{"@type": "dcat:Dataset", "accessLevel": "public", "accrualPeriodicity": "irregular", "bureauCode": ["026:00"], "contactPoint": {"@type": "vcard:Contact", "fn": "Thomas Morgan", "hasEmail": "mailto:thomas.h.morgan@nasa.gov"}, "description": "Abstract ======== The Mercury Dual Imaging System (MDIS) consists of two cameras, a Wide Angle Camera (WAC) and a Narrow Angle Camera (NAC), mounted on a common pivot platform. This dataset includes Derived Data Records of geometric information for each image pixel, for the WAC and NAC. The are 5 image planes for information for each pixel: planetocentric longitude, positive east; planetocentric latitude; solar incidence angle; emission angle; and phase angle.", "identifier": "urn:nasa:pds:context_pds3:data_set:data_set.mess-e-v-h-mdis-6-ddr-geomdata-v1.0_qspj-i2t4", "issued": "2021-05-21", "keyword": ["mercury", "messenger"], "landingPage": "https://pds.nasa.gov/ds-view/pds/viewDataset.jsp?dsid=MESS-E%2FV%2FH-MDIS-6-DDR-GEOMDATA-V1.0", "license": "http://www.usa.gov/publicdomain/label/1.0/", "modified": "2025-07-17", "programCode": ["026:005"], "publisher": {"@type": "org:Organization", "name": "National Aeronautics and Space Administration"}, "references": ["https://pds.nasa.gov"], "theme": ["Earth Science"], "title": "MESSENGER MDIS DERIVED DATA RECORDS V1.0"}