SAMPLE DATA

Please click on the images below to download Bluesky sample data. These samples will open in most GIS Mapping applications. Each sample consists of a sq km of data with associated ESRI world file and projection file (if needed).

AERIAL PHOTOGRAPHY SAMPLE DATA

 

12.5cm Aerial Photography

Sample of high resolution (12.5cm GSD) aerial photo.

Data is provided as a zip file which contains the image data, an ESRI world file and projection file.

25cm Aerial Photography

Sample of standard resolution (25cm GSD) aerial photo.

Data is provided as a zip file which contains the image data, an ESRI world file and projection file.

50cm Colour Infrared Image

A 1 sq km sample of Bluesky Colour Infrared data, which is made of the near infrared band and green and blue band. This type of data can be used for vegetation health studies.

Data is provided as a zip file which contains the image data, an ESRI world file and projection file.

Nightsky Mapping™

This is a sample of night aerial map photography taken in Switzerland. It is captured on a high specification digital camera and processed to a resolution of 25cm.


The download includes a JPG image file.

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HEIGHT DATA SAMPLES

 

1m LiDAR DTM (Digital Terrain Model)

This LiDAR DTM data has had all surface features removed, such as vegetation and buildings, to leave a bald earth terrain.

The download includes an ASCII Grid file.

1m LiDAR DSM (Digital Surface Model)

This LiDAR DSM data includes all of the buildings, trees and other features on the ground.

The download includes an ASCII Grid file.

5m DTM (Digital Terrain Model)

This photogrammetrically derived DTM has had all surface features removed, such as vegetation and buildings, to leave a bald earth terrain.


The download includes an ASCII Grid file.

2m DSM (Digital Surface Model)

This photogrammetrically derived DSM data includes all of the buildings, trees and other features on the ground.

The download includes an ASCII Grid file.

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NATIONAL TREE MAP™ SAMPLE DATA

 

National Tree Map™ (NTM™)

Bluesky's National Tree Map™ is a digital map layer accurately depicting the location and extent of trees. NTM™ details the exact spatial location and height of individual trees, together with the circumference of its canopy.

The download Zip file includes the three deliverables of Tree Points, Crowns and Canopies.

 

(The matching aerial photography tile is not included when purchased from Bluesky, but is included in this download for illustration purposes).

NDVI

NDVI (Normalised Difference Vegetation Index)  is a widely used measurement of the visible and near-infrared light reflected by vegetation.

Data is provided as a zip file which contains the image data, an ESRI world file and projection file.

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3D BUILDING MODEL DOWNLOADS

 

LOD 1

Level of Detail 1 - Models consist of simple block buildings.

The downloadable file include .DGN, .DWG, .SKP & .OBJ.

Note: When opening the .OBJ file you will be prompted to select the .MTL file, this is also included in the download.

LOD 2

Level of Detail 2 - Models contain fully modelled pitched or flat roof shapes.

The downloadable file include .DGN, .DWG, .SKP & .OBJ.

Note: When opening the .OBJ file you will be prompted to select the .MTL file, this is also included in the download.

LOD 3

Level of Detail 3 - Models contain roof shapes and structures, including dormer windows, chimneys and other small detail visible within the aerial photography.

The downloadable file include .DGN, .DWG, .SKP & .OBJ.

Note: When opening the .OBJ file you will be prompted to select the .MTL file, this is also included in the download.

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THERMAL IMAGERY SAMPLE DATA

 

Thermal Imagery

Once combined with OS MasterMap or a similar building polygon database it is possible to measure the heat loss from individual buildings and pinpoint the most inefficient properties.