def debug_corners(opts):
with open(opts.filename) as f:
svg_str = f.read()
paths = svg.extract_paths(svg_str)
paths = svg.preprocess_paths(paths)
segments = svg.plan_segments(paths, resolution=config.CURVE_RESOLUTION)
segments = svg.add_pen_up_moves(segments)
step_segments = planning.convert_inches_to_steps(segments)
segments_limits = planning.plan_speed(step_segments)
up_xdata = []
up_ydata = []
up_speed = []
down_xdata = []
down_ydata = []
down_speed = []
def speed_to_opacity(speed, limit, min_opacity=0.2):
opacity = speed / limit
if opacity < min_opacity:
return min_opacity
elif opacity > 1.0:
return 1.0
else:
return opacity
def speed_to_color(speed, pen_up):
if pen_up:
return (1.0, 0.0, 0.0, speed_to_opacity(speed,
config.SPEED_PEN_UP))
else:
return (0.0, 0.1, 0.0,
speed_to_opacity(speed, config.SPEED_PEN_DOWN))
def record_point(point, vmax, pen_up):
x, y = point
y = -y
if pen_up:
up_xdata.append(x)
up_ydata.append(y)
up_speed.append(speed_to_color(vmax, pen_up))
else:
down_xdata.append(x)
down_ydata.append(y)
down_speed.append(speed_to_color(vmax, pen_up))
for segment, pen_up in segments_limits:
xdata = []
ydata = []
for point, vmax in segment:
record_point(point, vmax, pen_up)
xdata.append(point[0])
ydata.append(-point[1])
plt.plot(xdata, ydata, 'r-' if pen_up else 'g-')
plt.scatter(up_xdata, up_ydata, s=50, linewidths=0, c=up_speed)
plt.scatter(down_xdata, down_ydata, s=50, linewidths=0, c=down_speed)
show(opts)
def generate_actions(opts):
with open(opts.filename) as f:
svg_str = f.read()
paths = svg.extract_paths(svg_str)
paths = svg.preprocess_paths(paths)
segments = svg.plan_segments(paths, resolution=config.CURVE_RESOLUTION)
segments = svg.add_pen_up_moves(segments)
step_segments = planning.convert_inches_to_steps(segments)
segments_limits = planning.plan_speed(step_segments)
return planning.plan_actions(segments_limits, 1000, 1000)
def debug_connected_segments(opts):
with open(opts.filename) as f:
svg_str = f.read()
paths = svg.extract_paths(svg_str)
paths = svg.preprocess_paths(paths)
segments = svg.plan_segments(paths, resolution=config.CURVE_RESOLUTION)
segments = svg.add_pen_up_moves(segments)
for segment, pen_up in segments:
xdata = []
ydata = []
for (x, y) in segment:
xdata.append(x)
ydata.append(-y)
plt.plot(xdata, ydata, 'r-' if pen_up else 'g-')
show(opts)
def debug_paths(opts):
"""
Render an SVG file into paths, and then plot them with matplotlib.
"""
subdivide = 100
with open(opts.filename) as f:
svg_str = f.read()
paths = svg.extract_paths(svg_str)
paths = svg.preprocess_paths(paths)
for path in paths:
xdata = []
ydata = []
for n in range(subdivide + 1):
point = path.point(n / subdivide)
xdata.append(point.real)
ydata.append(-point.imag)
plt.plot(xdata, ydata, 'g-')
show(opts)
def debug_segments(opts):
"""
Render an SVG file into linear segments, and then plot them with
matplotlib.
"""
with open(opts.filename) as f:
svg_str = f.read()
paths = svg.extract_paths(svg_str)
paths = svg.preprocess_paths(paths)
segments = svg.plan_segments(paths, resolution=config.CURVE_RESOLUTION)
xdata = []
ydata = []
for segment in segments:
for (x, y) in segment:
xdata.append(x)
ydata.append(-y)
plt.plot(xdata, ydata, 'g-')
show(opts)