Examples with ByteReader mil.nga.sf.util.ByteReader used on opensource projects

Example 1 with ByteReader

use of mil.nga.sf.util.ByteReader in project hale by halestudio.

the class GeopackageInstanceWriter method convertGeometry.

private GeoPackageGeometryData convertGeometry(Object someGeom, GeometryColumns geomColumns, SimpleLog log) {
    Geometry geom = null;
    CRSDefinition sourceCrs = null;
    if (someGeom instanceof GeometryProperty<?>) {
        GeometryProperty<?> prop = (GeometryProperty<?>) someGeom;
        geom = prop.getGeometry();
        sourceCrs = prop.getCRSDefinition();
    } else if (someGeom instanceof Geometry) {
        geom = (Geometry) someGeom;
    }
    GeoPackageGeometryData geometryData = new GeoPackageGeometryData(geomColumns.getSrsId());
    if (geom != null) {
        SpatialReferenceSystem targetSrs = geomColumns.getSrs();
        CRSDefinition targetCrs = toCRSDefinition(targetSrs);
        // do conversion to target CRS (if possible)
        Geometry targetGeometry = geom;
        try {
            if (sourceCrs != null && targetCrs != null) {
                MathTransform transform = CRS.findMathTransform(sourceCrs.getCRS(), targetCrs.getCRS());
                targetGeometry = JTS.transform(geom, transform);
            }
        } catch (Exception e) {
            log.error("Failed to convert geometry to target SRS " + targetSrs.getSrsName());
        }
        // XXX also an option to only use a SrsId or use a SrsId that
        // differs from the column SrsId?
        byte[] wkb = new WKBWriter().write(targetGeometry);
        mil.nga.sf.Geometry geometry = GeometryReader.readGeometry(new ByteReader(wkb));
        geometryData.setGeometry(geometry);
    }
    return geometryData;
}