pentachora

Description

A pentachora element stores the entire set of pentachora that form a 4-dimensional triangulation.

The total number of pentachora must be specified by the npent attribute. The individual pentachora are numbered 0, 1, 2, etc., and their facet gluings are described by the corresponding child pent elements. There must be precisely npent child pent elements in total.

Attributes

Example

The following XML snippet represents a triangulation of the product B³×S¹, formed from two pentachora.

<pentachora npent="2">
  <pent> 1 13380 -1 -1 -1 -1 -1 -1 1 2257 </pent>
  <pent> 0 13380 -1 -1 -1 -1 -1 -1 0 2257 </pent>
</pentachora>