PAGE / DATA — LOCAHUN 3D —

PAGE 02 About the data

— ABOUT THE DATA —

About the Data

How Locahun 3D captures the 3D data it works with,
and the Locahun 3D application that runs inside Chrome.

DATA — INDEX P. 01 / 05

CHAPTER 01 — WHAT IS 3DGS —

CH. 01 What is 3D Gaussian Splatting?

A new 3D representation that brings
a space back exactly as it is.

3D Gaussian Splatting (3DGS) is a technique that
densely reconstructs real space from multi-viewpoint photos and video.

01 / PHOTOREAL

Optical Photorealism

Translucent objects, reflections, and subtle lighting changes
that were hard to capture with conventional mesh + texture
are preserved just as they looked at the time of capture.

02 / REALTIME

Real-Time Rendering

A high-speed rendering method close to rasterization lets you
move the viewpoint without the heavy inference of NeRF.
It ties directly to the speed of decision-making.

03 / PORTABLE

Lightweight Delivery

A few tens to a few hundred MB per scene.
Because it runs on WebGL / WebGPU,
you can build a delivery format that anyone can open on just an iPhone, Mac, iPad, or Laptop.

WHAT IS 3DGS P. 02 / 05

CHAPTER 02 — FORMAT & SCAN —

CH. 02 Supported Formats & Capture Methods

We work in .ply&.Rad
Capture is by XGRIDS PortalCam

Interoperable with major training, editing, and delivery software.
Capture centers on the XGRIDS PortalCam,
using SLAM-based scanning of real spaces.

02 / SCAN — CAPTURE METHOD

SLAM Scanning with the XGRIDS PortalCam

The XGRIDS PortalCam is a SLAM-type handheld / wearable scanner
that integrates LiDAR with multiple cameras.
Just walking through a space outputs it in Gaussian Splatting format.

Output.ply (Gaussian Splatting) / .lcc / .ply (point cloud) / .Rad
MethodLiDAR + Multi-cam SLAM (real-time localization)
RangeContinuous scanning from a single interior room to block scale (outdoor 100m+)
Accuracycm-order point-cloud accuracy. Practical enough as a baseline for distance measurement
SpeedRoughly 5–10 min per room / 15–30 min for an outdoor location
Output Size50–500 MB / scene (small interior to mid-size block)

+ DRONE CAPTURE

For wide-area locations or spots you can't reach on foot — rooftops, waterfronts, level changes —
we also support 3DGS reconstruction from drone aerial capture (multi-viewpoint shooting).
Combined with the PortalCam's ground scan,
you bring back a seamless 3D space spanning sky ↔ ground in one pass.

FORMAT & SCAN P. 03 / 05

CHAPTER 03 — BEYOND SCOUT —

CH. 03 Applied Workflows — Beyond Location Scouting

Captured 3DGS carries straight through to compositing, previz, and lighting
— reusable as-is.

3DGS data isn't limited to location scouting.
Bring it into tools like Blender / Unreal / Unity / Maya / After Effects
and you can span 3D tracking baselines, animation previz, lighting checks,
and downstream VFX compositing — all from a single set of real-space data.

01 / TRACKING

3D Tracking Baseline

Because 3DGS is captured at real-world scale, it can be used directly as a geometry baseline for camera tracking and 3D compositing in After Effects / Mocha / SynthEyes / Blender. Alignment accuracy with live-action footage improves dramatically.

02 / PREVIZ

Animation Previz

Import into Unreal Engine 5 / Blender / Maya and pre-check CG characters and camera moves overlaid on real space. Because you can nail down blocking, runtime, and angles before the shoot, the speed of on-the-day decisions is on another level.

03 / LIGHTING

Lighting & Visualization

Because 3DGS is specialized for lightweight, real-time rendering, you can swap environment light or a pseudo-HDRI and instantly iterate on time of day, weather, and light placement. It also works well as a simulation environment for the art and lighting departments.

BEYOND SCOUT P. 04 / 05

CHAPTER 04 — CHROME APP —

CH. 04 The "Locahun 3D" Chrome Application

No installation required.
Open it in your browser and start right away.

CHROME APPLICATION

"Locahun 3D" is a 3DGS viewer and virtual-camera application
that runs inside the Chrome browser.
Just drag and drop a scanned .ply / .Rad file, and
real-device-grade lens simulation, distance measurement, environment lighting,
and metadata-tagged JPEG export are all completed inside the browser.

⚡

No Installation Required

Launches instantly with just Chrome. Common to Mac / Windows / Linux. Roll out the same environment to your whole crew at once.

🛡

Local Processing

3DGS data stays entirely within the browser. No uploads to a server — safe even for confidential locations.

💻

Runs on Any Device

Windows / Mac / iPad / iPhone — check on the same viewer from any device. Crew can review instantly on whatever gear is at hand.

📡

Works Offline

After the first load, save the PF and it runs with no internet connection. Works on location, in transit, or for indoor shoots with no signal.

Try it in your browser →

CHROME APP P. 05 / 06

SCAN CONDITIONS — LOCAHUN 3D —

— Scan Conditions —

Scan Conditions

On rainy days, scanning may not be possible for equipment reasons, so the date and time may be changed.
For drone surveys, a preparation period may be required due to flight-permit arrangements.
If shooting dates clash, we may need to adjust the date and time.
For locations far from the Kanto region, we may charge separate travel expenses depending on the situation.
If there is a better approach than 3DGS, we will suggest it. On request, we can connect you with partner companies.

If you have a vision you'd like to realize beyond 3DGS representation,
please feel free to get in touch.

— LOCAHUN 3D —

SCAN CONDITIONS P. 06 / 06