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A set of observed leveling height differences is described using the
start-end tag <height-differences>
without parameters. The
<height-differences>
tag can contain a series of height
differences (at least one) and can optionally be supplied with a
variance-covariance matrix. Single height differences are defined with
empty tags <dh />
having the following attributes:
from = "…"
standpoint identification
to = "…"
target identification
val = "…"
observed leveling height difference
stdev = "…"
standard deviation of levellin elevation and
dist = "…"
distance of leveling section (in kilometers)
If the value of standard deviation is not present and length of leveling section (in kilometres) is defined, the value of standard deviation is computed from the formula
m_dh = m_0 sqrt(D_km)
If the value of standard deviation of the height difference is defined, information on leveling section length is ignored. A third possibility is to define a common variance-covariance matrix for all elevations in the set.
<height-differences> <dh from="A" to="B" val=" 25.42" dist="18.1" /> <dh from="B" to="C" val=" 10.34" dist=" 9.4" /> <dh from="C" to="A" val="-35.20" dist="14.2" /> <dh from="B" to="D" val="-15.54" dist="17.6" /> <dh from="D" to="E" val=" 21.32" dist="13.5" /> <dh from="E" to="C" val=" 4.82" dist=" 9.9" /> <dh from="E" to="A" val="-31.02" dist="13.8" /> <dh from="C" to="D" val="-26.11" dist="14.0" /> </height-differences> |
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This document was generated by Ales Cepek on September 16, 2017 using texi2html 1.82.