topic Re: Understanding Geographic Coordinate Systems and Cell Size in Data Management Questions https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262023#M14992 <HTML><HEAD></HEAD><BODY><SPAN>Hi Avotas, </SPAN><BR /><BR /><SPAN>It's in the same units as the coordinate system: decimal degrees. </SPAN><BR /><BR /><SPAN>Melita</SPAN></BODY></HTML> Mon, 20 Jun 2011 15:46:24 GMT MelitaKennedy 2011-06-20T15:46:24Z Understanding Geographic Coordinate Systems and Cell Size https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262022#M14991 <HTML><HEAD></HEAD><BODY><SPAN>Hey,</SPAN><BR /><BR /><SPAN>Can anyone tell me a way to figure out what the unit of measure the cell value (ModelPixelScaleTag) represents? The enclosed metadata is for approximately 1/32 of the planet.</SPAN><BR /><BR /><PRE class="lia-code-sample line-numbers language-none">Metadata: Version: 1 &nbsp;&nbsp; Key_Revision: 1.0 &nbsp;&nbsp; Tagged_Information: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ModelTiepointTag (2,3): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; -90&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 45&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ModelPixelScaleTag (1,3): &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0.002083333333333330.002083333333333330&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End_Of_Tags. &nbsp;&nbsp; Keyed_Information: &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GTModelTypeGeoKey (Short,1): ModelTypeGeographic &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GTRasterTypeGeoKey (Short,1): RasterPixelIsArea &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GeographicTypeGeoKey (Short,1): GCS_WGS_84 &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GeogCitationGeoKey (Ascii,7): "WGS 84" &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GeogAngularUnitsGeoKey (Short,1): Angular_Degree &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; End_Of_Keys. &nbsp;&nbsp; End_Of_Geotiff. GCS: 4326/WGS 84 Datum: 6326/World Geodetic System 1984 Ellipsoid: 7030/WGS 84 (6378137.00,6356752.31) Prime Meridian: 8901/Greenwich (0.000000/&nbsp; 0d 0' 0.00"E) PROJ.4 Definition: +proj=latlong +ellps=WGS84 +to_meter=1.0000000000 Corner Coordinates: Upper Left&nbsp;&nbsp;&nbsp; (-90.0000000,45.0000000) Lower Left&nbsp;&nbsp;&nbsp; (-90.0000000,0.0000000) Upper Right&nbsp;&nbsp; (-45.0000000,45.0000000) Lower Right&nbsp;&nbsp; (-45.0000000,0.0000000) Center&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; (-67.5000000,22.5000000)</PRE><BR /><BR /><BR /><SPAN>Thanks,</SPAN><BR /><BR /><SPAN>Avotas</SPAN></BODY></HTML> Sat, 11 Dec 2021 12:50:49 GMT https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262022#M14991 BradNace 2021-12-11T12:50:49Z Re: Understanding Geographic Coordinate Systems and Cell Size https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262023#M14992 <HTML><HEAD></HEAD><BODY><SPAN>Hi Avotas, </SPAN><BR /><BR /><SPAN>It's in the same units as the coordinate system: decimal degrees. </SPAN><BR /><BR /><SPAN>Melita</SPAN></BODY></HTML> Mon, 20 Jun 2011 15:46:24 GMT https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262023#M14992 MelitaKennedy 2011-06-20T15:46:24Z Re: Understanding Geographic Coordinate Systems and Cell Size https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262024#M14993 <HTML><HEAD></HEAD><BODY><SPAN>Thanks!</SPAN><BR /><BR /><SPAN>-Avotas</SPAN></BODY></HTML> Mon, 20 Jun 2011 16:33:18 GMT https://community.esri.com/t5/data-management-questions/understanding-geographic-coordinate-systems-and/m-p/262024#M14993 BradNace 2011-06-20T16:33:18Z