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ŠUMARSKI LIST 11-12/2010 str. 56     <-- 56 -->        PDF

P. Kovácsová, M. Antalová: PRECISION FORESTRY – DEFINITION AND TECHNOLOGIES Šumarski list br. 11–12, CXXXIV (2010), 603-611
Figure 2 Wood material testing and measurement.


Slika 2. Ispitivanje i mjerenje drvnog materijala.


(Source/Izvor: Wilson et al. 2001)


CT (Computed tomography) Automated Log
Grading System – Computed tomography uses x-rays
to produce high-resolution cross-sectional images of
the internal structure of log (Rayner et al. 2001). The
result is a defect map from the computed tomography
data.
FieldMap – World-wide, Fieldmap is very useful
tool for forest inventorying, which computes field data
collected during fieldworks. This device consists of hardware
set like Electronic compass, optical scope, laser
Figure 4 An automated log grading system.


Slika 4. Automatizirani sustav ocjenjivanja stanja debla/trupca.


(Source/Izvor: Rayner et al. 2002)


rangefinger, field computer, GPS, inclinometers and
software divided into two main parts FM Project Manager
and FM Data Collector. For data analysis there is
used FM Inventory Analyst and FM Stem Analyst.
FieldMap is used for forest structure mapping, long-


Figure 3 Using ultrasound to detect defects in trees.


Slika 3. Otkrivanje grešaka u stablu pomoću ultrazvuka.


(Source/Izvor: Leininger et al. 2001)


term monitoring, descrtiption of forest stand, dendrometry
measurements (tree height, crown projection and
profile, stem profile, estimation of volume of timber),
assessment biomass and growth stocks.


Figure 5 Source: http://www.fieldmap.cz/


Slika 5. Izvor: http://www.fieldmap.cz/