| 摘要 |
A graphic processing apparatus makes a scan of graphic primitives of a target graphic object to search for an outermost closed figure, and displays the scanned graphic primitives, a search starting point, a turnaround point, and a region surrounded by the scanned graphic primitives and hatched for discernment from other regions. Thus, an operator can judge whether or not the outline of the target graphic object forms a closed figure. If the outline forms no closed figure, the operator can easily judge which graphic primitive is unconnected.
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