It may include translation, rotation and scaling. tfw… depending on the format), it is used as the initial positioning of the raster: When first created, if the image already has some georeferencing information, such as a world file (.jgw. Note also that the raster layer added by this tool does not have all the capabilities of a normal QGIS raster layer: It is limited to visualization and modification using the provided tools.Ĭlick on “Browse…” to select a file (JPEG, PNG, TIFF or BMP) and OK to load the raster.Īs a result, a new layer is created in the Table of Content and is displayed on the map canvas. It uses Qt to read and and manipulate the raster and is therefore limited to the formats supported by that library. “Add a raster for interactive georeferencing” tool ” tool is selected in the Layers Panel.Ībove, the toolbar with all the tools enabled, in the order described above. “Export raster with world file” (disabled at first)Įxcept for the “Add raster for interactive georeferencing” tool, which is always active, the tools of the toolbar become active only when a raster added with the “Add raster. “Increase transparency” (shortcut: Alt+Ctrl+N) (disabled at first). “Decrease transparency” (shortcut: Alt+Ctrl+B) (disabled at first). “Georeference raster with 2 Points” (disabled at first). “Adjust sides of raster” (disabled at first). “Add raster for interactive georeferencing” button (same functionality as what is described above). This toolbar contains the following tools: It can be hidden using the corresponding entry in the “View” > “Toolbars” menu. A “Freehand raster georeferencing” toolbar is installed and visible by default. The same functionality is also available in the “Manage Layers” toolbar. An “Add raster for interactive georeferencing” tool under the “Raster” > “Freehand Raster Georeferencer” menu. The plugin installs the following UI elements: Install the "Freehand raster georeferencer" plugin. 
In QGIS, open the "Plugins" > "Manage and install plugin" dialog. The plugin is compatible with both QGIS 2 and QGIS 3.
Freehand Raster Georeferencer - QGIS plugin for the interactive georeferencing of rastersįreehand raster georeferencer plugin for QGIS
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