macro里面編輯了格點(diǎn)光源的屬性和參數(shù)，出現(xiàn)警告：沒(méi)有可追跡光源   請(qǐng)問(wèn)如何解決？ yMt:
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附macro語(yǔ)句： B$qTH5)W  
(raytrace:set-grid-orientation-direction-vectors (gvector 0 0 -1)     (gvector 0 1 0)) w c  
   (raytrace:set-beam-angular-profile-solar) HPg%v|  
   (raytrace:set-beam-angular-weighting-uniform-flux) Tn9Fg7<  
   (raytrace:set-beam-orientation-perpendicular) &G?"I%Vw  
(raytrace:grid) ~n!&~  
  ;Select the surface of the sphere >!Xj%RW  
   (edit:select (body:find-face (entity 9) (gvector 0 0 -1))) ) O&zb_{n  
(analysis:irradiance) ?Qx4Z3n  
求賜教，感激涕零！！！ P-<1vfThH  
d2TIG<6/  
(analysis:irradiance) xGFbh4H=8p  
(analysis:irradiance)