The metasurface: applying natural neighbour interpolation to two-to-many mapping

  • Authors:
  • Ross Bencina

  • Affiliations:
  • Barcelona, Spain

  • Venue:
  • NIME '05 Proceedings of the 2005 conference on New interfaces for musical expression
  • Year:
  • 2005

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Abstract

This report describes The Metasurface - a mapping interface supporting interactive design of two-to-many mappings through the placement and interpolation of parameter snapshots on a plane. The Metasurface employs natural neighbour interpolation, a local interpolation method based on Voronoi tessellation, to interpolate between parameter snapshots. Compared to global field based methods, natural neighbour interpolation offers increased predictability and the ability to represent multi-scale surfaces. An implementation of the Metasurface in the AudioMulch software environment is presented and key architectural features of AudioMulch which facilitate this implementation are discussed.