9.2 Single Scene Processing
Taking one continuous scan from capture to a finished model: importing it, previewing the data before you commit, setting the few parameters that matter for a single scene, and running the reconstruction.
When to Use Single Model
Single Model turns one continuous scan into one model. It is the default and the starting point for most jobs: any scene that a single scanning session can cover. If the site needs more than one session, or a drone, you are in Map Fusion or Aerial-Ground territory instead, covered on 9.3 and 9.4.
Device support. Single Model works on the L2 Pro, K2, and PortalCam. Keep any single scene to about 20 minutes for reliable processing, and up to about 30 on a strong 128 GB machine. Past about 30 minutes reconstruction fails on most computers, so split a larger site into segments and stitch them with Map Fusion.
Capture One Continuous Scene
Scan the space in one unbroken session using the field technique for your device in Modules 3 through 7. Two things matter specifically for a clean Single Model reconstruction:
- Keep it one continuous capture. Do not power off or split the scene into pieces. A single model comes from a single capture; multiple pieces belong in Map Fusion.
- Close your loops. Return to the start and re-walk shared ground so the SLAM solution closes cleanly. Open loops show up later as drift and doubled surfaces that no setting fully fixes.
If the scene is outdoors and needs real-world coordinates, capture it with RTK so the model can be georeferenced during reconstruction. If it is indoors and you want a floor plan, plan to enable Spatial Recognition at reconstruction, which is an L2 Pro and PortalCam feature. Neither can be added after the scan.
Import and Preview the Data
- Create the project. Click Create and select Single Model. Connect the device by USB and let LCC detect and import the capture, or point it at the capture project folder. Import the top-level project folder, not a sub-folder, and keep the path free of spaces.
- Confirm the device type. LCC reads the data and displays the device it detects. Check it matches the scanner you used before going further.
- Preview the point cloud before committing. Click Point Cloud Preview. LCC checks the capture and shows the trajectory and a rough cloud, flagging problems while you can still fix them, before you spend hours on a reconstruction that was never going to succeed.
Set the Parameters That Matter for a Single Scene
These are chosen at project creation and lock at reconstruction. Confirm them before you start, because changing one later means reprocessing. The full settings and advanced options are on 9.8 LCC Studio Tools; the ones that matter most for a single scene are below.
| Setting | What to do |
|---|---|
| Reconstruction Quality | Standard for client work. Slow for final, detail-critical models. Fast for a quick preview only. |
| Maximum Gaussian Points | Keep at or below 25 million on a consumer GPU. In Single Model this caps the model's total points and must fit GPU memory. |
| Coordinate System Conversion | Leave on None indoors. For an outdoor RTK scene that must align to GIS or BIM, pick the target system. It decides automatically: valid RTK converts, no RTK builds in local coordinates. |
| Low-Memory Mode | Enable only if a reconstruction fails for lack of RAM. It writes intermediate data to disk and extends processing time. Available in Single Model only. |
| Spatial Recognition | Builds the structured floor plan the 3D Layout and Scene Report tools use, and prepares indoor structure for BIM and Revit work. Enable it at reconstruction if the job needs a floor plan (9.11) or the Revit workflow (9.6); those are built from it and cannot be produced without it. L2 Pro and PortalCam, indoor, needs more than 8 GB of GPU memory. See 9.11 Floor Plans and 9.6 LCC Revit Plugin. |
| HD Enhancement | Enable if you shot supplementary close-up photos of key areas. See 9.5 HD Enhancement. |
Run the Reconstruction
- Start it. Click Start Reconstruction and confirm. LCC processes the scene automatically and shows a progress ring and stage bar on the model card.
- Leave LCC open. Do not close LCC Studio while the model is generating. Closing it interrupts the job; the card then shows a failure, and you resume with Continue Generation or restart from the beginning.
- Keep disk space free. Reserve at least twice the capture size on an SSD separate from the install directory, or the run can fail partway for lack of room.
If a reconstruction fails for memory, it is not lost. Drop to Standard quality or enable Low-Memory Mode and re-run. How much total capture a workstation can hold is set by its RAM and matters most on multi-segment jobs; see 9.1 Pipeline Overview for the memory tiers.
After Reconstruction
When the card switches to a thumbnail, the model is ready. From here the job moves to editing and delivery:
- Navigate and check it in the viewer. Set a comfortable camera speed and walk the model for gaps or drift. See 9.8 LCC Studio Tools.
- Edit it. Scene-level cleanup, measurement, viewpoints, and publishing are in 9.9 Scene Editor Tools. Point-level cropping and color grading are in 9.10 Model Editor Tools.
- Export or publish. Choose a delivery format or publish a web link on 9.7 Export Formats.
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