雷哥,请教一下按照那个教程第四章,按下preview all 后并未出现棱镜三维图,为什么呢?? U]Vu8$W
System being written to file geo_bld.sys &K_"5.7-56
--- SYSTEM NEW; RESET; RAYS 0 (gv1f
0 rays defined f@%H"8w!
--- $PLOT NORM %!G]H
--- $IO PLOT VE<&0d<
--- SYSTEM FROM GEO_BLD t@TBx=16
System being read from file geo_bld.sys _^<HlfOK