new
geometry import gocad1.dxf ;导入坡面曲面
gen zone brick p0 0 0 -10 p1 320 0 -10 p2 0 220 -10 p3 0 0 0 size 320 220 10 group 1 ;建立辅助单元体,其中p3值为建成后模型底部的高程
gen topo geomset gocad1 seg 12 group 2 range x 0 270 ;12表示Z方向上的单元个数
;delete zone range group 1
plot zone