6) alphanumeric printing device for output of the results of
photographs processing on paper.
Anagraph software includes system programs supplied by the
computer producer and developed by the user, if needed, and
applied programs written by the API manufacturer. The latter
provides for stereoplotting system operations of photographs
orientation and terrain model reconstruction, plan compilation
and drawing (engraving), output the digital data on terrain
etc., and automation of these actions along with editing the
obtained results.
Efficiency increase of airphotos photogrammetric proces-
sing gained by Anagraph stereoplotter in comparison to tradi-
tional analogous instruments is achieved due to & number of
factors: higher instrumental precision (2-3 wm), rigorous ma-
thematical solution of the task of reconstruction geometric
terrain model, possibility of automatic relative and absolute
photoorientation with & greater number of contour and control
points, possibility to consider photo errors using the re-
sults of their field or self calibration or taking into acco-
unt the model spatial coordinates distortion with the use of
multiquadrics for relief and planimetry stereoplotting, ana=
lytical plotting sheet orientation.
The examination of the airphotos photogrammetrical proces-
sing accuracy on the stereoplotter Anagraph was fulfilled du-
ring the experimental work. Data of the test object survey
characterized by Table 1 and pilot area survey was used for
investigation.
Table 1
Type and Survey Photo Measu- |Measu-) Average |Accura=-
number of date scale ring in-|rement|calibr&|cy of
ihe camera; sirument errors tion deter-
> correc- iminati-
fx s m MB tion on My,
Mm Mm
TES-10M,51 |23.12.81]|1: 5000|Stecome- 3.5 5.06 2.6
100 ver
13.08.79|1:10000 |Ascore- 2.6 645 2.6
cord
TES-10M,216 | 18.08.82|1: 5000 |Stecome- | 2.8 5.0 2.5
100° 3 ber
The test object photographs processing with the help of
Anagraph was carried out for various cases: systematic errors
of image and model were ignored, image errors were compensated
by field and self calibration data, model errors were compen-
sated by polynoms (multiquadrics).
Partial (without inner orientation elements determination)
field calibration of photographs is accomplished according to
the routine realized on the basis of mathematical model worked
in TsNIIGAiK.
, 168