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Independent Grid (Print Composer) Grids in the print composer can now be added independent of the projection of the map, and you can add as many grids you could possibly want. Colour Picker The standard colours can be edited in the settings ( Settings – Options ). Not only can you add and remove colours, you can also name them to your content. Your personal standard colours can then be shared by import/export functions (GIMP Palette *.gpl). Python Parser If you are writing Python script that runs automatically when a project is opened, saved or closed, you will now get additional help with row numbers and a syntax parser. Geometry precision for QGIS Server This is important for all who use QGIS Server and projected coordinate systems. By setting a limited number of decimals in the coordinate you can significantly reduce the bandwidth for the requests. etc BTW can' wait till 24- 10 - 2014 , QGIS 2.6 source : http://www.digital-geography.com :D :D :D

For LANDSAT 5 and 7. Please go through the matter below and do accordingly- Standard Terrain Correction (Level 1T) - provides systematic radiometric and geometric accuracy by incorporating ground control points while employing a Digital Elevation Model (DEM) for topographic accuracy. Geodetic accuracy of the product depends on the accuracy of the ground control points and the resolution of the DEM used: Ground control points used for Level 1T correction come from the GLS2000 data set. DEM sources include SRTM, NED, CDED, DTED, and GTOPO 30 Systematic Terrain Correction (Level 1Gt) - provides systematic, radiometric, and geometric accuracy, while employing a Digital Elevation Model (DEM) for topographic accuracy.Landsat 7 scenes over Antarctica are the only data processed to an L1Gt. The Ramp V2 DEM is the elevation correction source.Systematic Correction (Level 1G) - provides systematic radiometric and geometric accuracy, which is derived from data collected by the sensor and spacecraft. Geometric accuracy of the systematically corrected product should be within 250 meters (1 sigma) for low-relief areas at sea level.