Oceanic SAMM User Manual
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Contents
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SAMM User Manual919.4.2 ExtentsThe user may elect to export the visible extent of the mosaic, the entire survey or some userspecified 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 ResolutionThe resolution can be set between 0.1 cm (1 mm) and 1,000 cm (10 m). Because higherresolution images mean larger file sizes, plan on SAMM taking more time to export images ofhigher resolution.9.4.4 Background colorSAMM allows the user to set the background color of the exported GeoTIFF image to eithertransparent or desired color, or to use the background image/chart. GoogleEarth export alwayssets the background to transparent.9.4.5 Export TutorialThis 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 exitfrom 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 mosaicwindow 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 Exportwindow, 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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