Image Layer

When you insert an image, it is inserted onto the current AutoCAD layer. However, you can move the image to another layer. The following layer properties allow you to control image display, image editing, and image saving.

Layer Properties	Function
On/Off	Turns images on and off. Images that are off are still regenerated. When a layer is off, you can save an image to the layer, but you cannot edit an image on that layer.
Thaw/Freeze	Saves the image. You cannot display or edit an image on a frozen layer. The system does not update a frozen layer.
Unlocked/Locked	Displays and saves an image on a locked layer. You cannot edit a locked layer.
Color	A bitonal image can use the color of the layer. For more information, see Foreground Color of a Bitonal Image.

Tip: If you have multiple images on top of each other, and you do not want to rub, crop, or mask all of the images, you can lock a layer containing an image you do not want modified.