---
title: "Spatial Anchors"
canonical: "https://stddev-01.web.app/technology/xr/xr-spatial-interaction-input/spatial-understanding/spatial-anchors"
date_published: "2023-10-11T20:22:06+00:00"
date_modified: "2026-10-12T12:12:17+00:00"
tokens: 866
content-signal: "ai-train=yes, search=yes, ai-input=yes"
---

> Documentation Index  
> Fetch the complete documentation index at: https://stddev-01.web.app/llms.txt  
> Use this file to discover all available pages before exploring further.

**Sector:** Spatial Understanding

# Spatial Anchors

### Persistent coordinate tracking to lock virtual objects reliably into the physical world.

**Locking digital content to exact physical coordinates provides spatial consistency inside SCORE XR.** By establishing localized spatial anchors, STD.DEV ensures that virtual models remain fixed in physical rooms across multiple sessions. This builds persistent spatial layouts that do not drift.

**Persistent Local Anchors**

Locks digital structures to precise real-world coordinates, maintaining position accuracy even after restarting sessions.

**Automatic Session Recovery**

Restores virtual layouts at their exact coordinates upon return, eliminating setup time for returning users.

**Continuous Drift Correction**

Compares tracking data against physical coordinates, correcting alignment automatically to prevent digital models from drifting.

**From persistent galleries to localized installations,** spatial anchors guarantee coordinate stability. STD.DEV optimizes anchor lookup modules to provide reliable spatial experiences in standard web browsers.

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### Frequently Asked Questions

#### Q: How do spatial anchors ensure digital content stays in place within SCORE XR?

Spatial anchors ensure digital content stays in place by locking it to exact physical coordinates, which establishes localized spatial anchors that keep virtual models fixed in physical rooms across multiple sessions, building persistent spatial layouts that do not drift.

#### Q: What is the benefit of using spatial anchors for returning users?

Spatial anchors benefit returning users by restoring virtual layouts at their exact coordinates upon return, thus eliminating setup time.

#### Q: How does SCORE XR prevent digital models from drifting out of alignment?

SCORE XR prevents digital models from drifting by implementing continuous drift correction, which compares tracking data against physical coordinates and automatically corrects alignment.

#### Q: What is the role of STD.DEV in relation to spatial anchors?

STD.DEV optimizes anchor lookup modules to provide reliable spatial experiences in standard web browsers.

#### Q: What guarantee do spatial anchors provide for coordinate stability?

Spatial anchors guarantee coordinate stability for applications ranging from persistent galleries to localized installations.

#### Q: How do localized spatial anchors contribute to persistent spatial layouts?

Localized spatial anchors contribute to persistent spatial layouts by ensuring that virtual models remain fixed in physical rooms across multiple sessions without drifting.

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