Take a look at the PostGIS code for "attribute io"; it has an
implementation of how to encode here:
- PgWKBAttributeIO.read( ResultSet, int )
> if(useByteArray) {
> byte bytes[] = rs.getBytes(position);
> if (bytes == null) // ie. its a null column -> return
> a null geometry!
> return null;
> return WKB2Geometry(Base64.decode(bytes));
> } else {
> return WKB2Geometry(hexToBytes(rs.getString(position)));
> }
- PgWKBAttributeIO.write( ResultSet, int, Object )
> if(value == null) {
> rs.updateNull(position);
> } else {
> rs.updateString(position,
> WKBEncoder.encodeGeometryHex((Geometry) value));
> }
When you figure it out send an email to the list and we can make a page
for the user guide :-)
> Can someone provide me an example on how to convert a WKB to a string and
> convert back a string to a JTS geometry ? I'm not entirely sure on how to do
> this using wkb4j. Any help would be appreciated.
>
> Enam
>
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