protected void writeTypeCodeAndSrid( Geometry geometry, DimensionalFlag dimension, ByteBuffer output) { int typeCode = getGeometryType(geometry); boolean hasSrid = (geometry.getSRID() > 0); if (hasSrid && !hasWrittenSrid) typeCode |= PostgisWkbTypeMasks.SRID_FLAG; if (dimension.isMeasured()) typeCode |= PostgisWkbTypeMasks.M_FLAG; if (dimension.is3D()) typeCode |= PostgisWkbTypeMasks.Z_FLAG; output.putUInt(typeCode); if (hasSrid && !hasWrittenSrid) { output.putInt(geometry.getSRID()); hasWrittenSrid = true; } }