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?? s}Go")p<:
System being written to file geo_bld.sys 5CcX'*P
--- SYSTEM NEW; RESET; RAYS 0 ns5Dydo{T
0 rays defined Z/: yYSq
--- $PLOT NORM ^|vk^`S
--- $IO PLOT rq7yNt
--- SYSTEM FROM GEO_BLD ]Oo!>iTQi
System being read from file geo_bld.sys DC> R