From 2305dec4384365524cef76db4f84214746c4bd95 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 14 Nov 2019 14:26:31 +0100
Subject: import/export PROJJSON: support a interpolation_crs key to
 geoid_model for faithful serialization of the geoid_geog_crs parameter of
 proj_create_vertical_crs_ex()

---
 src/iso19111/c_api.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/iso19111/c_api.cpp')

diff --git a/src/iso19111/c_api.cpp b/src/iso19111/c_api.cpp
index fdfcdf7a..fd661cf8 100644
--- a/src/iso19111/c_api.cpp
+++ b/src/iso19111/c_api.cpp
@@ -3029,7 +3029,8 @@ PJ *proj_create_vertical_crs_ex(
                     ? std::dynamic_pointer_cast<CRS>(geoid_geog_crs->iso_obj)
                     : nullptr;
             const auto model(Transformation::create(
-                propsModel, vertCRSWithoutGeoid, GeographicCRS::EPSG_4979,
+                propsModel, vertCRSWithoutGeoid,
+                GeographicCRS::EPSG_4979, // arbitrarily chosen. Ignored
                 interpCRS,
                 OperationMethod::create(PropertyMap(),
                                         std::vector<OperationParameterNNPtr>()),
-- 
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