将图中出现动底背的点选出来
 源码
AL:=(C+L+H)/3;   
AO:=SMA(AL,5,1)-SMA(AL,13,1);   
BBD:(AO-SMA(AO, 3,1))*100,COLORFFCCFF,NODRAW;  
 {动能线定义}   
动能线:AO*10,COLORRED;   
动能辅线:EMA(AO,5)*10,COLOR00FF00;   
{动能线强弱分界带}    {GUPIAOFF.COM}
 DRAWBAND(动能辅线,RGB(115,95,95),0,RGB(95,95,115));   
{动能彩带}   
DRAWBAND(动能线,RGB(175,0,55),动能辅线,RGB(55,175,0));  
 
  
 {动能线金叉死叉顶底背离}   

动能金叉:IF(CROSS(RSV3,RSV4),RSV3,DRAWNULL),CIRCLEDOT,COLOR0000FF;   
动能死叉:IF(CROSS(RSV4,RSV3),RSV3,DRAWNULL),CIRCLEDOT,COLOR00FF00;   
SV3:=BARSLAST(REF(CROSS(RSV3,RSV4),1));   
SV3A:=REF(CLOSE,SV3+1)>CLOSE AND RSV3>REF(RSV3,SV3+1) AND    
 CROSS(RSV3,RSV4);   
动底背:IF(SV3A,RSV3,DRAWNULL),COLOR0000FF;

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选股公式:

AL:=(C+L+H)/3;  
AO:=SMA(AL,5,1)-SMA(AL,13,1);  
BBD:=(AO-SMA(AO, 3,1))*100;  
动能线:=AO*10;  
动能辅线:=EMA(AO,5)*10;     
RSV3:=动能线;  
RSV4:=动能辅线;     
SV3:=BARSLAST(REF(CROSS(RSV3,RSV4),1));  
SV3A:=REF(CLOSE,SV3+1)>CLOSE AND RSV3>REF(RSV3,SV3+1) AND    
CROSS(RSV3,RSV4);  
动底背:SV3A;