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Earthview: Difference between revisions
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→Customization: bash script to download prepared data from "the easy way". And header formatting.
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=== Texture generation === | |||
There are two ways to obtain these textures: | There are two ways to obtain these textures: | ||
==== The easy way ==== | |||
When our resources allow for it, some users generate these textures and make them available for download. They may be obtained via torrent with this magnet link: | When our resources allow for it, some users generate these textures and make them available for download. They may be obtained via torrent with this magnet link: | ||
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and may also be available for download at this url: | and may also be available for download at this url: | ||
[https://curl.irmp.ucl.ac.be/~chris/upload/fg/earthview/ /earthview/] | [https://curl.irmp.ucl.ac.be/~chris/upload/fg/earthview/ curl.irmp.ucl.ac.be/~chris/upload/fg/earthview/] | ||
A bash script to download per-month data or symlink data from above url is available [http://ix.io/3obd here]. Run without options for help, edit the variables in the script for customisations. | |||
==== The interesting way ==== | |||
Most likely the easy way is no longer available, or you are curious. Chris_Blues made a wonderful Bash-script that will download the NASA images and do the texture generation for you, in the correct way. It is available on github, together with the instructions on how to use it: | Most likely the easy way is no longer available, or you are curious. Chris_Blues made a wonderful Bash-script that will download the NASA images and do the texture generation for you, in the correct way. It is available on github, together with the instructions on how to use it: | ||
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This program can generate world, clouds and normal maps with height data included in the alpha channel, and at various resolutions ranging from 1024x1024 to 16384x16384 pixels. | This program can generate world, clouds and normal maps with height data included in the alpha channel, and at various resolutions ranging from 1024x1024 to 16384x16384 pixels. | ||
==== Remarks ==== | |||
Notice that all the input images are provided by NASA and any usage of the textures should be made in accordance with their distribution policy. They are directly accessible for download at [http://visibleearth.nasa.gov/ Visible Earth], look into the Blue Marble section and search for a texture set of your choice. | Notice that all the input images are provided by NASA and any usage of the textures should be made in accordance with their distribution policy. They are directly accessible for download at [http://visibleearth.nasa.gov/ Visible Earth], look into the Blue Marble section and search for a texture set of your choice. | ||
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=== Installing and using customized textures === | |||
The texture tiles loaded by Earthview reside in | The texture tiles loaded by Earthview reside in | ||
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=== Open tips === | |||
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* You may also fancy textures from other celestial bodies, as for instance the Moon. Textures generator available here [https://github.com/eatdust/LROC2FGearthview LROC2FGearthview] and shaders there [https://github.com/eatdust/moonshaders moonshaders], see the original discussion on the forum [https://forum.flightgear.org/viewtopic.php?f=87&t=15754&start=375#p369043 viewtopic.php?f=87&t=15754&start=375#p369043]. | * You may also fancy textures from other celestial bodies, as for instance the Moon. Textures generator available here [https://github.com/eatdust/LROC2FGearthview LROC2FGearthview] and shaders there [https://github.com/eatdust/moonshaders moonshaders], see the original discussion on the forum [https://forum.flightgear.org/viewtopic.php?f=87&t=15754&start=375#p369043 viewtopic.php?f=87&t=15754&start=375#p369043]. | ||
== Implementation == | == Implementation == | ||