> For the complete documentation index, see [llms.txt](https://multiset.gitbook.io/multiset/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://multiset.gitbook.io/multiset/basics/third-party-scans/leica-scans.md).

# Leica Scans

MultiSet AI’s Visual Positioning System (VPS) accepts **structured `.e57` point-cloud files exported from Leica’s Cyclone REGISTER 360 PLUS**. By pairing Leica’s high-fidelity LiDAR capture with MultiSet’s VPS you can turn large venues into centimeter-accurate AR canvases in hours instead of days. The guide below walks you through recommended devices, capture workflow, export settings and the upload process to the MultiSet Developer Portal.

**Supported Devices**

* **Leica RTC360**
* **Leica BLK360 G2**
* **Leica BLK2GO / BLK2FLY**

> MultiSet parses the panoramic images and intrinsic calibration blocks embedded in a **structured E57**. Unstructured “raw” exports will be rejected during processing.

### Scanning Workflow

#### 1 Prerequisites

| Item                 | Notes                                                                                       |
| -------------------- | ------------------------------------------------------------------------------------------- |
| **Scanner & power**  | Fully charge two batteries; firmware ≥ 2023.1 on RTC360/BLK360.                             |
| **Mobile app**       | Leica **Cyclone FIELD 360** on iOS/Android for live QA and alignment.                       |
| **Desktop software** | Leica **Cyclone REGISTER 360 PLUS** 2023.1 or later (adds one-click structured E57 export). |

#### 2 Required Equipment

* **Sturdy tripod** (3⁄8-16 UNC), quick-release clamp.
* **Target spheres / checkerboards** if survey-grade alignment is needed.
* **Tablet/phone** with FIELD 360 (Wi-Fi 6 preferred for RTC360’s onboard hotspot).[Google Play](https://play.google.com/store/apps/details?hl=en_US\&id=com.leicageosystems.cyclone.field360\&utm_source=chatgpt.com)

#### 3 Prepare the Environment

1. **Declutter walkways** and remove moving objects if possible.
2. **Set low-resolution LiDAR** when AR is the only deliverable; high-res mode multiplies file size with no VPS benefit.
3. **Turn off HDR** on BLK360; use LDR panoramas to avoid over-saturated textures.

#### 4 Capture the Space

* **RTC360 / BLK360** – place the scanner roughly every 2–3 m; 30 % overlap between setups.
* **BLK2GO** – maintain slow walking speed (< 1 m/s) and follow loop-closure paths.
* Monitor FIELD 360: green spheres = complete scan, yellow = alignment pending.

#### 5 Register & Clean

1. Import data into **Cyclone REGISTER 360 PLUS**.
2. Run **Auto-Cloud > Cloud** for coarse alignment; refine with target-based or visual alignment as needed
3. Crop excess ceiling sky boxes or outdoor noise for faster VPS processing.

#### 6 Export Structured E57

* Choose **“Export > E57 (Structured)”** and tick **Include Panoramas**.
* Leave “Compatibility Mode” **unchecked** unless another software requires it; it downsamples points.

> Expect \~1 GB per 1 k sq ft at low-res settings. The MultiSet portal currently accepts files up to 20 **GB for free plan**.

***

### Uploading to MultiSet

* Create Map → Select Leica → Upload.
* Drag-and-drop the zip of E57 file.
* Please allow up to one hour to receive an email notification once your scan is complete

<figure><img src="/files/SgOCkIoRXMV5JGm6QMXd" alt=""><figcaption></figcaption></figure>

### Best Practices

| Do                                                                                               | Avoid                                                                    |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------ |
| Keep the scanner out of mirrors & windows.                                                       | Walking within 2 m of shiny cars or glass facades (causes ghost points). |
| Use **low-res LiDAR + LDR pano** for VPS-only jobs.                                              | High-res HDR if final AR textures aren’t required (adds 3–4× size).      |
| Validate overlap in FIELD 360 before leaving the site.                                           | Expecting Register 360 to fix large gaps automatically.                  |
| Export **one file per level** for multi-story buildings, then combine with MultiSet Merge tools. | A single 40 GB monolithic export.                                        |


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