HES Cropmark Mapping | Canmore

Date October 2015

Event ID 1138746

Category Project

Type Project

Permalink http://canmore.org.uk/event/1138746

People and Organisations

Related Event(s)

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Event	Type	Subtype	Notes	Date
1132124	RECORDING	AERIAL PHOTOGRAPHY	An interpretative transcription, or mapping, of information on oblique aerial photographs was produced on 24 December 2015. [...]	24 December 2015
1138747	PROJECT	PROJECT	Mapping of cropmarking recorded on mainly oblique aerial photographs is undertaken by staff in the HES Archaeological Survey team. Oblique aerial photographs are processed in Aerial 5 software to produce a rectified TIF, associated TFW georeferencing file and a mapping control file (RDA file). Height data of at least 5m interval is used to improve accuracy, and the metrical accuracy (generally < 1m) of the rectification at the control points is documented in the RDA file. Interpretative mapping is undertaken in ArcGIS, or other GIS package, and quality assured before inclusion in the National Record of the Historic Environment. [...]	October 2015
1116148	RECORDING	AERIAL PHOTOGRAPHIC TRANSCRIPTION	An interpretative transcription, or mapping, of information on oblique aerial photographs was produced on 23 August 2017.	23 August 2017

References