When importing a heightmap, the result looks transposed. If the heightmap is symmetrical this is easy to miss. The easiest way to verify this is to create a heightmap in a different tool, then save it as both raw heightmap data (r16) and PNG. You can then load both in Krita and observe the difference.
Git commit b4b9021616edcfb1e6bfd084c5567f69da7668fa by Victor Wåhlström. Committed on 14/07/2017 at 19:27. Pushed by victorw into branch 'master'. Add support for non-square heightmap import/export and various related improvements/bugfixes * Support for non-square heightmap files (.r8, .r16) * New heightmap import/export dialog * Fixed issue where imported heightmap is "transposed" * Fixed issue where saving an r16 heightmap file as r8 or vice versa only changes the extension Related: bug 381774, bug 381866 Differential Revision: https://phabricator.kde.org/D6460 M +10 -0 libs/ui/kis_config.cc M +3 -0 libs/ui/kis_config.h M +4 -0 plugins/impex/heightmap/CMakeLists.txt M +39 -44 plugins/impex/heightmap/kis_heightmap_export.cpp M +1 -17 plugins/impex/heightmap/kis_heightmap_export.h M +50 -35 plugins/impex/heightmap/kis_heightmap_import.cpp M +1 -1 plugins/impex/heightmap/kis_heightmap_import.h A +230 -0 plugins/impex/heightmap/kis_wdg_options_heightmap.cpp [License: LGPL (v2.1+)] A +52 -0 plugins/impex/heightmap/kis_wdg_options_heightmap.h [License: LGPL (v2.1+)] M +170 -59 plugins/impex/heightmap/kis_wdg_options_heightmap.ui A +10 -0 plugins/impex/heightmap/tests/CMakeLists.txt A +- -- plugins/impex/heightmap/tests/data/results/test_512x256.r16.png A +- -- plugins/impex/heightmap/tests/data/results/test_512x256.r8.png A +- -- plugins/impex/heightmap/tests/data/results/test_512x512.r16.png A +- -- plugins/impex/heightmap/tests/data/results/test_512x512.r8.png A +- -- plugins/impex/heightmap/tests/data/sources/test_512x256.r16 A +1 -0 plugins/impex/heightmap/tests/data/sources/test_512x256.r8 A +- -- plugins/impex/heightmap/tests/data/sources/test_512x512.r16 A +1 -0 plugins/impex/heightmap/tests/data/sources/test_512x512.r8 A +36 -0 plugins/impex/heightmap/tests/kis_heightmap_test.cpp [License: GPL (v2+)] A +31 -0 plugins/impex/heightmap/tests/kis_heightmap_test.h [License: GPL (v2+)] https://commits.kde.org/krita/b4b9021616edcfb1e6bfd084c5567f69da7668fa