PURPOSE: To easily and properly generate lead-out lines with remarks in various form as desired and to greatly facilitate the operation. ;CONSTITUTION: A lead-out line generation part 18 responds to the decision result of a decision processing part 17 to generate remark lead-out line data by adding the remark inputted from a remark input part 13 to the lead-out line from a start point indicated by a start point indication part 14 to a node indicated by a node indication part 15 when the direction indication by a direction indication part 16 is interrupted or remark lead-out line data by adding the remark inputted from the direction indication part 16 to a lead-out line which extends from the start point indicated by the start point indication part 14 and is bent at the node indicated by the node indication part 15 in a bending lead-out direction indicated by a direction indication part 16 when the direction indication is made. A writing/rewriting control part 20 writes the remark lead- out line data, generated by the lead-out line generation part 18, on drawing data which are displayed on a display 3 and stored in a memory 19.;COPYRIGHT: (C)1993,JPO&Japio
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