genlut.c File Reference

generates a lookup table More...

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Detailed Description

generates a lookup table

Usage: genlut ncol minhue maxhue minlum maxlum minsat maxsat out.lut

Description: Generates a lookup table with a continuous color gradient.

A lookup table is represented by a special ppm image with 1 row.

Types supported: byte 2d

Category: convert

Author:

Michel Couprie