Posts in Category: Data processing

Volumetric analysis using a mini-plane DSM

Client: Natural Resources Wales

Volumetric analysis using a mini-plane DSMexeGesIS undertook an aerial survey of a site and orthorectified and mosaicked the imagery to create a single image. We also generate a digital surface model, which was compared against lidar data to give the change in height. We then determined the volume of additional material within patches identified from the aerial photography.

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Wales Coast Path Condition Survey

Client: Natural Resources Wales / Cyfoeth Naturiol Cymru

Wales Coast Path LogoexeGesIS and Natural Resources Wales (NRW) undertook a 1,200 km survey of the Wales Coast Path prior to its opening. This was used to establish a baseline for the condition of the path and provide a resource for those responsible for its management. exeGesIS worked with NRW to establish the methodology for the survey.

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Wales Coast Path Digitisation

Client: Natural Resources Wales / Cyfoeth Naturiol Cymru

Wales Coast Path Digitisation ProjectexeGesIS worked closely with Natural Resources Wales prior to the opening of the Wales Coast Path to provide a digital copy of the path for reference and release to the public in a variety of formats. The task required splitting and labelling approximately 1,500 km of path network supplied by NRW.

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Creating a provisional wood-pasture and parkland inventory for England

Client: Natural England

Wood-pasture and parkland inventoryOver a series of projects exeGesIS created a spatial inventory of wood pasture and parkland in England. Data were assessed against historic maps and aerial photography, as well as modern data sources. Ground truthing was undertaken in two regions. The resulting inventory mapped 156,838 ha of wood-pasture and parkland.

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Carmarthenshire Greenspace analysis

Client: Carmarthenshire County Council

Carmarthenshire Greenspace analysisexeGesIS undertook an analysis of Greenspace and Public Open Space in Carmarthenshire for 21 major and 51 minor settlements to determine the percentage of the population in each settlement which passed set criteria. The results were reviewed by local authority staff via a website, allowing comments to be left and read by others.

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Heads of the Valleys Greenspace Provision Analysis

Client: A consortium of Blaenau Gwent, Caerphilly, Torfaen, Merthyr and Rhondda Cynon Taff County Borough Councils

Heads of the Valleys Greenspace provisionOver several years exeGesIS undertook a number of analyses of Greenspace provision, comparing the results against the standards in the CCW Greenspace Toolkit. Analysis was undertaken to determine the distance between each postcode and the nearest access point on the nearest Greenspace.

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Scoping Study and Pilot Survey of Upland Habitats

Client: National Parks and Wildlife Service

Upland habitat mapping in IrelandThis project involved the collation and evaluation of a suite of ecological datasets, the production of an indicative map of upland habitats, an investigation of upland field data collection options, and capturing all survey data to GIS.
 

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RCT Rights of Way Definitive Map Update

Client: Rhondda Cynnon Taf County Borough Council

Various datasets relating to the rights of way management in Rhondda Cynnon Taf had fallen out of date, and exeGesIS was asked to assist Rhondda Cynnon Taf County Borough Council with the task of updating and correcting this information, using data from multiple sources to do so.

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