Description
NISMR No.: LDY014:033
Monument Type: City Walls
New Gate was first opened by the Corporation in 1787. Before this an opening had been made in the wall at this point allowing access to Wapping Lane (now Fountain Street). However, the opening was re-inforced into a gateway as tensions arose just before the United Irishmen Rising of 1798. The Gate was later replaced by the present segmental-arched opening in 1866.
Technical Details
3D Capture Method: Terrestrial laser scanning (TLS)
3D Capture Description: Phase based terrestrial laser scanning using a Faro Focus 120 laser scanner. The instrument quotes the following specification:
- Distance accuracy up to ±2mm.
- Range from 0.6m up to 120m.
- Measurement rate up to 976,000 points/sec.
- Intensity & RGB. Integrated colour camera.
- Photorealistic 3D colour scans with up to 70 megapixels.
- Parallax-free colour overlay.
Laser scans geo-referenced using RTK GPS with VRSnow corrections
Data Processing Software
Processing of point cloud data: Faro Scene & Pointools
Meshing of data: Geomagic Studio 2012
3D Modelling & Texturing: Autodesk Mudbox, Mari, 3D Studio Max
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