Creating and editing geometry items using Well Known Text
Well Known Text (WKT) is an OGC regulated format for expressing a geometry. It is a quick and easy way to create and manipulate features using text strings.
The following are examples of Well Known Text strings for other graphical items:
POINT (558814.066879314 310045.000596585)
LINESTRING (396117.787756757 283925.481897993,490525.686667332 234203.988471757,498078.318580178 192664.512951104)
MULTIPOLYGON (((486431.771419118 206443.252704628,493552.461419118 238486.356704628,453498.582419118 246497.131704628,486431.771419118 206443.252704628)),((493552.461419118 238486.356704628,486431.771419118 206443.252704628,533606.340419118 226915.235704628,493552.461419118 238486.356704628)),((471300.306419118 292781.614704628,453498.582419118 246497.131704628,493552.461419118 238486.356704628,471300.306419118 292781.614704628)),((493552.461419118 238486.356704628,507519.108419118 268820.217704628,471300.306419118 292781.614704628,493552.461419118 238486.356704628)),((533606.340419118 226915.235704628,550517.978419118 257178.166704628,507519.108419118 268820.217704628,533606.340419118 226915.235704628)),((507519.108419118 268820.217704628,558814.066419118 310045.000704628,471300.306419118 292781.614704628,507519.108419118 268820.217704628)),((558814.066419118 310045.000704628,507519.108419118 268820.217704628,550517.978419118 257178.166704628,558814.066419118 310045.000704628)),((533606.340419118 226915.235704628,507519.108419118 268820.217704628,493552.461419118 238486.356704628,533606.340419118 226915.235704628)))