A

The following three methods are introduced for converting SGLI HDF data to GeoTIFF:

• Using GDAL
• Using the SGLI Map Projection and GeoTIFF Conversion Tool
• Using the Format Conversion Tool

*For information on converting netCDF data to GeoTIFF, please see here.

Document 6 also describes how to merge and crop converted GeoTIFF data.

• GeoTIFF Conversion Using GDAL
Document 1: Scene Products
Document 2: Level-2 Products (Scene)
Document 3: Level-3 Products (EQR)
Document 4: Level-2 Products (Tile, EQA)
Document 5: Color Composite Display Using QGIS
GCP Calculation Sheet for GDAL Conversion of Level-2 Tile Products


• Using the SGLI Map projection & GeoTIFF conversion Tool
This is an SGLI-specific conversion tool provided through G-Portal. It can be run from the command line.

Document 6: How to Merge and Crop GeoTIFF Data
*For instructions on merging and cropping GeoTIFF data using GDAL, please refer to Step 2 and subsequent steps.
*For precautions when using the SGLI Map Projection and GeoTIFF Conversion Tool, please refer to this FAQ.


• Using the Earth Observation Data Conversion Tool
This is a GUI-based conversion tool provided through G-Portal that supports data from various satellites.

Document 7: GeoTIFF Conversion of Shikisai Images Using the Format Conversion Tool

Last update: 2026/09/25