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?? CH2o[&
System being written to file geo_bld.sys SE\`JGA[
--- SYSTEM NEW; RESET; RAYS 0 @`3)?J[w
0 rays defined Y#G '[N>
--- $PLOT NORM i^8Zp;O"f
--- $IO PLOT q+z,{K
--- SYSTEM FROM GEO_BLD ~7*HZ:.
System being read from file geo_bld.sys /{lls2ycW%