Towards a new definition of areal surface texture parameters on freeform surface

Luca Pagani, Qunfen Qi, Xiangqian Jiang, Paul J. Scott*

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

37 Citations (Scopus)


Current definitions and computation of areal surface texture parameters are based on planar, measured or unwrapped, surface which is not applicable for non planar irregular meshes. In this paper an extension of areal surface texture parameters (height and hybrid parameters) for freeform surface is proposed. The proposed method can be used for both general and complex surfaces and it works well on surfaces where there are undercuts and non uniformly spaced points. The proposed method has been tested on six sets of different types of surfaces and the computed parameter results were compared with the values of the parameters defined in ISO 25178-2:2012.

Original languageEnglish
Pages (from-to)281-291
Number of pages11
JournalMeasurement: Journal of the International Measurement Confederation
Publication statusPublished - Oct 2017

Bibliographical note

Publisher Copyright:
© 2017 The Author(s)


  • Areal texture parameters
  • Freeform surface characterisation
  • Parametric surface
  • Surface reconstruction


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