diff --git a/xcode/indexer/indexer.xcodeproj/project.pbxproj b/xcode/indexer/indexer.xcodeproj/project.pbxproj
index 5a274b30e7..e70ffdc8c1 100644
--- a/xcode/indexer/indexer.xcodeproj/project.pbxproj
+++ b/xcode/indexer/indexer.xcodeproj/project.pbxproj
@@ -14,6 +14,11 @@
 		34583BCA1C88552100F94664 /* editable_map_object.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 34583BC41C88552100F94664 /* editable_map_object.hpp */; };
 		34583BCB1C88552100F94664 /* map_object.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 34583BC51C88552100F94664 /* map_object.cpp */; };
 		34583BCC1C88552100F94664 /* map_object.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 34583BC61C88552100F94664 /* map_object.hpp */; };
+		34664CF31D49FEC1003D7096 /* altitude_loader.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 34664CEE1D49FEC1003D7096 /* altitude_loader.cpp */; };
+		34664CF41D49FEC1003D7096 /* altitude_loader.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 34664CEF1D49FEC1003D7096 /* altitude_loader.hpp */; };
+		34664CF51D49FEC1003D7096 /* feature_altitude.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 34664CF01D49FEC1003D7096 /* feature_altitude.hpp */; };
+		34664CF61D49FEC1003D7096 /* centers_table.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 34664CF11D49FEC1003D7096 /* centers_table.cpp */; };
+		34664CF71D49FEC1003D7096 /* centers_table.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 34664CF21D49FEC1003D7096 /* centers_table.hpp */; };
 		347F337B1C454242009758CC /* rank_table.cpp in Sources */ = {isa = PBXBuildFile; fileRef = 347F33721C454242009758CC /* rank_table.cpp */; };
 		347F337C1C454242009758CC /* rank_table.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 347F33731C454242009758CC /* rank_table.hpp */; };
 		347F337D1C454242009758CC /* succinct_trie_builder.hpp in Headers */ = {isa = PBXBuildFile; fileRef = 347F33741C454242009758CC /* succinct_trie_builder.hpp */; };
@@ -194,6 +199,11 @@
 		34583BC41C88552100F94664 /* editable_map_object.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = editable_map_object.hpp; sourceTree = "<group>"; };
 		34583BC51C88552100F94664 /* map_object.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = map_object.cpp; sourceTree = "<group>"; };
 		34583BC61C88552100F94664 /* map_object.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = map_object.hpp; sourceTree = "<group>"; };
+		34664CEE1D49FEC1003D7096 /* altitude_loader.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = altitude_loader.cpp; sourceTree = "<group>"; };
+		34664CEF1D49FEC1003D7096 /* altitude_loader.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = altitude_loader.hpp; sourceTree = "<group>"; };
+		34664CF01D49FEC1003D7096 /* feature_altitude.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = feature_altitude.hpp; sourceTree = "<group>"; };
+		34664CF11D49FEC1003D7096 /* centers_table.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = centers_table.cpp; sourceTree = "<group>"; };
+		34664CF21D49FEC1003D7096 /* centers_table.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = centers_table.hpp; sourceTree = "<group>"; };
 		347F33721C454242009758CC /* rank_table.cpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.cpp; path = rank_table.cpp; sourceTree = "<group>"; };
 		347F33731C454242009758CC /* rank_table.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = rank_table.hpp; sourceTree = "<group>"; };
 		347F33741C454242009758CC /* succinct_trie_builder.hpp */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.cpp.h; path = succinct_trie_builder.hpp; sourceTree = "<group>"; };
@@ -493,6 +503,11 @@
 		6753409C1A3F53CB00A0A8C3 /* indexer */ = {
 			isa = PBXGroup;
 			children = (
+				34664CEE1D49FEC1003D7096 /* altitude_loader.cpp */,
+				34664CEF1D49FEC1003D7096 /* altitude_loader.hpp */,
+				34664CF01D49FEC1003D7096 /* feature_altitude.hpp */,
+				34664CF11D49FEC1003D7096 /* centers_table.cpp */,
+				34664CF21D49FEC1003D7096 /* centers_table.hpp */,
 				67BC92EE1D21476500A4A378 /* osm_editor.hpp */,
 				67BC92EF1D21476500A4A378 /* string_set.hpp */,
 				67BC92F01D21476500A4A378 /* string_slice.cpp */,
@@ -631,6 +646,7 @@
 				675341291A3F540F00A0A8C3 /* ftypes_matcher.hpp in Headers */,
 				675341201A3F540F00A0A8C3 /* feature_processor.hpp in Headers */,
 				675341341A3F540F00A0A8C3 /* interval_index.hpp in Headers */,
+				34664CF51D49FEC1003D7096 /* feature_altitude.hpp in Headers */,
 				675341241A3F540F00A0A8C3 /* feature_visibility.hpp in Headers */,
 				6753411D1A3F540F00A0A8C3 /* feature_loader_base.hpp in Headers */,
 				F6381BFA1CD26C9C004CA943 /* new_feature_categories.hpp in Headers */,
@@ -638,6 +654,7 @@
 				675341131A3F540F00A0A8C3 /* feature_algo.hpp in Headers */,
 				6726C1D21A49DAAC005EEA39 /* feature_meta.hpp in Headers */,
 				347F337F1C454242009758CC /* trie_builder.hpp in Headers */,
+				34664CF71D49FEC1003D7096 /* centers_table.hpp in Headers */,
 				6753412D1A3F540F00A0A8C3 /* geometry_serialization.hpp in Headers */,
 				6753414C1A3F540F00A0A8C3 /* tree_structure.hpp in Headers */,
 				F6DF5F311CD0FD9A00A87154 /* categories_index.hpp in Headers */,
@@ -684,6 +701,7 @@
 				675341261A3F540F00A0A8C3 /* feature.hpp in Headers */,
 				34583BCA1C88552100F94664 /* editable_map_object.hpp in Headers */,
 				34583BCC1C88552100F94664 /* map_object.hpp in Headers */,
+				34664CF41D49FEC1003D7096 /* altitude_loader.hpp in Headers */,
 				670D04AC1B0BA8580013A7AC /* feature_loader_101.hpp in Headers */,
 				67BC92F21D21476500A4A378 /* osm_editor.hpp in Headers */,
 				675341081A3F540F00A0A8C3 /* data_factory.hpp in Headers */,
@@ -815,6 +833,7 @@
 				56C74C1C1C749E4700B71B9F /* categories_holder_loader.cpp in Sources */,
 				6753410D1A3F540F00A0A8C3 /* drawing_rules.cpp in Sources */,
 				675341301A3F540F00A0A8C3 /* index.cpp in Sources */,
+				34664CF61D49FEC1003D7096 /* centers_table.cpp in Sources */,
 				56C74C201C749E4700B71B9F /* edits_migration.cpp in Sources */,
 				6753414D1A3F540F00A0A8C3 /* types_mapping.cpp in Sources */,
 				6753412A1A3F540F00A0A8C3 /* geometry_coding.cpp in Sources */,
@@ -834,6 +853,7 @@
 				675341091A3F540F00A0A8C3 /* data_header.cpp in Sources */,
 				6753412C1A3F540F00A0A8C3 /* geometry_serialization.cpp in Sources */,
 				670EE56C1B60033A001E8064 /* features_vector.cpp in Sources */,
+				34664CF31D49FEC1003D7096 /* altitude_loader.cpp in Sources */,
 				6726C1D11A49DAAC005EEA39 /* feature_meta.cpp in Sources */,
 				6753411C1A3F540F00A0A8C3 /* feature_loader_base.cpp in Sources */,
 				67BC92F41D21476500A4A378 /* string_slice.cpp in Sources */,