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TerraGear GUI: Difference between revisions
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Explaining the elevation file range.
(Update to 0.9.0 release) |
(Explaining the elevation file range.) |
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Alternatively you can download shapefiles from [http://mapserver.flightgear.org/download.psp the mapserver by hand]. Unpack the downloaded file(s) to your <tt>{project's directory}/data/</tt>. | Alternatively you can download shapefiles from [http://mapserver.flightgear.org/download.psp the mapserver by hand]. Unpack the downloaded file(s) to your <tt>{project's directory}/data/</tt>. | ||
Elevation files are optional, but ofcourse required to generate scenery with elevation offsets (even flat countries like the Netherlands need elevation data, since a country isn't 100% at sealevel. Unpack the downloaded elevation file(s) in <tt>{project's directory}/data/SRTM-30</tt>. | ===== Elevation ===== | ||
[[File:HGT tiles example.png|thumb|An example of HGT file tiles.]] | |||
Elevation files are optional, but ofcourse required to generate scenery with elevation offsets (even flat countries like the Netherlands need elevation data, since a country isn't 100% at sealevel. Elevation data (in the form of HGT files) is somewhat tricky, as you have to download each single tile by hand. If your scenery has a boundary of: | |||
{| class="wikitable" | |||
! | |||
! Min | |||
! max | |||
|- | |||
! Latitude | |||
| 33 | |||
| 37 | |||
|- | |||
! Longitude | |||
| -2 | |||
| 2 | |||
|} | |||
The GUI would display the range as <tt>N33W002-N37E002</tt>. This means you have to download all tiles in that range, which are all the tiles as shown in the image on the right. | |||
Unpack the downloaded elevation file(s) in <tt>{project's directory}/data/SRTM-30</tt>. | |||
=== Elevation === | === Elevation === | ||