ESRI WKT: map Mercator_Variant_A, Mercator_Variant_C and Transverse_Cylindrical_Equal_Area projections (#2020)

* Add mapping of ESRI projection methods Mercator_Variant_A, Mercator_Variant_C
and Transverse_Cylindrical_Equal_Area
* Add a few notes about missing mappings

1 files changed, 41 insertions, 0 deletions

diff --git a/test/unit/test_io.cpp b/test/unit/test_io.cpp
index 884b52f2..581083b3 100644
--- a/test/unit/test_io.cpp
+++ b/test/unit/test_io.cpp
@@ -5002,6 +5002,47 @@ static const struct {
          {"False northing", 2},
      }},
 
+    {"Mercator_Variant_A",
+     {{"False_Easting", 1},
+      {"False_Northing", 2},
+      {"Scale_Factor", 3},
+      {"Central_Meridian", 4}},
+     "Mercator (variant A)",
+     {
+         {"Longitude of natural origin", 4},
+         {"Scale factor at natural origin", 3},
+         {"False easting", 1},
+         {"False northing", 2},
+     }},
+
+    {"Mercator_Variant_C",
+     {{"False_Easting", 1},
+      {"False_Northing", 2},
+      {"Standard_Parallel_1", 3},
+      {"Central_Meridian", 4}},
+     "Mercator (variant B)",
+     {
+         {"Latitude of 1st standard parallel", 3},
+         {"Longitude of natural origin", 4},
+         {"False easting", 1},
+         {"False northing", 2},
+     }},
+
+    {"Transverse_Cylindrical_Equal_Area",
+     {{"False_Easting", 1},
+      {"False_Northing", 2},
+      {"Central_Meridian", 3},
+      {"Scale_Factor", 4},
+      {"Latitude_Of_Origin", 5}},
+     "Transverse Cylindrical Equal Area",
+     {
+         {"Latitude of natural origin", 5},
+         {"Longitude of natural origin", 3},
+         {"Scale factor at natural origin", 4},
+         {"False easting", 1},
+         {"False northing", 2},
+     }},
+
     {"Gnomonic_Ellipsoidal",
      {{"False_Easting", 1},
       {"False_Northing", 2},