| 摘要 |
A system for designing a placement of a placement element comprises a placement element storage unit for storing placement element data on placement elements, a placement set unit for setting a placement of the placement element and a placement output unit for outputting the result of setting the placement. The placement set unit comprises a unit area data storage unit, a plurality of intra-virtual-placement-area placement element position storage units, a pointer storage unit and a placement control unit. A unit area data storage unit stores unit area data on unit areas each for placing a placement element. An intra-virtual-placement-area placement element position storage unit stores placement element data on placement elements in virtual placement areas. A pointer storage unit specifies placement element data stored in the intra-virtual-placement-area placement element position storage unit to which the unit areas split from the placement area correspond. A placement control unit sets the placement of placement elements in the placement area such that the placement elements whose placement element data are stored in the virtual placement areas are placed in respective unit areas stored in the unit area data storage unit.
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