Scantra is a programme for geodetic registration of point clouds captured by terrestrial laser scanners based on identical planes and points. It has been designed to process very large projects with hundreds to thousands of scans with superior accuracy way beyond the error-budget of ICP-based solutions. Typical fields of application are as-built documentation, construction site monitoring or deformation measurement. Scantra is the only software on the market that satisfies established demands from Geodetic Engineering by delivering extensive and meaningful quality measures which stem from a high-performance Block Adjustment. Scantra is capable to handle highly redundant registrations as a consequence of loop-closure constraints yielding in reliable results.

Be a part of our net - your advantages at a glance:

Efficiency - Reduced time on site by omitting targets

Precision - Enhanced error budget by use of planes (instead of points)

Performance - Process several thousand scans on standard hardware

Transparency - Sound reports for quality assurance based on a block adjustment

1. Import point clouds

2. Automatic detection of planes in each scan (optional: target detection)

3. Determination of adjacent scans and pairwise registration based on:

• an automatic plane matching process, or if required
• a manual pre-alignment followed by automatic plane matching

4. Block adjustment of all scans into a common target system, either

• into a local reference system of a master scan
• a user-defined reference frame
• or a superior geodetic coordinate system

Optionally, a blunder detection algorithm can be initiated.

5. Application of highly precise and reliable registration parameters to all scans

Data Import 

• Binary formats: E57 (Universal), zfs (Zoller + Fröhlich), fls (Faro), lps (LupoScan), pcp (PointCab)
• Ascii formats: pts (Leica), xyz (user definable)

Data Export 

• File Formats: E57 (Universal) or ascii file format
• Registration Parameters to File Header: E57 (Universal), zfs (Zoller + Fröhlich), lps (LupoScan), lsdx (PointCab)

Registration

• Plane-based
• Target-based
• Plane and target-based
• Block Adjustment (planes and / or targets)
• Images-based pre-alignment (planes and / or points)
• Application of pre-orientation (requires direct georeferencing or similar)

Reporting & Quality Assurance

• Pairwise Registration: Residuals, partial redundancies and normalised residuals between roints and / or planes
• Pairwise Registration: Visualise matched planes
• Pairwise Registration: Horizontal section
• Block Adjustment: Adjusted registration parameters of stations including standard deviations
• Block Adjustment: Residuals and partial redundancies for observation groups and individual observations
• The Inspector: Browser Window with observations that feature the ten largest normalised residuals