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Continuous improvement and geospatial content improvement programmes in Scotland

Ordnance Survey has two data capture programmes running in Scotland. Continuous revision programme is to data capture the most importance topographic change to the majority of customers’ needs – mainly build development.

OS aims to capture these features within six months of construction being completed on the ground. Almost 30,000 continuous improvement jobs have been created in Scotland within last 3 years.

Urban geospatial content improvement programme has the objective to capture or update of physical features that reflect construction, demolition or other alterations in the real world.

These changes may be to geometry or attribution (for example: new construction or demolition, addition or removal of traffic signs that impact on routing applications, change to the function being undertaken at a site like vacant area of hardstanding now used as a public car park).

The outcome is delivery of content improvement to existing data or capture of additional information that did not meet the previous data capture specification.

Note the extensions to properties in the centre of the map extract.

This map highlights the volume of change captured after the GCIP programme:

This table below shows the recorded data change for two Scottish Cities that has been extracted from our OS datasets - Topographic data, AddressBase and ITN, between pre and post GCIP, early 2013 and 2015.

Dundee data post-GCIPSt Andrews data post-GCIP
191,816 new features added19,325 new features added
151,684 modifications16,540 modifications
138,791 features deleted10,874 features deleted
1.5% more built area3.4% more built area
- 0.03 % fewer addressed buildings- 8% increase in addressed buildings
- 1.4 % more commercial addresses- 1.8% increase in commercial addresses
- 0.1 fewer residential addresses- 9% increase in residential addresses
16% more path area46 % more path area
10 % less pavement area12% less pavement area
155% more traffic calming area1274% more traffic calming
23% less woodland26% less woodland
0.2% less garden area2% less garden area
50% fewer glass houses by area12% fewer glasshouses by area
0.4% increase in local named roads4% increase in local named roads

In total, both OS data capture programmes have shown 2.5 million changes in Scotland.

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