Study Of Drawing And Binding Mine Ventilation System Graphs And Net Ones

This thesis is about drawing mine ventilation system graphs , net graphs and binding them together by using AutoLISP /Visual LISP, VBA to second developing AutoCAD, binding the graph with the database (access) on the other hand. So checking the dates becomes very easy. Mine ventilation system graph and net graph are all drawing by single line or arc. The single-line mine ventilation system graph can be turned into double-line graph.Net graph is drawed from Topological which is built from the single-line mine system ventilation graph. By this way, it releases the drawer's work greatly and helps to mine ventilation visualization , management, design and net calculating.