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How to load, in QGIS, raster datasets originally mosaicked in ArcGIS?

Geographic Information Systems Asked by c_vanderlip on February 7, 2021

I have used ArcGIS for years in an academic context but have very recently started using QGIS in earnest as my ArcGIS license is expired and I want to experience a new set of soul rending frustrations. I have a large catalog of DEM rasters from the US National Elevation Dataset (in ArcGRID and/or Gridfloat format) that have been mosaicked with ArcGIS. I do not know how to give more data on them, as I cannot access them in ArcCatalog and they do not show up in QGIS’ Browser (at least as files I’m used to seeing or whose structure I can understand).

When I "Add Raster Data" in QGIS and open the file browse (Windows) dialog (with the "..." button), navigate to my geodatabase, I am given the option to choose from a number of file types, none of which seem to be the actual raster/mosaic I’m looking for (like I would see in ArcCatalog). When I click the file type dropdown, I can narrow down the selection, but none of the individual files in the geodatabase folder are of any of those types.

I have ATX(.atx) FREELIST(.freelist) GDBINDEXES(.gdbindex) GDBTABLE(.gdbtable) GDBTABLX(.gdbtablx) LOCK(.sr.lock) SPX(.spx) SUBFILE(.subfile) SUBFILX(.subfilx), but none of these seem to be the actual data I am looking for. Adding any of these filetypes throws an INVALID LAYER error (Invalid Layer: GDAL provider Cannot open GDAL dataset G:[filepath] not recognized as a supported file format. Raster layer Provider is not valid...)

How do I load a raster of this type into QGIS?

THIS LINK seems to address the same question, but I don’t seem to have any .adf files either (at least not with my mosaicked datasets.

I am using QGIS 3.6.2-Noosa on Windows 10

One Answer

QGIS now supports import from ESRI Geodatabases by dragging them from the file catalog window into the QGIS project.

Answered by Jeremy on February 7, 2021

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