Urban Modelling Datasets

 

Show/hide contentOpenClose All

Description: Data of Dublin city center (Figure 1) was acquired by a helicopter airborne survey to produce data for digital elevation model Full-waveform airborne LiDAR data and orthomosaic. The data involve LiDAR point cloud, full-waveform datimages RGB and NiR, oblique images and 20 cm raw orthomosaic

The aerial survey was performed in a spring 2015 at a attitude of 300m with TopEye system S/N 443. Total number of points is approximately 616391736 and the average point density inside the scanning area is 348.43 points/m2.

The photography was performed with a Phase One camera (a camera ty: RCD30). Total number of images is 4553. A number of FW and BW oblique images are 4210 and 4178, respectively.

 2015 ALS
Figure 1. Surveying area and ALS data in Dublin city center 

Contributors

Debra Laefer: Research team head, Principal Investigator

Linh Truong-Hong: Research team member

Hamid Ghariba : Research team member

Saleh Abuwarda: Research team member

Funder:

European Research Council: ERC-2012-StG_20111012 Project 307836

Download data: It is available upon request.

Description: The scanning area is approximately 1km2 and consists of 205 blocks, each of which may contain in excess of a dozen buildings per block, as shown in Figure 1. The dataset was acquired by ALS using the FLI-MAP 2 system, which generated 1000 pulses for each scan line. The system operated at a scan angle of 60 degrees, with an angular spacing of 60/1000 degrees between pulses, which is roughly equal to one milli-radian.

Acquired points were provided in a global coordinate system with reference to the National Irish Grid (Irish Grid), relating to the use of a Global Navigation Satellite System (GNSS) to determine the aircraft position during scanning.

The flight path was designed to maximize the vertical data of the building walls.The dominant directions of the flight tracks were chosen as north-east, north-west, south-east and south-west. The flight attitude varied between ~380-480m with an average elevation of ~400m. A total of 44 flight strips with 2,823 flight path points were collected during data acquisition. A total of 370,154 scan lines were acquired, with approximately 225 million data points, giving a typical point density of 225 points/m2.

Acquired ALS area in Dublin central and ALS tiles
Figure 1. Acquired ALS area in Dublin central and ALS tiles

Contributors

Debra Laefer: Research team head, Principal Investigator

Carol O'Sullivan: Research team member

Hamish Carr: Research team member

Linh Truong-Hong: Research team member

Funder:

Science Foundation Ireland: Principal Investigator Career Advancement (PICA) Programme

Environmental Protection Agency: ERTDI Programme 2000-2006 Sub-Measure 2

Download ALS data

Description: Terrestrial laser scanning data of more than 30 buildings in Dublin city center acquired by either Leica ScanStation P20 or Trimble GS200.

Download data: It is available upon request.

Description: Orthorectified images of more than 500 building facades in Dublin city center acquired by DSLR camera.

Download data: It is available upon request.

Description: Buildings in Dublin city center were assessment by considering both physical and cultural aspects through the incorporation of building vulnerability criteria, consisting of the structure?s status within the community and its current physical condition

Download data: It is available upon request.

Description: Drawings of about 100 buildings in Dublin city center submitted by owners

Download data: It is available upon request.

Description: Data recovered from the project "Historic Ireland's Build Environment and Road Network Inventory Access" (HIBERNIA), which had been a web enablement of two earlier inventories: the Dublin Environmental Inventory (DEI) and the Dublin Docklands area master plan inventory (DDAMP) (both undertaken by the School of Architecture, Landscape and Civil Engineering, University College Dublin). The combined inventories include historical, geographical, and architectural information collected from 1993 to 1995 for 1,280 of Dublin's buildings.

Contributor:

Sean William Morrish: Compiler, Investigator

Debra Laefer: Research team head, Principal Investigator

Funder: Heritage Council (Ireland)

Download HIBERNIA: Building

Download HIBERNIA: Street