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?? 2&*r1NXBE
System being written to file geo_bld.sys JffjGf-o
--- SYSTEM NEW; RESET; RAYS 0 pk&kJ307
0 rays defined d*7nz=0&$
--- $PLOT NORM eKdF-;
--- $IO PLOT =nQ"ye
--- SYSTEM FROM GEO_BLD "PA:
System being read from file geo_bld.sys MB$K ?"Y