Brunton Multi-Navigator Especificações descarregar pdf (Página 241)

This will present you with a list of files which cover the region, to save

download time only download the compressed files.

It is suggested you download them to the \Elevation Data\USADem24 folder

located under the folder where OziExplorer is installed.

Using the data

The files have a .DEM.SDTS.TAR.GZ extension indicating they are a Gzip

compressed file. The files are also in the SDTS format, for OziExplorer to use

them they must be in the DEM format. A program called

oziUnGzip.exe

supplied with OziExplorer3D which can :

uncompresss the files

extract the files from the TAR file

convert the SDTS files to a DEM file

the TAR and SDTS files are automatically deleted after being converted

Run the

oziUnGzip

program and select the .gz file (or files) you want to

extract, they will be extracted to the same folder as the .gz file.

If you no longer want the original .gz file then you can delete it manually

using windows explorer.

The uncompressed USA Dem 24K data files must be placed in the

USA DEM

24K

path that you have configured OziExplorer to point to in

Elevation

Configuration

(see the Help file for details). If you have not configured the

USA DEM 24K path then you must do that before the height data will be

used.

After adding new height data files to OziExplorer you must restart

OziExplorer or go into Elevation Configuration and press the

Save

button to

force the new files to be scanned.

SRTM

This should be the best data to use for Australia.

The data that has been released is 3-

arc

second (approximately 90 meter grid).

See the instructions above in the "SRTM" section on how to use the data.

NGA

(NIMA)

DTED

Our testing shows that for Australia this data is much better than the

Gtopo30

and

the

Globe

data. (approximately 1 kilometer grid)

See the instructions above in the "World" section on how to use the data.

GTOPO30

Both the GTOPO30 and GLOBE data (

see World section above

) covers Australia.

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