diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/iso19111/datum.cpp | 36 |
1 files changed, 31 insertions, 5 deletions
diff --git a/src/iso19111/datum.cpp b/src/iso19111/datum.cpp index 255f9822..d9d9c261 100644 --- a/src/iso19111/datum.cpp +++ b/src/iso19111/datum.cpp @@ -1201,7 +1201,8 @@ void GeodeticReferenceFrame::_exportToWKT( io::WKTFormatter *formatter) const // throw(FormattingException) { const bool isWKT2 = formatter->version() == io::WKTFormatter::Version::WKT2; - formatter->startNode(io::WKTConstants::DATUM, !identifiers().empty()); + const auto &ids = identifiers(); + formatter->startNode(io::WKTConstants::DATUM, !ids.empty()); auto l_name = nameStr(); if (l_name.empty()) { l_name = "unnamed"; @@ -1236,10 +1237,35 @@ void GeodeticReferenceFrame::_exportToWKT( } } } - // Replace spaces by underscore, except if it is a special MapInfo - // datum name - } else if (!starts_with(l_name, "MIF ")) { - l_name = io::WKTFormatter::morphNameToESRI(l_name); + } else { + // Replace spaces by underscore for datum names coming from EPSG + // so as to emulate GDAL < 3 importFromEPSG() + if (ids.size() == 1 && *(ids.front()->codeSpace()) == "EPSG") { + l_name = io::WKTFormatter::morphNameToESRI(l_name); + } else if (ids.empty()) { + const auto &dbContext = formatter->databaseContext(); + if (dbContext) { + auto factory = io::AuthorityFactory::create( + NN_NO_CHECK(dbContext), std::string()); + // We use anonymous autority and approximate matching, so + // as to trigger the caching done in createObjectsFromName() + // in that case. + auto matches = factory->createObjectsFromName( + l_name, {io::AuthorityFactory::ObjectType:: + GEODETIC_REFERENCE_FRAME}, + true, 2); + if (matches.size() == 1) { + const auto &match = matches.front(); + const auto &matchId = match->identifiers(); + if (matchId.size() == 1 && + *(matchId.front()->codeSpace()) == "EPSG" && + metadata::Identifier::isEquivalentName( + l_name.c_str(), match->nameStr().c_str())) { + l_name = io::WKTFormatter::morphNameToESRI(l_name); + } + } + } + } if (l_name == "World_Geodetic_System_1984") { l_name = "WGS_1984"; } |