From 70bc293a43def169fa34ed8e97a5cb06b336f247 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Wed, 20 Feb 2019 12:18:16 +0100
Subject: Vertical CRS transformation: synthetize a vertical unit change
 transformation when needed, and also sort Null geographic offset
 transformation in last

---
 include/proj/coordinateoperation.hpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include/proj/coordinateoperation.hpp')

diff --git a/include/proj/coordinateoperation.hpp b/include/proj/coordinateoperation.hpp
index 92b655f9..2f7c9bbf 100644
--- a/include/proj/coordinateoperation.hpp
+++ b/include/proj/coordinateoperation.hpp
@@ -1493,6 +1493,11 @@ class PROJ_GCC_DLL Transformation : public SingleOperation {
     PROJ_DLL TransformationNNPtr substitutePROJAlternativeGridNames(
         io::DatabaseContextNNPtr databaseContext) const;
 
+    PROJ_DLL static TransformationNNPtr createChangeVerticalUnit(
+        const util::PropertyMap &properties, const crs::CRSNNPtr &sourceCRSIn,
+        const crs::CRSNNPtr &targetCRSIn, const common::Scale &factor,
+        const std::vector<metadata::PositionalAccuracyNNPtr> &accuracies);
+
     PROJ_PRIVATE :
         //! @cond Doxygen_Suppress
         PROJ_INTERNAL const std::string &
-- 
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