Document Type and Number:
Japanese Patent JPS6246033
Kind Code:
B2
Abstract:
PURPOSE:To extract the block pattern of a logical circuit by aiming at only the block pattern of the logical circuit, by extracting one straight-line part constituting the pattern, and by extracting other straight-line parts on the basis of the said part. CONSTITUTION:An original figure vector D1 sections segments on an original figure into straight-line components between two out of a cross branch point, a T branch point and an L branch point. An output from the vector D1 is sent to a block- pattern one-side component extraction processing part D3. Here, a straight-line component constituting the left side of a vertical component constituting a logical block pattern has both terminal pints at prescribed coordinate positions. Further, linkage codes at both the terminal points are extracted by either one of I, and a label is given to the 1st extracted straight-line part.
Inventors:
YOSHIDA MASUMI
SHIMIZU SHINICHI
MATSURA TOSHIO
INOE AKIRA
SHIMIZU SHINICHI
MATSURA TOSHIO
INOE AKIRA
Application Number:
JP10387780A
Publication Date:
September 30, 1987
Filing Date:
July 29, 1980
Export Citation:
Assignee:
FUJITSU LTD
International Classes:
G06F17/50
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