After an image has been attached to a drawing, you can modify the raster image's properties and its boundary.
All images have an image boundary. When you attach an image to a drawing, the image boundary inherits the current property settings, including color, layer, linetype, and linetype scale. If the image is a bitonal image, the image color and boundary color are the same.
As with other AutoCAD objects, you can modify images and their boundary properties. For example, you can: