Tag Archives: file formats

Plausible, Realistic, Procedural and Algorithmic

Alpilotx pointed me toward a thread on the org discussing Austin’s work on the weather system. The thread turned into a bit of a he-said-she-said with regards to Outerra and whether it could some day be combined with X-Plane. This … Continue reading

Posted in Development, File Formats, Scenery | Tagged , , , | 9 Comments

Curved Roads

At this point I can say with 99% confidence that X-Plane 10 will feature bezier curved roads. In X-Plane 9, a road is a line segment; you can simulate curved roads by using a lot of line segments, but the … Continue reading

Posted in Development, File Formats, News, Scenery | Tagged , , , , | 14 Comments

Draped Object Geometry in X-Plane 10

I have mentioned a few of the scenery engine features coming in X-Plane 10 that will be of interest to authors: global illumination, conditional parts of OBJs (to cope with variable rendering settings). There is another general feature coming that … Continue reading

Posted in Development, File Formats, News, Scenery | Tagged , , , | 8 Comments

Scenery Compatibility and Version 10

This is my expectation for scenery compatibility in X-Plane 10: Scenery based on DSFs, OBJs, and other version 8/9 file formats should work with X-Plane 10 unmodified. This includes orthophoto scenery based on DSFs – we’re not throwing that code … Continue reading

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Coping With Variable Rendering Options In X-Plane 10

X-Plane 10 will have rendering options for global illumination and global shadows. This leaves one question: what if the user has these features disabled? The plan for version 10 is this: the OBJ file format will have some extensions to … Continue reading

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Revisiting Texture Compression

For quite a while now, I have been advocating in favor of DDS compression. I am pretty damned obstinate, but eventually if enough people yell at me, I get a clue. I have come to appreciate that there are some … Continue reading

Posted in Aircraft, Development, File Formats, Modeling, News | Tagged , , , , | 3 Comments

X-Plane 10 and Global Illumination

Thanks to my foolish use of unprotected directories, we have basically announced that X-Plane 10 will feature global illumination. Here is some basic information on global illumination. What Is Global Illumination? Global illumination is the ability of any part of … Continue reading

Posted in Aircraft, Development, File Formats, Modeling, News, Scenery | Tagged , , , , | 5 Comments

Facade Tuning and Tips

I have updated some of the facade documentation on the wiki with new performance tips for using facades. A few quick notes: Your facades must be counter-clockwise (when viewed from above). Do not repeat the first point; X-Plane will “close” … Continue reading

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Moving the Scenery Site

We have Tyler working for us again for the summer (last summer he did a very nice and much needed rework of the X-Plane manual), and among his projects is cleaning up the mess that is scenery documentation. We are … Continue reading

Posted in Development, File Formats, Scenery | Tagged , , | 3 Comments

What is the Difference between ANIM_hide and ATTR_draw_disable?

In order to understand the difference between hiding geometry and disabling drawing, you need to understand that an OBJ triangle can serve many purposes. Broadly, those purposes are: Drawing (the most basic use). Collision detection, of which we have three … Continue reading

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