## Abstract

A table cartogram of a two dimensional m×n table A of non-negative weights in a rectangle R, whose area equals the sum of the weights, is a partition of R into convex quadrilateral faces corresponding to the cells of A such that each face has the same adjacency as its corresponding cell and has area equal to the cell's weight. Such a partition acts as a natural way to visualize table data arising in various fields of research. In this paper, we give a O(mn)-time algorithm to find a table cartogram in a rectangle. We then generalize our algorithm to obtain table cartograms inside arbitrary convex quadrangles, circles, and finally, on the surface of cylinders and spheres.

Original language | English |
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Pages (from-to) | 174-185 |

Number of pages | 12 |

Journal | Computational Geometry |

Volume | 68 |

DOIs | |

Publication status | Published - Mar 2018 |

## Keywords

- Cartogram
- Data visualization
- Grid map
- Tree map