9 Replies Latest reply on Mar 31, 2011 2:58 PM by f9j3uw

    Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing

    jc111903a
      I am currently investigating whether it is possible to bring side scan sonar image data from Hummingbird fishfinders into a GIS format to allow them to be mosaic-ed or georeferenced.  Has anyone had any luck doing this or even tried?

      Brad Duncan
        • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
          bharold-esristaff
          Hi Brad

          Can you supply sample data and/or a technical description of it?

          Regards
          • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
            f9j3uw
            Hi Brad,

            SonarTRX and SonarTRX-SI are two software products that generates geo-referenced images from sonar files.
            World files and prj files are generated for each image tile, so they can be imported.

            - SonarTRX-SI supports Humminbird Side Imaging (SI) sonars.
            - SonarTRX supports Humminbird and other sonar file formats such as XTF(, including Lowrance XTF), and Imagenex (Yellowfin & SportScan)

            If you do a Google search for "SonarTRX kayak" you should find many links to an article and a YouTube video written by a British user. There is also an Australian user who wrote about it on the hobiecat forum:

            http://www.hobiecat.com/forums/viewtopic.php?f=71&t=33777


            For anyone interested in this, please get in touch, and I can send sample images.


            Best Regards,

            Tore

            Email: tore@SonarTRX.com
            Web: www.sonartrx.com
            • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
              jc111903a
              I will pull some data out this weekend and get it to you.  Thanks bruce.  Although the data is linked contain GIS locations, I want to be able to overlay multiple search lanes in GIS, and the data does not currently appear to be exportable to this format nor currently georeferenced.

              Thanks again

              Brad

              Hi Brad

              Can you supply sample data and/or a technical description of it?

              Regards
              • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
                jc111903a
                Thanks Tore

                That certainly looks very interesting! Does the software allow you to export to a geotiff format for use in a GIS environment (eg ARCGIS or ARCView??

                Brad

                Hi Brad, 

                SonarTRX and SonarTRX-SI are two software products that generates geo-referenced images from sonar files. 
                World files and prj files are generated for each image tile, so they can be imported. 

                - SonarTRX-SI supports Humminbird Side Imaging (SI) sonars. 
                - SonarTRX supports Humminbird and other sonar file formats such as XTF(, including Lowrance XTF), and Imagenex (Yellowfin & SportScan) 

                If you do a Google search for "SonarTRX kayak" you should find many links to an article and a YouTube video written by a British user. There is also an Australian user who wrote about it on the hobiecat forum: 

                http://www.hobiecat.com/forums/viewtopic.php?f=71&t=33777


                For anyone interested in this, please get in touch, and I can send sample images. 


                Best Regards, 

                Tore 

                Email:   tore@SonarTRX.com
                Web:   www.sonartrx.com
                • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
                  f9j3uw
                  Hi Brad,

                  SonarTRX-SI currently saves to PNG or Tiff (not geotiff), but will produce a world file and prj file for each image. A generated png image tile would include the image file itself and optional coordinate system/projection files:

                  image.png

                  ----if prj/world file option is turned on:
                  image.pgw
                  image.prj

                  ----if Manifold GIS coordinate system option is turned on:
                  image.xml

                  ----if Fugawi ENC option is turned on:
                  image.jpr


                  The ellipsoid is WGS-84, and there are two projection options:

                  - Local Transverse Mercator for each image tile (i.e. The world file is in meters relative to a reference point on the tile, as defined in the prj file's projection)

                  - Geodetic (i.e. The world file is in degrees, relative to 0 deg. North, 0 deg. East)

                  I hope this helps.


                  Best Regards,

                  Tore
                  tore@sonartrx.com

                  www.sonartrx.com
                  • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
                    jc111903a
                    Hi Bruce

                    Do you have an offline email address that I can send this to? 

                    Thanks

                    Brad

                    I will pull some data out this weekend and get it to you.  Thanks bruce.  Although the data is linked contain GIS locations, I want to be able to overlay multiple search lanes in GIS, and the data does not currently appear to be exportable to this format nor currently georeferenced.

                    Thanks again

                    Brad
                    • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
                      f9j3uw
                      Thanks Tore 

                      That certainly looks very interesting! Does the software allow you to export to a geotiff format for use in a GIS environment (eg ARCGIS or ARCView?? 

                      Brad


                      Hi Brad,

                      Please let me know if you would like to get a license for SonarTRX.

                      You can also send sample sonar recordings, if you prefer to see sample output from the program.
                      (The resulting raster images imports fine into ESRI products.)

                      support@sonartrx.com
                      http://www.sonartrx.com
                      • Re: Hummingbird (Fishfinder) sidescan sonar mosaic / georeferencing
                        ssires
                        Hello Bruce and Brad. I too have a Humminbird 997c SI and use it to collect SONAR data in Belize. I have successfully used the freeware HumViewer to view our collected files (.SON). We can, with HumViewer, see the GPS track, the cross section of the intensity and the rendering of the scrolling image. We can also export CSV with data necessary to apply the IDW raster interpolation in order to create an awesome sea floor surface.

                        However, I want to also export a variable for each sonar point (2 million thus far) so that I can create another raster surface of the intensity. And I would like to drape the imagery over the sea floor surface as well.

                        Thanks in advance for any reflections.
                        Scott
                        J. Scott Sires
                        Geospatial Technology Program
                        Professor & Coordinator

                        Brookhaven College
                        Ellison Miles Geotechnology Institute
                        3939 Valley View Lane
                        Bldg. H, H-115
                        Farmers Branch, Texas, 75244

                        972-860-4362

                        ssires@dcccd.edu
                        www.brookhavencollege.edu/emgi
                        www.dcccd.edu/gis