Instructions for using the free version of OasisMontaj, by Geosoft

To display a grid on the screen as a color image:
1. On the "File" menu, click "Project", then click "New"
2. Browse to the folder with downloaded files and specify a name for the project in 
   "File Name:" box.
3. Click "Save" button.
4. On the "Grid" menu, click "Display grid". The "Place a grid on a map" dialog box
   is displayed.
5. Select a grid using the "Browse" button, select map options, then click "New Map"

To display a grid on the screen as a color-shaded grid image:
1. Steps 1 & 2 above
2. Pull down "GX" menu, select "Run GX"
3. Browse gx selections, choose "gridimgs.gx", click "open", then "OK".
4. Select parameters in the "color-shaded grid image" dialog box, then click "New Map"

To convert a grid to another format:
1. Steps 1 & 2 above
2. Pull down "grid" menu, select "Copy/convert grids"
3. Browse for "input grid file", select the Geosoft grid
4. Enter "Output Grid File" name
5. Click browse and in next window select format type with "Save as type" pulldown 
   arrow, click "save", then "OK".

To download free regional aeromagnetic, gravity, DEM, coastline, or rivers data from Geosoft's DAP server:
1. Steps 1 & 2 above
2. Open an existing map from the "Map" menu
3. Pull down "DAP" menu and select "Get DAP data..."
4. Click "Authorize" button. The "Get DAP Data" dialog will be displayed.
5. Select the data you wish to download (e.g. Coastlines) and click the "Get Data"
   button. The "DAP Data Options" dialog is displayed.
6. Use this dialog to specify the parameters for your data. For more information on the
   data options, click the "Help" button.
7. Click "Authorize" button.
8. Click "Exit" when done.