CEC Faculty Articles

Title

Fast Generation and Display of Iso-Surface Wireframes

Document Type

Article

Date

11-1992

Publication Title

CVGIP: Graphical Models and Image Processing

ISSN or ISBN

1049-9652

Volume

54

Issue

6

First Page

473

Last Page

483

Description

The paper presents a method for generating and displaying wireframe approximations to surfaces of constant value (or iso-surfaces). Input to the method is a data grid, a volume decomposition with each of whose vertices is associated a scalar value. During a preprocessing phase, the method constructs a threshold-independent data structure based upon the given data grid. The data structure relates the edges of an iso-surface wireframe to the edges of the data grid, for all possible threshold values. During the subsequent rendering phase, the data structure supports efficient generation and display of the iso-surface wireframe corresponding to any selected threshold value. The technique is efficient enough to form the basis for an interactive software system for visualizing iso-surfaces.

DOI

10.1016/1049-9652(92)90067-8

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