From 97a5cd554a2111e1a4c709ce08bd1d6b4d92fcc5 Mon Sep 17 00:00:00 2001
From: Even Rouault <even.rouault@spatialys.com>
Date: Mon, 22 Sep 2025 09:35:49 +0200
Subject: [PATCH] Database: enable transformations_czechia.sql

now that cz_cuzk_table_-y-x_3_v1710.tif is available
(https://github.com/OSGeo/PROJ-data/pull/147)
---
 data/CMakeLists.txt                           |  2 +-
 data/sql/grid_alternatives.sql                |  1 +
 ..._extra.sql => transformations_czechia.sql} | 38 +++++++++----------
 data/sql_filelist.cmake                       |  3 +-
 4 files changed, 20 insertions(+), 24 deletions(-)
 rename data/sql/{transformations_czechia_extra.sql => transformations_czechia.sql} (89%)

diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index d6037e5f89..e76fc90cef 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -31,7 +31,7 @@ set(ALL_SQL_IN "${CMAKE_CURRENT_BINARY_DIR}/all.sql.in")
 set(PROJ_DB "${CMAKE_CURRENT_BINARY_DIR}/proj.db")
 include(sql_filelist.cmake)
 
-set(PROJ_DB_SQL_EXPECTED_MD5 "b8daa2ff03527581ed3caa218d85b139")
+set(PROJ_DB_SQL_EXPECTED_MD5 "6f423b1083f1699c286c0fb7c6f2d21e")
 
 add_custom_command(
   OUTPUT ${PROJ_DB}
diff --git a/data/sql/grid_alternatives.sql b/data/sql/grid_alternatives.sql
index f67904d5cf..8c6ea1154e 100644
--- a/data/sql/grid_alternatives.sql
+++ b/data/sql/grid_alternatives.sql
@@ -104,6 +104,7 @@ VALUES
 
 -- cz_cuzk - ČÚZK
 ('CR2005_GTX.gtx','cz_cuzk_CR-2005.tif',NULL,'GTiff','geoid_like',0,NULL,'https://cdn.proj.org/cz_cuzk_CR-2005.tif',1,1,NULL),
+('cz_cuzk_table_-y-x_3_v1710.tif','cz_cuzk_table_-y-x_3_v1710.tif',NULL,'GTiff','gridshift',0,NULL,'https://cdn.proj.org/cz_cuzk_table_-y-x_3_v1710.tif',1,1,NULL),
 
 -- de_adv - Arbeitsgemeinschaft der Vermessungsverwaltungender der Länder der Bundesrepublik Deutschland (AdV)
 ('BETA2007.gsb','de_adv_BETA2007.tif','BETA2007.gsb','GTiff','hgridshift',0,NULL,'https://cdn.proj.org/de_adv_BETA2007.tif',1,1,NULL),
diff --git a/data/sql/transformations_czechia_extra.sql b/data/sql/transformations_czechia.sql
similarity index 89%
rename from data/sql/transformations_czechia_extra.sql
rename to data/sql/transformations_czechia.sql
index 93592428e8..424ad19c9a 100644
--- a/data/sql/transformations_czechia_extra.sql
+++ b/data/sql/transformations_czechia.sql
@@ -1,18 +1,14 @@
 -- This file is hand generated.
 
--- WARNING: for now this file is not integrated in the default build, due to
--- licensing of grids cz_cuzk_table_yx_3_v1710_east_north.tif and cz_cuzk_CR-2005.tif
--- being not clarified.
-
 -- Czechia transformations
 
 -- 2d transformations between S-JTSK / Krovak and S-JTSK/05 / Modified Krovak using a grid with easting,northing offsets
 
 INSERT INTO other_transformation VALUES(
     'PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N','S-JTSK / Krovak East North (EPSG:5514) to S-JTSK/05 / Modified Krovak East North (EPSG:5516)',
-    'Transformation based on grid table_yx_3_v1710.dat',
+    'Transformation based on grid table_-y-x_3_v1710.tif',
     'PROJ','PROJString',
-    '+proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif',
+    '+proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif',
     'EPSG','5514','EPSG','5516',0.035,
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
 INSERT INTO "usage" VALUES('PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N_USAGE','other_transformation','PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N','EPSG','1079','EPSG','1189');
@@ -20,10 +16,10 @@ INSERT INTO "usage" VALUES('PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N_USAGE','other_tran
 
 INSERT INTO other_transformation VALUES(
     'PROJ','S_JTSK_E_N_TO_S_JTSK05','S-JTSK / Krovak East North (EPSG:5514) to S-JTSK/05 / Modified Krovak (EPSG:5515)',
-    'Transformation based on grid table_yx_3_v1710.dat',
+    'Transformation based on grid table_-y-x_3_v1710.tif',
     'PROJ','PROJString',
     '+proj=pipeline ' ||
-        '+step +proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif ' ||
+        '+step +proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif ' ||
         '+step +proj=axisswap +order=-2,-1',
     'EPSG','5514','EPSG','5515',0.035,
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
@@ -32,11 +28,11 @@ INSERT INTO "usage" VALUES('PROJ','S_JTSK_E_N_TO_S_JTSK05_USAGE','other_transfor
 
 INSERT INTO other_transformation VALUES(
     'PROJ','S_JTSK_TO_S_JTSK05_E_N','S-JTSK / Krovak (EPSG:5513) to S-JTSK/05 / Modified Krovak East North (EPSG:5516)',
-    'Transformation based on grid table_yx_3_v1710.dat',
+    'Transformation based on grid table_-y-x_3_v1710.tif',
     'PROJ','PROJString',
     '+proj=pipeline ' ||
         '+step +proj=axisswap +order=-2,-1 ' ||
-        '+step +proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif',
+        '+step +proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif',
     'EPSG','5513','EPSG','5516',0.035,
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
 INSERT INTO "usage" VALUES('PROJ','S_JTSK_TO_S_JTSK05_E_N_USAGE','other_transformation','PROJ','S_JTSK_TO_S_JTSK05_E_N','EPSG','1079','EPSG','1189');
@@ -44,11 +40,11 @@ INSERT INTO "usage" VALUES('PROJ','S_JTSK_TO_S_JTSK05_E_N_USAGE','other_transfor
 
 INSERT INTO other_transformation VALUES(
     'PROJ','S_JTSK_TO_S_JTSK05','S-JTSK / Krovak (EPSG:5513) to S-JTSK/05 / Modified Krovak (EPSG:5515)',
-    'Transformation based on grid table_yx_3_v1710.dat',
+    'Transformation based on grid table_-y-x_3_v1710.tif',
     'PROJ','PROJString',
     '+proj=pipeline ' ||
         '+step +proj=axisswap +order=-2,-1 ' ||
-        '+step +proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif ' ||
+        '+step +proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif ' ||
         '+step +proj=axisswap +order=-2,-1',
     'EPSG','5513','EPSG','5515',0.035,
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
@@ -60,21 +56,21 @@ UPDATE other_transformation SET accuracy = 0.1 WHERE name = 'S-JTSK to S-JTSK/05
 
 INSERT INTO "concatenated_operation" VALUES(
     'PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG','S-JTSK (EPSG:4156) to S-JTSK/05 (EPSG:5228)',
-    'Transformation based on grid table_yx_3_v1710.dat','EPSG','4156','EPSG','5228',NULL,NULL,0);
-INSERT INTO "concatenated_operation_step" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG',1,'EPSG','5510','reverse');
+    'Transformation based on grid table_-y-x_3_v1710.tif','EPSG','4156','EPSG','5228',NULL,NULL,0);
+INSERT INTO "concatenated_operation_step" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG',1,'EPSG','5510','forward');
 INSERT INTO "concatenated_operation_step" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG',2,'PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N','forward');
-INSERT INTO "concatenated_operation_step" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG',3,'EPSG','5512','forward');
+INSERT INTO "concatenated_operation_step" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG',3,'EPSG','5512','reverse');
 INSERT INTO "usage" VALUES('PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG_USAGE','concatenated_operation','PROJ','S_JTSK_GEOG_TO_S_JTSK05_GEOG','EPSG','1079','EPSG','1189');
 
 
 -- CUZK recommends to do ETRS89 to S-JTSK / Krovak by doing:
 -- 1) ETRS89 to S-JTSK/05 using a Helmert transformation (EPSG:5226)
 -- 2) S-JTSK/05 to S-JTSK/05 / Modified Krovak, using modified Krovak projection (EPSG:5512)
--- 3) S-JTSK/05 / Modified Krovak to S-JTSK / Krovak using (reverse) grid table_yx_3_v1710.dat
+-- 3) S-JTSK/05 / Modified Krovak to S-JTSK / Krovak using (reverse) grid table_-y-x_3_v1710.tif
 -- Cf https://www.cuzk.cz/Zememerictvi/Geodeticke-zaklady-na-uzemi-CR/GNSS/Nova-realizace-systemu-ETRS89-v-CR/Metodika-prevodu-ETRF2000-vs-S-JTSK-var2(101208).aspx (Metodika převodu mezi ETRF2000 a S-JTSK varianta 2)
 INSERT INTO "concatenated_operation" VALUES(
     'PROJ','ETRS89_TO_S_JTSK_E_N','ETRS89 to S-JTSK / Krovak East North (EPSG:5514)',
-    'Transformation based on grid table_yx_3_v1710.dat','EPSG','4258','EPSG','5514',NULL,NULL,0);
+    'Transformation based on grid table_-y-x_3_v1710.tif','EPSG','4258','EPSG','5514',NULL,NULL,0);
 INSERT INTO "concatenated_operation_step" VALUES('PROJ','ETRS89_TO_S_JTSK_E_N',1,'EPSG','5226','reverse');
 INSERT INTO "concatenated_operation_step" VALUES('PROJ','ETRS89_TO_S_JTSK_E_N',2,'EPSG','5512','forward');
 INSERT INTO "concatenated_operation_step" VALUES('PROJ','ETRS89_TO_S_JTSK_E_N',3,'PROJ','S_JTSK_E_N_TO_S_JTSK05_E_N','reverse');
@@ -142,10 +138,10 @@ INSERT INTO "usage" VALUES('PROJ','S_JTSK_E_N_BALTIC_HEIGHT_USAGE','compound_crs
 
 INSERT INTO other_transformation VALUES(
     'PROJ','ETRS89_3D_TO_S_JTSK_E_N_BALTIC_HEIGHT','ETRS89 to S-JTSK / Krovak East North + Baltic 1957 height',
-    'Transformation based on grids CR-2005.gtx and table_yx_3_v1710.dat ',
+    'Transformation based on grids CR-2005.gtx and table_-y-x_3_v1710.tif ',
     'PROJ','PROJString',
     (SELECT v FROM temp_var WHERE k = 'ETRS89_3D_TO_S_JTSK05_E_N_BALTIC_HEIGHT') ||
-        '+step +inv +proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif ',
+        '+step +inv +proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif ',
     'EPSG','4937','PROJ','S_JTSK_E_N_BALTIC_HEIGHT',
     0.05, -- guessed...
     NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,NULL,0);
@@ -157,10 +153,10 @@ INSERT INTO "usage" VALUES('PROJ','S_JTSK_BALTIC_HEIGHT_USAGE','compound_crs','P
 
 INSERT INTO other_transformation VALUES(
     'PROJ','ETRS89_3D_TO_S_JTSK_BALTIC_HEIGHT','ETRS89 to S-JTSK / Krovak + Baltic 1957 height',
-    'Transformation based on grids CR-2005.gtx and table_yx_3_v1710.dat ',
+    'Transformation based on grids CR-2005.gtx and table_-y-x_3_v1710.tif ',
     'PROJ','PROJString',
     (SELECT v FROM temp_var WHERE k = 'ETRS89_3D_TO_S_JTSK05_E_N_BALTIC_HEIGHT') ||
-        '+step +inv +proj=gridshift +grids=cz_cuzk_table_yx_3_v1710_east_north.tif ' ||
+        '+step +inv +proj=gridshift +grids=cz_cuzk_table_-y-x_3_v1710.tif ' ||
         '+step +proj=axisswap +order=-2,-1', -- East North --> Southing Westing
     'EPSG','4937','PROJ','S_JTSK_BALTIC_HEIGHT',
     0.05, -- guessed...
diff --git a/data/sql_filelist.cmake b/data/sql_filelist.cmake
index d07c7fbb7e..5f2c0765ab 100644
--- a/data/sql_filelist.cmake
+++ b/data/sql_filelist.cmake
@@ -56,8 +56,7 @@ list(APPEND SQL_FILES
   "${SQL_DIR}/nkg.sql"
   "${SQL_DIR}/iau.sql"
   "${SQL_DIR}/nrcan.sql"
-  # Below file not yet integrated to unclear licensing of referenced grid file
-  # "${SQL_DIR}/transformations_czechia_extra.sql"
+  "${SQL_DIR}/transformations_czechia.sql"
   "${SQL_DIR}/grid_alternatives.sql"
   "${SQL_DIR}/grid_alternatives_generated_noaa.sql"
   "${SQL_DIR}/nadcon5_concatenated_operations.sql"