Ib daim phiaj siv hluav taws xob, tseem hu ua grid reference lossis grid system, yog thaj chaw sib koom ua ke uas txhais cov chaw nyob hauv daim duab qhia chaw siv Cartesian kev tswj hwm raws li ib qho kev qhia tshwj xeeb. Daim phiaj kab ntawm daim duab qhia qhia txog lub hauv paus kev tswj hwm.
Dab tsi yog Northing thiab Easting coordinates?
Easting thiab northing yog thaj chaw Cartesian ua haujlwm rau ib qho taw tes. Easting is the eastward- Measured distance (los yog x-coordinate) and northing is the northward-measured distance (los yog y-coordinate) … Easting and northing coordinates are common measure in meters from cov axes ntawm ib co kab rov tav datum.
Puas yog sab hnub tuaj thiab sab qaum teb zoo ib yam li longitude thiab latitude?
"Easting and northing" yog tus qauv npe rau x thiab y kev tswj hwm hauv txhua qhov projected(piv txwv li phiaj xwm) kev tswj hwm. Tsis tas li ntawd, "latitude thiab longitude" yog cov npe qauv rau kev tswj xyuas hauv ib qho kev tsis pom zoo (piv txwv li thaj chaw) kev sib koom tes.
Koj nyeem sab hnub tuaj thiab sab qaum teb li cas?
Cov lej hla ntawm daim ntawv qhia ntawm sab laug mus rau sab xis yog hu ua eastings, thiab nce mus rau sab hnub tuaj, thiab cov lej nce hauv daim ntawv qhia hauv qab mus rau sab saum toj yog hu ua qaum teb, vim lawv nce mus rau sab qaum teb.
Dab tsi yog qhov txawv ntawm kab sab hnub tuaj thiab sab qaum teb?
Cov ntsiab lus sab hnub tuaj thiab sab qaum teb yog thaj chaw Cartesian ua haujlwm rau qhov taw tes. Easting yog hais txog sab hnub tuaj ntsuas qhov deb (los yog x-coordinate), hos northing yog hais txog rau sab qaum teb- ntsuas nrug (orthe y-coordinate).
