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Aerial triangulation
PHOTOMOD 6.0.2
2. Measure coordinates of GC points on project images.
To perform correct block adjustment it is recommended to measure coordinates of all input
GC points on block images, since all points – both measured and unmeasured – take part
in statistics during block adjustment. Otherwise, it is possible to exclude unmeasured points
on steps of coordinates measurement and block adjustment.
7.2. List of exterior orientation parameters
The exterior orientation parameters are projection centers coordinates of each block
image, 3 angles (omega, phi, kappa), as well as survey time. All the above parameters
describe image position in space.
In order to view, import, input or edit exterior orientation parameters choose Orientation ›
Exterior orientation data list or click the
button of the main toolbar of the system
or of the AT additional toolbar.
The Exterior orientation parameters window opens, which contains a table (list) of
exterior orientation parameters and its toolbar.
Use the Ctrl+mouse wheel to quickly scroll through the list (аналогично полосам прокрутки
окна). To navigate through the rows rotate the mouse wheel.
Fig. 71. List of exterior orientation parameters
The list of exterior orientation parameters contains the following exterior orientation
data of project images:
• project images code and name;
• XYZ – projection center coordinates in meters;
• Omega-Phi-Kappa – angles of exterior orientation in degrees;
• survey time;
• type and RMS of projection centers coordinates and angles.
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