void function ( ) { rot = null ; }
marks this quadedge as being deleted . this does not free the memory used by this quadedge quartet , but indicates that this edge no longer participates in a subdivision . concode_field_sep QuadEdge next concode_elem_sep Vertex vertex concode_elem_sep QuadEdge rot concode_elem_sep Object data concode_field_sep QuadEdge oPrev concode_elem_sep QuadEdge oNext concode_elem_sep QuadEdge getPrimary concode_elem_sep QuadEdge sym concode_elem_sep Vertex dest concode_elem_sep void setOrig concode_elem_sep QuadEdge dPrev concode_elem_sep QuadEdge dNext concode_elem_sep boolean isLive concode_elem_sep QuadEdge rot concode_elem_sep QuadEdge invRot concode_elem_sep boolean equalsOriented concode_elem_sep QuadEdge connect concode_elem_sep Object getData concode_elem_sep LineSegment toLineSegment concode_elem_sep void swap concode_elem_sep void setData concode_elem_sep void splice concode_elem_sep QuadEdge lPrev concode_elem_sep QuadEdge makeEdge concode_elem_sep QuadEdge lNext concode_elem_sep QuadEdge rPrev concode_elem_sep void setDest concode_elem_sep QuadEdge rNext concode_elem_sep Vertex orig concode_elem_sep void setNext concode_elem_sep double getLength concode_elem_sep String toString concode_elem_sep boolean equalsNonOriented