Setup channels of the multispectral raster

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If the project is opened with a multispectral raster, then becomes available the menu item "View" - "Setup channels of the multispectral raster", that calls the dialog "Setup channels". With its help the channels are set up, by which the multispectral raster in a map window is displayed.  

 

 

 

Besides displaying the raster, these channels are used at the calculation of brightness, as the average of the red, blue and green component of pixel's color. Brightness is displayed in the status bar and is used at a step of shadows finding at recognition of the polygon objects.