Qhov twg los thawj sab hnub tuaj lossis sab qaum teb?

Cov txheej txheem:

Qhov twg los thawj sab hnub tuaj lossis sab qaum teb?
Qhov twg los thawj sab hnub tuaj lossis sab qaum teb?
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.

Koj puas nyeem Eastings thiab Northings?

Pib-daim daim phiaj siv

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

Eastings thiab Northings ntsuas ntawm qhov twg?

Eastings yog referenced los ntawm lub hauv paus meridian ntawm txhua cheeb tsam, & qaum teb los ntawm txoj kab nruab nrab, ob qho tib si hauv metres. Txhawm rau kom tsis txhob muaj tus lej tsis zoo, 'false eastings' thiab 'false northings' yog siv: Eastings yog ntsuas los ntawm 500,000 meters sab hnub poob ntawm lub hauv paus meridian.

Yog Eastings ntsug lossis kab rov tav?

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.

Dab tsi yog kev dag sab hnub tuaj?

False easting is a linear value apply to the origin of the x coordinates. False northing yog tus nqi linear siv rau lub hauv paus ntawm y coordinates. False easting thiabNorthing qhov tseem ceeb feem ntau yog siv los xyuas kom meej tias tag nrho cov txiaj ntsig x thiab y yog qhov zoo.

Pom zoo: