Ellipse drawing tools

Dear all

I have a backscatter image and plan to get average from a specific area on the image. I showed the area with ‘ellipse drawing tools’ but I do not know how can I get average over this area in the ellipse? Is there any way by helping ‘ellipse drawing tools’ like cutting this ellipse?

Thank you.

The first thing yo digitize is normally called “geometry” and listed under the ‘vector data’ folder (unless you explicitly create a vector container first).
You can then use the statistics tool and limit the statistics to the ROI called “geometry” and hit “Refresh View” grafik :

Actively clipping the raster with a vector is described in several other topics: Subset from shapefile

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