---
title: "Localized Settlements"
slug: "cyclone-3dr-localizedsettlementsc"
updated: 2026-09-07T11:51:46Z
published: 2026-09-07T11:51:46Z
canonical: "rcdocs.leica-geosystems.com/cyclone-3dr-localizedsettlementsc"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://rcdocs.leica-geosystems.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Localized Settlements

![CmdTankLocalizedSettlements.svg](https://cdn.document360.io/820e11db-8ed5-45ae-ac86-f6b77dcb2aa7/Images/Documentation/CmdTankLocalizedSettlements.svg)

This command allows you to compute localized settlements as defined in API 653 standard (Appendix B.2.5). The idea is to use a virtual ruler that rotates around its center in order to highlight localized depressions and bulges below it, on the tank bottom plate.

> [!TIP]
> ### Requirements
> 
> Select the bottom plate mesh and launch the command.

1. Define the **Ruler dimension.**
2. Define the **Tolerance:**
  1. if **Use API 653 tolerance** is checked, the tolerance is automatically computed using API653 recommendation (0.37xR, where R is the radius in feet of the circular inspected area)
  2. otherwise, another tolerance value can be freely defined
3. A default color map is proposed with 3 thresholds:

> [!WARNING]
> ### Notes
> 
> 1. The calculated inspection value is local. It means that for each point we only consider its neighbors within a maximum distance of half the ruler dimension.
> 2. Before launching this command you should use [Separate Shell](/v1/docs/cyclone-3dr-separateshellc) command to isolate the bottom plate of the tank.
  - green for points inside the tolerance
  - red for points above the tolerance and corresponding to bumps
  - blue for points above the tolerance and corresponding to hollows