Qhov zoo thiab qhov tsis zoo ntawm Mercator projection yog dab tsi?
Qhov zoo thiab qhov tsis zoo ntawm Mercator projection yog dab tsi?

Video: Qhov zoo thiab qhov tsis zoo ntawm Mercator projection yog dab tsi?

Video: Qhov zoo thiab qhov tsis zoo ntawm Mercator projection yog dab tsi?
Video: Caub Fab #2: Qhov Zoo thiab Qhov Tsis Zoo 2024, Kaum ib hlis
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Qhov tsis zoo : Mercator projection distorts qhov loj ntawm cov khoom raws li lub latitude nce los ntawm Equator mus rau tus ncej, qhov twg lub teev yuav infinite. Yog li, piv txwv li, Greenland thiab Antarctica tshwm sim ntau dua qhov txheeb ze rau thaj av loj nyob ze ntawm txoj kab nruab nrab dua li qhov tseeb.

Xav txog qhov no, dab tsi yog qhov tsis zoo ntawm Mercator projection?

Ib qhov tsis zoo ntawm kev siv lub Mercator projection yog tias nws cuam tshuam qhov loj ntawm cov cheeb tsam, tshwj xeeb tshaj yog thaum koj mus ze rau North thiab South Ncej. Qhov no ua rau qhov tsis sib haum xeeb ze rau cov ncej loj heev tab sis nws thiaj li poob mus rau theem nrab.

Kuj Paub, qhov zoo thiab qhov tsis zoo ntawm lub ntiaj teb yog dab tsi? Cov qhov zoo ntawm ntiaj teb yog tias nws txhawb kev pom qhov tseeb. Cov tub ntxhais kawm yuav tsum siv a ntiaj teb nquag yog lawv yuav tsim daim ntawv qhia kev puas siab puas ntsws. Cov qhov zoo ntawm daim ntawv qhia ntiaj teb yog tias koj tuaj yeem pom tag nrho lub ntiaj teb ib zaug. Cov qhov tsis zoo yog tias ntiaj teb daim ntawv qhia distort duab, qhov loj me, nrug, thiab kev taw qhia.

Tsuas yog li ntawd, qhov zoo thiab qhov tsis zoo ntawm Robinson projection yog dab tsi?

Cov kws tshawb fawb siv Equal-Area maps los piv cov av loj ntawm lub ntiaj teb. Qhov zoo : Cov Robinson daim ntawv qhia qhov projection qhia tau hais tias feem ntau nyob deb, qhov ntau thiab tsawg thiab cov duab kom raug. Qhov tsis zoo : Cov Robinson map muaj qee distortion nyob ib ncig ntawm tus ncej thiab ntug.

Dab tsi yog qhov txawv ntawm Mercator thiab Robinson projection?

Qhov no yog cylindrical qhov projection , nrog rau Equator raws li nws Standard Parallel. Cov txawv nrog qhov no qhov projection yog tias cov kab latitude thiab longitude sib tshuam los ua cov squares tsis tu ncua. Los ntawm txoj kev kev sib piv , hauv Mercator thiab Robinson projections lawv tsim irregularly loj squares.

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