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?? p3Ozfk
System being written to file geo_bld.sys P_'{|M<?
--- SYSTEM NEW; RESET; RAYS 0 &*Xrh7K2e
0 rays defined v(GnG
--- $PLOT NORM x)Zb:"
--- $IO PLOT RN|Bk
--- SYSTEM FROM GEO_BLD ^M%P43
System being read from file geo_bld.sys K\xnQeS<W