Import a satellite product into the EnMAP-Box via the main menu or by drag&drop from your file explorer.
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Add a predefined WMS layer.
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The Band Statistics tool reports band histograms and basic statistics like min, max, mean and standard deviation.
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The Bivariate Color Raster Renderer allows to visualize two bands using a 2d color ramp. Find a mapping example here: https://www.joshuastevens.net/cartography/make-a-bivariate-choropleth-map/
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The Class Fraction/Probability Renderer allows allows to visualize arbitrary many fraction/probability bands at the same time, using the original class colors.
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The Classification Statistics tool reports class histograms and area covered in percentage, pixel and map units.
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The CMYK Color Raster Renderer allows to visualize 4 bands using the CMYK (Cyan, Magenta, Yellow, and Key/Black) color model. Find a mapping example here: https://adventuresinmapping.com/2018/10/31/cmyk-vice/
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The Color Space Explorer allows a) to select random and predefined RBG band combinations, and b) to animate RGB bands.
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The Decorrelation Stretch Renderer allows to visualize 3 band. It removes the high correlation commonly found in optical bands to produce a more colorful color composite image.
The Ehanced Multiband Color Renderer allows to visualize arbitrary many bands at the same time using individual color canons for each band (it's currently more a prototype).
.. todo::
Find a good dataset and make a video.
The HSV Color Raster Renderer allows to visualize 3 bands using the HSV (Hue, Saturation, Value/Black) color model. Find a mapping example here: https://landmonitoring.earth/portal/ ; select Maps > Global Landcover Dynamics 2016-2020
.. todo::
Find a good dataset, that is comparable to the *Global Landcover Dynamics 2016-2020* from GeoVille,
and make a video.
The Image Cube tool visualizes a raster image in an interactive 3D view:
- Select the raster image.
- Specify the:
- Top Plane renderer. It can be any raster renderer known from QIGS, e.g. a Multiband
- color renderer that shows the true color bands
- Cube & Slice renderer. This must be a render that uses a single band only, e.g. a Singleband grey or Pseudocolor renderer. It will colorize the band-related pixel values of the 3D image cube and planes relating to the X, Y or Z slice.
- Press Load Data to (re)load and render the raster image values.
The 3D scene contains the following elements:
- Top Plane - a raster layer for spatial orientation
- Image Cube - a volumetric representation of the raster image, showing the raster bands on the z axis
- X Slice - a slice along the raster's X / column / sample dimension
- Y Slice - a slice along the raster's Y / row / line dimension
- Z Slice - a slice along the raster's Z / band dimension
- Box (Image) - a 3D bounding box along the maximum image extent
- Box (Subset) - a 3D bounding box to show the extent of the spatial subset that migh be used to focus on specific image areas
todo
The Raster Layer Styling panel allows to quickly select a RGB, Gray or Pseudocolor visualizations.
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It also supports the linking of the style between multiple raster layer.
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The Raster Source Band Properties Editor allows to view and edit band properties of GDAL raster sources, with special support for ENVI metadata.
The reclassify tool is a convenient graphical user interface for reclassifying classification rasters.
Specify the file you want to reclassify under :guilabel:`Input File`. Either use the dropdown menu to select one of the layers which are already loaded or use the |mActionAddRasterLayer| button to open the file selection dialog.
Under :guilabel:`Output Classification` you can specify the classification scheme of the output classification which will be created.
- You can import schemes from existing rasters or text files by clicking the |plus_green| button.
- Use the |classinfo_add| button to manually add classes.
- To remove entries select the respective rows and click the |classinfo_remove| button.
- So save a classification scheme select the desired classes (or use Crtl + A to select all) and click on the |mActionFileSaveAs| button.
- Likewise, you can copy and paste classes by selecting them and clicking the |mActionEditCopy| Copy Classes |mActionEditPaste| Paste Classes buttons.
- The table is sorted by the Label field in ascending order. The value in Label will become the pixel value of this class and can not be altered.
- Double-click into the Name field in order to edit the class name.
- Double-click into the Color field to pick a color.
Under :guilabel:`Class Mapping` you can reassign the old classes (From) to values of the new classification scheme (To)
Specify the output path for the reclassified image under :guilabel:`Output File`
Click :guilabel:`OK` to run the tool.
The Scatter Plot allows to plot two raster bands or vector fields against each other. The visualization of both, denstity and scatter is supported.
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See https://virtual-raster-builder.readthedocs.io/en/latest/