缠中说禅趋势主图指标 (源码)

RISK:IF(NMA RMA,NMA,DRAWNULL),COLORGREEN;
UP:DRAWLINE(L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1) AND L=LLV(L,D) AND RMA =NMA,L,H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1) AND H=HHV(H,D) AND RMA =NMA,H,0),COLOR0000FF,LINETHICK2;
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DOWN:DRAWLINE(H=HHV(H,BARSLAST(CROSS(RMA,NMA))+1) AND H=HHV(H,D) AND RMA =NMA,H,L=LLV(L,BARSLAST(CROSS(NMA,RMA))+1) AND L=LLV(L,D) AND RMA =NMA,L,0),COLOR00FF00,LINETHICK2;
UH:HHV(H,55),COLORBROWN;
MID:(HHV(H,55)+LLV(L,55))/2,COLORBROWN;
DL:LLV(L,55),COLORBROWN;