Importance

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Abstract

A cutting direction input method in automatic programming for deciding a path cutting direction, includes the following steps. A path trajectory comprising a number of path blocks (b.sub.1 .about.b.sub.15), is displayed on a display screen (105) by using path data, and a path starting point side (P.sub.2) or path end point side (P15) is indicated by a cursor (CSR). The cutting direction is entered by operating a cutting direction input switch when the path starting point side (P.sub.2) is being indicated by the cursor (CSR), in a case where cutting is to be performed from the path starting point (P.sub.1) toward the path end point (P.sub.16). The cutting direction is entered by operating the cutting direction input switch when the path end point side (P.sub.15) is being indicated by the cursor (CSR), in a case where cutting is to be performed from the path end point (P.sub.16) toward the path starting point (P.sub.1).

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First Claim