summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/interpolation.py4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/interpolation.py b/src/interpolation.py
index e81c93c..409bbdc 100644
--- a/src/interpolation.py
+++ b/src/interpolation.py
@@ -61,7 +61,7 @@ def cubicly_interpolate_ramp(r, g, b, tension = 0): # TODO demo and document ten
C = lambda c : c[:] if len(c) >= o_size else ([None] * o_size)
R, G, B = C(r), C(g), C(b)
# Basis functions
- h00 = lambda t : (1 + 2 * t) * (1 - t) ** 2
+ #h00 = lambda t : (1 + 2 * t) * (1 - t) ** 2
h10 = lambda t : t * (1 - t) ** 2
h01 = lambda t : t ** 2 * (3 - 2 * t)
h11 = lambda t : t ** 2 * (t - 1)
@@ -95,7 +95,7 @@ def cubicly_interpolate_ramp(r, g, b, tension = 0): # TODO demo and document ten
# Tangents
mj, mk = c_ * tangent(small, j, small_), c_ * tangent(small, k, small_)
# Interpolation
- large[i] = h00(w) * pj + h10(w) * mj + h01(w) * pk + h11(w) * mk
+ large[i] = pj + h10(w) * mj + h01(w) * (pk - pj) + h11(w) * mk
## Check local monotonicity
eliminate_halos(r, g, b, R, G, B)
return (R, G, B)