View source for Wp/prg/Geōgrafiska koōrdinati sistēman

[[File:WorldMapLongLat-eq-circles-tropics-non.png|300px|thumb|Zemmis wīrsawisku šlaitinna ēn [[Wp/prg/Geogrāfiskas plattus|geogrāfiskan plattun]] be [[Wp/prg/Geogrāfiskas ilgas|ilgan]]]]
'''Geōgrafiska koōrdinati sistēman''' - koōrdinati sistēman, sta ast tērpau per indicijja stesse zemmins deīktans. Šin tērpaui trīns nummerins, pabilāi koōrdinatins. Jāuku sfēriska koōrdinati sistēman ast tērpau.
Geōgrafiskas koōrdinatis ast tāliskwas en grādai, ezze zemmis ekwatōran (geogrāfiskas plattus) be pirman ēntrewingin (geogrāfiskas ilgas).

Zemē ni ast sfēra, adder zūrgiskan elipsōidan stesse niregulārai fōrmin. Tīt, kāi ebzentlitun tìkriskan būwin, prawerru trīs koōrdinatis.
Adder, ik tū kwaitēi ebzentlitun ainunts stesse zemmis deīktans, prei perwaidīnsnan, mīstan, tū mazzi tērpaus dwāi koōrdinatins: pirman kontrōlitun geogrāfiskan plattun, be āntran ast kontrōlitun geogrāfiskan ilgan.
[[File:Geographic coordinates sphere.svg|right|thumb|250px|[[Wp/prg/Geogrāfiskas plattus|Geogrāfiskas plattus]] (φ) be [[Wp/prg/Geogrāfiskas ilgas|ilgan]] (λ)]]
== Etāliskwas sirzdau parallalins be meridiānis ==
=== Etāliskwas sirzdau parallalins ===
Ebrekkenautun etāliskwans sirzdau dwāi parralalins ast:
::<math>\frac{\pi}{180^\circ}M(\phi);\,\!</math>

{| class="wikitable" border="1"
|+ '''Etāliskwas sirzdau parallalai prei kitawīdai platwāi'''
!Plattus||Z-D strīla<br /> <math>M\;\!</math>||Grāds||Minūti||Sekūndi
|- style="text-align:right;"
| 0° || 6335,44&nbsp;km|| 110,574&nbsp;km|| 1842,9 m|| 30,715 m
|- style="text-align:right;"
| 15° || 6339,70&nbsp;km|| 110,649&nbsp;km|| 1844,15 m|| 30,735 m
|- style="text-align:right;"
| 30° || 6351,38&nbsp;km|| 110,852&nbsp;km|| 1847,53 m|| 30,792 m
|- style="text-align:right;"
| 45° || 6367,38&nbsp;km|| 111,132&nbsp;km|| 1852,2 m|| 30,87 m
|- style="text-align:right;"
| 60° || 6383,45&nbsp;km|| 111,412&nbsp;km|| 1857,01 m|| 30,95 m
|- style="text-align:right;"
| 75° || 6395,26&nbsp;km|| 111,618&nbsp;km|| 1860,3 m|| 31,005 m
|- style="text-align:right;"
| 90° || 6399,59&nbsp;km|| 111,694&nbsp;km|| 1861,566 m|| 31,026 m
|}

=== Etāliskwas sirzdau meridiānis ===
Ebrekkenautun etāliskwans sirzdau dwāi meridiānis ast palīgun:
::<math>\frac{\pi}{180^\circ}\cos(\phi)N(\phi);\,\!</math>

{| class="wikitable" border="1"
|+ '''Etāliskwas sirzdau meridiānis prei kitawīdai platwāi'''
|-
!width="100"|Plattus
!width="100"|Grāds
!width="100"|Minūti
!width="100"|Sekūndi
!width="100"|±0,0001°
|-
|60°||align="center" | 55,65 km||align="center" | 0,927km||align="center" | 15,42 m ||align="center" | 5,56m
|-
|57°||align="center" | 60,527 km||align="center" | 1,008km||align="center" | 16,81 m||align="center" | 6,05m
|-
|45°||align="center" | 78,7 km||align="center" | 1,31km||align="center" | 21,86 m||align="center" | 7,87m
|-
|30°||align="center" | 96,39 km||align="center" | 1,61km||align="center" | 26,77 m||align="center" | 9,63m
|-
|0°||align="center" | 111,3 km ||align="center" | 1,855km ||align="center" | 30,92 m || align="center" | 11,13m
|}

{| class="wikitable" border="1"
!Plattus||R-A strīla<br /><math>N\;\!</math>
|- style="text-align:right;"
| 0° || 6378,14&nbsp;km
|- style="text-align:right;"
| 15° || 6379,57&nbsp;km
|- style="text-align:right;"
| 30° || 6383,48&nbsp;km
|- style="text-align:right;"
| 45° || 6388,84&nbsp;km
|- style="text-align:right;"
| 60° || 6394,21&nbsp;km
|- style="text-align:right;"
| 75° || 6398,15&nbsp;km
|- style="text-align:right;"
| 90° || 6399,59&nbsp;km
|}

[[Category:Wp/prg]]
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{{INTERWIKI|Q22664}}