def plot_intrinsic(X, w, h):
svg = MYSVGWriter(640, 480, -100, -100, 100, 100)
x_prev, y_prev = None, None
for row in X:
x= 10**1*row[0] #to scale data
y= 10**1*row[1] #to scale data
svg.dot(x ,y,1, 0x008080)
if x_prev and y_prev:
svg.line(x_prev, y_prev, x, y, .05, 0xc0c0c0)
x_prev=x
y_prev=y
svg.svgprint("intrinsic.svg")
