FIG tree creation supporting device and the auxiliary production method of a tree structure of FIG.

FIG FT creation supporting apparatus, comprising: an input portion, from the table calculation software in the performance data worksheet FIG FT tree structure, i.e., a first connection relationship data acquisition ruled line and a character string and ruled lines by a string, and from the obtained ruled line connection relationship and a character string included in the obtained event figure FT connection relationship between the event and, based on this and generates a tree structure of a markup language description of the FT FIG. a second data; and an editing unit for editing the second data, generating third data tree structure of FIG FT after editing a markup language description.