Dialog Qt::NonModal 0 0 390 420 Extract Nodes true Input line or polygon vector layer Tolerance Qt::Horizontal 40 20 150 0 4 100000.000000000000000 0.500000000000000 Qt::Horizontal Unique ID field Calculate using Use only selected features Calculate extent for each feature separately Qt::Vertical 20 21 Save to new shapefile Output point shapefile true Browse Qt::Vertical 20 21 Add result to canvas 0 Qt::AlignCenter true Qt::Horizontal QDialogButtonBox::Close|QDialogButtonBox::Ok buttonBox_2 accepted() Dialog accept() 133 512 215 290 buttonBox_2 rejected() Dialog close() 59 512 132 239