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Merged
rouault merged 1 commit into from
Sep 23, 2025
Merged

Database: enable transformations_czechia.sql #4574

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2 changes: 1 addition & 1 deletion data/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -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}
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1 change: 1 addition & 0 deletions data/sql/grid_alternatives.sql
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Original file line number Diff line number Diff line change
Expand Up @@ -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),
Expand Down
38 changes: 17 additions & 21 deletions data/sql/transformations_czechia_extra.sql → data/sql/transformations_czechia.sql
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Original file line number Diff line number Diff line change
@@ -1,29 +1,25 @@
-- 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');


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);
Expand All @@ -32,23 +28,23 @@ 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');


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);
Expand All @@ -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');
Expand Down Expand Up @@ -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);
Expand All @@ -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...
Expand Down
3 changes: 1 addition & 2 deletions data/sql_filelist.cmake
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Expand Up @@ -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"
Expand Down
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