.. _example_data:

Example Data
************

The EnMAP-Box comes with a ready-to-use example dataset so you can easily test various aspects of the software.

Open
####

The dataset can be accessed via :menuselection:`Project --> Add Example Data`.
This will automatically open all layers in one map view.

.. image:: /img/gui_loadexampledata.png
    :width: 100%

If you try to open the dataset for the first time, you will be asked to
download the data (confirm with :guilabel:`Yes`):

.. figure:: /img/gui_downloadtestdata.png
    :width: 100%

Once downloaded, the data is located inside the plugin folder under :file:`enmapboxplugin\\enmapbox\\exampledata`.

Layers
######


enmap_potsdam.tif
    Hyperspectral EnMAP Level 2A data acquired on the 24th of July 2022 over the City of Potsdam, Germany,
    Provider: DLR (german aerospace center)
    EnMAP L2A scene ID: ENMAP01-____L2A-DT0000001867_20220724T104526Z_008_V010302_20230628T165614Z (processing v1.3.2)
    Ground sampling distance: 30 m
    Number of bands: 224 (from 400 to 2450 nm)
    Number of bad bands: 6 (filled with no data value)
    Data: 330x200x244 (Float32)


aerial_potsdam.tif
    Aerial image acquired on the 1st of April 2019 over the City of Potsdam, Germany.
    Provider: LGB (Landesvermessung und Geobasisinformation Brandenburg)
    Ground sampling distance: 0.2 m resampled to 1 m
    Number of bands: 4 (red, green, blue, near-infrared)
    Data: 9000x9000x4 (Byte)
    Copyrights: GeoBasis-DE/LGB, dl-de/by-2-0 and Geoportal Berlin, dl-de/by-2-0 (data modified). Also see https://geobroker.geobasis-bb.de/gbss.php?MODE=GetProductInformation&PRODUCTID=253b7d3d-6b42-47dc-b127-682de078b7ae


landcover_potsdam_polygon.gpkg
    Land cover reference polygons derived from the aerial imagery described above.
    Number of polygons: 9677
    Level 1 classes: Impervious, Vegetation, Soil, Water
    Level 2 classes: Impervious, Low Vegetation, Soil, Tree, Water
    Level 3 classes: Roof, Pavement, Low Vegetation, Soil, Tree, Water


landcover_potsdam_point.gpkg
    Land cover reference points derived from the aerial imagery described above.
    Number of points: 120
    Level 1 classes: Impervious, Vegetation, Soil, Water
    Level 2 classes: Impervious, Low Vegetation, Soil, Tree, Water


.. figure:: /img/example_data.png
   :align: center
   :width: 100%


   All layers from the Example Dataset opened in one map view

Full EnMAP Example Scene
########################

Download the full EnMAP L2A Scene which :file:`enmap_potsdam.tif` is based on via
:menuselection:`Project --> Download Example Scene` or from the following link:
https://box.hu-berlin.de/f/8baee334773b4cb8847e/