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Untitled Document
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Functions of the Spatial Tool Viewers
The tools on the spatial viewers' toolbars are summarised
hereafter:
 TOOLBAR
BUTTONS |
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Zoom tools allow you to zoom in,
out, zoom to full, next or previous extent, zoom
to active layer |
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The navigation tools allow you to
pan, to move up-down or left-right |
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The interrogation and query
tools allow requests about your attribute data
(tabular data):
- you can ask
information by clicking on a specific layer
(click on
and click on your map);
- you can find information
about your layers;
- you can make a query on
your data; example: values of ammonium >
to a certain value, or where is the station
330. You can also combine different criteria.
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You can measure distances (the result
is written in the top left corner of your map) or
change the units of your view using the distance
and units tools |
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The buffer tool creates a buffer
zone around/along a selected layer; example: create
a security zone of 250m along the pipelines |
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The data comments and selection tools
allow you to edit comments about the map, to add
information about one layer, etc. and to send your
modifications to the Belgian Marine Data Centre. |
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The attribute table gives you all
the information about each layer |
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To clear a selection, use the clear
button |
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To have information about the map,
use the map tips button |
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The add data button allows you to
add data from your local drive (*.shp or image files)
or from another website |
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The layer properties tool allows
you to change how a layer is displayed (example:
change the symbol type, the color, the size; add
a label for the layer; define a scale range at which
the layer is displayed) |
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Using the 'Project utilities' buttons,
you can open, save, close a project, or save it
as an image |
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The Geography Network button allows
you to add data from this global network of geographic
information |
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Coastal forecast
| TIDES |
OSTEND |
[TAW] |
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Time |
Elev. |
| Low |
19:40 |
0.53 m |
| High |
1:40 |
4.54 m |
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Harmonic prediction 
Ostend 1980–2020: |
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| WIND |
WESTHINDER |
| Speed |
6.04 m/s |
| Sector |
344° , NNW |
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| WAVES |
AKKAERT |
| Height |
1.03 m |
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| CURRENTS |
WESTHINDER |
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| TEMPERATURE |
OSTEND |
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| SALINITY |
OSTEND |
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| TRANSPORT |
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