| 摘要 |
Methods are described herein for using a tree structure representation for searching selected areas of a programmable device layout in order to determine the existing component configuration of a device. The tree structure may be generated by assigning root nodes, branch nodes and leaf nodes to portions of a tree structure. A search algorithm may walk the tree structure representation of the device layout to determine the existing component configuration of the device of a selected portion of the device layout. The tree structure is simplified by each node of a set of sister nodes on the tree representing equally sized sub-area of the device layout. The tree structure is capable of representing units of layout of multiple different sizes and non-uniform layout units that may straddle more than one sub-area.
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