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Howto:Place 3D objects with the UFO: Difference between revisions
command keys are lower case; don't work if done in upper case.
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The [[UFO from the 'White Project' of the UNESCO|UFO]] aircraft is a superb tool for placing a new (or old) 3D object at any arbitrary location in the scenery with just a few clicks of the mouse. | The [[UFO from the 'White Project' of the UNESCO|UFO]] aircraft is a superb tool for placing a new (or old) 3D object at any arbitrary location in the scenery with just a few clicks of the mouse. | ||
Placing objects in the scenery is a really easy way to contribute to the FlightGear project. It doesn't require any programming knowledge, and you can contribute something valuable in 15 minutes. | Placing objects in the scenery is a really easy way to contribute to the FlightGear project. It doesn't require any programming knowledge, and you can contribute something valuable in 15 minutes. | ||
Below is an overview of placing, editing, & saving objects using the UFO. You can get a brief overview of the movement and editing commands by pressing ''?'' while flying the UFO. | |||
==Choosing your object== | ==Choosing your object== | ||
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a) Save it in the directory Flightgear/data/Models/. That is the standard directory where the UFO will go when you press the Space bar. Let's say you have created a CAT III marker, called catii-iii.xml. In this example, we create a subdirectory Flightgear/data/Models/Tabu/ and save our catii-iii.xml there. The downpoint: The directory Flightgear/data/Models/ is the place where all shared models from the FG Scenery Database are saved and as your universe of own models grows, you might confuse both. | a) Save it in the directory Flightgear/data/Models/. That is the standard directory where the UFO will go when you press the Space bar. Let's say you have created a CAT III marker, called catii-iii.xml. In this example, we create a subdirectory Flightgear/data/Models/Tabu/ and save our catii-iii.xml there. The downpoint: The directory Flightgear/data/Models/ is the place where all shared models from the FG Scenery Database are saved and as your universe of own models grows, you might confuse both. | ||
b) You can also save your own models in an other subdirectory like Flightgear/data/mymodels (or any other name). Or if they are shared models which have only one fixed position, like the KSFO terminal, you can save them in the respective subdirectory of the Scenery folder, e.g. Flightgear/data/Scenery/Objects/w130n30/w123n37/mymodels (or directly in w123n37). To browse objects anywhere on your computer, press | b) You can also save your own models in an other subdirectory like Flightgear/data/mymodels (or any other name). Or if they are shared models which have only one fixed position, like the KSFO terminal, you can save them in the respective subdirectory of the Scenery folder, e.g. Flightgear/data/Scenery/Objects/w130n30/w123n37/mymodels (or directly in w123n37). To browse objects anywhere on your computer, press ''l'' when using the UFO. | ||
If creating your own object, make sure it is the correct size! In Blender, units are meters and the Caliper script may help. Note that you should not use Google Earth to determine the correct size. See [http://flightgear.org/forums/viewtopic.php?f=5&t=3356 here] and [http://flightgear.org/forums/viewtopic.php?f=5&t=3415 here]. | If creating your own object, make sure it is the correct size! In Blender, units are meters and the Caliper script may help. Note that you should not use Google Earth to determine the correct size. See [http://flightgear.org/forums/viewtopic.php?f=5&t=3356 here] and [http://flightgear.org/forums/viewtopic.php?f=5&t=3415 here]. | ||
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You want to delete an obkect that is already saved in the corresponding .stg file and you don't know where it is: | You want to delete an obkect that is already saved in the corresponding .stg file and you don't know where it is: | ||
: You don't know the filename: The model you want to delete is probably a shared model. You find it in the [http://scenemodels.flightgear.org/ scenery database]. Now you know the model's file name (e.g. [http://scenemodels.flightgear.org/modeledit.php?id=45 generic_skyscraper_01.ac] or [http://scenemodels.flightgear.org/modeledit.php?id=537 Office26x22.xml]). | : You don't know the filename: The model you want to delete is probably a shared model. You find it in the [http://scenemodels.flightgear.org/ scenery database]. Now you know the model's file name (e.g. [http://scenemodels.flightgear.org/modeledit.php?id=45 generic_skyscraper_01.ac] or [http://scenemodels.flightgear.org/modeledit.php?id=537 Office26x22.xml]). | ||
: You still need to know where you find it. Place any model on that building and press | : You still need to know where you find it. Place any model on that building and press ''d'' to know in which file you find it (see [[#Exporting the result|Exporting the result]] below). If there are several objects of that type and you want to delete only one of them, find the one closest to the coordinates of your model placed on top. | ||
: Open the .stg file, delete the whole model entry (see [[#Exporting the result|Exporting the result]] below). Done. | : Open the .stg file, delete the whole model entry (see [[#Exporting the result|Exporting the result]] below). Done. | ||
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==Saving to XML== | ==Saving to XML== | ||
Alternatively, if you press the | Alternatively, if you press the ''e'' key while developing scenery with Ufo, fgfs will generate an xml file with the dump of your current work in a "ufo-model-export.xml" file. | ||
Under unix the file is saved to ~/.fgfs and under windows it is saved to %APPDATA%\flightgear.org | Under unix the file is saved to ~/.fgfs and under windows it is saved to %APPDATA%\flightgear.org | ||