Qhov kev kwv yees tsis txaus ntseeg tau siv tshwj xeeb rau cov kab kos hnub qub kom txog rau thaum xyoo 1507, thaum W alther Ludd ntawm St. Dié, Lorrainetsim thawj qhov piv txwv ntawm qhov kev kwv yees ntawm lub ntiaj teb saum npoo. Nws cov koob meej hauv daim duab kos tau nce ntxiv tom qab Rumold Mercator siv nws qhov equatorial rau nws 1595 atlas.
Vim li cas thiaj hu ua stereographic projection?
Tsis zoo li crystallography, sab qab teb hemisphere yog siv los ntawm sab qaum teb (vim cov yam ntxwv geological hauv nqe lus nug nyob hauv qab lub ntiaj teb saum npoo). Nyob rau hauv cov ntsiab lus no lub stereographic projection feem ntau hu ua tus sib npaug-angle qis-hemisphere projection
Dab tsi yog spherical projection?
Ib qhov kev kwv yees qhia qhov twg cov kab lossis dav hlau sib tshuam ntawm qhov chaw ntawm ib qho (hemi)sphere, muab cov kab / dav hlau tseem hla dhau qhov nruab nrab ntawm (hemi) sphere.
Yuav ua li cas yog txoj hauv kev stereographic?
Stereographic projection yog ib txoj hauv kev siv hauv crystallography thiab cov qauv geology los piav txog cov kev sib raug zoo ntawm cov ntsej muag siv lead ua thiab cov qauv geology, feem. … Peb taw qhia cov siv lead ua xws li tus ncej mus rau (001) lub ntsej muag (c axis) yog ntsug thiab taw qhia rau sab qaum teb ntawm tus kheej.
Dab tsi yog qhov kev ua yeeb yam stereographic khaws cia?
Stereographic projection preserves circles and angles Ntawd yog, daim duab ntawm lub voj voog ntawm tus kheej yog lub voj voog hauv lub dav hlau thiab lub kaum sab xis ntawm ob kab ntawm tus kheej yog tib yam raws li lub kaum sab xis ntawm lawv cov duab hauv lub dav hlau. Qhov projection uas khaws cov kaum sab xis yog hu ua qhov kev pom zoo.