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?? sFU< PgV
System being written to file geo_bld.sys 0D-`>_
--- SYSTEM NEW; RESET; RAYS 0 m 2H4V+M+
0 rays defined f~IJ4T2#N
--- $PLOT NORM lU
WXXuO]
--- $IO PLOT E&[5b4D@<
--- SYSTEM FROM GEO_BLD i1iP'`r
System being read from file geo_bld.sys g40Hj Y