Ellipse drawing tools


#1

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.


#2

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