> For the complete documentation index, see [llms.txt](https://help.arkance-systems.com/railway-tools/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.arkance-systems.com/railway-tools/prirucka/podelny-profil/datove-prouzky/vodorovny-posun.md).

# Vodorovný posun

Před použitím této funkce je nutné k trase nadefinovat skupinu COGO bodů s polohou stávající koleje. Vodorovný posun je následně dopočítán vzhledem k těmto COGO bodům.

{% content-ref url="/pages/5BgVdwXx69qs0g9bbJ3y" %}
[Definice bodů pro posun a popis koleje](/railway-tools/prirucka/dalsi-nastroje/definice-bodu-pro-posun-a-popis-koleje.md)
{% endcontent-ref %}

Po spuštění funkce <img src="/files/hOIkCn37w828WZxNf63T" alt="" data-size="line"> vyberte zobrazení podélného profilu, do kterého chcete informace o vodorovném posunu vykreslit. Datový proužek obsahuje kolmou vzdálenost COGO bodu od trasy v milimetrech a označení strany posunu (L/P).

<figure><img src="/files/UKtG09vkMk5u2U1L0R7w" alt="" width="563"><figcaption><p>Převýšení a posun</p></figcaption></figure>

{% hint style="info" %}
Poloha COGO bodů vzhledem k trase je určena v okamžiku spuštění funkce Definice bodů pro posun a popis koleje. Pokud dojde například ke změně geometrie trasy nebo změně staničení trasy, pak je nutné provést Definici bodů pro posun znovu.
{% endhint %}


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