Aerial laser scanning (ALS) data collected over an area of around 1 square km in Dublin city in 2007


Aerial laser scanning (ALS) data collected over an area of around 1 square km in Dublin city in 2007 (see satellite image). A total of ~225 million points were acquired for a dense urban neighbourhood. ALS was carried out by contractors using FLI-MAP 2 system. The system operated at a scan angle of 60 degrees, with an angular spacing of 60/1000 degrees between pulses. The FLI-MAP 2 system also provides spectral data in two different forms: (i) intensity and (ii) colour. An intensity value is provided for each point while colour information is provided by cameras acquiring images during the flyover and is transferred to scan points. The flying altitude varied between ~380-480m, with an average value of ~400m. Total 44 flight strips were acquired and 2823 flight path points were recorded, providing instantaneous aircraft position over time.

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Lombard Street: general view


Lombard Street: general view

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Merrion Square: general view of north side


Merrion Square: general view of north side

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Merrion Street: general view of east side


Merrion Street: general view of east side

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Merrion Square: view of south east corner


Merrion Square: view of south east corner

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Merrion Square, No. 12: façade


Merrion Square, No. 12: façade

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Henrietta Street, Nos. 11-13: facades


Henrietta Street, Nos. 11-13: facades

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Henrietta Street: view from King's Inns


Henrietta Street: view from King's Inns

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Henrietta Street: view towards King's Inns


Henrietta Street: view towards King's Inns

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Henrietta Street, No. 9: doorcase


Henrietta Street, No. 9: doorcase

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Henrietta Street, No. 10: façade


Henrietta Street, No. 10: façade

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Henrietta Street, No. 9: facade


Henrietta Street, No. 9: facade

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William Street South, Powerscourt House: façade


William Street South, Powerscourt House: façade

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Fitzwilliam Square: view of north side looking eastwards


Fitzwilliam Square: view of north side looking eastwards

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Henrietta Street, Nos. 5-6: façade


Henrietta Street, Nos. 5-6: façade

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Merrion Square: view of north side from middle of square


Merrion Square: view of north side from middle of square

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Merrion Square: view of south side looking towards Mount Street Upper


Merrion Square: view of south side looking towards Mount Street Upper

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Merrion Square: view of north side


Merrion Square: view of north side

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Merrion Square: view of south side from middle of square


Merrion Square: view of south side from middle of square

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Kildare Street, No. 45: façade


Kildare Street, No. 45: façade

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Leeson Street Lower: view of north side


Leeson Street Lower: view of north side

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Hume Street: general view


Hume Street: general view

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Ely Place: view of east side


Ely Place: view of east side

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St. Stephen's Green: view of north side


St. Stephen's Green: view of north side

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St. Stephen's Green: view of west side


St. Stephen's Green: view of west side

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Hume Street, No. 9: façade


Hume Street, No. 9: façade

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Hume Street: view of north west side of Ely Place


Hume Street: view of north west side of Ely Place

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Henrietta Street, No. 13: doorcase


Henrietta Street, No. 13: doorcase

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St. Stephen's Green, No. 41: façade


St. Stephen's Green, No. 41: façade

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St. Stephen's Green, No. 9: façade


St. Stephen's Green, No. 9: façade

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St. Stephen's Green, Newman House: facades


St. Stephen's Green, Newman House: facades

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St. Stephen's Green, Newman House: facades


St. Stephen's Green, Newman House: facades

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Mount Street Upper: detail of stepped crescent


Mount Street Upper: detail of stepped crescent

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Mountjoy Square: view of north side


Mountjoy Square: view of north side

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Mount Street Upper: view towards St. Stephen's Church


Mount Street Upper: view towards St. Stephen's Church

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Pembroke Street Upper: view from Leeson Street Lower


Pembroke Street Upper: view from Leeson Street Lower

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North Great George's Street: view towards Belvedere House


North Great George's Street: view towards Belvedere House

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Mountjoy Square: view of north side looking east


Mountjoy Square: view of north side looking east

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Ely Place, Ely House


Ely Place, Ely House

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Parliament House (Bank of Ireland), College Green: colonnade detail


Parliament House (Bank of Ireland), College Green: colonnade detail

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Parliament House (Bank of Ireland), College Green: portico for House of Lords


Parliament House (Bank of Ireland), College Green: portico for House of Lords

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Four Courts, Inns Quay: view of principal block


Four Courts, Inns Quay: view of principal block

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Parliament House (Bank of Ireland), College Green: principal façade


Parliament House (Bank of Ireland), College Green: principal façade

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Four Courts, Inns Quay: portico detail


Four Courts, Inns Quay: portico detail

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St George (C. of I.), Hardwicke Place: façade


St George (C. of I.), Hardwicke Place: façade

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Custom House, Custom House Quay: detail of portico


Custom House, Custom House Quay: detail of portico

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Dr Steeven's Hospital, Steeven's Lane: courtyard


Dr Steeven's Hospital, Steeven's Lane: courtyard

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St George (C. of I.), Hardwicke Place: spire (lower stage)


St George (C. of I.), Hardwicke Place: spire (lower stage)

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Royal College of Surgeons, St Stephen's Green: façade (detail)


Royal College of Surgeons, St Stephen's Green: façade (detail)

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Custom House, Custom House Quay: façade (view from George's Quay)


Custom House, Custom House Quay: façade (view from George's Quay)

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