Hello every one,

First sorry for my bad english but i'll try to be explicit...

I developed an application that creates a graph composed of curves.
I have a series of points that I associate with curves and I read them through

Qt Code: 
  1. curve->setStyle(QwtPlotCurve::Lines);
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I'm using this code

Qt Code: 
  1. QwtPlotCurve *curve;
  2.         QwtSymbol sym;
  3.  
  4.         sym.setStyle(QwtSymbol::Cross);
  5.         sym.setPen(couleurCourbe(i));
  6.         sym.setSize(5);
  7.  
  8.  
  9.  
  10.         curve = new QwtPlotCurve();
  11.         curve->setTitle(liste.at(i));
  12.         curve->setSymbol(sym);
  13.         curve->setPen(couleurCourbe(i));
  14.         curve->setStyle(QwtPlotCurve::Lines);
  15.         curve->setRenderHint(QwtPlotItem::RenderAntialiased);
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All pooints are connecting and the last point is connect with the first too.... (as a polygon).

Someone has a trick to disconnect firts and last point ???

Thanks a lot.