This dictionary specifies the standard values for ImagePositionStatus, specified in the Image geopositioning metadata GML 3.2 application schema. This ImagePositionStatus is the status of an image position. In addition, this dictionary specifies definition URNs in the "ogc" URN namespace for these status values. ImagePositionStatus Contains estimated position. estimated Contains position measured in image, not yet checked. measured Contains validated (or checked) measured position. validated Contains position automatically detected as having a blunder, and removed from use in later triangulation computation iterations. removed Contains position considered not valid for some reason (but object not yet deleted). invalid