5_Thomas_Jefferson_Memorial_CYARK_Field_Report.pdf

Field Work Summary

Project Dates July 8th - July 14th

Collaboration between CyArk and NPS Funded provided by CyArk board members Five days of field work.

● 692GB of total data

● 371GB of photogrammetry data 5678 Images

● 37GB of LiDAR data 183 Scans

● 14 panorama locations

Helicopter photography instead of drone photography

● Support from US Park Police

Terrestrial Photogrammetry Multiple concentric rings of Phase One with 35mm, Nikon 15mm & 24mm for colonnades and monument interior.

70-200 used for column tops and pediment area detail photos. Roof photos shot with Phase One with 35mm, Nikon 15mm & 24mm

1 2

Dome 35mmRoof Wall 35mm

Phase One

200mm Pediment Detail 105mm Column Capitals

Nikon

Aerial Photogrammetry

Aerial photos were captured from a helicopter with Nikon 70-200mm and Phase One 35mm and 80mm. Phase one was stabilized with Kenyon Gyro and Nikon was a VR lens. Multiple concentric rings at various altitudes

200mm200mm

Nikon

80mm35mm

Phase One

Laser Scanning (LiDAR)

Scans cover the both levels of the roof and dome area. Interior of monument, colonnade, front steps, surround levels, first tier and perimeter walkway. Two scanners were used in an alternating pattern

Panoramas

● 14 Nodal Panoramas

● Nodal Ninja Sony A6300 Samyang 7.5mm

● Virtual tour and Skybox

● Orange location on portico roof

Locations

Initial Results - Rendering of 3D Model

Conservation Deliverables for NPS

• 3D site model

• 3D detail model of pediment figures

• E57 scans (registered, registered and clean)

• JPEG photogrammetry data

• Architectural Drawing Set

• Site plan and contour map

• Roof plan

• Floor plan

• Reflected ceiling plan

• 4 exterior elevations

• 4 sections

• 4 interior detail elevations

• 4 statue detail elevations

• Project report and data drive