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Why is it not displayed in graphicsview
2022-02-02 14:33:23 【CSDN Q & A】
, ui(new Ui::MainWindow)
myView = new Graphics_view_zoom(ui->graphicsView);
// Draw the edges of the network diagram
void MainWindow::drawEdges(myvector<edge>& edgesList)
for(int i=0; i<edgesList.getlength(); ++i)
myvector<int> linesList=busGraph->getCommonLines(s1, s2);
QString tip=" Via ： "+busGraph->getStationName(s1)+"--"+busGraph->getStationName(s2)+"\n line ：";
QGraphicsLineItem* edgeItem=new QGraphicsLineItem;
edgeItem->setLine(0, 0, s2Pos.x()-s1Pos.x(), s2Pos.y()-s1Pos.y());
// The site node that draws the network diagram
void MainWindow::drawStations (myvector<int>& stationsList)
for (int i=0; i<stationsList.getlength(); ++i)
QString tip=" Station name ： "+name+"\n"+
" longitude ： "+QString::number(longiLati.x(),'f',7)+"\n"+
" latitude ： "+QString::number(longiLati.y(),'f',7)+"\n"+
" line ："+getLinesName(linesList);
QGraphicsEllipseItem* stationItem=new QGraphicsEllipseItem;
stationItem->setRect(-NODE_HALF_WIDTH, -NODE_HALF_WIDTH, NODE_HALF_WIDTH<<1, NODE_HALF_WIDTH<<1);
QGraphicsTextItem* textItem=new QGraphicsTextItem;
// Action view all circuit diagram slot functions
author[CSDN Q & A],Please bring the original link to reprint, thank you.
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