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Questions tagged [leap-motion]

Leap Motion is a company developing advanced motion sensing technology for human–computer interaction.

Leap Motion is a technology for tracking the in-air movement of both hands and all 10 fingers. The Leap Motion Controller is produced either as a standalone USB device for PC, Mac or Linux or as an embedded module.

API/developer details

Leap Motion provides an open and free SDK for developers. Native extensions are supported for C++, C# and Unity, Python, Java and Objective C. Web development is supported by the JavaScript API.

The APIs for the Leap Motion Controller provide ways for obtaining the position and velocity of fingers and hands within the view of the device.

Useful Links to Developer APIs

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Make Leap Motion Mouse Run in the Background(Java)

I wrote a code for a leap motion enabled mouse. the program is running how i want it too, however, as soon as eclipse is not on top of my desktop (like if i minimize the window or open google chrome or something like that) i cant use the leap…
user3527058
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WPF retrieve leap info from different class

The quick version of my problem is that WPF does not accept variables from a different thread. error message: An unhandled exception of type 'System.InvalidOperationException' occurred in WindowsBase.dll Additional information: The calling thread…
Danahi
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Why is Unity (4.6.2f1) crashing when using Leap Motion components

I am working on a Unity project using the Leap Motion. I have upgraded Unity to the last version (4.6.2f1) and now it instantly crashes when I use the Leap Motion plugin ( Leap Motion V2 Skeletal Tracking ). For instance, if I create an empty…
Léo D.
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motion leap - swipe detection not working

@Override public void onFrame(Controller arg0) { Frame frame = arg0.frame(); for (int i = 0; i < frame.gestures().count(); i++) { Gesture gesture = frame.gesture(i); if (gesture.type() !=…
Boldijar Paul
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Communication between Java Swing Application and Leap Motion Listener

I want to know how I can do a communication between the Java Swing Application and between my leap motion listener. Because I want that in my application when I click on a button I can change a number with the number of finger see by the leap…
Quentin T.
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Difference between Leap motion Gesture types

Is there any difference between these two Leap.Gesture.GestureType values? If there isn't any, then why they are written twice?
Protect Life Save Forests
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Visualize un-distorted images received from the Leap motion cameras using OpenCV

I want to use OpenCV to visualize undistorted images, obtained after correction of raw images taken from Leap Motion cameras; according to the documentation, https://developer.leapmotion.com/documentation/cpp/devguide/Leap_Images.html the following…
Lorenzo C.
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Refreshing the frame coming from the Leap Motion when in a while loop

I have just begun programming in JS for the Leap Motion. I am working on a project where I can control motors based on hand gestures that are being read from the Leap Motion. The frames are being parsed and then commands are being sent to the motors…
Matthew Bell
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how to chage media soures by using sceentap gesture?

I want to change media source and restart mediaplayer in javafx by using leap motion gesture. how to decribe screentap gesture case in LeapListener for restart mediaplayer? hot to change media source by using swipe gesture? and is there anything…
nalimdark
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ClassNotFoundException & NoClassDefFoundError (Why??)

I want to make Cytoscape Simple App(It is like a Plug in Program). So I should make a .jar file, and install it in Cytoscape Program. My problem is the following: I'll show you 2 cases. There are 6 classes(A,B,C,D,E,F), and 2 .jar file(that…
DAESEONG KIM
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Data pre-processing with Leap Motion

Does the Leap Motion device perform any filtering on the measurements it takes before constructing a frame? In other words, are extreme values in the Leap's measurements smoothed out before being presented to the developer?
rafafan2010
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Stream Leap Motion Actual Camera Feed

Is there a way to stream (in JS preferably, but any language would do) the actual infrared camera video feed from the Leap Motion? The demo seen at 0:52 here seems to show that the device can provide more data than just a skeleton of points, and I'd…
Freddy Tuxworth
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How should one go about maintaining leap motion's listener frame callback with python tkinter's mainloop?

How should one go about maintaining leap motion's listener frame callback with python tkinter's mainloop? The controller's constant callback happens at the same time as Tkinter's mainloop. also: 1) Is this called multi-threading? 2) What gui do you…
user3431429
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Connecting Leap And QT Togther

after long long search over the internet i did not found any reason able solution to my problem which is that: i have an application that record the user finger movement on demand, (when the user pressing r its start to record when the user press…
whIsrael
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VBA + Leap Motion + Dll

Im an amateur VBA programer, and I need some help. I need get VBA to work with Leap Motion Controler API (I want it to do simple controls) , but I dont have idea how. I tried add references to Leap.dll, but got error ("Can't add a reference to the…
Kotey
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