LABORATOR COMPATIBIL EE
RÜDR: OTRKRRRI 1. 8F-02150 ESPOO 16 0B NO. EXPERIMENT SCALE OF BODY 1:20 "
n TEL. 90-4681. TELEX 12-2972 VTT 8F DATE + 1977-12-22
c
TECHNICAL RESEARCH CENTRE OF FINLAND | NAVIRE/PARAINEN. 1977-08-22 0.0 0.2 0.4 0.8 0.8 1.0
Y TORY OF LRND USE ITY CONTROL
LEGEND:
BLUE : BLOCK 89/BB
RED : BLOCK 88/B8
INDEX ¢
pp -
H
Fig. 9. The graphical presentation of the compatibility of blocks in the
experiment work. The comparison presented as distances between
position points. A part of the blocks.
5. SUMMARY ric Engineering and Remote Sensing 43(1977),
| pp. 1169...1175.
The measuring method which was developed in
the research project was tested in the course /2/ Newton, I., Close-range photogrammetry as
of the experiment work and proved to be appli- an aid to measurement of marine structures.
cable to control measurements of ship construc- Photogrammetric Engineering and Remote
tions. The expectations and requirements in- Sensing 41(1975), pp. 1501...1512.
curred in experiment works carried out earlier
at docks were taken into account when the /3/ Hottier, Ph., Accuracy of close-range
method was designed. Among these viewpoints analytical restitutions: Practical ex-
were the accuracy and readability of the re- periments and prediction. Photogrammetric
sults and the costs caused by the measuring Engineering and Remote Sensing 42(1976)3,
work to the dock. A remarkable cost factor, pp. 345...375.
while using conventional measuring methods,
is the disturbance caused by measuring work /4/ Wong, K.W., Mathematical formulation and
to the normal operation of the dock itself. digital analysis in close-range photo-
In the measuring method here reported, the grammetry. Photogrammetric Engineering and
time needed at the dock has decreased as a Remote Sensing 41(1975)11, pp. 1355...1373.
major part of the measuring work can be done
outside the dock. This again might cause some /5/ Rakenteen muodon ja koon mittaus, menetel-
delay in getting the results. However, the mákuvaus. Valtion teknillinen tutkimus-
dealy is only apparent, if it has been possi- keskus, koestusmenetelmürekisteri, 1977.
ble to present the decision makers with more Measurement of shape and size of construc-
applicable results through the use of graphi- tion, description of method. Technical
cal presentation. Research Centre of Finland, Register of
test methods, 1977.
Although the experiment work dealt with prob-
lems in controlling shipblocks, both the mea- /6/ Fotogrammetristen ja geodeettisten havain-
suring method and the general three-dimension- tojen yhteistasoitus (GAPGO), ohjelmase-
al adjustment and graphical software are suit- loste. Valtion teknillinen tutkinuskes-
ed for the definition of the shape and size of kus, teknismatemaattisten ohjelmien oh-
constructions with dimensions varying from 5 jelmatietorekisteri, 1977. General ad-
to 20 meters produced in building industry. justment of geodetical and photogrammetri-
cal observations (GAPGO), program abstract.
Technical Research Centre of Finland,
Program abstract register of technomathe-
REFERENCES matical programs, 1977.
/1/ Kenefick, J.F., Applications of photo-
grammetry in shipbuilding. Photogrammet-
79
