Talk:Change detection
From AWF-Wiki
Visualization of multi-temporal Landsat images
- Add subsets of 3 Landsat TM multispectral scenes of 1992 (SUB_LT4_1992-07-30_MUL.tif), 2006 (SUB_LT5_2006-06-11_MUL.tif) and 2010 (SUB_LT5_2010-07-08_MUL.tif) into the QGIS TOC.
- Create color composites RGB=(B5 SWIR-1),(B4 NIR), (B3 Red) following Changing Raster Layer Style of a multiband file.
- Select Web --> OpenLayers plugin --> Google Maps --> Google Satellite. If the Plugin doesn't exist you'll first have to install the Openlayers plugin using Plugins --> Manage and install plugins. A new Layer Google Maps is loaded. The project CRS is automatically set to WGS84/Pseudo Mercator (EPSG:3857). Drag and drop the Layer to the bottom of the TOC.