cts:polygon( $vertices as cts:point* ) as cts:polygon
Returns a geospatial polygon value.
(: this polygon approximates the 94041 zip code :) let $points := (cts:point(0.373899653086420E+02, -0.122078578406509E+03), cts:point(0.373765400000000E+02, -0.122063772000000E+03), cts:point(0.373781400000000E+02, -0.122067972000000E+03), cts:point(0.373825650000000E+02, -0.122068365000000E+03), cts:point(0.373797400000000E+02, -0.122072172000000E+03), cts:point(0.373899400000000E+02, -0.122092573000000E+03), cts:point(0.373941400000000E+02, -0.122095573000000E+03), cts:point(0.373966400000000E+02, -0.122094173000000E+03), cts:point(0.373958400000000E+02, -0.122092373000000E+03), cts:point(0.374004400000000E+02, -0.122091273000000E+03), cts:point(0.374004400000000E+02, -0.122091273000000E+03), cts:point(0.373873400000000E+02, -0.122057872000000E+03), cts:point(0.373873400000000E+02, -0.122057872000000E+03), cts:point(0.373854400000000E+02, -0.122052672000000E+03), cts:point(0.373833400000000E+02, -0.122053372000000E+03), cts:point(0.373819400000000E+02, -0.122057572000000E+03), cts:point(0.373775400000000E+02, -0.122060872000000E+03), cts:point(0.373765400000000E+02, -0.122063772000000E+03) ) return cts:polygon($points)