profilometry

Short definition from Wiktionary

Noun

1. 1
   The use of a technique in the measurement and profiling of an object.
2. 2
   The methodology of performing eddy current profiling of tubing.
3. 3
   The technique in which a diamond stylus, in contact with a sample, measures surface variations as a function of position.
4. 4
   The use of a laser or white-light, computer-generated projections to perform surface measurements of three dimensional objects.