I bought a touchscreen monitor to use in my simpit a while ago. Unfortunately after that I noticed that X-Plane's external cockpits don't support any input - I can't press buttons and turn knobs using finger.
I almost got dismotivated by that but decided to do what any of us would do: write a plugin for X-Plane to support input from external apps and software to run my panel.
The plugin part lives inside X-Plane and starts a TCP server to get commands from. Currently it supports only reading and writing of datarefs (simulation variables) but button support is coming soon. The plugin's source code can be found at:
The panel, called ExtPlane panel is a "client" for ExtPlane plugin. It displays a 2D panel showing various instruments. It can read and write X-Plane's datarefs via ExtPlane and display any information on screen. Currently it's aimed for making sharp, antialiased scalable vector graphic displays (as opposed to X-Plane's bitmap based) but in future "anything" can be done. Instruments can be added, moved and removed using mouse just like in X-Plane's Plane Maker.
The panel is written in Qt, so naturally i wanted to see if it would run on my Nokia N900 cell phone. As you can see, it runs without any modifications. Also there are no wires - The N900 communicates with X-Plane over WLAN connection. On the left is a airspeed gauge and on the right a compass. Currently they are the only instruments available, but it's very fast to write new ones using the framework provided. The airspeed indicator is 40 lines of code and compass is 37. The instruments can have configuration UI so that for example you can set the units used in airspeed indicator. I'll probably soon write some "generic" instruments that can show value of any dataref, just like in X-Plane.
All instrument graphics are vector graphics so they can be freely scaled and rotated while keeping graphics crystal clear. You can run the panel in portrait or landscape mode, or even with any angle.
Sources for ExtPlane-Panel can be found at:
If you're not a developer and don't know how to build from sources, ExtPlane is not ready for you just yet. I'll need to add more instruments and do some more finishing until I'll start making binary releases for general public.
perjantai 10. joulukuuta 2010
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