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Kerbstone 121, Knowth
Kerbstone 121 is located on the outer edge of the largest megalithic tomb at Knowth, County Meath, Ireland (ME019-030001-). It is made of greywacke and decorated with motifs "pecked" into the surface using a sharp implement, possibly flint or quartz. The motifs include circles, cupmarks, double zigzags and a double serpentiform.
Kreatur
- The Discovery Programme
Suġġett
- passage-tomb
- archaeology
- megalithic-art
- kerbstone
- megalithic
- megalithic chamber tombs
- petroglyphs
- Arkeoloġija
- Cromlech
Tip ta' oġġett
- 3D
Kreatur
- The Discovery Programme
Suġġett
- passage-tomb
- archaeology
- megalithic-art
- kerbstone
- megalithic
- megalithic chamber tombs
- petroglyphs
- Arkeoloġija
- Cromlech
Tip ta' oġġett
- 3D
Istituzzjoni fornitriċi
Aggregatur
Dikjarazzjoni tad-drittijiet tal-midja f'dan ir-rekord (sakemm mhux speċifikat mod ieħor)
- http://rightsstatements.org/vocab/InC-EDU/1.0/
Drittijiet
- © 2024 The Discovery Programme – All rights reserved
Data tal-ħolqien
- 2024
- 2024
Temporali
- Neolithic
Postijiet
- Knowth
Provenjenza
- 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 04/06/2024. 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 v1.4 Alignment Settings: Image overlap - low, Detector sensitivity High, Distortion model - Brown3 with tangential2 . Mesh creation using "Normal detail" setting. Mesh Processing: Reality Capture v1.4 - High poly mesh cleaned and checked for topological errors. High polygon mesh exported as .obj (21,000,000 polygons). Mesh simplified to 50K polygons and smoothed (Strong, weight 0.1, 10 iterations). Low poly model exported as .obj (50,000 polygons). Texturing: Unwrapping of mesh (3DS Max 2024). Production of primary UVW texture maps (Normal, Ambient Occlusion, Position, Height, Cavity, Curvature) by baking High polygon detail using Marmoset Toolbag v4. 8K Texture - synthetic stone smart material (Substance Painter v10).; Mesh cleaning; Mesh processing; Mesh simplification (decimation); Photogrammetry; Structure-from-motion (SFM)
Identifikatur
- share3d:1859
- share3d:1859
Format
- glTF
Lingwa
- English
- en
Huwa parti minn
- Share3D
- Ireland
Relazzjonijiet
- Royal Irish Academy. Excavations at Knowth vol. 7: The megalithic art of the passage tombs at Knowth, County Meath. Digital Repository of Ireland (2023) [Publisher]. Royal Irish Academy [Depositor].
Sena
- 2024
Pajjiż fornitur
- Ireland
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