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?? Nc()$Nl8
System being written to file geo_bld.sys U<|kA(5
--- SYSTEM NEW; RESET; RAYS 0 ~9#\+[ d_
0 rays defined SWvy<f4<
--- $PLOT NORM eNY$N_P
--- $IO PLOT 8QV+DDZx
--- SYSTEM FROM GEO_BLD yHT8I
System being read from file geo_bld.sys &]iX>m.