Regions of Interest User Preferences

This brings up the ROI Preferences dialog:

• Your preferred colours for displaying ROIs, when they are in unselected, selected or deleted states.
• Your preferred colours for displaying the handles on an ROI.
• Your preferred colour for displaying ROI annotation on the image.
• The palette of colours used to display coloured ROIs.
• The font size (measured in screen pixels) for Text ROIs and annotation.
• Whether you want ROI statistics to be shown automatically on startup.
• Whether you want to the vertices of Straight Line, Curved Line and Irregular ROIs to snap to the corners of pixels or to the centres of pixels when pixel snap is turned on.
• Whether you want to display extended ROI statistics on startup.
• The eraser pen size on startup.
• The mask action on startup.
• The erosion/dilation distance for morphological operations, as a percentage of the pixel size.
• The number of ROI editing operations that can be undone.
• Whether you prefer to save all your region-of-interest files in one place, or to save them alongside the individual images. If you select , the the default folder to save your ROIs will be the same as the folder containing the image you currently have loaded. If you un-select this check-box, the folder for saving ROIs will remain unchanged when you load a new image.