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Eastings and northings pib qhov twg?

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Eastings and northings pib qhov twg?
Eastings and northings pib qhov twg?

Video: Eastings and northings pib qhov twg?

Video: Eastings and northings pib qhov twg?
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Anonim

Eastings sau ua ntej Northings. Yog li hauv 6 tus lej daim phiaj siv 123456, Easting tivthaiv yog 123 thiab Northing tivthaiv yog 456, piv txwv li yog tias chav tsev me tshaj plaws yog 100 metres, nws hais txog qhov taw qhia 12.3 km sab hnub tuaj thiab 45.6 km qaum teb los ntawm keeb kwm.

Puas yog Eastings lossis Northings ua ntej?

Thaum muab plaub daim phiaj siv, koj yuav tsum muab tus lej sab hnub tuaj ua ntej thiab tus lej qaum teb thib ob, zoo li thaum muab kev nyeem daim duab hauv tsev kawm ntawv, qhov twg koj muab x ua haujlwm ua ntej ua raws li y.

UTM kev tswj hwm Eastings thiab Northings pib qhov twg?

UTM daim phiaj. USGS maps qhia UTM (Universal Transverse Mercator) daim phiaj. Daim phiaj duab plaub no muaj kev tswj xyuas hauv metres, hauv cuav easting los ntawm nruab nrab meridian ntawm ib cheeb tsam 6 ° (tus lej pib nrog 1 ntawm 177 ° W thiab mus rau sab hnub tuaj) thiab nyob rau sab qaum teb.

Eastings nyob qhov twg hauv daim duab qhia?

Ib daim phiaj ntawm squares pab tus nyeem ntawv daim ntawv qhia nrhiav chaw. Cov kab ntsug hu ua eastings. Lawv raug suav - cov lej nce mus rau sab hnub tuaj. Cov kab kab rov tav hu ua northings raws li cov lej nce nyob rau sab qaum teb.

ntsuas qaum teb nyob qhov twg?

Kev ua haujlwm sab hnub tuaj ntawm qhov taw tes yog ntsuas los ntawm cuav keeb kwm 500000 meters mus rau sab hnub poob ntawm lub hauv paus meridian ntawm thaj tsam UTM.

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