Unable to capture holograms with Unity PhotoCapture

hys73 · April 2017

I am using UNITY 5.5.2f1.
I would like to do Mixed Reality Capture of hololens.
I was able to do the capture with reference to the script below.

https://docs.unity3d.com/Manual/windowsholographic-photocapture.html

However, the image contains only the camera's capture, not the 3D objects.
Even if you set hologramOpacity to 1.0.

How can I solve it?

Thanks.

JannikLassahn · April 2017

Here you go. Good luck!

JannikLassahn · April 2017

I followed the instructions for the locatable camera and it worked fine for me.
The code uses Application.persistentDataPath as directory, which points to %userprofile%\AppData\Local\Packages\[productname]\LocalState. You can use the device portals file explorer to access this directory.

AndrewCZ · April 2017

I'm running into the exact same issue! I declare capture holograms with PhotoCapture.CreateAsync(true, OnPhotoCaptureCreated); [first argument is false in the tutorial], and then set hologramOpacity to 1.0f... this might solve your issue, but for me I'm still not getting holograms.

I don't have the file explorer in the device portal, but I'm using a script that copys the photo from the local directory into the camera roll which I do see in the file explorer.

hys73 · April 2017

Thanks JannikLassahn.

Photos are saved in LocalState.
However, hologram such as 3D model is not attached
I will write my code.
Is there any difference from your code?

`
//

public void TakeScreenShot(){

    Resolution cameraResolution = PhotoCapture.SupportedResolutions.OrderByDescending((res) => res.width * res.height).First();
    targetTexture = new Texture2D(cameraResolution.width, cameraResolution.height);

    // Create a PhotoCapture object
    PhotoCapture.CreateAsync(false, delegate (PhotoCapture captureObject) {
        photoCaptureObject = captureObject;
        CameraParameters cameraParameters = new CameraParameters();
        cameraParameters.hologramOpacity = 1.0f;
        cameraParameters.cameraResolutionWidth = cameraResolution.width;
        cameraParameters.cameraResolutionHeight = cameraResolution.height;
        cameraParameters.pixelFormat = CapturePixelFormat.BGRA32;

        // Activate the camera
        photoCaptureObject.StartPhotoModeAsync(cameraParameters, delegate (PhotoCapture.PhotoCaptureResult result) {
            // Take a picture
            //photoCaptureObject.TakePhotoAsync(OnCapturedPhotoToMemory);

            string filename = string.Format(@"CapturedImage{0}_n.jpg", Time.time);
            string filePath = System.IO.Path.Combine(Application.persistentDataPath, filename);
            photoCaptureObject.TakePhotoAsync(filePath, PhotoCaptureFileOutputFormat.JPG, OnCapturedPhotoToDisk);

        });
    });

}


void OnCapturedPhotoToDisk(PhotoCapture.PhotoCaptureResult result)
{
    if (result.success)
    {
        Debug.Log("Saved Photo to disk!");
        photoCaptureObject.StopPhotoModeAsync(OnStoppedPhotoMode);
    }
    else
    {
        Debug.Log("Failed to save Photo to disk");
    }
}

void OnStoppedPhotoMode(PhotoCapture.PhotoCaptureResult result)
{
    photoCaptureObject.Dispose();
    photoCaptureObject = null;
}

`

JannikLassahn · April 2017

@hys73 Do you still have this problem? I could share my sample project, maybe it works for you.

hys73 · April 2017

Thank you JannikLassahn.

I have not solved this problem yet.
I would like you to share your code if possible.

Regards.

JannikLassahn · April 2017

Here you go. Good luck!

hys73 · May 2017

Thank you JannikLassahn.

Great!

It went well.

Thank you very much!

Unable to capture holograms with Unity PhotoCapture

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