
cts:polygon-vertices( $polygon as cts:polygon ) as cts:point*
Returns a polygon's vertices. The first vertex and last vertex will always be the same.
| Parameters | |
|---|---|
| polygon | The polygon. | 
  let $node :=
    <polygon zip="94041">
       0.373899653086420E+02,       -0.122078578406509E+03
       0.373765400000000E+02,       -0.122063772000000E+03
       0.373781400000000E+02,       -0.122067972000000E+03
       0.373825650000000E+02,       -0.122068365000000E+03
       0.373797400000000E+02,       -0.122072172000000E+03
       0.373899400000000E+02,       -0.122092573000000E+03
       0.373941400000000E+02,       -0.122095573000000E+03
       0.373966400000000E+02,       -0.122094173000000E+03
       0.373958400000000E+02,       -0.122092373000000E+03
       0.374004400000000E+02,       -0.122091273000000E+03
       0.374004400000000E+02,       -0.122091273000000E+03
       0.373873400000000E+02,       -0.122057872000000E+03
       0.373873400000000E+02,       -0.122057872000000E+03
       0.373854400000000E+02,       -0.122052672000000E+03
       0.373833400000000E+02,       -0.122053372000000E+03
       0.373819400000000E+02,       -0.122057572000000E+03
       0.373775400000000E+02,       -0.122060872000000E+03
       0.373765400000000E+02,       -0.122063772000000E+03
    </polygon>
    return
    cts:polygon-vertices(cts:polygon(fn:data($node)))