From 95ee9fabd268dde1a3c8b51e88bb7dc318e29de1 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Thu, 21 Feb 2019 11:35:12 +0100
Subject: proj.db: add custom entry for 'FVR09 height to ETRS89'

---
 data/sql/grid_alternatives.sql          | 17 +++++++++++++++++
 data/sql/grid_transformation_custom.sql | 13 +++++++++++++
 2 files changed, 30 insertions(+)

(limited to 'data/sql')

diff --git a/data/sql/grid_alternatives.sql b/data/sql/grid_alternatives.sql
index dfeb1251..a287012c 100644
--- a/data/sql/grid_alternatives.sql
+++ b/data/sql/grid_alternatives.sql
@@ -292,6 +292,23 @@ INSERT INTO grid_alternatives(original_grid_name,
                               'proj-datumgrid-europe',
                               NULL, NULL, NULL, NULL);
 
+-- Faroe islands height models
+
+INSERT INTO grid_alternatives(original_grid_name,
+                              proj_grid_name,
+                              proj_grid_format,
+                              proj_method,
+                              inverse_direction,
+                              package_name,
+                              url, direct_download, open_license, directory)
+                      VALUES ('fvr09.gtx',
+                              'fvr09.gtx', -- no change. Just document the package
+                              'GTX',
+                              'vgridshift',
+                              0,         -- do not reverse here as grid_transformation_custom does reference from VerticalCRS height to Geographic height
+                              'proj-datumgrid-europe',
+                              NULL, NULL, NULL, NULL);
+
 -- Sweden height models
 
 INSERT INTO grid_alternatives(original_grid_name,
diff --git a/data/sql/grid_transformation_custom.sql b/data/sql/grid_transformation_custom.sql
index 89234ef7..3c47273e 100644
--- a/data/sql/grid_transformation_custom.sql
+++ b/data/sql/grid_transformation_custom.sql
@@ -24,6 +24,19 @@ INSERT INTO "grid_transformation" VALUES(
     'EPSG','8666','Geoid (height correction) model file','dnn.gtx',
     NULL,NULL,NULL,NULL,NULL,NULL,0);
 
+-- Faroe Islands
+
+INSERT INTO "grid_transformation" VALUES(
+    'PROJ','EPSG_5317_TO_EPSG_4937','FVR09 height to ETRS89',
+    NULL,NULL,
+    'PROJ','HEIGHT_TO_GEOGRAPHIC3D','GravityRelatedHeight to Geographic3D',
+    'EPSG','5317', -- source CRS (FVR09 height)
+    'EPSG','4937', -- target CRS (ETRS89)
+    'EPSG','3248', -- area of use: Faroe Islands - onshore
+    NULL,
+    'EPSG','8666','Geoid (height correction) model file','fvr09.gtx',
+    NULL,NULL,NULL,NULL,NULL,NULL,0);
+
 -- Sweden
 
 INSERT INTO "grid_transformation" VALUES(
-- 
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