| Description: This identifies the type of mask file. Two enumerations are given, but these can be expanded if needed. |
| Namespace Id: img | Steward: img | Class Name: Image_Mask_File | Type: ASCII_Short_String_Collapsed |
| Minimum Value: None | Maximum Value: None | Minimum Characters: 1 | Maximum Characters: 255 |
| Unit of Measure Type: None | Default Unit Id: None | Attribute Concept: None | Conceptual Domain: SHORT_STRING |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | description | A mask_type listed as "description" indicates that the file, e.g., a text or xml based file, describes the mask in some other way depending on the processing_algorithm. |
| | image | Most masks are of "image" type, this means it is an image of the same size as the current image containing mask information at each pixel. |