| Description: The unit_id attribute provides a character or character string which serves as an abbreviation for, or symbol representing, a unit of measure. |
| Namespace Id: pds | Steward: cart | Class Name: Units_of_Pixel_Resolution_Map | 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: None |
| Status: Active | Nillable: false | Pattern: None |
| Permissible Value(s) | Value | Value Meaning |
| | deg/pixel | deg/pixel is an abbreviation for degree per pixel, which is a unit of map pixel resolution (“deg” is interpreted as a surface distance measured in degrees of latitude or longitude). |
| | km/pixel | km/pixel is an abbreviation for kilometer per pixel, which is a unit of map pixel resolution (1 km = 10**3 m = one thousand meters). |
| | m/pixel | m/pixel is an abbreviation for meter per pixel, which is a unit of map pixel resolution (meter is an SI base unit of length). |
| | mm/pixel | mm/pixel is an abbreviation for millimeter per pixel, which is a unit of map pixel resolution (10**3 mm = one thousand millimeters = 1 meter). |