I'm trying to run supervised classifications and need all ROIs to be the same size. I'd like to capture the ROIs in ArcMap and so far can only find a tool which allows you to draw your ROIs by clicking and dragging to create polygons.
In ENVI and Erdas Imagine, there is a tool for capturing ROIs to ensure they are all the same size. For example if you want each ROI to be 9 pixels, when you're creating signature files, the cursor is 3x3 pixels. Then where you click on your raster, the 9 pixels are automatically captured without the need to draw a polygon. I can't remember what it's called as it's been a while since I used it.
After capturing the ROIs, I plan to export them as a tiff to use in EnMap
Does anyone know if such a tool exists in ArcMap?