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Kerbstone 5, Dowth Hall Passage Tomb (Photo Texture)
Greywacke kerbstone located immediately east of K4 along the southern perimeter of the Dowth Hall Passage Tomb (ME020-098----). Decorated with two pecked motifs on its southern/vertical face. The most westerly motif is a partial (1.5 revolutions), anticlockwise spiral. East of this, there is pecking visible along the edges of a sub-rectangular fracture that removed part of the vertical face. It is…
Creator
- The Discovery Programme
Subject
- archaeology
- megalithic
- passage tomb
- megalithic art
- kerbstone
- megalithic chamber tombs
- petroglyphs
- Archaeology
Type of item
- 3D
Creator
- The Discovery Programme
Subject
- archaeology
- megalithic
- passage tomb
- megalithic art
- kerbstone
- megalithic chamber tombs
- petroglyphs
- Archaeology
Type of item
- 3D
Providing institution
Aggregator
Rights statement for the media in this item (unless otherwise specified)
- http://rightsstatements.org/vocab/InC-EDU/1.0/
Rights
- © 2022 The Discovery Programme – All rights reserved
Creation date
- 2022
- 2022
Temporal
- Neolithic
Places
- Dowth Hall
Provenance
- Capture Technology: SfM Photogrammetry using Canon EOS 6D MkII DSLR & 50mm f/1.4 lens, X-Rite colour calibration card, calibrated photogrammetric scale bar. Images captured in Canon RAW format. Capture date - 22/11/2021 Image Pre Processing: ColorChecker Camera Calibration v2.3.0 & Adobe RAW 14.4 - Generation of calibrated texture images and high contrast SfM alignment images in jpeg format. Photogrammetric processing: Reality Capture v1.2 (Alignment Settings: Image overlap - low, Detector sensitivity High, Distortion model - Brown 3). Mesh creation using "High detail" setting. Mesh Processing: Reality Capture v1.2 - High poly mesh cleaned and checked for topological errors. High polygon mesh exported as .obj (25,000,033 polygons). Mesh simplified to 50K polygons and smoothed (Strong, weight 0.1, 10 iterations). Low poly model exported as .obj (49,996 polygons). Texturing: Unwrapping of mesh (3DS Max 2022). Production of primary UVW texture maps (Normal, Ambient Occlusion, Position, Height, Cavity, Curvature) by baking High polygon detail using Marmoset Toolbag v3. 8K Texture - Photo texture (Reality Capture v1.2 - Photo-consistency based).. ; Mesh cleaning; Mesh processing; Mesh simplification (decimation); Photogrammetry; Structure-from-motion (SFM)
Identifier
- share3d:1684
- share3d:1684
Format
- glTF
Language
- English
- eng
Is part of
- Share3D
- Ireland
Year
- 2022
Providing country
- Ireland
Collection name
First time published on Europeana
- 2024-08-16T09:33:32.370Z
Last time updated from providing institution
- 2024-09-09T13:14:36.050Z