GNOME ArcView 3.x Extension

You can use gnome.avx, a multifeatured ArcView extension, to view your GNOME trajectories in ArcView 3.x. (You also can use gnome.avx to input vector-based trajectory analyses in ArcView 3.x; however, performing this function requires additional software and specialized training.)

Downloading the Extension

1. Download gnome_avx.zip, the compressed version of gnome.avx, by clicking the link GNOME ArcView 3.x Extension, at right.
   
   The file is in zipped (compressed) format so that it can be downloaded from the Internet. It is self-extracting zip file, so look for the file, gnome.avx. (If you are using an operating system that doesn't automatically open the compressed file, you may need to use a decoding utility, such as WinZip or Stuffit Expander, to unzip the file.)

2. Drag the file, gnome.avx, into your ArcView extensions directory.

Using the Extension

First, create a GNOME output file set:

1. In GNOME, switch to GIS Output Mode (from the File menu, choose Preferences, click the Mode tab, then click GIS Output).

2. Create and run a spill scenario.

3. Save a set of output files. To do this, from the File menu, choose Save, then choose either:
   • NOAA Standard Splot Files (for GIS), to save only a single view of the spill at a single time and day.
     
   • NOAA Standard Splot File Series (for GIS), to save a series of successive views of the spill, at 1-hour intervals.

   In either case, save your file set into a new folder.

Then, view your saved trajectory in ArcView:

1. Start ArcView 3.x. From the File menu, choose Extensions, then check the GNOME Extension check box. You've now loaded the GNOME Extension into your project; you should see a GNOME icon on the view window toolbar.

2. Select the GNOME icon, then choose either:
   • "Import GNOME LEs (splots)," to import your GNOME file set into ArcView so that you can view your GNOME trajectory output in ArcView. You then can overlay your GNOME splots on your other ArcView themes or geo-referenced raster files, or use ArcView to view or query themes that you select.
     
   • "Create a layout for trajectory analysis view," to create a color, 8.5-by-11-inch standardized map showing your GNOME results, that you can print out.

All the GNOME files that you import into ArcView will be displayed using standard NOAA colors and terminology.

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