Add Hex() output encoding

geos/geom.go

@@ -82,6 +82,12 @@ func (g *Geometry) WKB() ([]byte, error) {
  return encoder.encode(g)
 }
 
+// Hex returns the geometry as a Well-Known Binary (WKB) hex-encoded byte slice.
+func (g *Geometry) Hex() ([]byte, error) {
+ encoder := newWkbEncoder()
+ return encoder.encodeHex(g)
+}
+
 // Linearref functions
 
 // Return distance of point 'p' projected on this geometry from origin.

geos/geom_test.go

@@ -985,3 +985,16 @@ func TestWKB(t *testing.T) {
  }
  }
 }
+
+func TestHex(t *testing.T) {
+ for i, test := range wkbEncoderHexTests {
+ g := Must(FromWKT(test.wkt))
+ hex, err := g.Hex()
+ if err != nil {
+ t.Fatalf("#%d %v", i, err)
+ }
+ if !bytes.Equal(hex, test.wkb) {
+ t.Errorf("#%d want %v got %v", string(test.wkb), string(hex))
+ }
+ }
+}