tracepro光源可设定辐射的角度吗
一般光源为左下方的两个图，若要使光源放射的光线朝某方向辐射（如右下图），可以吗？谢谢。</P>
<p><img src="data/attachment/forum/dvbbs/2004-12/20041230202146374.gif" border="0" onload="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onmouseover="if(this.width>screen.width*0.7) {this.resized=true; this.width=screen.width*0.7; this.style.cursor=\'hand\'; this.alt=\'Click here to open new window\nCTRL+Mouse wheel to zoom in/out\';}" onclick="if(!this.resized) {return true;} else {window.open(\'data/attachment/forum/dvbbs/2004-12/20041230202146374.gif\');}" onmousewheel="return imgzoom(this);" alt="" />
偶也想知道，另外lighttools有类似的功能吗？？
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