Table 1 Data acquisition.
From: Recognizing technique variation in rock engravings: ArchCUT3-D for micromorphological analysis
Chariot Engraving (full) | Chariot Engraving (partial) | Ibexes Engraving | Gigi Graffiti | |
|---|---|---|---|---|
Scanner | POLYMETRIC PT-M4 | Creaform HandySCAN 700 | ||
Associated software | QTSculptor | VXelements | ||
Light source | Structured light (white light, color temperature 3400 K produced by a 900-lumen halogen lamp) | Seven red laser crosses (+extra “single-beam” line) | ||
Lenses and aperture | 16 mm 5.6f | 75 mm 5.6f | Real-time “automatic adjustment” configuration | |
Distance from target | 1200 mm | 300–400 mm | ||
View field | 400 × 400 mm | 100 × 90 mm | 275 × 250 mm | |
Accuracy (point spacing) | x–y: 0.29 mm z: 0.036 mm | x–y: 0.084 mm z: 0.017 mm | x–y: 0.05 mm z: 0.05 mm | |
Output | Point cloud | Mesh (automatic and direct output in real-time) | ||
Optional scan parameters (optimization, fill, decimation, boundary optimization) | – | Default 0 value | ||
