How to download a selected data file:

The Sidescan Sonar Field Data
The Navigation Data

The Sidescan Sonar Field Data

The sidescan sonar data files are binary encoded and cannot be viewed directly. The files are cross referenced on the available sidescan sonar field data listing to allow ease in locating and downloading selected files. To download a selected file, the user may follow these steps utilizing NCSA's Mosaic. The steps required to download a data file utilizing a different WWW client may differ slightly. See the notes below if downloading a data file with Netscape ©.
  1. Locate the name of the desired file from the sidescan sonar field data listing. DO NOT CLICK ON THE FILENAME AT THIS TIME.
  2. Select Options from the menubar. This will cause the drop down Options menu to be displayed.
  3. select Load To Local Disk from the Options menu. This is done by depressing the radio button next to the menu description. After this the drop down menu should be removed.
  4. Now, select the requested file by pointing to the filename and "clicking" on the selected name with the mouse.
  5. When prompted, enter the directory and filename of where to store the selected file. The sidescan sonar data file will then be transferred from the CD-ROM to the local disk file.

Downloading a selected file with Netscape ©

To download a selected data file while using the Netscape browser, the user need only select the desired file by placing the system pointer on the file name from the data list and pressing the right mouse button. This will display a pop-up menu from Netscape. The user should drag the mouse to highlight "Save this link as ..." and release the mouse button. Netscape will then prompt the user to specify the name and location of where the selected data file should be saved.

REMEMBER: The sidescan sonar data files are binary encoded and cannot be viewed directly. Attempts to view the files in a text window will result in an blank window being displayed. The sidescan sonar data listing with cross-references to the data files is simply to aid the user in identification and downloading of desired files.

The Navigation Data

The navigation data is stored on the CD-ROM as an ASCII file and may be viewed by clicking on NAVIGATION DATA from the The Data Page. Once selected and viewed, the user may scroll through the data file using the selected WWW browser.

To download the navigation data from CD-ROM the user has two options. First, he or she may follow the steps described above for downloading the sidescan sonar data. A second method of downloading the navigation data is available when viewing the data file in the text window. The user may then select the Save As option from the pulldown menu from the File option located on the menu bar. When prompted, the user may then enter the directory and filename of where the data file will be stored on disk.

Go to the data page.

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