Figure 4: Palette
2.2.4 Matrix menus: They are used in conjunction with a
digitizing table or tablet. You can select any function
using tablet cursor.
2.2.5 Button menus: They are used to assign actions
to the digitizing tablet cursor buttons. You can also
assign actions to foot-switches in stereo-plotter.
2.2.6 Keyboard menu: You can assign actions to keys
on the keyboard.
2.2.7 Dialog boxes: They are used in GeoSET most
often to adjust settings and input alphanumerical or
numerical values.
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Figure 5: Dialog box -- adjusting settings
2.2.8 Status bar: The status bar at the bottom of
GeoSET application window displays GeoSET prompts,
status and informative messages lake the name of
selected function or view control, coordinates.
Select new window center x
Z 123700
| window Center |
x 27555966 Y 7978352
Figure 6: Status bar
2.2.9 Movable, resizable views: As in GeoSET the
Multiple Document Interface standard is implemented,
elaborated map can be displayed in several views. View
attributes can be adjusted to vary the appearance of the
digital map. I.e. you can see or not raster background in
view or you can rotate image.
2.3 Digital map elaboration
The results of mapping in GeoSET are ASCII files with
coded geometrical information. The vector drawing on
the screen or plotter is only interpretation of geometrical
data base. You can produce various vector maps based
on the same geometrical data be linking various symbol
libraries.
To illustrate coded cartographic objects on the map you
have to avail a set of drawing tools. They are polygons
composed of lines, curves and arcs, signatures, spot
heights, annotations, area symbols.
Objects of particular types, their codes and graphical
illustration are to be taken from palettes with symbols.
There are also functions for correction of elaborated
map, functions for inquiring about geometrical relations
and many others.
2.4 Geometrical data acquisition
2.4.1 Photogrammetry: GeoSET can be used as
software for computer assisted ddigital mapping with use
of analog stereo-plotters. It will be possible to connect
GeoSET to any analytical stereo-plotter. It this area |
have had good experience since 1989, when | tested
connection DIGIMAP to DICOMAT.
2.4.2 Others sources: To produce vector numerical
maps in GeoSET, geometrical data may come from
various sources, that is field surveys, raster images, old
maps via digitizing, etc.
In plans of future development there is provided
possibility to make stereo-digitalization from images on
the screen (digital photogrammetry).
2.5 Mediums of presentation
Presented conception provides possibilities of presenting
the vector and raster images together. Therefore
GeoSET may be used for presentation of the vector
information on background of digital orthophoto-maps. It
is also possible to place images and photographs on the
map.
2.6 Plotting
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Figure 7: Plot - Preview Partial function
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International Archives of Photogrammetry and Remote Sensing. Vol. XXXI, Part B2. Vienna 1996
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