Interpolation Code

interpolation.py

bituAsphHueMax = 100.0
bituAsphHueMean = 50.0
bituAsphHueMin = 0.0
bituAsphLumMax = 100.0
bituAsphLumMean = 50.0
bituAsphLumMin = 0.0
bituAsphSatMax = 100.0
bituAsphSatMean = 50.0
bituAsphSatMin = 0.0
brickPavHueMax = 100.0
brickPavHueMean = 50.0
brickPavHueMin = 0.0
brickPavLumMax = 100.0
brickPavLumMean = 50.0
brickPavLumMin = 0.0
brickPavSatMax = 100.0
brickPavSatMean = 50.0
brickPavSatMin = 0.0
concreteHueMax = 100.0
concreteHueMean = 50.0
concreteHueMin = 0.0
concreteLumMax = 100.0
concreteLumMean = 50.0
concreteLumMin = 0.0
concreteSatMax = 100.0
concreteSatMean = 50.0
concreteSatMin = 0.0
grassTurfHueMax = 100.0
grassTurfHueMean = 50.0
grassTurfHueMin = 0.0
grassTurfLumMax = 100.0
grassTurfLumMean = 50.0
grassTurfLumMin = 0.0
grassTurfSatMax = 100.0
grassTurfSatMean = 50.0
grassTurfSatMin = 0.0

hue = 20.0
sat = 30.0
lum = 40.0

def trueInterpolate(x,xmin,xmax,ymin,ymax):
  return ymin+(ymax-ymin)*((x-xmin)/(xmax-xmin))

def interpolate(x,xmin,xmax):
  return ((x-xmin))/(xmax-xmin)

def distance3d(xa,ya,za,xb,yb,zb):
  return ((xb-xa)**2 + (yb-ya)**2 + (zb-za)**2)**0.5

def distance2d(xa,ya,xb,yb):
  return ((xb-xa)**2 + (yb-ya)**2)**0.5

def distance(xa,xb):
  return xb-xa

def chooseScore(x,maximum,mean,minimum):
  print x, maximum, mean, minimum
  if distance(x,mean) > 0:
    print "interpolate relative to min"
    return interpolate(x,minimum,mean)
  else:
    print "interpolate relative to max"
    return interpolate(x,maximum,mean)

hueScore = chooseScore(hue,grassTurfHueMax,grassTurfHueMean,grassTurfHueMin)
satScore = chooseScore(sat,grassTurfSatMax,grassTurfSatMean,grassTurfSatMin)
lumScore = chooseScore(lum,grassTurfLumMax,grassTurfLumMean,grassTurfLumMin)

#score = (hueScore + satScore+ lumScore)/3
score = 1-distance3d(hueScore,satScore,lumScore,1,1,1)/(3**0.5)
print hueScore, satScore, lumScore

print score