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authorMattias Andrée <maandree@operamail.com>2014-04-05 14:39:38 +0200
committerMattias Andrée <maandree@operamail.com>2014-04-05 14:39:38 +0200
commitcd88e2b92cf7ae6e43c3a1baf97048ddd72f8e49 (patch)
treed79a8225e5c3d959b7a422e5df0c8229bce05b36 /info/blueshift.texinfo
parentsplit aux into aux and interpolation (diff)
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add interpolate_function
Signed-off-by: Mattias Andrée <maandree@operamail.com>
Diffstat (limited to 'info/blueshift.texinfo')
-rw-r--r--info/blueshift.texinfo13
1 files changed, 12 insertions, 1 deletions
diff --git a/info/blueshift.texinfo b/info/blueshift.texinfo
index 8433a6b..ac2ab8c 100644
--- a/info/blueshift.texinfo
+++ b/info/blueshift.texinfo
@@ -1537,7 +1537,8 @@ by invoking them.
@section Interpolation
ICC profiles and curves that have beens turned
-into functions with @code{functionise} have lower
+into functions with @code{functionise}, or curves
+read from the current adjustments, have lower
input resolution that the input they receive;
to compensate for this, nearest-neighbour
interpolation is used. If you want to better
@@ -1574,6 +1575,16 @@ is the same for the original curves and the
scaled up curves. It is recommended to
use the order: red, green and blue.
+However, often these lookup tables are
+oftern turned in to functions. To interpolate
+a function, you can use the function
+@code{interpolate_function}, it takes
+two arguments: the function that applies
+adjustments from a lookup table, and
+a function that interpolates a lookup
+table trio. It returns a function that
+applies the interpolated lookup table.
+
@node Configuration examples