| get_grayval | Access the gray values of an image object. |
| get_image_pointer1 | Access the pointer of a channel. |
| get_image_pointer1_rect | Access to the image data pointer and the image data inside the smallest rectangle of the domain of the input image. |
| get_image_pointer3 | Access the pointers of a colored image. |
| get_image_time | Request time at which the image was created. |