Returns true if this is a 3-slice HSB stack. Returns true if this is a 3-slice RGB stack. Assigns a new color model to this stack. Updates this stack so its attributes, such as min and max displayed value, are the same as 'ip'. Adds an image to the end of the stack.
Short images are always unsigned.
Adds the image in 'ip' to the end of the stack. Adds the slice to the beginning of the stack if 'n' is zero. Updates this stack so its attributes, such as min and max displayed value, are the same as 'ip'. Returns the stack as an array of images. Returns the number of slices in this stack.