| 摘要 |
PROBLEM TO BE SOLVED: To provide a technique for starting mapping from an arbitrary element in a structure. SOLUTION: Data for identifying a start element in a structure are obtained (100), the start element is arranged at a start position in a rendering space (102), and then the position of the element in a negative curvature space is mapped to the position in the rendering space for each of the set of the other elements in the structure. The set of the other elements include at least a master and slave of the start elements, and each element in the set can reach from the start element through a path passing through only the element in the set. At the time of mapping the position of each element in the set, the position of the element the rendering space can be obtained by using the relative position of the element to the preceding element in the negative curvature space and the position of the preceding element in the rendering space.
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