SAMM User Manual
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9.4.2 Extents
The user may elect to export the visible extent of the mosaic, the entire survey or some user
specified area. If you would like to limit the exported data to the extent of the mosaic window,
set the extent of the mosaic window before opening the export tool.
9.4.3 Resolution
The resolution can be set between 0.1 cm (1 mm) and 1,000 cm (10 m). Because higher
resolution images mean larger file sizes, plan on SAMM taking more time to export images of
higher resolution.
9.4.4 Background color
SAMM allows the user to set the background color of the exported GeoTIFF image to either
transparent or desired color, or to use the background image/chart. GoogleEarth export always
sets the background to transparent.
9.4.5 Export Tutorial
This brief tutorial demonstrates how to export a mosaic file.
1. Be sure that you are in post-processing mode. Click the Add Data icon with red x to exit
from acquisition or playback mode.
2. Arrange the swaths with the clearest images on top (click and drag from the Swath list-
see Section 7.2).
3. If you do not want to export the entire mosaic at once, pan and zoom in the mosaic
window until the window only shows the extent of the mosaic for export.
4. Click the Export icon.
The Export Dialog displays.
5. In the Folder field, change the path of the file by clicking the folder button. In the Export
window, navigate to the desired folder and enter the file name. Click Save.
6. From the file format dropdown, choose GeoTIFF, Tiled GeoTIFF(s) or Google Earth.
7. In the Extents (visible swaths) field, choose either Current view or Entire survey.
8. In the Resolution field, set the desired resolution.
9. In the Background color field, select either Transparent or Color. If Color is selected,
click on the color button to set the background color.
10. Click Export.
SAMM function is halted while it builds the export file.
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