XGRIDS Pro Guide™ / Module 9: LCC Studio

Module 9 Quick Field Guide

The working reference for LCC Studio. Mode selector, the settings that lock at Start, the numbers and limits to remember, the pre-reconstruction checklist, navigation, tour authoring, delivery, and the gotchas that fail a job. Each line links to its full how-to.

Section 1

LCC Studio at a Glance

LCC Studio turns XGRIDS scan data into 3D Gaussian Splatting models. It does not produce point clouds, and there is no conversion path to or from LixelStudio. If the job needs a measured point cloud, process the raw data through LixelStudio instead.

Editions. The free edition does Single Model reconstruction, local viewing, and publishing. The Premium edition adds Map Fusion, Aerial-Ground Map Fusion, Aerial Reconstruction, HD Enhancement, Spatial Recognition, and the full export set.

Devices. L2 Pro is supported across the reconstruction modes. K2 is supported across the modes, including Map Fusion and Aerial-Ground Map Fusion. PortalCam is supported across the modes, including Map Fusion and Aerial-Ground Map Fusion, with Layering Optimization on by default.

Load capture data by connecting the device over USB and letting LCC import it, which is the cleanest path. If you load by hand, select the main capture project folder the device created, not a sub-folder, and keep the project and backup paths on an SSD that is separate from the install directory.

Section 2

Reconstruction Mode Selector

Choose the mode on the My Models page when you create the project. The mode is fixed at reconstruction.

Mode	Use it when	Inputs and hard limits
Single Model	One continuous scan of one space	One device's capture.
Map Fusion	A site too large for one battery or session	Up to 10 segments, all from the same device type, 200 minutes combined. L2 Pro 16-line and 32-line cannot be mixed. Every segment needs absolute coordinates from RTK. A segment with none is rejected at import, and control cannot be added after capture.
Aerial-Ground Map Fusion	Site, roof, and interior in one model	Ground scan, plus 100 to 10,000 drone images (JPG or JPEG, above 1024 x 768, one consistent resolution), plus the per-pad takeoff and landing photos. All three are required or it fails.
Aerial Reconstruction	Drone only, no ground device	100 to 10,000 JPG or JPEG images, same resolution rules as above.
Video Reconstruction	A model from existing footage	One MP4, MOV, or WEBM, up to about 16 minutes, 720p to 4K, H.264, H.265, AV1, or VP9.

Section 3

Settings That Lock at Start

Every setting below is set at project creation and locks when you click Start. Changing one means reprocessing the whole scan, so confirm each first.

Setting	Set to	Note
Reconstruction Quality	Standard for client work	Fast for previews only. Slow for final, large-screen, or detail-critical jobs, at more time and GPU memory.
Portability	On for any shared tour	Optimizes for phones, tablets, and the web viewer. Off gives richer lighting but can stutter on mobile.
Maximum Gaussian Points	25M or below (single model)	Above 25M can overflow VRAM on a consumer GPU. In fusion modes the value applies per block and auto-adjusts, so higher has little effect.
Spatial Recognition	On if you need a floor plan	Indoor scans, Premium, GPU VRAM above 8 GB. Cannot be added after reconstruction.
Coordinate System Conversion	None indoors, a target system for outdoor RTK	With valid RTK it converts automatically. Without RTK it shows None and the model still builds.
Layering Optimization	On for PortalCam, off for repetitive layouts	Corrects loop-path drift. In cubicles or identical floors it can read one place as another, so disable it there.
SLAM Special Mode	Auto	Robust adds interference tolerance. None favors precision in clean conditions. Narrow Scene is only for tunnels, shafts, and long corridors.
PPR	Normal, lower for outdoor edge bleed	Sky bleeding into edges is usually a capture-angle problem. Shoot more heights and angles to fix it at the source.
Exposure Optimization	Off, on for harsh lighting changes	Use only when floating artifacts appear at indoor-to-outdoor transitions. Can soften very bright or dark areas.
Low-Memory Mode	Off, on only if RAM fails	Single Model mode only. Writes intermediate data to disk and extends processing time.

Section 4

Numbers and Limits to Remember

Item	Value
Processing time at Standard	About 20 to 30 minutes of compute per 1 minute of capture.
64 GB RAM	Stable to about 30 minutes of capture. Risk of failure over 45.
128 GB RAM	Stable to about 60 minutes. Risk over 90. A total length of 150 minutes or more wants 128 GB.
Free disk before you start	At least 2x the capture size, on an SSD, separate from the install directory.
Maximum Gaussian Points	25M ceiling for a single model on a consumer GPU.
GPU VRAM for HD Enhancement and Spatial Recognition	Above 8 GB, or the feature will not run.
HD Enhancement photos	L2 Pro 20 to 500. PortalCam 20 to 1000 with control points, 20 to 500 without. All from one camera.
Drone photos for fusion or aerial	100 to 10,000 JPG or JPEG, above 1024 x 768, one consistent resolution.
Video input	Up to about 16 minutes, 720p to 4K.
3D Tiles	4 million Gaussian point cap, and requires RTK absolute coordinates.

Section 5

Pre-Reconstruction Checklist

Run this before you click Start. Most items cannot be fixed afterward without reprocessing or a return to the site.

Mode chosen before loading. It locks at Start.
Paths set for the project and the capture backup, on an SSD, separate from the install directory.
Disk reserved: at least 2x the capture size free.
Right folder loaded: the main capture project folder, not a sub-folder. USB auto-import is cleanest.
Floor plan decision made: if you need one, check Spatial Recognition now. It cannot be added later.
Fusion control confirmed: for Map Fusion or Aerial-Ground, every ground segment carries RTK or control points. Uncontrolled scans are rejected.
Point Cloud Preview run: it checks the data and flags fixable capture problems before you commit hours.
Locked settings confirmed: Quality, Portability, Maximum Gaussian Points, Coordinate System Conversion, and any device options.
Do not close LCC Studio once reconstruction starts. Closing interrupts the job.

Section 6

Navigate a Finished Model

Camera flying past the model is a speed setting, not a broken scan. Drag Camera Speed down, or hold Ctrl and scroll the wheel down. Keep the speed in the 1X to 4X range. The control goes to 100, but past about 4X you fly out of the model in every direction, so treat 4X as the practical ceiling. The value is global across projects, so once it feels right it stays. For a walk-through that cannot pass through walls, use Avatar mode with the Collider on.

Mode	Best for	How you move
First-Person	Free movement and close inspection	W, A, S, D to move, mouse to steer, Q and E to drop and rise, Shift to sprint, scroll or Camera Speed to set pace.
Pivot	Orbiting one object or area	Left-click drag to rotate around a point, right-click drag to pan, scroll to zoom, double-click to recenter.
Avatar	Walking the space, the client view	Click the floor to walk there. W, A, S, D to move, Space to jump. With Collider on, you stay on surfaces.

The viewer toolbar carries Switch View, Camera Speed, Origin Point (reset to capture start), Point Cloud, Collider, Height Filter, Screenshot, Grid, Capture Trajectory, and Environment Data. Full detail is on 9.8 LCC Studio Tools.

Section 7

Author a Tour: Quick Numbers

Tool	Key facts and numbers
Viewpoints	Three types: Guided Tour (jump-to points), Flythrough Path (animated route, up to 10 routes), Area View (screenshot source for reports). Names and titles up to 50 characters. Flythrough dwell defaults to 3 seconds, transition Linear or Jump.
Annotations	Display annotation: title up to 50 characters, body up to 1000, up to 5 media files (JPEG, PNG, MP4) at 500 MB each, plus a link. Transition annotation links to another scene. Prefix labels ISSUE, INFO, SPEC on busy models.
Measurement	Coordinate, Distance, Area. Approximate, not survey grade. Ctrl snaps to an axis, Tab snaps to corners. Export as CSV or PDF.
Scene Report	Compiles the floor plan, viewpoints, and measurements. Title up to 50 characters, details up to 1000. Export as JPEG or PDF.
Render video	1080p, 2K, or 4K. 30 or 60 FPS. MP4 output.

Full authoring workflow is on 9.9 Scene Editor Tools and 9.12 Virtual Tour Workflow.

Section 8

Deliver

You do not export a file to share a tour. You publish, and the link LCC returns is the tour. Your client opens it in a browser with no install. Export is only for handing the file to someone who needs it in another program.

Click File, then Publish, or use the quick-publish button on the project card.
Choose access. Password-Free lets anyone with the link view. Encrypted requires a password, custom or system-generated.
Add a model description for context, such as address, project name, and scan date.
Click Create, then Share to copy the link and password. Manage links later in Publish Management.

Export format quick reference

Format	Best for	Notes
LCC2	Default for XGRIDS ecosystem delivery	Smallest files through SOG or SPZ compression, smoother rendering. Recommended.
LCC	Older XGRIDS tools	Legacy format. Can export a no-texture mesh alongside.
PLY	Third-party 3DGS tools	Open standard, larger than LCC.
USD	NVIDIA Omniverse	Dialog offers USD (ray-traced) and USDZ (forward compatible, needs firmware 3.0 and Single Model). Omniverse only.
3D Tiles	WebGIS, Cesium, ArcGIS	v2 for Cesium 1.31 or later, v1 for older. Requires RTK absolute coordinates. 4 million point cap.
Mesh (OBJ or PLY)	Game engines, modeling software	Geometry only, no texture.

For access-control choices by audience and the full format detail, see 9.7 Export Formats and 9.12 Virtual Tour Workflow.

Section 9

Critical Gotchas

No recovery from poor scan data. Coverage gaps, drift, and weak loop closure are field problems. No setting fixes them in processing.
Settings lock at Start. Changing one means reprocessing the whole scan.
Map Fusion rejects any segment without absolute coordinates. Control cannot be added after capture, so uncontrolled scans must be recaptured.
Floor plans need Spatial Recognition on before processing. It cannot be added afterward.
Closing LCC during reconstruction interrupts the job. Reopen and use Continue Generation or Restart Generation.
3D Tiles needs RTK absolute coordinates. Georeferencing cannot be added after the scan.
USDZ needs firmware 3.0 and Single Model. Without both, the USDZ option does not appear.
Narrow Scene SLAM fails in normal spaces. Use it only for tunnels, shafts, and long corridors.
High PPR bleeds sky into outdoor edges. Lower it for outdoor scenes.
Maximum Gaussian Points above 25M can overflow VRAM in a single model.
Layering Optimization on a repetitive layout can misalign the model. Turn it off for cubicles or identical floors.

Previous Module 8 LixelStudio Next 9.1 Pipeline Overview