Dialog 0 0 512 288 Dialog Limits true First cross section true true Last cross section true true First guide line true true Last guide line true Options Section space step (m) 50.000000000000000 Qt::Horizontal 40 20 true Distance computation guild line true Qt::Horizontal 40 20 Type of interpolation: Spline true Linear Qt::Horizontal 40 20 Qt::Horizontal QDialogButtonBox::Cancel|QDialogButtonBox::Ok buttonBox accepted() Dialog accept() 248 254 157 274 buttonBox rejected() Dialog reject() 316 260 286 274