Tasman 0.1m Urban Aerial Photos (2020)

Tasman 0.1m Urban Aerial Photos (2020)

Toitū Te Whenua Land Information New Zealand

2020-10-22

Orthophotography within the Tasman District taken in the flying seasons (summer period) 2020-2021. Coverage is of ten urban areas in the Tasman region.

Imagery was captured for Tasman District Council by Aerial Surveys Ltd, Unit A1, 8 Saturn Place, Rosedale 0632, New Zealand.

Data comprises:
•1056 ortho-rectified RGB GeoTIFF images in NZTM projection, tiled into the LINZ Standard 1:1,000 tile layout
•Tile layout in NZTM projection containing relevant information.

The supplied imagery is in terms of New Zealand Transverse Mercator (NZTM) map projection. Please refer to the supplied tile layout shape file for specific details, naming conventions, etc.

Imagery supplied as 1cm pixel resolution (0.1m GSD), 3-band (RGB) uncompressed GeoTIFF. The final spatial accuracy after orthorectification is ±0.3 m @ 95% confidence level.

Index tiles for this dataset are available as layer [Tasman 0.1m Urban Aerial Photos Index Tiles (2020)](http://data.linz.govt.nz/layer/105948)

Project
Aerial photography was captured over ten urban areas in the Tasman District totalling
approximately 295 km2. The areas of capture are located in the Tasman Region of the South Island.

Data Acquisition
The aerial photography for this project was captured within the 2020/21 flying season on the following dates: 16 October 2020 and 22 October 2020

Camera
All photography was captured using Vexcel's digital UCE100 camera, fitted with a 100 mm lens, and flown at: 0.1 m GSD: 6,800 ft (2,072 m) flying height.

Sun Angle
Imagery captured with a sun angle between 36.6 to 56.4 degrees.

Flight Planning
Survey SN14013 using 10cm UCE V3: 38 runs, 513 frames
Stereo capture: Forward overlap 60%, min 54%. Side overlap 35%, min 15%.

Environmental Specification
Imagery captured with no cloud and minimal cloud shadow within the area of interest. Imagery
captured within 1.5 hours either side of low tide.

-41.817439291 172.302135340 -40.667796971 173.143293435

https://data.linz.govt.nz/layer/105946-tasman-01m-urban-aerial-photos-2020/

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