{"id":975,"date":"2019-12-16T14:15:27","date_gmt":"2019-12-16T14:15:27","guid":{"rendered":"https:\/\/www.bgs.ac.uk\/?post_type=technology&p=975"},"modified":"2020-11-24T14:00:56","modified_gmt":"2020-11-24T14:00:56","slug":"ags-download-service","status":"publish","type":"technology","link":"https:\/\/www.bgs.ac.uk\/technologies\/geotechnical-data-services\/ags-download-service\/","title":{"rendered":"AGS download service"},"content":{"rendered":"\t\t\t
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AGS download service<\/h1>\n\t\t\t\t\t\t\t\t\t

BGS Technologies — Geotechnical data services<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/section>\n\t\t\t\n\n\n

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This is a high-level summary of the BGS AGS download service, which provides free and open access to AGS geotechnical data held by the BGS. <\/p>\n\n\n\n

AGS data is the industry-standard exchange format for geotechnical data in the UK. For more information, visit the official website for the Association of Geotechnical and Geoenvironmental Specialists<\/a> to learn more about the AGS and the technical details of the data exchange format.<\/p>\n\n\n\n

High-level workflow<\/h2>\n\n\n
\"AGS<\/a>
\"Expand<\/a><\/div><\/figure>\n\n\n
  1. AGS (and associated) files are donated to the BGS and are stored in their original form, accessible at the deposited data search<\/a>.<\/li>
  2. Subject to donors’ consent to data being made available, AGS data is extracted into a relational database. As part of this process, BGS generate new PROJ and LOCA IDs, which are unique across all projects.<\/li>
  3. The locations of each borehole (or LOCA) are then exposed via a public web map service (WMS) as well as an ESRI REST API service. Using these services, the public can identify the boreholes they wish to download.<\/li>
  4. When the BGS AGS exporter web service is given a list of borehole identifiers (LOCA_IDs) a request is made to the database and a download is prepared.<\/li>
  5. If a group of boreholes of different origin are selected, one AGS file is generated for each originating project. This file contains a subset of the original data. The original project and borehole IDs are replaced with the unique values generated by the BGS.<\/li><\/ol>\n\n\n\n

    What does each BGS-generated AGS file contain?<\/h3>\n\n\n\n

    All files are provided in version 4 of the AGS standard, regardless of the original version of the files donated. The service is borehole and not project focused.<\/p>\n\n\n\n