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Howto:Place 3D objects with the UFO: Difference between revisions
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A very useful tool for placing objects within the scenery, created by Melchior Franz, is available with Flightgear 0.9.10 and later. It is an addon to the UFO aircraft which allows a user to place a new (or old) 3D object at any arbitrary location in the scenery with just a few clicks of the mouse. | A very useful tool for placing objects within the scenery, created by Melchior Franz, is available with Flightgear 0.9.10 and later. It is an addon to the UFO aircraft which allows a user to place a new (or old) 3D object at any arbitrary location in the scenery with just a few clicks of the mouse. | ||
=Selecting the ufo= | |||
The first thing you need is a 3d model file to place in the scenery; let's say we'll use a catii-iii.xml object. You must save it in a path where this UFO feature can find it. The UFO searches the objects in the Flightgear/data/Models/ directory. In this example, we create a subdirectory called Tabu and save our catii-iii.xml there. | The first thing you need is a 3d model file to place in the scenery; let's say we'll use a catii-iii.xml object. You must save it in a path where this UFO feature can find it. The UFO searches the objects in the Flightgear/data/Models/ directory. In this example, we create a subdirectory called Tabu and save our catii-iii.xml there. | ||
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Now start Flightgear, and choose UFO as your aircraft. | Now start Flightgear, and choose UFO as your aircraft. | ||
=Placing objects= | |||
Once Flightgear has been started, fly with the UFO to the place you want the model to be positioned. | Once Flightgear has been started, fly with the UFO to the place you want the model to be positioned. | ||
[[Image:Placing_objects_with_UFO_html_5fa8d7b1.jpg]] | [[Image:Placing_objects_with_UFO_html_5fa8d7b1.jpg]] | ||
Let's say we want to position the catii-iii.xml object at the end of a taxiway. We stop the UFO just above this intersection and press the | Let's say we want to position the catii-iii.xml object at the end of a taxiway. We stop the UFO just above this intersection and press the space key, a Select Model window will open up where the contents of the Flightgear/data/Models/ directory will be shown. Select your model from this list, then close the window. The selected model path/name will be display in green text at the bottom left of the FlightGear screen. | ||
[[Image:Placing_objects_with_UFO_html_m184fb381.jpg]] | [[Image:Placing_objects_with_UFO_html_m184fb381.jpg]] | ||
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[[Image:Placing_objects_with_UFO_html_12ee70a1.jpg]] | [[Image:Placing_objects_with_UFO_html_12ee70a1.jpg]] | ||
=Rotating objects= | |||
Fly closer to the ground with the UFO, so that you can see it better. | Fly closer to the ground with the UFO, so that you can see it better. | ||
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[[Image:Placing_objects_with_UFO_html_439816e9.jpg]] | [[Image:Placing_objects_with_UFO_html_439816e9.jpg]] | ||
=Exporting the resoult= | |||
Now that the model is correctly positioned, press the D key to dump the model position data to the terminal. A few lines will be printed on the console, providing the necessary orientation data. You will save those coordinates into a scenery objects file in the next step. If you don't do that, next time you run Flightgear it will know nothing about the new object. | Now that the model is correctly positioned, press the D key to dump the model position data to the terminal. A few lines will be printed on the console, providing the necessary orientation data. You will save those coordinates into a scenery objects file in the next step. If you don't do that, next time you run Flightgear it will know nothing about the new object. | ||