Exemplos de QgsPointSequence::clear em C++ (Cpp)

Exemplo n.º 1

void QgsCircularString::points( QgsPointSequence &pts ) const
{
  pts.clear();
  int nPts = numPoints();
  for ( int i = 0; i < nPts; ++i )
  {
    pts.push_back( pointN( i ) );
  }
}

Exemplo n.º 2

Arquivo: qgscompoundcurve.cpp Projeto: alexbruy/QGIS

void QgsCompoundCurve::points( QgsPointSequence &pts ) const
{
  pts.clear();
  if ( mCurves.empty() )
  {
    return;
  }

  mCurves[0]->points( pts );
  for ( int i = 1; i < mCurves.size(); ++i )
  {
    QgsPointSequence pList;
    mCurves[i]->points( pList );
    pList.removeFirst(); //first vertex already added in previous line
    pts.append( pList );
  }
}