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Maatvoering op drijfzand
3 gezichtspunten, 3D
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Persoonlijke dimensie
Landmeter
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Persoonlijke dimensie
Hydrograaf
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Persoonlijke dimensie
Construction projects•(Zeeburgertunnel)•Tunnel onder de Noord•Tweede Benelux
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Persoonlijke dimensie
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Refereren
RD / NAP
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Refereren
Hayford
WGS 84
3 Rotaties3 Translaties1 Schaalfactor
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Refereren
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Refereren
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Refereren
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Maatvoering op drijfzand
BouwprocesOntwerpen Bouwen Beheren
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Maatvoering op drijfzand
BouwprocesOntwerpen Bouwen Beheren
MAATVOERING
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Maatvoering op drijfzand
Wat meten? (Datum, referentie)
Hoe nauwkeurig?
Keuze meetopzet en instrumentatie
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Maatvoering op drijfzand
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Maatvoering op drijfzand
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Maatvoering op drijfzand
1. Synchroniseren– Koppelen van positiesensor en overige
sensoren aan boord– Gyro / MRU calibratie
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Maatvoering op drijfzand
2. Aligneren (=“Fysiek transformeren”)
((
Wat is hier het datum?
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Maatvoering op drijfzand3. Rekenkundig transformeren
Hayford
WGS 84
3 Rotaties3 Translaties1 Schaalfactor
Tachymeter
ScheepsstelselOf preciezer: datum ontwerper
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Maatvoering op drijfzand
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Maatvoering op drijfzand
3. Rekenkundig transformeren
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Maatvoering op drijfzand
3. Rekenkundig transformerenFotogrammetrie, vanuit de lucht maar ook
terrestrisch. Centrale projectie
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Maatvoering op drijfzand
Instrumentatie:TachymeterLasertracker
VlakheidslaserUitlijn laser
LaserscannerFotografie
Klein meetgereedschap
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