Category Archives: File Formats

Airport Authoring: Airport Boundaries

Since X-Plane 8.50, airports have had a border polygon that defines the boundary of the airport surface area. The airport boundary polygon is probably the least understood aspect of airports, particularly because it takes effect when we cut DSFs, not … Continue reading

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Posted in File Formats | 16 Comments

The Library: Public, Private and Deprecated

10.25 is coming along well; if nothing really bad happens, we should have a beta either for this weekend or next Tuesday.  There are just a few remaining bugs left. I’ve been looking through the collection of submitted lego brick … Continue reading

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Posted in File Formats, Scenery | 11 Comments

DSF Mesh Formats – v9 vs v10

Tom asked a good question in the comment section of a previous post: what is the difference between DSF mesh formats for v9 and v10.  Here’s the story: Mesh: In X-Plane 8 and 9, the terrain mesh is stored as … Continue reading

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Posted in File Formats, Scenery, Tools | 31 Comments

WED: WED’s Export Dies

Why the nerdy recursive acronym for WED?  Sometimes the data just stares you in the face. I spent an hour today doing inventory on the build-up of WED bugs. That’s a screenshot of one of my bug screeners for the … Continue reading

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Posted in File Formats, Scenery, Tools | 15 Comments

The X-Plane 10 Beta Library is Not Stable!

I have blogged before about the importance of not shipping products that target beta builds of X-Plane, and the importance of waiting to the end of beta for file formats to settle down. This also applies to the library! While … Continue reading

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Posted in File Formats, Scenery | 7 Comments

New OBJ Commands

I have updated the OBJ8 specification with the new X-Plane 10.10 commands.  This blog post explains why we added some of these commands. Pixel-Space Drag Manipulator The pixel-space drag manipulator is a new axis manipulator whose drag length is measured … Continue reading

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Posted in Cockpits, Development, File Formats, Modeling | 11 Comments

Manipulators and the Scroll Wheel

One complaint we hear a lot from tech support is that the 747 knobs are hard to control in the 3-d cockpit.  Javier and I did some investigation into this; this post describes what we found, what we are changing, … Continue reading

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Posted in Aircraft & Modeling, Development, File Formats | 78 Comments

What’s New in OBJects?

I finally finished up an update to the OBJ8 specification, as well as the forest specification – see here for the documents.  These specifications are mostly of interest only to developers who are working on scenery exporters. The OBJ specification … Continue reading

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Posted in Development, File Formats, Modeling, Scenery | 31 Comments

When Are We Going To Get High? The Plan For Cities

I realized the other day that while Chris and I have discussed cities with a bunch of people, I left out the city plan from my series of “road map” blog posts a while back. The picture on the right … Continue reading

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Posted in Development, File Formats, Scenery, Tools | 45 Comments

Three Kinds of Optimization

I spent a few hours last night working on X-Plane’s facade engine – that is, the part of X-Plane that builds buildings, fences and structures from their shape traced on the ground.  Besides fixing some v9 compatibility bugs, I had … Continue reading

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Posted in Development, File Formats, Scenery | 15 Comments