| 42 | { |
| 43 | |
| 44 | void Srs::init(const VlrList& vlrs, std::vector<SrsType> srsOrder, bool useWkt, LogPtr log) |
| 45 | { |
| 46 | bool specifiedOrder = srsOrder.size(); |
| 47 | |
| 48 | m_srs = SpatialReference(); |
| 49 | m_geotiffString.clear(); |
| 50 | |
| 51 | if (srsOrder.empty()) |
| 52 | { |
| 53 | if (useWkt) |
| 54 | srsOrder = { SrsType::Wkt2, SrsType::Proj, SrsType::Wkt1 }; |
| 55 | else |
| 56 | srsOrder = { SrsType::Wkt2, SrsType::Proj, SrsType::Geotiff }; |
| 57 | } |
| 58 | |
| 59 | const Vlr *wkt2 = findVlr(TransformUserId, LASFWkt2recordId, vlrs); |
| 60 | const Vlr *proj = findVlr(PdalUserId, PdalProjJsonRecordId, vlrs); |
| 61 | const Vlr *gtiff = findVlr(TransformUserId, GeotiffDirectoryRecordId, vlrs); |
| 62 | const Vlr *wkt1 = findVlr(TransformUserId, WktRecordId, vlrs); |
| 63 | if (!wkt1) |
| 64 | wkt1 = findVlr(LiblasUserId, WktRecordId, vlrs); |
| 65 | |
| 66 | if (wkt1 && gtiff && log) |
| 67 | log->get(LogLevel::Debug) << "File contains both " |
| 68 | "WKT and GeoTiff VLRs which is disallowed." << std::endl; |
| 69 | |
| 70 | try |
| 71 | { |
| 72 | for (const SrsType& type : srsOrder) |
| 73 | { |
| 74 | if (type == SrsType::Wkt2 && wkt2) |
| 75 | { |
| 76 | extractWkt(wkt2); |
| 77 | break; |
| 78 | } |
| 79 | else if (type == SrsType::Proj && proj) |
| 80 | { |
| 81 | extractWkt(proj); |
| 82 | break; |
| 83 | } |
| 84 | else if (type == SrsType::Wkt1 && wkt1) |
| 85 | { |
| 86 | extractWkt(wkt1); |
| 87 | break; |
| 88 | } |
| 89 | else if (type == SrsType::Geotiff && gtiff) |
| 90 | { |
| 91 | extractGeotiff(gtiff, vlrs, log); |
| 92 | break; |
| 93 | } |
| 94 | } |
| 95 | } |
| 96 | catch (...) |
| 97 | { |
| 98 | if (log) |
| 99 | log->get(LogLevel::Error) << "Could not create an SRS.\n"; |
| 100 | } |
| 101 | if (specifiedOrder && m_srs.empty() && log) |
no test coverage detected