Questions tagged [augmented-reality]

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iOS - ARKit + Vuforia : Convert Vuforia Coordinates to ARKit Coordinates

I want to detect the marker using Vuforia and place a 3d object on it. From then I want to use the ARKit in my application. How do I know the ARKit world transform for the detected marker or 3d object? I am using same view controller to initialize ARKit SceneView and to start Vuforia Engine. I have...
Venkatesh
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How to save/get a rotation from Hololens achor?

I'm using anchor in my application to be the 'center of the world' instead of hololens be the 'center of the world'. I instantiate a cube and turn this my reference to display my 3d objects. I can get the position normally, but the rotation not. Always when I change of scene and open it again, the p...
Zkk
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material disappears from game object unity

I have a really strange problem that I can't find the solution for. I am new to Unity and only had about a week experience with Vuforia. My problem is that I have a target which I am overlaying with a 3D object and then I compile to Android. My phone is a Galaxy S7. When I come up close and the targ...
bluiska
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ArtoolKit modyfing code

I am making avery general question. I download ArtoolKIt from this link (Software y Extras) ArtoolKit and I use this command in terminal in ubuntu: apt-get install freeglut3-dev libgl1-mesa-dev libglu1-mesa-dev libxi-dev libxmu-dev libjpeg-dev And then ./Configure and $make. So after these I have s...
coolest
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Vuforia Video playback - How to play only one video at a time

I am working on a basic Vuforia app following their documentation and i am new to Unity 3D. I am working on to play videos in vuforia when the image target is detected. I got the videos playing but when it comes to multiple target, multiple videos are played as per the vuforia's behaviour. But i wan...
Kanagalingam
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Vuforia makes mesh not render when object not on camera?

I have two gameObject attached on Vuforia's images. One of them is a 'monitor', that contains a plane with a Render texture. This render texture shows what a camera attached to the other component is seeing in the game-view (with skybox ecc). In AR when both images are on camera, the screen shows t...
DeNasti
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Change QR code color in Real Time

I want to change QR code's color to yellow color from its original black color in Real time. As per my understanding it will be the topic of Augmented Reality which is new for me. I already searched on Google but nothing relevant I found over there. Any suggestions or any help will be appreciated. A...
Ronak Joshi
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Why some devices don't support ARCore?

I've seen that ARCore has a few compatible devices (Samsung or Google Pixel), which also appear, along with a few more Android and Apple devices, in the compatible devices of ground plane detection in Vuforia SDK. Why only those devices can support this technology and others not?
Josean Muñoz
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Vuforia and Unity : Unable to place mid-air objects or use ground plane

I'm trying to place an object in mid-air and detect ground planes. When I follow the steps in the documentation, it doesn't work and I have the following error when debugging with adb: PositionalDeviceTracker has not been Initialized correctly, unable to create anchors I tried on an iPad running iOS...
MrDos
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134

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ARToolkit: No markers detected in video

I am trying to use ARtoolkit to detect markers from a number of videos. For each video source, I initialise the arHandle using the following code: ARParam cparam; AR_PIXEL_FORMAT pixFormat = AR_PIXEL_FORMAT_RGB; cparam.xsize = 1000; cparam.ysize = 800; cparam.dist_function_version = 1 for(i...
Catherinet2
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Vuforia About UserDefinedTargetBuilder Android

We are making a android app with AR features. We want to use (preshot) album photo in android phone as our image target, then we can detect the preshot photo features in the later camera mode. Q: How can we use album photos as image target (user-defined target or any ways without uploading to the cl...
Yun Chu
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Getting a (THREE.js) 3D model from a webview to my Native-React (augmented reality) app

For the past couple of weeks i'm trying to figure out how to include an external web app that does 3d modelling(Through THREE.js) into a viro react app. I tried webview and that works, but i need the model to be imported into my Viro App. I tried the WebViewBridge module (which in theory could send...
robertjuh
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GPS location trigger for Arcore

I am completely fresh in coding and Unity/ArCore. I am looking to get into it and would love some pointers on where I can get started to learn how this software works? One app I am interested in making this: Device enters GPS location that triggers 3D scene/animation Scene is triggered at different...
Ame
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Augmented reality - replacing elements on the screen

my goal is to make an augmented reality app, which will take a specific element in the view and replace it with something else. For example it will replace your television with a new one and you will be able to see how it fits into your living room. Could you please suggest me some materials, articl...
user3696212
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How to overlay object on Cloud Recognized Image Target in Vuforia?

I started developing an android AR app using Vuforia library a few days ago. I am able to overlay my custom image over pre-defined stones-and-chips target in the vuforia sample app provided. In Cloud Reco sample, it recognizes the target image and i am able to fetch the meta data for the same. How c...
Aashish Tyagi
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ARCore: How to detect HitTest on the infinite extension of a detected plane?

I want to detect the hitTests on the infinite extension of a defined detected plane. I see that there is isHitInPolygon() but too restrictive. There is also isPoseInExtents but detects the hits only the overall rectangular surface. How to detect a HitTest on the infinite extension of a detected plan...
Regis_AG
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Phonegap / Ionic augmented reality

I've been Googling and Googling for an augmented reality plugin to use for my app but I keep returning to Wikitude, which costs a fortune (at least, at this moment). So I'm reaching out to you. I'm looking for an AR plugin that can display an image onto a marker/placeholder. If it is possible to pla...
Ben
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3D objects keep moving ARKit

I am working on an AR app for which I am placing one 3D model in front of the device without horizontal surface detection. Based on this 3D model's transform, I creating ARAnchor object. ARAnchor objects are useful to track real world objects and 3D objects in ARKit. Code to place ARAnchor: ARAncho...
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Try to access and change camera pixel values on Vuforia and Unity

I would like to access the camera (pc or mobile) before recognition is done. I want to change the value of the pixels in function of the brightness and the contrast. My goal is to optimize the tracking with vuforia by stretching or equalizing the values ​​in the form of a histogram when changing...
DevLoots
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Vuforia app crashes upon camera init on iPhone 6

So I have a Vuforia app running perfectly on many versions of Android. I have ported the Unity project to a MAC running Unity & XCode. App compiles and deploys correctly to an iPad Air2 and iPhone 6 both running iOS 10. App on iPad works no problem. App on iPhone 6 crashes as soon as the camera is i...
Betana dimas
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Swiping to navigate through, then load an array of AR assets in iOS

I am relatively new to Swift. I am building an application in which I would like to swipe through an array of AR assets; essentially swipe right or left and a new .scn model is rendered and interacts with the scene. However, loadedContentForAssets only takes a value string and inputting a var initi...
A.M.
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How to query Mapbox MGLMapView features without visible map?

For an AR experience I'm working on, I want to have a 'camera view' that shows annotations based on the user's location. If the user is in a certain area, show the annotation. I'm able to do something like this using below extension ViewController: AnnotationManagerDelegate { func session(_ session...
Jefftopia
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How to Detect Road in NavAR using BeyondAR and draw a line using GeoObjects

I am using sample code from ArNAV in my android app and so far I modified a lot of code to use in my AR app. I am stuck on one issue. My requirement is to place Geo Objects on road by detecting the road. Is there any way to do that using BeyondAR framework?
Numanqmr
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ARCore: accessing camera image data from frame.acquireCameraImage

I have an app in Java which needs to get the camera image from ARCore for custom rendering. Recently, two new APIs have been added to ARCore (v1.1.0) which should support this. Well, everything else works for me except these two calls. Both calls are failing with same error (SIGINIT): SIGINIT and I...
Alfred J
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Vuforia VUMark working in Editor but not on device

We've recently implemented Vuforia using Vumarkers and are about to purchase a license. We've tested with the 'tuxedo' test Vumarker from Vuforia. Both in the Editor and Android worked just fine. As a final step in our development process, we've made our own Vumarker using the Illustrator template....
Jeffrey Lanters
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Get 3D coordinates of the both eyes in 3D Facemesh of ARKit

I want to get real-world 3D coordinates of both eyes from the 3D Facemesh of the ARKit. So far, I have tried below code; func renderer(_ renderer: SCNSceneRenderer, didUpdate node: SCNNode, for anchor: ARAnchor) { guard let faceAnchor = anchor as? ARFaceAnchor else { return } let geometry = virtualF...
Ankit Chauhan
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Feacebook rejected our submit AR Studio Effect by reason “Your effect's file doesn't load correctly to the reviewer's device”

Last week We had submit AR effect at https://www.facebook.com/fbcameraeffects/manage/ and get rejected refer id 2186937298193098 from them with reason 'Your effect distribution stopped because it doesn't meet the camera effects platform terms and policies. - Your effect's file doesn't load correctl...
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ARKit – eulerAngles of Transform Matrix 4x4

In my project I have a transform and I want to get the orientation of that transform in eulersAngles. How do I get the eulerAngles from a transform of 4x4 matrix in Swift language? I need at least the Pitch, I may need the Yaw and I might need the Roll.
Calonca
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How do I fix a 3D object on glsurfaceview and cameraview and rotate it from a different angle?

I want to build an augmented reality (AR) app as shown in this video: Ikea’s new augmented reality app will change the way you decorate I have loaded a 3D .stl object on glsurfaceview and cameraview, and I am able to rotate the object with the touch of a finger. However, the problem is my object i...
Sejpal Pavan
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Unhide Action Bar/Navigation Bar in Vuforia - Unity Project

I am trying to get the Action Bar in the Augmented Reality UnityPlayer camera view to remain visible (not hidden/lights out mode). We are working with Vuforia, Unity, and Android Studio to create an AR Experience within our app. Currently, I am building the AR scene in Unity, exporting the project t...
Alex Stein
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ArCore - Create anchor in context of Session

I want to create an anchor in the context of session rather than trackable planes. I want to know whether these 2 statements are same or they are different in creating anchors in different context? arFragment.setOnTapArPlaneListener( (HitResult hitResult, Plane plane, MotionEvent motionEvent) -> { A...
Daniyal Javaid
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How to able disable ar js object

I'm trying to able\disable an object on a three.js scene with a button click. I created a function in Onclick() of a button to render the object and it works. But how can I reset the scene and disable the object? THREEx.ArToolkitContext.baseURL = '../' ///////////////////////////////////////////////...
Luke
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Force WebARonARCore (Chromium) on Android

I'm creating a new Augmented Reality Android application using Cordova. I have in some way to force my mobile to use this web browser: https://developers.google.com/ar/develop/web/quickstart. Is it possible to do this? I'm using Cordova to build the Android application, but I don't know how I can f...
sirjmota
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Transparency of the image captured by camera Unity

I am trying to do a AR project using unity. I doesn't have much experience in Unity and I am using this project to learn and understand a little better. In my project I have the device's camera always connected and that is projected in my device. I would like to understand if there is any way (or a...
JsF
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AR detect object change

I have am facing strange project requirements. Firstly, I have to detect a visual object which was done by using openCV library. Now, I have to detect change in size of object. for example, if object is apple and I cut it, it should show 20% of object portion is missing. Is it possible to do using a...
Darshan Bhatt
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Rotating camera around Y asix not making AR face camera vuforia native android

I am making AR video app using vuforia. I want my video should come vertical and always face camera when I move camera around Y axis on all other oration my AR video should vertical. I have edited vuforia sample videoplayback and added folling code but I am getting unexpected behavior. Matrix44F in...
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Unity vuforia error get projection matrix in the newer version

I am getting error CS0117: Vuforia.VuforiaUnity' does not contain a definition forGetProjectionGL'. This function is depreciated. Can anybody tell me whats the replacement function ?
gaussianbaba
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ViroARSceneNavigator/ViroVRSceneNavigator from SideMenu based app

Currently I'm working on an application which has side menu and there are list of mix of different types of scene like ARScenes, VRScenes and normal scenes like List, contact us, about us. This is how I have created app structure. Any sample would be great. const Drawer = DrawerNavigator( { Home: {...
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Is it possible to create AR-Based App on device without ARKit or ARCore?

I'm going to work on a cross-platform mobile application that will identify objects on a planar by creating a label and pointed to the objects on the planar in any angle. I am not sure if this is possible without ARKit or ARCore. I have to use React Native as the development system, and I have searc...
Bearfinn
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AR.JS: Desktop-based static target image

I don't need or want 'live placement' using a camera. I will already have an image with a target in it, and a second image for which I know its real-world dimensions. I want to place this second image on top of the image with a target in it, but in the correct position/perspective, etc. Then save...
FirstDivision

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