Scattered data interpolation in three or more variables
Mathematical methods in computer aided geometric design
Numerical recipes in C (2nd ed.): the art of scientific computing
Numerical recipes in C (2nd ed.): the art of scientific computing
Fundamentals of computer aided geometric design
Fundamentals of computer aided geometric design
NURB curves and surfaces: from projective geometry to practical use
NURB curves and surfaces: from projective geometry to practical use
Design of accurate and smooth filters for function and derivative reconstruction
VVS '98 Proceedings of the 1998 IEEE symposium on Volume visualization
VIS '99 Proceedings of the conference on Visualization '99: celebrating ten years
Reconstruction and representation of 3D objects with radial basis functions
Proceedings of the 28th annual conference on Computer graphics and interactive techniques
Smooth surface reconstruction from noisy range data
Proceedings of the 1st international conference on Computer graphics and interactive techniques in Australasia and South East Asia
IEEE Computer Graphics and Applications
A two-dimensional interpolation function for irregularly-spaced data
ACM '68 Proceedings of the 1968 23rd ACM national conference
An evaluation of reconstruction filters for volume rendering
VIS '94 Proceedings of the conference on Visualization '94
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Discrete 2D survey data is common in the areas of business, science and government. Visualisation is often used to present such data. The best form of visualisation depends on how the visualisation is to be used. In this paper we present a study of interpolation and approximation techniques for creating visualisations of 2D survey data to be used to present the data to a non-technical audience. We use and modify techniques from the fields of computer-aided design, medical imaging and scientific visualization and we evaluate and compare their suitability for interpolation of the data.