#include "line.h" Line::Line(const QPair& fromTo, ACLineSegment* ac):Branch(fromTo.first,fromTo.second) { this->ratio=1; this->ac=ac; this->extract(); } void Line::extract() { ACLineSegment *ac=this->ac; double length=ac->getLength(); //单位阻抗 double r0=0.01; double x0=0.01; double g0=0; double b0=0; this->r=r0*length; this->x=x0*length; this->g1=g0*length; this->g2=g0*length; this->b1=b0*length; this->b2=b0*length; }