model.py

# ds = [
# 1393427349.762955,260.5,
# 1393427349.798294,271.0,
# 1393427349.834312,287.5,
# 1393427349.869154,301.5,
# 1393427349.905518,313.0,
# 1393427349.943190,329.5,
# 1393427349.977508,333.0,
# 1393427350.012137,334.5,
# 1393427350.072420,335,
# 1393427350.107153,334.5,
# 1393427350.142865,332.5,
# 1393427350.178371,330.5,
# 1393427350.212909,325.0,
# 1393427350.249384,314.5,
# 1393427350.284305,302.5,
# 1393427350.319109,289.0,
# 1393427350.357535,275.5,
# 1393427350.397600,258.5,
# 1393427350.439761,216.5,
# 1393427350.478688,191.5,
# 1393427350.519510,165.5,
# 1393427350.558037,135.0,
# 1393427350.594701,102.0,
# 1393427350.629674,76.0,
# 1393427350.664212,45.0
# ]

ds = [
  1393428577.960543,572.5,
  1393428577.995835,568.5,
  1393428578.030105,559.0,
  1393428578.064999,548.5,
  1393428578.101124,535.0,
  1393428578.136100,521.0,
  1393428578.171180,505.5,
  1393428578.206828,487.0,
  1393428578.241655,464.5,
  1393428578.276841,441.5,
  1393428578.312448,416.5,
  1393428578.346235,385.5,
  1393428578.381141,356.5,
  1393428578.415847,329.0,
  1393428578.450665,300.5,
  1393428578.485649,272.5,
  1393428578.520188,214.5,
  1393428578.555150,187.0,
  1393428578.590010,158.5,
  1393428578.625029,130.0,
  1393428578.667838,95.5,
  1393428578.709072,67.0
]

start_time = ds[0]
start_pos = ds[1]

for i in range(len(ds)):
  if i % 2 == 0:
    ds[i] -= start_time
  else:
    ds[i] -= start_pos

stand_ds = []
for i in range(150):
  t = i/100.0
  for j in range(0,len(ds),2):
    if t < ds[j] and j > 0:
      pos1 = ds[j-1]
      pos2 = ds[j+1]
      pos = (t-ds[j-2])/(ds[j]-ds[j-2])*(pos2 - pos1) + pos1
      
      stand_ds.append((t,pos))
      break
      
for d in stand_ds:
  print "%f\t%f"%d