Visible Settings of Designated Landscapes in Wales
Nature of data: showing the extent of areas visible from a range of landscape-scale polygons and view points.
Purpose of data: To assist strategic site choices when planning visually prominent development types. A web page with general introduction and links to map images produced from the data is available from Natural resources Wales. This is new data output, believed to be seminal for Wales.
Resolution and extent: The visibility mapping uses a 30m resolution open-source digital terrain model for the whole of Wales, out to maximum viewing distance of 35km, including overlaps to/from England where relevant. The 30m digital terrain model was sourced from the Shuttle Radar Topography Mission (Van Zyl, 2001) and processed using the Quantum GIS plugin developed by Cuckovic (2016). See page 23 of technical report (via the link above) for more detail.
- Identification
- Extent
- Distribution
- Quality
- Keywords
- Spatial Reference System
- Content
- Constraints
- Maintenance
- Metadata
Identification
- Identifier
- NRW_DS124929
- Alternative Title
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- Mapping the visible settings of Designated Landscapes in Wales
- Metadata Language
- English
- Lineage
-
Types of data: Data comprises GIS files, a selection of thematic map images created from the GIS, a technical report and user guidance. Output types are (1) zone of theoretical visibility (ZTV); (2) height of object before it is visible (HOBV). Geographical units from which these calculations were run are (a) Key iconic view points to or from nationally designated landscapes – 200 points showing ZTV and HOBV; (b) The visible settings of nationally designated landscapes – 9 large polygons in or affecting Wales, showing ZTV, HOBV; and (c) The visible settings of LANDMAP Visual and Sensory Aspect Areas, 1920 polygons showing ZTV only. Additional derived maps arising from the data for (b) are: ‘heatmaps’ indicating relative concentrations of visibility, and a combined national map showing the pattern of coverage of where there is visibility from a designated landscape.
Caveats on use: The data is designed for strategic planning and site selection use only. It is quantitative data on visibility and does not itself indicate a qualitative measure of visual sensitivity. It does not replace the need for (i) more detailed site and development-specific zone of theoretical visibility mapping evidence and (ii) landscape and visual impact assessment, as part of a development consenting process.
- Additional Information
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Hodges, C.J., Batten, H., Roberts, O., Dowding, D. 2021. Mapping the visible settings of Designated Landscapes in Wales. NRW Evidence Report No: 522, 81pp, Natural Resources Wales, Bangor.
- Dataset Reference Date (Publication)
- 2024-02-19
Extent
Extent
- Geographic Extent
- Wales (WLS)
))
Distribution
Distribution
- Format Type and Description
-
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Geographic Information System
(
Unknown
)
- Specification
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ESRI feature class
-
Geographic Information System
(
Unknown
)
- Resource Locator
- Download Data ( WWW:LINK-1.0-http--link )
Quality
Data quality
- Quality Scope
- Dataset
- Conformity
- Commission Regulation (EU) No 1089/2010 of 23 November 2010 implementing Directive 2007/2/EC of the European Parliament and of the Council as regards interoperability of spatial data sets and services
- Explanation
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This dataset has not been assessed for conformance to the referenced INSPIRE regulation.
- Degree
- false
- Lineage
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Types of data: Data comprises GIS files, a selection of thematic map images created from the GIS, a technical report and user guidance. Output types are (1) zone of theoretical visibility (ZTV); (2) height of object before it is visible (HOBV). Geographical units from which these calculations were run are (a) Key iconic view points to or from nationally designated landscapes – 200 points showing ZTV and HOBV; (b) The visible settings of nationally designated landscapes – 9 large polygons in or affecting Wales, showing ZTV, HOBV; and (c) The visible settings of LANDMAP Visual and Sensory Aspect Areas, 1920 polygons showing ZTV only. Additional derived maps arising from the data for (b) are: ‘heatmaps’ indicating relative concentrations of visibility, and a combined national map showing the pattern of coverage of where there is visibility from a designated landscape.
Caveats on use: The data is designed for strategic planning and site selection use only. It is quantitative data on visibility and does not itself indicate a qualitative measure of visual sensitivity. It does not replace the need for (i) more detailed site and development-specific zone of theoretical visibility mapping evidence and (ii) landscape and visual impact assessment, as part of a development consenting process.
Keywords
Keywords
- Type
- Theme
Citation
- Date (Publication)
- 2008-06-01
Keywords
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NRW Thesaurus
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- LANDMAP
- Type
- Theme
Citation
- Date (Publication)
- 2025-01-08
Spatial Reference System
Content
Content Information
NRW Profile
Custom Elements
- NRW Related Title
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Mapping the visible settings of Designated Landscapes in Wales
Constraints
Constraints
Limitations on Public Access and Use
- Restriction type
- Other restrictions
Access Constraints Directive
- Limitations
- no limitations
Access Constraints Text
- Other constraints
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There are no access restrictions on this data. NRW may release, publish or disseminate it freely.
Use Constraints
- Use constraints type
- Other restrictions
- Other constraints
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© CNC/NRW. Data may be re-used under the terms of the Open Government Licence providing it is done so, acknowledging both the source and NRW's copyright. It is the recipient's responsibility to ensure the data is fit for the intended purpose.
Attribution Statement
- Other constraints
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Contains Natural Resources Wales information © Natural Resources Wales and Database Right. All rights Reserved. NASA Shuttle Radar Topography Mission (SRTM)(2013). Shuttle Radar Topography Mission (SRTM) Global. Distributed by OpenTopography. https://doi.org/10.5069/G9445JDF .
Licence
- Other constraints
- Open Government Licence
Metadata
Metadata
- File Identifier
- 4f4c4942-4343-5764-6473-313234393239 XML
- Metadata Language
- English
- Resource type
- Dataset
- Metadata Date
- 2025-11-28T15:50:20.212Z
- Metadata Standard Name
- NRW
- Metadata Standard Version
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1.0