## The production of volume data from triangular meshes using voxelisation (1996)

Venue: | Computer Graphics Forum |

Citations: | 48 - 9 self |

### BibTeX

@ARTICLE{Jones96theproduction,

author = {Mark W. Jones},

title = {The production of volume data from triangular meshes using voxelisation},

journal = {Computer Graphics Forum},

year = {1996},

volume = {15},

pages = {311--318}

}

### Years of Citing Articles

### OpenURL

### Abstract

Voxelisation is the term given to the process of converting data from one source type into a three dimensional volume of data values. The techniques known collectively as volume visualisation can then be applied to the data in order to produce a graphical representation of the object. This paper gives a practical approach to the voxelisation of data in the form of triangular meshes, and demonstrates the use of the method on various datasets. Visualisation is achieved by a method also described in the paper.

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Citation Context ...he threshold value and setting an eight bit flag, b8b7b6b5b4b3b2b1, as: � 0 if the value of voxel i � τ bi� 1 if the value of voxel i � τ A cube is transverse if its flag is of the binary value be(2) =-=(3)-=- c The Eurographics Association and Blackwell Publishers 2000.sMark W. Jones / The Production of Volume Data from Triangular Meshes Using Voxelisation tween 00000001 and 11111110. Once a transverse c... |

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Citation Context ...¯ reducing the number of triangles which the distance has to be computed with. These three areas are all addressed in the next sections. c The Eurographics Association and Blackwell Publishers 2000. =-=(4)-=- (5) 3.1. Reduction of distance function calculations It can be observed that it is not necessary for the value of every voxel to be accurately computed. In the direct surface rendering phase, the alg... |

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(Show Context)
Citation Context ...ducing the number of triangles which the distance has to be computed with. These three areas are all addressed in the next sections. c The Eurographics Association and Blackwell Publishers 2000. (4) =-=(5)-=- 3.1. Reduction of distance function calculations It can be observed that it is not necessary for the value of every voxel to be accurately computed. In the direct surface rendering phase, the algorit... |

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Citation Context ...st the threshold value and setting an eight bit flag, b8b7b6b5b4b3b2b1, as: � 0 if the value of voxel i � τ bi� 1 if the value of voxel i � τ A cube is transverse if its flag is of the binary value be=-=(2)-=- (3) c The Eurographics Association and Blackwell Publishers 2000.sMark W. Jones / The Production of Volume Data from Triangular Meshes Using Voxelisation tween 00000001 and 11111110. Once a transver... |

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Citation Context ...ject into voxel data, but the surface produced is highly dependent upon the density of the chosen voxel data. As mentioned before, images produced from such data often exhibit a blockiness 24 because =-=(1)-=- a binary decision is being made at each voxel – it is either inside or not. In order to get a smoother description of the surface, a function which varies smoothly in the region of a surface is requi... |

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Citation Context ...the closest part of triangle P0P1P2 to P can be found by using the edge equation28 ,and once determined the distance can be found in a standard way. The edge equation is simply: E x�y � x X dYsysY dX =-=(7)-=- for a line passing through X�Y with gradient dY dX with respect to a point x�y .IfE� 0 the point is to the left of the line, if E � 0 to the right, and if E � 0, it is on the line. In Figure 1 we see... |

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