Raster metadata

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Revision as of 18:15, 21 October 2018 by Hfuchs (Talk | contribs)

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  1. Click the Open Data Source Manger QGIS 3.0 datasource.png and then Add raster layer QGIS 2.0 addrast.png. Select file /geodata/raster/s2/Subset_S2A_MSIL2A_20170619T_MUL.tif.
  2. After clicking Add, Closethe raster layer appears on the QGIS canvas.
  3. Right click the layer name in the Layers Panel and select Properties --> General. Report on the spatial reference system, size (columns and rows in pixels) and if a specific No-Data value is assigned.
  4. Choose Properties --> Information QGIS 2.0 metadata info.png. In the "properties" window scroll down and have a look on univariate descriptive statistics such as minimum, maximum, mean and standard deviation for each band. How many bands are included in the multiband file? If statistics are not shown for all bands go to Properties --> Histogram and click Compute Histogram. If layer extents are not shown go to Properties --> Metadata --> Extent. Click {{{text}}} and then {{{text}}}.
  5. Report on:
    • Pixel size
    • No Data Value
    • Data type
    • Layer spatial reference system
    • Layer extent (Xmin, Ymin, Xmax, Ymax)
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