GEXCEL Reconstructor 4.5.0: Professional Point Cloud Processing & 3D Reality Capture Software

GEXCEL Reconstructor 4.5.0 is a powerful multi-sensor, multi-resolution software platform for processing and managing 3D point cloud data from various sources, including terrestrial, mobile, airborne, and SLAM-based LiDAR scanners, as well as UAV and photogrammetry surveys . The software handles the complete workflow from automatic scan registration and georeferencing to creating high-resolution 3D models, meshes, orthophotos, and CAD deliverables.

Reconstructor was initially introduced in 2007 and has been continuously developed, with the last major update in 2024 . It integrates seamlessly with HERON SLAM systems (Gexcel’s proprietary handheld SLAM solution) as well as scanners from FARO, RIEGL, Z+F, Leica, Trimble, Topcon, Teledyne-Optech, and many others .

Version 4.5.0 is the latest release in the 4.x series, following version 4.0 (which introduced new online help documentation) . The software is actively incorporating AI and automation technologies to progressively reduce manual workload for surveyors and engineers

???? Primary Users

This professional point cloud processing software is designed for:

  • Geomatics Engineers & Surveyors processing LiDAR data from terrestrial, mobile, airborne, and SLAM-based scanners for topographic surveys and mapping 

  • Civil Engineers & Infrastructure Professionals performing deformation monitoring, volume calculations, and inspection of bridges, tunnels, and construction sites 

  • Architects & Heritage Preservation Specialists creating 3D models of historical buildings and cultural heritage sites (e.g., Doge’s Palace in Venice with 101 trajectories covering 17km) 

  • Mining & Quarry Engineers computing stockpile volumes, monitoring quarry fronts, and generating cut/fill reports 

  • Forensic & Public Safety Professionals documenting accident scenes and crime scenes with high-precision 3D models

⚡ Key Features & Capabilities

 

???? Multi-Sensor Data Import & Integration

Reconstructor supports a vast array of input formats and scanner types :

Category Supported Formats / Manufacturers
Point Cloud Formats LAS, LAZ, E57, PTS, PTX, PLY, TXT, ASC, XYZ
Scanner Manufacturers FARO (.fls, .lsproj), RIEGL (.rxp, .3dd, RiSCAN PRO projects), Z+F (.zfs, .zfprj), Leica, Trimble, Topcon, Teledyne-Optech
SLAM Systems HERON, DotProduct (.dp), GeoSLAM
3D Models & CAD DXF, IFC, STL, OBJ, PLY, DAE, 3DS, VRML, WRL
Images BMP, JPG, PNG, TIFF (for colorization)
UAV/Photogrammetry Integration of point cloud models from UAV and photogrammetric surveys 

???? Automatic Target-less Registration & Georeferencing

  • ICP (Iterative Closest Point) Algorithm – Automatically aligns scans without requiring physical targets 

  • Bundle Adjustment – Global optimization of multiple scan positions

  • Georeferencing – Support for GPS/GNSS data, control points, and coordinate systems 

  • Multi-Source Registration – Align data from different instruments (terrestrial, mobile, airborne) in a single project 

✂️ Point Cloud Editing & Filtering

Tool Function
Outlier Removal Remove individual noise points and isolated artifacts 
Vegetation Filtering Automatic removal of vegetation from point clouds 
Resampling Reduce point density with subsampling factor to optimize performance 
Point Reduction Decimate dense point clouds while preserving essential geometry 
Ground Extraction Generate bare-earth DEM (Digital Elevation Model) 

???? Measurements & Analysis

  • 3D Measurements – Distance, angle, area, volume calculations 

  • Cross Sections – Extract 2D profiles from 3D point clouds and meshes 

  • Multiple Cross Sections – Batch extraction of sections along a defined path 

  • Contour Lines – Automatic generation from point clouds and meshes 

  • Annotation Tools – Add notes, dimensions, and callouts in 3D space 

  • CAD Export – Export points and polylines as DXF files for CAD software 

????️ Mesh Generation & Modeling

  • 3D Mesh Creation – Generate high-quality triangulated meshes from point clouds 

  • Texturing – High-resolution texture mapping using RGB images from cameras 

  • Colorization – Assign RGB colors to point clouds using external images 

  • DTM/DEM Creation – Digital Terrain Model generation for earth surface analysis 

???? Orthophoto & Panorama Generation

  • Orthophoto Creation – Georeferenced orthophotos from point cloud data 

  • X-Ray Orthophotos – Penetrating view for infrastructure inspection 

  • Panoramic Spherical Projection – Create 360° panoramas by calibrating multiple images taken from the same point of view 

???? Volumetric & Mining Analysis

  • Volume Calculation – Compute volumes of stockpiles, excavations, and voids 

  • Cut & Fill Analysis – Compare two surfaces to determine excavation requirements 

  • Quarry Monitoring – Real-time intelligent monitoring of quarry fronts (with OPMMS solution) 

  • Stockpile Measurement – Precise warehouse and stockyard volume calculations 

???? Inspection & Deformation Monitoring

  • Heat Map Generation – Color-coded deviation maps comparing scan data to reference models 

  • Inspection Report – Generate PDF reports of detected deformations and anomalies 

  • Time Series Analysis – Compare multiple scans over time for change detection 

???? Visualization & Navigation

  • 3D Viewport – Zoom, pan, rotate, and fly-through capabilities 

  • Point Cloud Rendering – By elevation, intensity, classification, or RGB color

  • Snapshot Capture – Save images of the current viewport in BMP, JPEG, or PNG formats 

  • Mesh Visualization – Shaded, wireframe, and textured views

???? Interoperability & Export

Export Formats :

Output Type Formats
Point Clouds LAS, E57, PTS, PTX, XYZ, PLY, TXT
Meshes STL, OBJ, PLY, DAE, 3DS, VRML, DXF
CAD DXF (polylines, cross sections, edges)
Reports PDF (inspection, volume, cut/fill)
Images/Maps BMP, JPG, PNG, orthophotos
Video AVI (fly-through animations)

Direct CAD Integration: Outputs compatible with AutoCAD, Revit, ArchiCAD, AllPlan, BricsCAD, and ReCap Pro 

????️ Specialized Modules

Module Application
Base Core processing functionality 
Mining Volume calculations, stockpile reporting, quarry monitoring 
Color High-resolution colorization of point clouds from RGB images 
HERON Specialized for Gexcel’s HERON SLAM handheld scanning system 

???? AI & Automation (2025 Developments)

Gexcel is actively integrating AI and automation into Reconstructor to :

  • Automate data optimization in OPMMS (quarry monitoring)

  • Streamline point cloud processing in HERON SLAM workflows

  • Reduce manual workload while delivering faster, more reliable results

???? What’s New in Version 4.5.0

Based on the evolution from version 4.0 to 4.5.0 (latest 2025 developments):

  • HERON SLAM Integration – Enhanced support for Gexcel’s HERON handheld scanning system with patented SLAM algorithm 

  • Large Project Handling – Capability to manage projects with 101 trajectories covering 17km of paths (demonstrated at Doge’s Palace, Venice) 

  • AI-Powered Automation – Initial integration of AI to automate optimization and streamline processing workflows 

  • OPMMS Real-Time Monitoring – Intelligent monitoring of quarry fronts and precise stockpile measurement 

  • 3DSMS Solution – 3D Stockpile Measurement System for warehouse inventory management 

  • MG1 High-Resolution Camera – Enhanced SLAM-based surveys for digital twin creation