Loading raster files is not much different to loading vector files. Selecting the Layer menu entry and then clicking on Add Raster Layer, clicking on the Add Raster Layer button, or pressing the Ctrl + Shift + R shortcut will take you directly to the file-opening dialog. Again, you can check the file type filter to see a list of the supported file types.
Let's give it a try and load
landcover.img from the
raster sample data folder. Similarly, just like vector files, you can load rasters by dragging them into QGIS from the operating system or the built-in file browser.
Support for all these different vector and raster file types in QGIS is handled by the powerful
OGR package. You can check the full list of supported ...