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Opening up new opportunities in high-precision GNSS / Chuck Joseph in GIM international, vol 30 n° 3 (March 2016)

Public [article]  inGIM international > vol 30 n° 3 (March 2016) . - pp 12 - 15 Titre : Opening up new opportunities in high-precision GNSS Type de document : Article/Communication Auteurs : Chuck Joseph, Auteur Année de publication : 2016 Article en page(s) : pp 12 - 15 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale [Termes IGN] entreprise [Termes IGN] instrumentation GNSS [Termes IGN] positionnement par GNSS Résumé : (éditeur) In a fiercely compétitive landscape, there is considerable pressure on GNSS companies such as Hemisphere GNSS to be innovative and respond to the challenging market conditions. New developments, such as the expansion of the Chinese BeiDou and the European Galileo systems as well as the spectacular rise of Mis, demand a long-term strategy combined with the agility to adapt. Chuck Joseph, president and CEO of Hemisphere GNSS (HGNSS), explains how his company strives to play a leadership role in the industry. Numéro de notice : A2016-101 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79924 [article]

Core wall control survey / Joël Van Cranenbroeck in GIM international, vol 30 n° 3 (March 2016)

Public [article]  inGIM international > vol 30 n° 3 (March 2016) . - pp 21 - 23 Titre : Core wall control survey Type de document : Article/Communication Auteurs : Joël Van Cranenbroeck, Auteur ; Robert Bou Chedid, Auteur ; Peter Bruce, Auteur Année de publication : 2016 Article en page(s) : pp 21 - 23 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale [Termes IGN] bâtiment [Termes IGN] construction [Termes IGN] Koweit [Termes IGN] signal BeiDou [Termes IGN] surveillance d'ouvrage Résumé : (auteur) Tall towers can bend and sway due to wind, cranes and other loads. Ideally, such movements should be around the main axis as designed so that, in the absence of loads, the tower stands exactly vertical. However, raft settlement, concrete shortening and construction tolerances cause deviations. The authors adopted the core wall control survey method to drive the new headquarters of the National Bank of Kuwait - a 300m-tall building - in the vertical direction with millimetre accuracy. The method uses GNSS CORS technology. This is for the first time that signais from the available BeiDou GNSS satellites have been used to assist construction of tall buildings. Numéro de notice : A2016-102 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79926 [article]

Multi-sensor cave detection / Tanya Slavova in GIM international, vol 30 n° 3 (March 2016)

Public [article]  inGIM international > vol 30 n° 3 (March 2016) . - pp 24 - 27 Titre : Multi-sensor cave detection Type de document : Article/Communication Auteurs : Tanya Slavova, Auteur ; Atanas Rusev, Auteur Année de publication : 2016 Article en page(s) : pp 24 - 27 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Topographie moderne [Termes IGN] géologie [Termes IGN] karst [Termes IGN] lever souterrain [Termes IGN] positionnement par GNSS [Termes IGN] réseau de surveillance géophysique Résumé : (éditeur) Caves are important in a wide variety of fields, ranging from construction engineering to minerai exploration and archaeology. Despite the scientific importance of caves, geologists believe that only a relatively small number of them have been discovered so far. Exploration is currently mainly conducted by speleologists but this is a time-consuming activity and is limited to exploration based on existing surface openings. The authors of this article show that the combination of multiple geophysical techniques provides an easier and effective on-surface exploration method that meets the challenges of complex karst environments. Numéro de notice : A2016-103 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79928 [article]

Reconstructing a Mythical Past / Andrew Blogg in GIM international, vol 30 n° 3 (March 2016)

Public [article]  inGIM international > vol 30 n° 3 (March 2016) . - pp 33 - 35 Titre : Reconstructing a Mythical Past Type de document : Article/Communication Auteurs : Andrew Blogg, Auteur Année de publication : 2016 Article en page(s) : pp 33 - 35 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications photogrammétriques [Termes IGN] château [Termes IGN] drone [Termes IGN] impression en relief [Termes IGN] logiciel de reconstruction 3D [Termes IGN] modèle numérique de terrain Résumé : (éditeur) UAS photogrammetry has been used to create a printed 3D model of the area around Tintagel Castle in Cornwall, U.K. The model is on display in the new visitor centre at the castle. Vertical images were taken with a fixed wing and oblique images with a multirotor. Data capture faced two major challenges: the weather and steeply rising cliffs. Working in the winter, in windy and gloomy conditions, proved tricky for obtaining sharp and vivid images so the use of high-quality cameras was a must. In contrast, the legal limitations were modest. Numéro de notice : A2016-104 Affiliation des auteurs : non IGN Thématique : IMAGERIE Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79931 [article]

A revolution in handheld mobile mapping / Anonyme in GIM international, vol 30 n° 3 (March 2016)

Public [article]  inGIM international > vol 30 n° 3 (March 2016) . - pp 36 - 37 Titre : A revolution in handheld mobile mapping Type de document : Article/Communication Auteurs : Anonyme, Auteur Année de publication : 2016 Article en page(s) : pp 36 - 37 Langues : Anglais (eng) Descripteur : [Vedettes matières IGN] Applications de géodésie spatiale [Termes IGN] lever mobile [Termes IGN] positionnement en intérieur [Termes IGN] système de numérisation mobile Résumé : (éditeur) GeoSLAM is a UK-based company with a global réputation for developing game-changing survey solutions. From its Nottingham headquarters, GeoSLAM has pioneered the development and manufacture of handheld indoor 3D mobile mapping systems such as the award-winning ZEB1 and newly released ZEB-REVO. Utilising revolutionary simultaneous localisation and mapping (SLAM) technology, GeoSLAM's solutions offer a cost-effective alternative for rapid mapping of enclosed environments without the need for GPS. GeoSLAM strives to create solutions which are fast, accurate, proven and efficient, for a diverse range of applications including measured building surveys and real estate valuations, mine and cave mapping, forestry scanning and crime scene reconstruction. Numéro de notice : A2016-105 Affiliation des auteurs : non IGN Thématique : POSITIONNEMENT Nature : Article DOI : sans Permalink : https://documentation.ensg.eu/index.php?lvl=notice_display&id=79932 [article]