Drawing management manner and drawing management device and its drawing method of presentation

摘要

PURPOSE:To easily recognize an object by making the drawing data of installation hierarchical based upon its constitution, storing the hierarchical data and displaying the hierarchical drawing data emphasized in accordance with an instruction. CONSTITUTION:A CPU 201 displays a map 103 or the like on the display part 205A of a CRT by referring to a main memory 202 and displays the hierarchical installation drawing of each constitution such as water, gas and electricity on the hierarchical display area 104 of the display part 205A. When an optional hierarchy is pointed out by a mouse 207 or the like while monitoring the display of the area 104, the reference or the like of a hierarchical index table 107 in the main memory is executed, an emphasized display step 108 is executed by a CPU 17 and the drawing data of the specified hierarchy are displayed with emphasis. Consequently, the objective hierarchy can easily be recognized and rapidly and accurately observed.