Nasa World Wind used with Multitouch

The last 2 days I’ve been working on a new application (or actually a plugin) which controls Nasa World Wind. This is the result 🙂 * update: 23 november 2007 * Using the plugin on my multitouch table (diffused illumination) [...]

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Multitouch Puzzle & Beamer Latency Issues

Last weekend I worked on a new flash application which is called the ‘Multitouch Puzzle Game’. This game is a tile based puzzle game which let users solve the puzzle by mouse or solve the puzzle with multitouch (collaborative puzzle [...]

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Two new howto’s added to the article section

I’ve posted two Howto’s on compiling touchlib in Windows (XP and Vista) and Linux (Ubuntu). Howto: Compile Touchlib in Windows Howto: Compile Touchlib in Linux Both compile instructions apply to subversion rev.73 of touchlib. If you followed the Howto’s and [...]

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MMA Pro

I have made a special version of MMA which uses the Adobe Integrated Runtime (AIR) technology. It now supports adding images on-fly. Just connect your digital camera by using your usb transfer cable (or if you have a memorycard reader [...]

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MMA update

Yesterday I looked into (ab)using google maps to use with the MMA. Because I did not felt like implementing an entire tile engine myself I looked around on Google and found this actionscript project: Google Maps API opensource. However this [...]

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Multitouch Media Application v2 Release

Last weekend I code a keyboard in actionscript and added it to the Multitouch Media Application. At this moment you will only be able to type text into the yellow square. Due some bug in touchlib/TUIO the shift button won’t [...]

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Multitouch Media Application Released!

Since the start of my project, I wanted to do a multi-touch media application which could be used for organizing photos and videos. I started my first attempts with using the languages C++ and OpenGL. However this was more difficult [...]

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Touch Tracer v0.2.1 release

Not much new, just some minor bug fixes, improvements and compatibility fixes for the latest touchlib (rev. 61). Download: I’ve included a Windows binary and the source code of touch tracer for Linux users.By using the included Makefile you should [...]

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Rear illumination and surface computing

Last week Microsoft presented their implementation of a multi-touch screen. They decided to create it in the shape of a coffee table. Examples of applications can be found in the following video: http://www.youtube.com/watch?v=-9j_tYP-kzc More movies are available on the official [...]

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Multitouch Windows XP?

If you take a look at multitouch videos on Youtube, most of them are related to photo manipulation.These demo movies show the possibility of scaling, rotating and translating multiple photos at the same time. A few days ago I created [...]

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Touch Tracer v0.2 release

Last week I managed to get touchlib compiled under Ubuntu Linux (thanks Xvarg). While bug fixing and updating my touch tracer source code, I also tried to compile it in Ubuntu. Since I am not a linux guru, getting the [...]

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It’s alive!

It works! After the last blog not much had to be done about the FTIR screen. Actually I only used some tape to hide the wires on the sides. With all LED’s in place and the frame being placed on [...]

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Let there be light

In this final step of building the FTIR prototype I will cover the soldering of LEDs. In my previous blog post I already calculated that 30 LED’s would be enough to cover the entire plate. As power source for my [...]

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Aluminum frames

Inspired by other FTIR prototypes I decided to use an aluminum frame. The main reasons for are because its cheap and strong. Before actually working on the frame, I made a drawing in AutoCAD. Within this drawing I could easily [...]

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One acrylic plate, one afternoon and one tired arm

The FTIR prototype which I am building will be using an acrylic plate which will be mounted in a frame. I tried to maintain the aspect ratio of a regular screen (4:3). The size of the plate is 41 x [...]

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Enjoy the view

For the past several days, I have received parts for constructing my touchscreen prototype which is based on Frustrated Total Internal Reflection (FTIR). Today I will cover how the lens of the Philips webcam can be dismounted and replaced by [...]

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