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Comparison · Laser scanning and survey suites

Neurones 3D vs Carlson Point Cloud

Looking for a Carlson Point Cloud alternative? Neurones 3D is free, offline point cloud and Gaussian splatting software for Windows: the free viewer runs every process, from AI classification to dimensioned floor plans, and a one-time paid edition saves the results.

Carlson Point Cloud is a CAD-based point cloud module from Carlson Software, part of the Carlson survey and civil line, that takes aerial or terrestrial scans to CAD linework, surfaces and contours. It comes in Basic and Advanced editions.

By Dr. Florent Poux, maker of Neurones 3D · Carlson Point Cloud's facts from Carlson Software's own documentation, checked

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The short answer

Choose Neurones 3D if you want a standalone Windows application, bought once, that classifies point clouds with trained models, draws dimensioned floor plans, builds terrain and contours, measures change with M3C2 and writes DXF, with a free viewer to test every process first. Choose Carlson Point Cloud if your office already runs Carlson or AutoCAD and your deliverables are survey plats and civil design, where drawing linework straight into CAD and the Advanced edition’s site feature extraction fit the workflow you have.

At a glance

Neurones 3DCarlson Point Cloud
Runs onWindows 10 and 11 (64-bit)Windows 11; runs in the bundled IntelliCAD or in AutoCAD, Map and Civil 3D 2019-2026
Where it runsdesktopdesktop
Licencefree viewer + one-time paid editionsperpetual licence with optional maintenance; Basic and Advanced editions
PriceFree viewer; paid editions bought once, no subscriptionprice on request source
Free useThe free viewer opens, views and runs every process; writing results out needs a paid editionDemo available

Feature by feature

"Not stated" means we could not find it in Carlson Software's documentation, not that it is missing. Each of Carlson Point Cloud's cells links to where we read it.

CapabilityNeurones 3DCarlson Point Cloud
Runs fully offlineYesNo account, no internet connection, no telemetryNot statedDesktop CAD software; network licences may optionally be moved to the cloud; fully offline use not stated
One-time licence availableYesBought once; no subscriptionYesCarlson sells perpetual licences; a 90-day subscription of Point Cloud Basic was also offered source
Opens LAS/LAZ and E57YesLAS, LAZ, COPC, E57, PLY, PCD and more; a 127.8 M point E57 opens in about 22 sPartlyLAS import, including classified data, is documented; E57 is not stated on the pages read source
Scan registrationPartlyCloud-to-cloud alignment (ICP and graph matching, no initial placement needed), RMS shown with the inlier shareYesRegister scans to local coordinates; transform and scale the cloud source
AI point cloud classificationYesFour trained models ship in every build: indoor, aerial LiDAR, powerline, streetscape; a confidence per pointAdd-onMachine-learning feature extraction of linework (curbs, building outlines, paint stripes, power lines) is in Point Cloud Advanced; Bare Earth ground filter; per-point classes not stated source
SegmentationYesUnsupervised segmentation, primitive decomposition, components, roomsNot stated
Automatic floor plansYesAutomatic, dimensioned, with sections and elevationsNot stated
DXF / CAD drawingsYesDXF R2000, SVG and PDF; no DWGYesSurfaces, points, contours, breaklines, grids and profiles are drawn directly in CAD source
DTM / DSMYesDTM, DSM, CHM, slope, aspect, hillshade on one gridYesBare Earth filtering, TINs and surface models source
Contour linesYesContours that cannot crossYesContours, profiles, sections and breaklines from within the point cloud source
Change detectionYesM3C2 with a 95 % level of detection; cloud-to-cloud and cloud-to-BIM deviationYesCloud Compare routine; compare points to TINs or fixed elevations (2026) source
MeshingYesPoisson and clean meshing; the clean mesh is closed, not edge-manifoldPartlyTIN surfaces and 3D solids from a cloud; general mesh reconstruction not stated source
Gaussian splatsYesOpens PLY and SPZ splats, converts them to points, meshes them; does not train splatsNot stated
ReportsYesSelf-contained HTML reports with provenanceYesReporting options for the Cloud Compare routine source
Scripting / SDKYesEngine & SDK edition: Python package and headless command lineNot stated

Where Neurones 3D is stronger

  • Four trained point classification models (indoor, aerial LiDAR, powerline, streetscape) with a confidence per point ship in every Neurones 3D build; Carlson’s machine-learning extraction needs the Advanced edition.
  • A free viewer runs every process before any purchase, and paid editions are bought once with no subscription; Carlson Point Cloud is priced on request.
  • Automatic, dimensioned floor plans with sections and elevations from indoor scans, alongside M3C2 change detection with a 95 % level of detection.

Where Carlson Point Cloud is stronger

  • A full CAD environment (IntelliCAD bundled, or AutoCAD) with Carlson field-to-finish coding, profiles and cross sections, and native DWG drawings.
  • Machine-learning extraction of site linework in Point Cloud Advanced: curbs, parking lines, paint stripes, sidewalks, building outlines, power lines, road edges and open pit breaklines.
  • Part of a wider survey, civil, hydrology and mining suite, so point cloud output flows straight into design and plats.

Who should choose which

Choose Neurones 3D to take a point cloud or a splat capture to a finished deliverable on your own machine: classified LAS, a dimensioned floor plan with sections and elevations in DXF, a DTM with contours, a change map or a report, without an account, an upload or a subscription. Every figure it publishes is measured; see the benchmarks.

Choose Carlson Point Cloud: Surveyors and civil engineers already working in Carlson or AutoCAD who turn drone and scanner data into field-to-finish linework, surfaces and plats.

Questions

Is Carlson Point Cloud free?

Carlson Point Cloud: price on request. Free use: Demo available. Neurones 3D’s free viewer opens, views and runs every process; writing results out needs a paid edition bought once.

Can Carlson Point Cloud classify point clouds with AI?

Carlson Point Cloud: add-on. Machine-learning feature extraction of linework (curbs, building outlines, paint stripes, power lines) is in Point Cloud Advanced; Bare Earth ground filter; per-point classes not stated. Neurones 3D: yes. Four trained models ship in every build: indoor, aerial LiDAR, powerline, streetscape; a confidence per point.

What is the best alternative to Carlson Point Cloud?

Choose Neurones 3D if you want a standalone Windows application, bought once, that classifies point clouds with trained models, draws dimensioned floor plans, builds terrain and contours, measures change with M3C2 and writes DXF, with a free viewer to test every process first. Choose Carlson Point Cloud if your office already runs Carlson or AutoCAD and your deliverables are survey plats and civil design, where drawing linework straight into CAD and the Advanced edition’s site feature extraction fit the workflow you have.

How this comparison was made

Written by the maker of Neurones 3D, so read it as such. Carlson Point Cloud's column comes only from Carlson Software's published documentation and listings, read on 2026-09-24; where we found nothing, the cell says "not stated". Neurones 3D's column comes from its own guides, which give the limits too. If something here is wrong or out of date, write to howto@learngeodata.eu and it will be corrected.

Sources:

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About

Why Neurones 3D exists.

Standing inside a 43.5 million point indoor laser scan rendered by Neurones 3D

I have spent years working with point clouds, and for most of them the software got in the way. I wanted one tool I would actually reach for every day: fast enough to enjoy, honest about what it does, and calm to use.

Neurones 3D started in Python, the way most of my research does. It worked, but it was heavy, and heavy tools quietly discourage you from opening them. So I rebuilt everything in Rust, from the file readers to the renderer, with one rule: stay frugal. A single small file, no cloud, no telemetry, billions of points on a laptop that is ten years old. In an age where every tool reaches for a data center, I wanted the opposite.

The goal is simple to say and hard to earn. One package that carries you from capture to understanding to deliverable, without exporting to five other programs along the way. Load a scan, a splat, a building, a phone video. See it, classify it, measure it, and send out something real. Together, in one place.

This is the tool I always wanted. I hope it becomes yours too.

Dr. Florent Poux 3D Geodata Academy

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