gets the start coordinate of the segment concode_field_sep LineSegment ls concode_elem_sep Object data concode_field_sep LineSegment getLineSegment concode_elem_sep void setData concode_elem_sep boolean equalsTopo concode_elem_sep double getStartX concode_elem_sep double getStartY concode_elem_sep double getStartZ concode_elem_sep double getEndY concode_elem_sep double getEndZ concode_elem_sep Coordinate getEnd concode_elem_sep double getEndX concode_elem_sep Coordinate intersection concode_elem_sep String toString concode_elem_sep Object getData
Coordinate function ( ) { return ls . getCoordinate ( 0 ) ; }