``Level Slicing'' - pull out a range of gray values

VFX name:

iLevelSlicing.

IMPROPTU name:

Level_Slicing.

purpose:

This assigns all voxels with a gray value greater than or equal to ``Low gray value'' and less than or equal to ``High gray value'' to white and sets all other voxels to black.

input:

An 8-bit volume.

output:

A volume with only two possible gray values.

parameters:

Default parameters menu is

low_gray_val = 96
high_gray_val = 160
white_gray_val = 1

comments:

1.

In Expert mode the user can set the gray value for desired voxels to either '1' or '255'.