What is the bug or the crash?
The Float16 data type has been added in GDAL 3.11 but QGIS does not render Float16 rasters correctly.
Float32 example:
Float16 example:
Steps to reproduce the issue
-
Create a Float16 raster using GDAL e.g.
gdal_translate -ot Float16 "C:\GIS\Data\EMODnet\D4_2024_clipped.tif" "C:\GIS\Data\EMODnet\D4_2024_clipped_float16.tif"
-
View in QGIS
Test files:
D4_2024_clipped.tif
D4_2024_clipped_float16.tif
Versions
| QGIS version | 3.44.7-Solothurn |
| QGIS code revision | ea262bc5ed8 |
| |
| Libraries |
| Qt version | 5.15.13 |
| Python version | 3.12.12 |
| GDAL version | 3.12.1 — Chicoutimi |
| PROJ version | 9.7.1 |
| EPSG Registry database version | v12.029 (2025-10-03) |
| GEOS version | 3.14.1-CAPI-1.20.5 |
| SQLite version | 3.50.4 |
| PDAL version | 2.9.0 |
| PostgreSQL client version | 17.3 |
| SpatiaLite version | 5.1.0 |
| QWT version | 6.3.0 |
| QScintilla2 version | 2.14.1 |
| OS version | Windows 11 Version 2009 |
| |
| Active Python plugins |
| db_manager | 0.1.20 |
| grassprovider | 2.12.99 |
| MetaSearch | 0.3.6 |
| processing | 2.12.99 |
Supported QGIS version
New profile
Additional context
Split off as a bug from FR #64827
What is the bug or the crash?
The Float16 data type has been added in GDAL 3.11 but QGIS does not render Float16 rasters correctly.
Float32 example:
Float16 example:
Steps to reproduce the issue
Create a Float16 raster using GDAL e.g.
gdal_translate -ot Float16 "C:\GIS\Data\EMODnet\D4_2024_clipped.tif" "C:\GIS\Data\EMODnet\D4_2024_clipped_float16.tif"View in QGIS
Test files:
D4_2024_clipped.tif
D4_2024_clipped_float16.tif
Versions
Supported QGIS version
New profile
Additional context
Split off as a bug from FR #64827