From d436d4fbbfa030b12d6d051a809a6be6c220d747 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 3 Apr 2021 15:34:46 +0200
Subject: cass: rewrite ellipsoidal formulas in a clearer way using EPSG
 guidance note names

---
 test/gie/builtins.gie | 1 +
 1 file changed, 1 insertion(+)

(limited to 'test')

diff --git a/test/gie/builtins.gie b/test/gie/builtins.gie
index b3c84f74..3b4b098b 100644
--- a/test/gie/builtins.gie
+++ b/test/gie/builtins.gie
@@ -809,6 +809,7 @@ operation +proj=cass   +ellps=GRS80
 tolerance 0.1 mm
 accept  2 1
 expect  222605.285776991 110642.229253999
+roundtrip 1
 accept  2 -1
 expect  222605.285776991 -110642.229253999
 accept  -2 1
-- 
cgit v1.2.3


From 970c849cc70ccb8a016c9834daef70d28e224ae9 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 3 Apr 2021 20:18:08 +0200
Subject: cass: add +hyperbolic switch for variant used by EPSG:3139 'Vanua
 Levu 1915 / Vanua Levu Grid'

---
 test/gie/builtins.gie | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test')

diff --git a/test/gie/builtins.gie b/test/gie/builtins.gie
index 3b4b098b..8c0cf6d2 100644
--- a/test/gie/builtins.gie
+++ b/test/gie/builtins.gie
@@ -850,6 +850,18 @@ expect  -0.001790493 0.000895247
 accept  -200 -100
 expect  -0.001790493 -0.000895247
 
+-------------------------------------------------------------------------------
+# Hyperbolic variant: test point from EPSG Guidance Note 7.2
+operation +proj=cass +hyperbolic +a=6378306.376305601 +rf=293.466307 \
+          +lat_0=-16.25 +lon_0=179.33333333333333 +to_meter=20.1168 \
+          +x_0=251727.9155424 +y_0=334519.953768
+-------------------------------------------------------------------------------
+
+tolerance 0.1 mm
+accept  179.99433652777776 -16.841456527777776
+expect  16015.289017555102 13369.660053668682
+roundtrip 1
+
 ===============================================================================
 # Central Conic
 # 	Sph
-- 
cgit v1.2.3


From 2594b3a2240db7d7007e1c98f08762613b7f7e73 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Sat, 3 Apr 2021 16:16:22 +0200
Subject: Add mapping between EPSG method 'Hyperbolic Cassini-Soldner' and
 +proj=cass +hyperbolic

---
 test/unit/test_operation.cpp | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'test')

diff --git a/test/unit/test_operation.cpp b/test/unit/test_operation.cpp
index 6ddbd9f4..2830ea94 100644
--- a/test/unit/test_operation.cpp
+++ b/test/unit/test_operation.cpp
@@ -4223,6 +4223,18 @@ TEST(operation, adams_ws2_export_failure) {
 
 // ---------------------------------------------------------------------------
 
+TEST(operation, hyperbolic_cassini_soldner) {
+    auto dbContext = DatabaseContext::create();
+    auto crs =
+        AuthorityFactory::create(dbContext, "EPSG")->createProjectedCRS("3139");
+    EXPECT_EQ(crs->exportToPROJString(PROJStringFormatter::create().get()),
+              "+proj=cass +hyperbolic +lat_0=-16.25 +lon_0=179.333333333333 "
+              "+x_0=251727.9155424 +y_0=334519.953768 "
+              "+a=6378306.3696 +b=6356571.996 +units=link +no_defs +type=crs");
+}
+
+// ---------------------------------------------------------------------------
+
 TEST(operation, PROJ_based) {
     auto conv = SingleOperation::createPROJBased(PropertyMap(), "+proj=merc",
                                                  nullptr, nullptr);
-- 
cgit v1.2.3