Pilots siv aeronautical chartsraws li LCC vim tias txoj kab ncaj nraim kos rau ntawm Lambert conformal conic projection kwv yees ib txoj hauv kev zoo-lub voj voog nruab nrab ntawm qhov kawg rau qhov kev sib tw dav hlau. … Lub Ntiaj Teb Spatial Framework rau Is Nrias teb siv Datum WGS84 nrog LCC qhov projection thiab yog tus qauv NNRMS pom zoo.
Yuav ua li cas yog conic projection siv rau?
Conic projections yog siv rau midlatitude zones uas muaj kev taw qhia sab hnub tuaj-sab hnub poob. Ib qho nyuaj dua Conic projections hu rau lub ntiaj teb nto ntawm ob qhov chaw. Cov kev kwv yees no yog hu ua Secant projections thiab tau txhais los ntawm ob tus qauv sib luag.
Yuav ua li cas daim duab qhia qhov projection siv pilots?
Hnub no the Lambert Conformal Conic projection tau dhau los ua tus qauv projection rau daim duab loj loj (me me) hauv nruab nrab latitudes - xws li Asmeskas, Europe thiab Australia. Nws kuj tau dhau los tshwj xeeb nrog cov kab kos aeronautical xws li 1: 100, 000 scale World Aeronautical Charts daim ntawv qhia series.
Yuav ua li cas yog conic projection zoo rau kev qhia?
Nyob rau hauv lub conic projection lub graticule yog npaj mus rau lub cone tangent, los yog secant, mus rau lub ntiaj teb raws li ib tug me me lub voj voog (feem ntau yog ib nrab-latitude parallel). … Vim qhov teeb meem no, conic projections yog qhov zoo tshaj plaws rau daim duab qhia chaw ntawm nruab nrab-latitude thaj tsam, tshwj xeeb tshaj yog cov elongated nyob rau sab hnub tuaj-sab hnub poob.
Qhov projection yog pab tau raukev tsim kho huab cua?
Gnomonic projection yog qhov projection muaj txiaj ntsig rau kev txhais cov kev taw qhia rau kev taug kev hauv hiav txwv thiab huab cua, vim tias lub voj voog loj - txoj kev luv tshaj plaws ntawm cov ntsiab lus ntawm ib tus kheej - tau qhia ncaj kab. Yog li, txoj kev luv tshaj plaws ntawm ob qhov chaw yog ib txoj kab ncaj nraim.
