PROJSJON: add import/export of VerticalCRS, CompoundCRS, BoundCRS, Transformation and ConcatenatedOperation

1 files changed, 790 insertions, 0 deletions

diff --git a/test/unit/test_io.cpp b/test/unit/test_io.cpp
index c993c5e4..d3c4c8ec 100644
--- a/test/unit/test_io.cpp
+++ b/test/unit/test_io.cpp
@@ -9612,3 +9612,793 @@ TEST(wkt_export, json_import_projected_crs) {
     ASSERT_TRUE(pcrs != nullptr);
     EXPECT_EQ(pcrs->exportToJSON((JSONFormatter::create().get())), json);
 }
+
+// ---------------------------------------------------------------------------
+
+TEST(wkt_export, json_import_compound_crs) {
+    auto json = "{\n"
+                "  \"type\": \"CompoundCRS\",\n"
+                "  \"name\": \"WGS 84 + EGM2008 height\",\n"
+                "  \"components\": [\n"
+                "    {\n"
+                "      \"type\": \"GeographicCRS\",\n"
+                "      \"name\": \"WGS 84\",\n"
+                "      \"datum\": {\n"
+                "        \"type\": \"GeodeticReferenceFrame\",\n"
+                "        \"name\": \"World Geodetic System 1984\",\n"
+                "        \"ellipsoid\": {\n"
+                "          \"name\": \"WGS 84\",\n"
+                "          \"semi_major_axis\": 6378137,\n"
+                "          \"inverse_flattening\": 298.257223563\n"
+                "        }\n"
+                "      },\n"
+                "      \"coordinate_system\": {\n"
+                "        \"subtype\": \"ellipsoidal\",\n"
+                "        \"axis\": [\n"
+                "          {\n"
+                "            \"name\": \"Geodetic latitude\",\n"
+                "            \"abbreviation\": \"Lat\",\n"
+                "            \"direction\": \"north\",\n"
+                "            \"unit\": \"degree\"\n"
+                "          },\n"
+                "          {\n"
+                "            \"name\": \"Geodetic longitude\",\n"
+                "            \"abbreviation\": \"Lon\",\n"
+                "            \"direction\": \"east\",\n"
+                "            \"unit\": \"degree\"\n"
+                "          }\n"
+                "        ]\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 4326\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"type\": \"VerticalCRS\",\n"
+                "      \"name\": \"EGM2008 height\",\n"
+                "      \"datum\": {\n"
+                "        \"type\": \"VerticalReferenceFrame\",\n"
+                "        \"name\": \"EGM2008 geoid\"\n"
+                "      },\n"
+                "      \"coordinate_system\": {\n"
+                "        \"subtype\": \"vertical\",\n"
+                "        \"axis\": [\n"
+                "          {\n"
+                "            \"name\": \"Gravity-related height\",\n"
+                "            \"abbreviation\": \"H\",\n"
+                "            \"direction\": \"up\",\n"
+                "            \"unit\": \"metre\"\n"
+                "          }\n"
+                "        ]\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 3855\n"
+                "      }\n"
+                "    }\n"
+                "  ]\n"
+                "}";
+    auto obj = createFromUserInput(json, nullptr);
+    auto compoundCRS = nn_dynamic_pointer_cast<CompoundCRS>(obj);
+    ASSERT_TRUE(compoundCRS != nullptr);
+    EXPECT_EQ(compoundCRS->exportToJSON((JSONFormatter::create().get())), json);
+}
+
+// ---------------------------------------------------------------------------
+
+TEST(wkt_export, json_import_bound_crs) {
+    auto json =
+        "{\n"
+        "  \"type\": \"BoundCRS\",\n"
+        "  \"source_crs\": {\n"
+        "    \"type\": \"GeographicCRS\",\n"
+        "    \"name\": \"unknown\",\n"
+        "    \"datum\": {\n"
+        "      \"type\": \"GeodeticReferenceFrame\",\n"
+        "      \"name\": \"Unknown based on GRS80 ellipsoid\",\n"
+        "      \"ellipsoid\": {\n"
+        "        \"name\": \"GRS 1980\",\n"
+        "        \"semi_major_axis\": 6378137,\n"
+        "        \"inverse_flattening\": 298.257222101,\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 7019\n"
+        "        }\n"
+        "      }\n"
+        "    },\n"
+        "    \"coordinate_system\": {\n"
+        "      \"subtype\": \"ellipsoidal\",\n"
+        "      \"axis\": [\n"
+        "        {\n"
+        "          \"name\": \"Longitude\",\n"
+        "          \"abbreviation\": \"lon\",\n"
+        "          \"direction\": \"east\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Latitude\",\n"
+        "          \"abbreviation\": \"lat\",\n"
+        "          \"direction\": \"north\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        }\n"
+        "      ]\n"
+        "    }\n"
+        "  },\n"
+        "  \"target_crs\": {\n"
+        "    \"type\": \"GeographicCRS\",\n"
+        "    \"name\": \"WGS 84\",\n"
+        "    \"datum\": {\n"
+        "      \"type\": \"GeodeticReferenceFrame\",\n"
+        "      \"name\": \"World Geodetic System 1984\",\n"
+        "      \"ellipsoid\": {\n"
+        "        \"name\": \"WGS 84\",\n"
+        "        \"semi_major_axis\": 6378137,\n"
+        "        \"inverse_flattening\": 298.257223563\n"
+        "      }\n"
+        "    },\n"
+        "    \"coordinate_system\": {\n"
+        "      \"subtype\": \"ellipsoidal\",\n"
+        "      \"axis\": [\n"
+        "        {\n"
+        "          \"name\": \"Latitude\",\n"
+        "          \"abbreviation\": \"lat\",\n"
+        "          \"direction\": \"north\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Longitude\",\n"
+        "          \"abbreviation\": \"lon\",\n"
+        "          \"direction\": \"east\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        }\n"
+        "      ]\n"
+        "    },\n"
+        "    \"id\": {\n"
+        "      \"authority\": \"EPSG\",\n"
+        "      \"code\": 4326\n"
+        "    }\n"
+        "  },\n"
+        "  \"transformation\": {\n"
+        "    \"name\": \"unknown to WGS84\",\n"
+        "    \"method\": {\n"
+        "      \"name\": \"NTv2\",\n"
+        "      \"id\": {\n"
+        "        \"authority\": \"EPSG\",\n"
+        "        \"code\": 9615\n"
+        "      }\n"
+        "    },\n"
+        "    \"parameters\": [\n"
+        "      {\n"
+        "        \"name\": \"Latitude and longitude difference file\",\n"
+        "        \"value\": \"@foo\",\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 8656\n"
+        "        }\n"
+        "      }\n"
+        "    ]\n"
+        "  }\n"
+        "}";
+    auto obj = createFromUserInput(json, nullptr);
+    auto boundCRS = nn_dynamic_pointer_cast<BoundCRS>(obj);
+    ASSERT_TRUE(boundCRS != nullptr);
+    EXPECT_EQ(boundCRS->exportToJSON((JSONFormatter::create().get())), json);
+}
+
+// ---------------------------------------------------------------------------
+
+TEST(wkt_export, json_import_transformation) {
+    auto json = "{\n"
+                "  \"type\": \"Transformation\",\n"
+                "  \"name\": \"GDA94 to GDA2020 (1)\",\n"
+                "  \"source_crs\": {\n"
+                "    \"type\": \"GeographicCRS\",\n"
+                "    \"name\": \"GDA94\",\n"
+                "    \"datum\": {\n"
+                "      \"type\": \"GeodeticReferenceFrame\",\n"
+                "      \"name\": \"Geocentric Datum of Australia 1994\",\n"
+                "      \"ellipsoid\": {\n"
+                "        \"name\": \"GRS 1980\",\n"
+                "        \"semi_major_axis\": 6378137,\n"
+                "        \"inverse_flattening\": 298.257222101\n"
+                "      }\n"
+                "    },\n"
+                "    \"coordinate_system\": {\n"
+                "      \"subtype\": \"ellipsoidal\",\n"
+                "      \"axis\": [\n"
+                "        {\n"
+                "          \"name\": \"Geodetic latitude\",\n"
+                "          \"abbreviation\": \"Lat\",\n"
+                "          \"direction\": \"north\",\n"
+                "          \"unit\": \"degree\"\n"
+                "        },\n"
+                "        {\n"
+                "          \"name\": \"Geodetic longitude\",\n"
+                "          \"abbreviation\": \"Lon\",\n"
+                "          \"direction\": \"east\",\n"
+                "          \"unit\": \"degree\"\n"
+                "        }\n"
+                "      ]\n"
+                "    }\n"
+                "  },\n"
+                "  \"target_crs\": {\n"
+                "    \"type\": \"GeographicCRS\",\n"
+                "    \"name\": \"GDA2020\",\n"
+                "    \"datum\": {\n"
+                "      \"type\": \"GeodeticReferenceFrame\",\n"
+                "      \"name\": \"Geocentric Datum of Australia 2020\",\n"
+                "      \"ellipsoid\": {\n"
+                "        \"name\": \"GRS 1980\",\n"
+                "        \"semi_major_axis\": 6378137,\n"
+                "        \"inverse_flattening\": 298.257222101\n"
+                "      }\n"
+                "    },\n"
+                "    \"coordinate_system\": {\n"
+                "      \"subtype\": \"ellipsoidal\",\n"
+                "      \"axis\": [\n"
+                "        {\n"
+                "          \"name\": \"Geodetic latitude\",\n"
+                "          \"abbreviation\": \"Lat\",\n"
+                "          \"direction\": \"north\",\n"
+                "          \"unit\": \"degree\"\n"
+                "        },\n"
+                "        {\n"
+                "          \"name\": \"Geodetic longitude\",\n"
+                "          \"abbreviation\": \"Lon\",\n"
+                "          \"direction\": \"east\",\n"
+                "          \"unit\": \"degree\"\n"
+                "        }\n"
+                "      ]\n"
+                "    }\n"
+                "  },\n"
+                "  \"method\": {\n"
+                "    \"name\": \"Coordinate Frame rotation (geog2D domain)\",\n"
+                "    \"id\": {\n"
+                "      \"authority\": \"EPSG\",\n"
+                "      \"code\": 9607\n"
+                "    }\n"
+                "  },\n"
+                "  \"parameters\": [\n"
+                "    {\n"
+                "      \"name\": \"X-axis translation\",\n"
+                "      \"value\": 61.55,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"LinearUnit\",\n"
+                "        \"name\": \"millimetre\",\n"
+                "        \"conversion_factor\": 0.001\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8605\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"Y-axis translation\",\n"
+                "      \"value\": -10.87,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"LinearUnit\",\n"
+                "        \"name\": \"millimetre\",\n"
+                "        \"conversion_factor\": 0.001\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8606\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"Z-axis translation\",\n"
+                "      \"value\": -40.19,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"LinearUnit\",\n"
+                "        \"name\": \"millimetre\",\n"
+                "        \"conversion_factor\": 0.001\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8607\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"X-axis rotation\",\n"
+                "      \"value\": -39.4924,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"AngularUnit\",\n"
+                "        \"name\": \"milliarc-second\",\n"
+                "        \"conversion_factor\": 4.84813681109536e-09\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8608\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"Y-axis rotation\",\n"
+                "      \"value\": -32.7221,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"AngularUnit\",\n"
+                "        \"name\": \"milliarc-second\",\n"
+                "        \"conversion_factor\": 4.84813681109536e-09\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8609\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"Z-axis rotation\",\n"
+                "      \"value\": -32.8979,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"AngularUnit\",\n"
+                "        \"name\": \"milliarc-second\",\n"
+                "        \"conversion_factor\": 4.84813681109536e-09\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8610\n"
+                "      }\n"
+                "    },\n"
+                "    {\n"
+                "      \"name\": \"Scale difference\",\n"
+                "      \"value\": -9.994,\n"
+                "      \"unit\": {\n"
+                "        \"type\": \"ScaleUnit\",\n"
+                "        \"name\": \"parts per billion\",\n"
+                "        \"conversion_factor\": 1e-09\n"
+                "      },\n"
+                "      \"id\": {\n"
+                "        \"authority\": \"EPSG\",\n"
+                "        \"code\": 8611\n"
+                "      }\n"
+                "    }\n"
+                "  ],\n"
+                "  \"accuracy\": \"0.01\",\n"
+                "  \"scope\": \"scope\",\n"
+                "  \"area\": \"Australia - GDA\",\n"
+                "  \"bbox\": {\n"
+                "    \"south_latitude\": -60.56,\n"
+                "    \"west_longitude\": 93.41,\n"
+                "    \"north_latitude\": -8.47,\n"
+                "    \"east_longitude\": 173.35\n"
+                "  },\n"
+                "  \"id\": {\n"
+                "    \"authority\": \"EPSG\",\n"
+                "    \"code\": 8048\n"
+                "  },\n"
+                "  \"remarks\": \"foo\"\n"
+                "}";
+    auto obj = createFromUserInput(json, nullptr);
+    auto transf = nn_dynamic_pointer_cast<Transformation>(obj);
+    ASSERT_TRUE(transf != nullptr);
+    EXPECT_EQ(transf->exportToJSON((JSONFormatter::create().get())), json);
+}
+
+// ---------------------------------------------------------------------------
+
+TEST(wkt_export, json_import_concatenated_operation) {
+    auto json =
+        "{\n"
+        "  \"type\": \"ConcatenatedOperation\",\n"
+        "  \"name\": \"Inverse of Vicgrid + GDA94 to GDA2020 (1)\",\n"
+        "  \"source_crs\": {\n"
+        "    \"type\": \"ProjectedCRS\",\n"
+        "    \"name\": \"GDA94 / Vicgrid\",\n"
+        "    \"base_crs\": {\n"
+        "      \"name\": \"GDA94\",\n"
+        "      \"datum\": {\n"
+        "        \"type\": \"GeodeticReferenceFrame\",\n"
+        "        \"name\": \"Geocentric Datum of Australia 1994\",\n"
+        "        \"ellipsoid\": {\n"
+        "          \"name\": \"GRS 1980\",\n"
+        "          \"semi_major_axis\": 6378137,\n"
+        "          \"inverse_flattening\": 298.257222101\n"
+        "        }\n"
+        "      },\n"
+        "      \"coordinate_system\": {\n"
+        "        \"subtype\": \"ellipsoidal\",\n"
+        "        \"axis\": [\n"
+        "          {\n"
+        "            \"name\": \"Geodetic latitude\",\n"
+        "            \"abbreviation\": \"Lat\",\n"
+        "            \"direction\": \"north\",\n"
+        "            \"unit\": \"degree\"\n"
+        "          },\n"
+        "          {\n"
+        "            \"name\": \"Geodetic longitude\",\n"
+        "            \"abbreviation\": \"Lon\",\n"
+        "            \"direction\": \"east\",\n"
+        "            \"unit\": \"degree\"\n"
+        "          }\n"
+        "        ]\n"
+        "      },\n"
+        "      \"id\": {\n"
+        "        \"authority\": \"EPSG\",\n"
+        "        \"code\": 4283\n"
+        "      }\n"
+        "    },\n"
+        "    \"conversion\": {\n"
+        "      \"name\": \"Vicgrid\",\n"
+        "      \"method\": {\n"
+        "        \"name\": \"Lambert Conic Conformal (2SP)\",\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 9802\n"
+        "        }\n"
+        "      },\n"
+        "      \"parameters\": [\n"
+        "        {\n"
+        "          \"name\": \"Latitude of false origin\",\n"
+        "          \"value\": -37,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8821\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Longitude of false origin\",\n"
+        "          \"value\": 145,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8822\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Latitude of 1st standard parallel\",\n"
+        "          \"value\": -36,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8823\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Latitude of 2nd standard parallel\",\n"
+        "          \"value\": -38,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8824\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Easting at false origin\",\n"
+        "          \"value\": 2500000,\n"
+        "          \"unit\": \"metre\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8826\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Northing at false origin\",\n"
+        "          \"value\": 2500000,\n"
+        "          \"unit\": \"metre\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8827\n"
+        "          }\n"
+        "        }\n"
+        "      ]\n"
+        "    },\n"
+        "    \"coordinate_system\": {\n"
+        "      \"subtype\": \"Cartesian\",\n"
+        "      \"axis\": [\n"
+        "        {\n"
+        "          \"name\": \"Easting\",\n"
+        "          \"abbreviation\": \"E\",\n"
+        "          \"direction\": \"east\",\n"
+        "          \"unit\": \"metre\"\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Northing\",\n"
+        "          \"abbreviation\": \"N\",\n"
+        "          \"direction\": \"north\",\n"
+        "          \"unit\": \"metre\"\n"
+        "        }\n"
+        "      ]\n"
+        "    },\n"
+        "    \"id\": {\n"
+        "      \"authority\": \"EPSG\",\n"
+        "      \"code\": 3111\n"
+        "    }\n"
+        "  },\n"
+        "  \"target_crs\": {\n"
+        "    \"type\": \"GeographicCRS\",\n"
+        "    \"name\": \"GDA2020\",\n"
+        "    \"datum\": {\n"
+        "      \"type\": \"GeodeticReferenceFrame\",\n"
+        "      \"name\": \"Geocentric Datum of Australia 2020\",\n"
+        "      \"ellipsoid\": {\n"
+        "        \"name\": \"GRS 1980\",\n"
+        "        \"semi_major_axis\": 6378137,\n"
+        "        \"inverse_flattening\": 298.257222101\n"
+        "      }\n"
+        "    },\n"
+        "    \"coordinate_system\": {\n"
+        "      \"subtype\": \"ellipsoidal\",\n"
+        "      \"axis\": [\n"
+        "        {\n"
+        "          \"name\": \"Geodetic latitude\",\n"
+        "          \"abbreviation\": \"Lat\",\n"
+        "          \"direction\": \"north\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Geodetic longitude\",\n"
+        "          \"abbreviation\": \"Lon\",\n"
+        "          \"direction\": \"east\",\n"
+        "          \"unit\": \"degree\"\n"
+        "        }\n"
+        "      ]\n"
+        "    },\n"
+        "    \"id\": {\n"
+        "      \"authority\": \"EPSG\",\n"
+        "      \"code\": 7844\n"
+        "    }\n"
+        "  },\n"
+        "  \"steps\": [\n"
+        "    {\n"
+        "      \"type\": \"Conversion\",\n"
+        "      \"name\": \"Inverse of Vicgrid\",\n"
+        "      \"method\": {\n"
+        "        \"name\": \"Inverse of Lambert Conic Conformal (2SP)\",\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"INVERSE(EPSG)\",\n"
+        "          \"code\": 9802\n"
+        "        }\n"
+        "      },\n"
+        "      \"parameters\": [\n"
+        "        {\n"
+        "          \"name\": \"Latitude of false origin\",\n"
+        "          \"value\": -37,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8821\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Longitude of false origin\",\n"
+        "          \"value\": 145,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8822\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Latitude of 1st standard parallel\",\n"
+        "          \"value\": -36,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8823\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Latitude of 2nd standard parallel\",\n"
+        "          \"value\": -38,\n"
+        "          \"unit\": \"degree\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8824\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Easting at false origin\",\n"
+        "          \"value\": 2500000,\n"
+        "          \"unit\": \"metre\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8826\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Northing at false origin\",\n"
+        "          \"value\": 2500000,\n"
+        "          \"unit\": \"metre\",\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8827\n"
+        "          }\n"
+        "        }\n"
+        "      ],\n"
+        "      \"id\": {\n"
+        "        \"authority\": \"INVERSE(EPSG)\",\n"
+        "        \"code\": 17361\n"
+        "      }\n"
+        "    },\n"
+        "    {\n"
+        "      \"type\": \"Transformation\",\n"
+        "      \"name\": \"GDA94 to GDA2020 (1)\",\n"
+        "      \"source_crs\": {\n"
+        "        \"type\": \"GeographicCRS\",\n"
+        "        \"name\": \"GDA94\",\n"
+        "        \"datum\": {\n"
+        "          \"type\": \"GeodeticReferenceFrame\",\n"
+        "          \"name\": \"Geocentric Datum of Australia 1994\",\n"
+        "          \"ellipsoid\": {\n"
+        "            \"name\": \"GRS 1980\",\n"
+        "            \"semi_major_axis\": 6378137,\n"
+        "            \"inverse_flattening\": 298.257222101\n"
+        "          }\n"
+        "        },\n"
+        "        \"coordinate_system\": {\n"
+        "          \"subtype\": \"ellipsoidal\",\n"
+        "          \"axis\": [\n"
+        "            {\n"
+        "              \"name\": \"Geodetic latitude\",\n"
+        "              \"abbreviation\": \"Lat\",\n"
+        "              \"direction\": \"north\",\n"
+        "              \"unit\": \"degree\"\n"
+        "            },\n"
+        "            {\n"
+        "              \"name\": \"Geodetic longitude\",\n"
+        "              \"abbreviation\": \"Lon\",\n"
+        "              \"direction\": \"east\",\n"
+        "              \"unit\": \"degree\"\n"
+        "            }\n"
+        "          ]\n"
+        "        },\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 4283\n"
+        "        }\n"
+        "      },\n"
+        "      \"target_crs\": {\n"
+        "        \"type\": \"GeographicCRS\",\n"
+        "        \"name\": \"GDA2020\",\n"
+        "        \"datum\": {\n"
+        "          \"type\": \"GeodeticReferenceFrame\",\n"
+        "          \"name\": \"Geocentric Datum of Australia 2020\",\n"
+        "          \"ellipsoid\": {\n"
+        "            \"name\": \"GRS 1980\",\n"
+        "            \"semi_major_axis\": 6378137,\n"
+        "            \"inverse_flattening\": 298.257222101\n"
+        "          }\n"
+        "        },\n"
+        "        \"coordinate_system\": {\n"
+        "          \"subtype\": \"ellipsoidal\",\n"
+        "          \"axis\": [\n"
+        "            {\n"
+        "              \"name\": \"Geodetic latitude\",\n"
+        "              \"abbreviation\": \"Lat\",\n"
+        "              \"direction\": \"north\",\n"
+        "              \"unit\": \"degree\"\n"
+        "            },\n"
+        "            {\n"
+        "              \"name\": \"Geodetic longitude\",\n"
+        "              \"abbreviation\": \"Lon\",\n"
+        "              \"direction\": \"east\",\n"
+        "              \"unit\": \"degree\"\n"
+        "            }\n"
+        "          ]\n"
+        "        },\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 7844\n"
+        "        }\n"
+        "      },\n"
+        "      \"method\": {\n"
+        "        \"name\": \"Coordinate Frame rotation (geog2D domain)\",\n"
+        "        \"id\": {\n"
+        "          \"authority\": \"EPSG\",\n"
+        "          \"code\": 9607\n"
+        "        }\n"
+        "      },\n"
+        "      \"parameters\": [\n"
+        "        {\n"
+        "          \"name\": \"X-axis translation\",\n"
+        "          \"value\": 61.55,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"LinearUnit\",\n"
+        "            \"name\": \"millimetre\",\n"
+        "            \"conversion_factor\": 0.001\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8605\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Y-axis translation\",\n"
+        "          \"value\": -10.87,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"LinearUnit\",\n"
+        "            \"name\": \"millimetre\",\n"
+        "            \"conversion_factor\": 0.001\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8606\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Z-axis translation\",\n"
+        "          \"value\": -40.19,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"LinearUnit\",\n"
+        "            \"name\": \"millimetre\",\n"
+        "            \"conversion_factor\": 0.001\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8607\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"X-axis rotation\",\n"
+        "          \"value\": -39.4924,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"AngularUnit\",\n"
+        "            \"name\": \"milliarc-second\",\n"
+        "            \"conversion_factor\": 4.84813681109536e-09\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8608\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Y-axis rotation\",\n"
+        "          \"value\": -32.7221,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"AngularUnit\",\n"
+        "            \"name\": \"milliarc-second\",\n"
+        "            \"conversion_factor\": 4.84813681109536e-09\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8609\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Z-axis rotation\",\n"
+        "          \"value\": -32.8979,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"AngularUnit\",\n"
+        "            \"name\": \"milliarc-second\",\n"
+        "            \"conversion_factor\": 4.84813681109536e-09\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8610\n"
+        "          }\n"
+        "        },\n"
+        "        {\n"
+        "          \"name\": \"Scale difference\",\n"
+        "          \"value\": -9.994,\n"
+        "          \"unit\": {\n"
+        "            \"type\": \"ScaleUnit\",\n"
+        "            \"name\": \"parts per billion\",\n"
+        "            \"conversion_factor\": 1e-09\n"
+        "          },\n"
+        "          \"id\": {\n"
+        "            \"authority\": \"EPSG\",\n"
+        "            \"code\": 8611\n"
+        "          }\n"
+        "        }\n"
+        "      ],\n"
+        "      \"accuracy\": \"0.01\",\n"
+        "      \"id\": {\n"
+        "        \"authority\": \"EPSG\",\n"
+        "        \"code\": 8048\n"
+        "      },\n"
+        "      \"remarks\": \"remarks\"\n"
+        "    }\n"
+        "  ],\n"
+        "  \"area\": \"Australia - GDA\",\n"
+        "  \"bbox\": {\n"
+        "    \"south_latitude\": -60.56,\n"
+        "    \"west_longitude\": 93.41,\n"
+        "    \"north_latitude\": -8.47,\n"
+        "    \"east_longitude\": 173.35\n"
+        "  }\n"
+        "}";
+    auto obj = createFromUserInput(json, nullptr);
+    auto concat = nn_dynamic_pointer_cast<ConcatenatedOperation>(obj);
+    ASSERT_TRUE(concat != nullptr);
+    EXPECT_EQ(concat->exportToJSON((JSONFormatter::create().get())), json);
+}