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?? p 3*y8g-
System being written to file geo_bld.sys -*T<^G;rK
--- SYSTEM NEW; RESET; RAYS 0 O^,%V{]6\
0 rays defined 1$#{om9
--- $PLOT NORM z nxAP|
--- $IO PLOT l@OY8z-_
--- SYSTEM FROM GEO_BLD K-CF5i:
System being read from file geo_bld.sys nF!6