Contours derived from NEXTmap 5 metre DTM
Features and benefits
NEXTMap Britain brings you the most current, comprehensive, accurate and affordable digital elevation and image data of England, Wales and Scotland, a total of 231,326 sq. km.
Contours supplied at 1 metre intervals* are derived from the NEXTmap Britain Digital Terrain Model (DTM) composing height levels on a 5 metre grid. The DTM represents a 'bare-earth' model extracted from the original Digital Surface Model using Intermap's proprietary TerrainFit® software.
This data offers an extremely cost effective means of obtaining an intial indication of a site's vertical position and characteristics. With a tested 95 percent accuracy of ± 1.5 metres for the majority of the dataset in unobstructed and moderately sloping terrain, this dataset represents the highest consistent detail supplied for the UK.
NOTE: As with all detailed datasets, users should ensure they fully understand the nature of the data and it's limitations before use. As such, a very helpful user guide may be found at the bottom of this page.
* 1 metre intervals are used with the intention of ensuring the provision of some information even in flat or very small areas. This does not imply any additional level of accuracy beyond that discussed in the Intermap handbook.
Contours supplied at 1 metre intervals* are derived from the NEXTmap Britain Digital Terrain Model (DTM) composing height levels on a 5 metre grid. The DTM represents a 'bare-earth' model extracted from the original Digital Surface Model using Intermap's proprietary TerrainFit® software.
This data offers an extremely cost effective means of obtaining an intial indication of a site's vertical position and characteristics. With a tested 95 percent accuracy of ± 1.5 metres for the majority of the dataset in unobstructed and moderately sloping terrain, this dataset represents the highest consistent detail supplied for the UK.
NOTE: As with all detailed datasets, users should ensure they fully understand the nature of the data and it's limitations before use. As such, a very helpful user guide may be found at the bottom of this page.
* 1 metre intervals are used with the intention of ensuring the provision of some information even in flat or very small areas. This does not imply any additional level of accuracy beyond that discussed in the Intermap handbook.
Key Points
| Mapping type | Based on vector linework derived from a National database of height information |
|---|---|
| Style | Height information in a familiar and meaningful contour format |
| Used in | Land and property investigation, development and management |
| Can be put into | CAD software and GIS systems with various formats available. |
| Combinations | This mapping format is for use with various types of background mapping whether it be detailed propert level mapping or aerial imagery. If GIS/CAD software is unavailable then why not take advantage of our pre-combined mapping options available in an instantly accessible PDF format. |
| Available as | DXF, DWG and GML formats to suit a range of CAD and GIS packages |
| Cannot | ...be meaningfully used without some form of backdrop mapping |
| Also consider | Combined product options |
