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Questions tagged [google-project-tango]

Google Project Tango is a hardware and software platform which brings 3D environmental sensing to Android devices. This tag should be used only on questions that are about Google's Project Tango features or Project Tango SDK technical issues. The tag [tango] should be used to ask about the library written in the "D" programming language.

Google Project Tango was deprecated on March 1st, 2018. Google is continuing AR development with ARCore (developers.google.com/ar), a new platform designed for building augmented reality apps for a broad range of devices without the requirement for specialized hardware.

Google Project Tango is a hardware and software platform which brings 3D environmental sensing to Android devices. It offers six degree of freedom motion tracking, area learning, and depth perception capabilities.

Project Tango technology gives a mobile device the ability to navigate the physical world similar to how we do as humans. Project Tango brings a new kind of spatial perception to the Android device platform by adding advanced computer vision, image processing, and special vision sensors.

Google renamed the product from "Project Tango" to simply "Tango" as the official product name on June 9, 2016.
Note that this tag should be used only on questions that are about Google's Project Tango features or Project Tango SDK technical issues. The tag should be used to ask about the library written in the "D" programming language.

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Occlusion in Tango AR Camera

I have a simple Tango Unity app which uses the Tango AR Camera prefab to display a 3D object in augmented reality. Following this question, I wanted to try out the occlusion feature provided by TangoARScreen. Therefore I have: checked the "Enable…
sdabet
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Area learning after Google Tango

Area learning was a key feature of Google Tango which allowed a Tango device to locate itself in a known environment and save/load a map file (ADF). Since then Google has announced that it's shutting down Tango and putting its effort into ARCore,…
sdabet
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How do I export Point Cloud Data (Project Tango)?

Just got a Project Tango Development Kit tablet and have worked through some of the demos and examples. Some older blog posts use the log files from a "Tango Mapper" application that should be preloaded on the device. Interactive Visualization of…
caspertm
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Using the onFrameAvailable() in Jacobi Google Tango API

Question: Does anyone know how to get the Tango's color camera image buffer using the Tango Java (Jacobi) API onFrameAvailable() callback? Background: I have an augmented reality application that displays video in the background of the Tango. I've…
henderso
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Project Tango onPoseAvailable() and getPoseAtTime() discrepancies

I am seeing significant discrepancies between the poses from the onPoseAvailable() callback and Tango.getPoseAtTime(). I wrote a test program where in onPoseAvailable() I logged the delivered pose and used getPoseAtTime() to request the pose using…
rhashimoto
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Can ARCore be used to measure object, room, structure or distances between points in an area that aren't in the same frame?

I understand that the below quote is very correct for the Project Google Tango: By combining Depth Perception with Motion Tracking, the device can measure distances between points in an area that aren't in the same frame. Based on the above, below…
Anurag Singh
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Running the Tango API displays a warning dialog on the library

I am developing AR application by Tango. The device is ZenfoneAR (Android 7.0 Nougat). I improved the sample project and developed an application. However, when launching the application, the following warning message will be displayed. Dialog…
Tadashi
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What is the Project Tango lens distortion model?

The Project Tango C API documentation says that the TANGO_CALIBRATION_POLYNOMIAL_3_PARAMETERS lens distortion is modeled as: x_corr_px = x_px (1 + k1 * r2 + k2 * r4 + k3 * r6) y_corr_px = y_px (1 + k1 * r2 + k2 * r4 + k3 * r6) That is, the…
rhashimoto
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why ARCore Supported device Limited?

what makes the ARCore supported device supports ARCore? Which Features Makes This Device Support ArCore? What is difference between ARCore Device And Other non Supported Device?
Sunny Sommanek
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Marker based initial positioning with ARCore/ARKit?

problem situation: Creating AR-Visualizations always at the same place (on a table) in a comfortable way. We don't want the customer to place the objects themselves like in countless ARCore/ARKit examples. I'm wondering if there is a way to…
user2463728
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Vuforia + Project Tango

I managed to integrate both the Tango SDK and Vuforia into my Unity project by mergin the two versions of the AndroidManifest.xml. My Vuforia Camera Prefab is a child of the Tango Delta Camera Prefab and is set up, so that it should be the center of…
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MediaCodec.dequeueOutputBuffer taking very long when encoding h264 on Android

I'm trying to encode h264 video on Android for real-time video streaming using MediaCodec but dequeueOutputBuffer keeps taking very long (actually it's very fast sometimes but very slow at other times, see log output below). I've seen it go even up…
t2k32316
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Unity camera not moving

I'm trying to get started with Google Tango for Unity by following this tutorial: https://developers.google.com/project-tango/apis/unity/unity-prefab-motion-tracking But when I build and run my project, the gyroscope doesn't seem to work and the…
Mister Happy
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how to color point cloud from image pixels?

I am using google tango tablet to acquire point cloud data and RGB camera images. I want to create 3D scan of the room. For that i need to map 2D image pixels to point cloud point. I will be doing this with a lot of point clouds and corresponding…
david
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Is there any way to access tango pointcloud camera image pixels in Java

So I know about setSurface, and have no problem using it as an overlay or whatever - its on a surfacecontrol. That said, I am stumped about getting pixel data 1) I've tried everything I can think of (the control, the root, etc) to use the drawing…
Mark Mullin
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