Engineering Geodesy -Definition and Core Competencies
New definition XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 – 21 June 2014 Engineering geodesy is the discipline of reality capture ,
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Prof. Dr. Heiner Kuhlmann, University of Bonn, Germany german delegate of comm. 6 FIG Prof. Dr. Volker Schwieger, University of Stuttgart, Germany chair of comm. 5 FIG
Prof. Dr. Andreas Wieser, ETH Zurich, Switzerland
Prof. Dr. Wolfgang Niemeier, TU Brunswick, Germany chair of working group 6.1 FIGEngineering Geodesy - Definition
and Core CompetenciesMotivation
General remarks
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014•The introduction of terms and their common understanding are fundamental in every scientific discipline
•Engineering geodesy = surveying engineering •Several definitions of "engineering geodesy" in the last 40 years •As a reaction to broadened and new areas of applicationMotivation
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Source Definition
[FIG,1971]"Technical measurements, which are necessaryin connection with planning, execution, approvaland later surveillance of buildings."
[FIG,1997]"Surveying in connection with planning,construction, approval and monitoring ofbuildings and other objects
[Brunner,2007]"Engineering geodesy is the production ofgeodetic information necessary for the planningof technical projects, setting out of the projectdesign, control of the correct construction, andmonitoring of deformations."
New definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy is the discipline of
reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy
is the discipline of reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference frames XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •Videodoku-mentation www.mobile-mapping.deReality capture
www.topscan.deReality capture
UAV XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Klingbeil et al., 2014
Reality capture
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Aus Glaus, 2006; ETH Zürich
www.dhpi.comReality capture
summary XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •total station with poles ..... mobile multi-sensor-systems •terrestrial, air-borne •fast •challenge: point cloud -> automatic generation of semantic informationNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy is the discipline of
reality capture, setting-outand monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesSetting out
Different accuracies and reliabilities
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •Marking of the corners of a construction pit •Marking of a street axis •Steering of a tunnel machine •Accelerator alignementSetting out
machine guidance XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Setting out
Steering of a tunnel machine
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Kahmen, 2006
Setting out
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Tall buildings
Van Cranenbroek, 2007
Setting out
summary XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •real-time applications •errors are expensive •Setting out is unique w.r.t. all other geodeticdisciplinesNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy is the discipline of
reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesMonitoring
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Trunk, Kirsch, 2010
monitoringXXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014•temperature
•traffic load •water level •rain fall •building activity input acting forcesobject transfer functionoutput measurements •deformation model •geodeticnetwork •Kalman filtering •time series analysis •....•rigid body movement •deformations •strain, stress •tilting •rotation summary XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •Interdisciplinary: civil engineering, mechanical engineering, geo-sciences, ... •data acquisition, observation •modelling, understandig, interpretation •intervention monitoringNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy is the discipline of
reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesSpatial scale: local and regional
1...100 cm
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 shape inspection in mechanical engineeringJuretzko, 2008
Spatial scale: local and regional
1...100 cm
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Pheno-typing of crops
Paulus et al., 2014
Spatial scale: local and regional
...x00 m XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Bridge
monitoringRobertz et al.,2010
Spatial scale: local and regional
...x0 kmXXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014networkGotthard tunnel
Wiget et al., 2010
Spatial scale: local and regional
...x00 km XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014St. Andreas
faultCaltech, 2014
Spatial scale: local and regional
...x000 kmXXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014change of global datum
Seitz et al., 2012
Connection / borderline
to global geodesyNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy
is the discipline of reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesGeometry related phenomena
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 distancescoordinatesangles straightnessbendinclination atmospheric conditionobject temperature......New definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy
is the discipline of reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference frames quality assessmentXXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014•from planning of measurements (understanding of sensors, measurement processes, circumstances, ...) to analysis results
•assurance of quality accuracyprecisionreliability sensitivityseperability completenesson time.....New definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy
is the discipline of reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference framesEngineering geodesy is a measuring science
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 tacheometerlaserscannerGNSSlaser tracker inclinometerDInSAR
levelling thermometer......Sensor systems
plumb line cameraIMS fibre opticextensometer optical plummetSensor systems
Engineering geodesy is a measuring science
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •Capturing geometric and environmental data •Physical sensor model •Stochastic model •Calibration •Data transfer •Temporal and spatial integration of multi-sensors-systems •Most efficient, as precise, reliable ... as it has to beNew definition
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Engineering geodesy is the discipline of
reality capture, setting-out and monitoring of local and regional geometry-related phenomena paying particular attention to quality assessment, sensor systems and reference frames reference framesReference frame is necessary
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014Brunner, 2007
reference framesReference frame is necessary
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014•Small -> easy
Schwarz, 1995
reference framesReference frame is necessary
XXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014 •Small -> easy reference frames ... is changingXXV International Federation of Surveyors Congress, Kuala Lumpur, Malaysia, 16 - 21 June 2014change of global datum