set_visible(True)
#draw template
self.plot_template(template_w,template_h)
#draw to screen
plt.draw()
plt.pause(0.1)
#save axes to object
self.ax = ax
#plot template
def plot_template(self,l = 20.0, w = 20.0):
x_pos = [-l/2, l/2, l/2, -l/2, -l/2 ]
y_pos = [-w/2, -w/2, w/2, w/2, -w/2]
plt.plot(x_pos,y_pos,'k-',linewidth = 3.0)
plt.xlabel('x')
plt.ylabel('y')
def generate_color_array(self,collision):
#define colors (red = collision, blue = no collision)
colors = [None] * len(collision)
for i in range(len(collision)):
if collision[i] == True:
colors[i] = (1.0,0.0,0.0)
else:
colors[i] = (0.0,0.0,1.0)
return colors
#add circular objects
def add_circular_objects(self,diameters,positions,collision):
circ_colors = self.generate_color_array(collision)
self.circles = EllipseCollection(widths=diameters,
heights=diameters,
angles=np.zeros_like(diameters),
units='xy',
offsets=positions,
transOffset=self.ax.transData,
edgecolor='k', facecolor=circ_colors)
self.ax.add_collection(self.circles)
#add text label
text_labels = [None] * len(collision)
for i in range(len(collision)):
text_labels[i]= plt.text(positions[i,0],positions[i,1],str(i),color = 'w')
self.circle_labels = text_labels
#draw to screen
plt.draw()
plt.pause(0.1)
#remove text labels
#for i in range(len(collision)):
# text_labels[i].remove()
#add polygon objects
def add_polygon_objects(self,verts,collision):
poly_colors = self.generate_color_array(collision)
self.polygons = PolyCollection(verts, facecolors=poly_colors)
self.ax.add_collection(self.polygons)
#add text label
num_circles = self.circles.get_offsets().shape[1]
text_labels = [None] * len(collision)
for i in range(len(collision)):
temp = np.array(verts[i])
x = np.mean(temp[:,0])
y = np.mean(temp[:,1])
text_labels[i]= plt.text(x,y,str(i+num_circles),color = 'w')
self.polygon_labels = text_labels
plt.draw()
plt.pause(0.1)
#remove text labels
#for i in range(len(collision)):
# text_labels[i].remove()
#remove circular objects:
def remove_circles(self):
self.circles.remove()
for label in self.circle_labels:
label.remove()
#remove polygon objects:
def remove_polygons(self):
self.polygons.remove()
for label in self.polygon_labels:
label.remove()
#update circular objects
def update_circular_objects(self,positions,collision):
#set circle colors
circ_colors = self.generate_color_array(collision)
self.circles.set_facecolors(circ_colors)
#set circle positions
self.circles.set_offsets(positions)
#remove labels
for label in self.circle_labels:
label.remove()
#add labels
text_labels = [None] * len(collision)
for i in range(len(collision)):
text_labels[i]= plt.text(positions[i,0],positions[i,1],str(i),color = 'w')
self.circle_labels = text_labels
plt.draw()
plt.pause(0.1)
#update polygon objects
def update_polygon_objects(self,positions,collision):
#set polygon colors
poly_colors = self.generate_color_array(collision)
self.polygons.set_facecolors(poly_colors)
#set polygon positions
#print 'new verts positions=' , positions
self.polygons.set_verts(positions)
#remove labels
for label in self.polygon_labels:
label.remove()
#add new labels
num_circles = self.circles.get_offsets().shape[1]
#print self.polygons.get_offsets()
#assert(0)
text_labels = [None] * len(collision)
for i in range(len(collision)):
temp = np.array(positions[i])
x = np.mean(temp[:,0])
y = np.mean(temp[:,1])
text_labels[i]= plt.text(x,y,str(i+num_circles),color = 'w')
self.polygon_labels = text_labels
plt.draw()
plt.pause(0.1)
