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1、rd3INTERNATIONALCONFERENCEONCARTOGRAPHYANDGIS15-20June,2010,Nessebar,BulgariaTHEQUALITATIVEANALYZEOFTHECARTOGRAPHICALPROJECTIONSUSEDINROMANIAMihaiHerbei*OctavianHerbei**CosminPopescu***Abstract:Thebasicdocumentsmadeafterthegeodesicandtopographicalmeasurementsforaccomp
2、lishingdifferentprojectsarethetopographicalplansandmaps.Theaccomplishmentofthesedocumentsmustrepresentverygoodoftheterrestrialareawithrepresentativeelements.Usingthecartographicprojectionsthatmustbemadedependingonthequalityoftherepresentationsothattheplansandmaps,whic
3、hareobtained,shouldbemadewithhighprecisionandhighqualitymakesthesedocuments.Theelementsthataredeformedareasfollows:angles,distancesandareas.Keywords:GaussKruger,UTM,Stereographic,projection*Lect.Ph.D.Eng.BanatUniversityofAgriculturalSciencesandVeterinaryMedicineTimiso
4、ara-FacultyofAgriculture,Romania,mihai_herbei@yahoo.com**Prof.Ph.D.Eng.UniversityofPetrosani-FacultyofMining,Romania***Assoc.Prof.Ph.D.Eng.BanatUniversityofAgriculturalSciencesandVeterinaryMedicineTimisoara-FacultyofAgriculture,Romania1.INTRODUCTIONTochooseaprojection
5、systemismadedependingonthesizeandshapeoftheareathatshouldberepresented.So,forthemidterritories,whoseshapeisalmostroundwecanusethestereographicprojections,andforthebigones,ascontinents,wecanusethecylindricalandtransversalprojectionGauss-Kruger.Themilitaryandengineering
6、needsaresatisfiedbytheconformprojections,andforsurveyingneedswecanusetheequivalentprojections,andforthemaritimeandairnavigationitisusedtheMercatorprojection.InRomaniatherewereusedalongthetimethefollowingprojectionsystems:ConicprojectionBonne,ontheClarkeellipsoid,betwe
7、en1916-1930,StereographicprojectionontheHayfordellipsoid,between930-1951,Gauss-Krugerprojection,ontheKrasowskyellipsoid,between1951-1970,Stereographicprojection1970,ontheKrasowskyellipsoid,startingwith1971.ForthemilitaryapplicationsinRomaniaitisusedtheUTMprojection(Un
8、iversalTransverseMercator).2.CYLINDRICALTRANSVERSALGAUSS–KRUGERPROJECTION2.1.ThegeometricelementsofthisrepresentationThispro