Brunton Multi-Navigator Especificações descarregar pdf (Página 236)

the file name of the .hgt file as it is used to position the dem.

Place the file in the "Globe (Arcview)" Elevation Data folder.

OziExplorer must be configured to use SRTM data by configuring the use of

Globe Data in

Elevation Configuration

(see the Help file for details). If you

have not configured this path then you must do that before the height data will

be used.

If you no longer want the original .zip then you can delete it manually using

windows explorer.

NGA

(NIMA)

DTED

NGA (NIMA) DTED is a global Digital Terrain Elevation Database (DTED)

provided by the National Imagery and Mapping Agency (USA) with a horizontal

grid spacing of 30 arc seconds (approximately 1 kilometer).

The NGA DTED data can be downloaded from the NGA Raster Roam page here

NGA DTED Data

for most of the World. (Free download)

Downloading

When you open the web page you will see a map of the World with many

options.

In Desired Product Level, select "DTED Level 0".

Click on the image at the required Lat/Lon and wait for the next page to be

displayed, centered on these coordinates.

Go to the

Raster Exporter

section at the

bottom of the page

If necessary, change the coordinates in the boxes showing the "bounding

rectangle" to adjust the selected area.

There is a limit on the amount of data you can download at one time.

When you have the area selected, click on the

Raster Exporter

button.

The data file will be compiled and the "Raster Roam Requested Download

File" web page with the file download link.

Click on the link and Save the file to a folder on your hard disk.

It is suggested you download the files to a folder called \Elevation Data\DTED

located under the folder where OziExplorer is installed.

Using the Data

The files have a .zip or .tar extension indicating they are a compressed file. A

program called

oziUnGzip.exe

is supplied with OziExplorer3D which can

uncompress these files. If you want to use Winzip to uncompress tar files you

must turn OFF the smart carriage return linefeed conversion otherwise the data

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