Imports are a convenient way to use non-Icovia images for the purpose of tracing. But once the plan in the image has been traced, it is usually necessary to hide the image from view to give better visibility to the actual plan. Use the Show Import to toggle the image visibility on/off.
This is an image of a floor plan that was generated outside of Icovia. This plan was imported and re-scaled to reflect real-world size.
This is an Icovia plan that was generated from an imported image. The image is still in the plan, but the visibility was turned off, by use of the Show Imports command.