From 4ba6feba180089c2b27389f2e328e6e2e0edcc78 Mon Sep 17 00:00:00 2001 From: cignoni Date: Thu, 17 Nov 2005 00:58:28 +0000 Subject: [PATCH] Better Histogram description --- apps/metro/readme.txt | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/apps/metro/readme.txt b/apps/metro/readme.txt index 0195cdbb..02bfc2bf 100644 --- a/apps/metro/readme.txt +++ b/apps/metro/readme.txt @@ -85,7 +85,8 @@ where "file1" and "file2" are the input meshes in PLY, OFF or STL format, and op -H Use an Hashed Uniform Grid as Search Structure -The -C option is useful for creating a set of meshes with a coherent coloring scheme. +The -C option is useful in combination with -c option for creating a set of +meshes with a coherent coloring scheme. It sets how the errors are mapped into color according to the following formula, let e be the error and ColorRamp be a R->RGB function mapping 0..1 values into a smooth RedYellowGreenCyanBlue ramp: @@ -93,3 +94,6 @@ into a smooth RedYellowGreenCyanBlue ramp: e=Clamp(e,min,max); VertexColor = ColorRamp( (e-min)/(max-min) ); +The Histogram files saved by the -h option contains two column of numbers +e_i and p_i; p_i denotes the fraction of the surface having an error +between e_i and e_{i+1}. The sum of the second column values should give 1. \ No newline at end of file