Dialog Qt::NonModal 0 0 390 331 Extract Nodes true Input line or polygon vector layer Qt::Horizontal Unique ID field Qt::Vertical 20 21 Save to new shapefile Output point shapefile true Browse Qt::Vertical 20 21 0 Qt::AlignCenter true Qt::Horizontal QDialogButtonBox::Close|QDialogButtonBox::Ok Tolerance Qt::Horizontal 40 20 150 0 4 100000.000000000000000 0.500000000000000 Calculate using Calculate extent for each feature separately Use only selected features buttonBox_2 accepted() Dialog accept() 133 512 215 290 buttonBox_2 rejected() Dialog close() 59 512 132 239