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The Gulf of the Farallones: Sidescan-Sonar Imagery, USGS Open-File Report 2004-1082
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GIS Data

3D Views

Three-dimensional image of sidescan-sonar and coastal relief data
Figure 7.Three-dimensional view of the sidescan-sonar and coastal relief image in the Gulf of the Farallones. (PDF version, 1.3 mb).
Interactive Visualization Systems (IVS) Fledermaus software was used to view the spatially referenced sidescan-sonar mosaic image within a three-dimensional view of the Gulf of the Farallones topographic data generated from the NGDC coastal relief model. These three-dimensional perspective files are saved in a 'scene' file. The Fledermaus software also enables the user to 'fly through' the study area, presenting unique perspectives, and again, improving data interpretation. IVS also produces a free viewer, iView3D, that will read files generated by the Fledermaus software, which is downloadable from the IVS Website.
    Fledermaus Scene and Movie Files:

      The following Fledermaus data files are stored within the ivs directory:

    • farallones.scene - 3-D perspective file containing sidescan-sonar mosaic image file and topography viewable with Feldermaus or iView3D
    • farallones.mpg - movie fly through of study area
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