EEE ——,
acts to ame |
oria Design Country oed 7. Publications 8. Problems Being 9. Subjects to
222 LEE No. Solved Criteria Design
and tolerances
in from the 3 Internal instructions We produce maps 1:1000 to Personal errors of
lational Geogra- 1:250 000. Cartographic operators, stability
Institute, problems in cadaster road | of materials, plotting
maps, maps for pedology, methods, reduction of
forestry, geology, maps of | field work.
harbours.
- Rhodesia! 1 - We have no problems Survey cameras should
i be calibrated on eight
TS semi-axises.
— ] | Roumanie] 1 National instructions re- in 1967 - establishing of In tolerances esta-
locks garding to the basic topo- {limits of stereocoumpilation | blishment we consider
graphical map on the sca- method for country with in-| to stress the practi-
les 1:5000 - 1:10 OOC. clination below 6°. cal results obtained
by different instru.
> ments and not only
theoretical considera-
tions. The latter
should be used just
D for checking of the
practical results.
f observations | |Spain Y Not published Study of tolerances for Test-field work.
rallax, cente- governmental orders.
point etc.
plotting in-
; (whether Sweden 1 Preliminary "Specifica- Checking of image distor- Specification for the
mechanical or tions for mapping for sion, image quality, different fundamental
al) || town and city-planning" checking of instrumental operations, image,
quality. equipment, orientations
ng influence
acy. Influence
ast differences
acy of plotting
, scales. Crite-
ccuracy of
tos.
y of material
nology.
and measurement. Syste-
matic errors must be
specified theoretical-
ly and practically.
n3
amie
| Survey ordinance (1920)
Rules for urban plans (
——
"d
and Land Survey Board.
i m Y A Dr AE NOCTES
1960)
publoby the Swedish Cadastral
We wait for the results of
the Experiment "Pecny
1966-1968". Then we shall
slaborate à proposal for
& new Swedish Survey
Ordinance,
Modern statistical
methods, based on a
thorough study of the
real sources of errors.
Error distribution
could be studied by
means of Markow proces-
ses and data simula-
tion.