[Access to system timestamps]

Hi @VGagliano

Yes it was~.

Please flow the sample code to get system timestamps.

int result = ViveSR::anipal::Eye::SRanipal_UpdateTimeSync();

if( result  == ViveSR::Error::WORK  ){

    int64_t time;

    ViveSR::anipal::Eye::SRanipal_GetSystemTime(&time);

    printf("%u",(unsigned )time);

}

[Eye Framework Version 1 vs Version 2... what's the difference?]

Hi @patrickabroad:

Version 2 has two more BlendShapes than Version 1 (eye_wide and eye_squeeze).

eye_wide is a value representing how open eye widely.

eye_squeeze is a value representing how open eye closed tjghtly.

Thank you.

[Local Address for API or Tracker]

Hi @cte

What does your mean about the local address?

And what data do you want to get?

thank you.

[Possible Bug in Unreal SDK for Left/Right Eye Gazes]

Hi @goose_r_s

We will fix it in the next version.

And maybe you can refer to this article .

Thank you.

[Gaze origin bug in GetGazeRay of Unity package]

Hi @qxxxb:

We will fix it in the next version.

Thank you.

 

[Blink rate per min]

Hi Asish,
We did not provide such API for calculating the number of blinks per minute.
Maybe you can calculate it according to the value of this blendshape (blinks)

 

Thanks

[Getting Screen Position of the Gaze in Unity]

Hi @Av

Suggest you do the calibration process first then try again.

Thanks

[Only ~62 samples per second]

Hi @banila2

Please give me your log file which path is C:\Users\user_name\AppData\LocalLow\HTC Corporation\SR_Logs

 

thanks

[Access to system timestamps]

Hi @nbhatia

 In the current version,there is no way yet to get the system time stamps.

And we will implement that in the next version.

Thanks

[Unsuccessful calibration while running from Unity application]

Hi @DustProductions

According to the log message you provided , we consider that the device can't collect your eye's data in the last part.
Please, make sure you can see the point certainly.

Thanks

[Vive Pro Eye Calibration Initialization Error Troubleshooting]

Hi @Asish

 Could you take a picture  or record the process of your calibration.

Thanks

[Vive Pro Eye Calibration Initialization Error Troubleshooting]

Hi 

@Asish

According to the log file you provided , we consider that the device can't collect your eye's data in the last part.
Please, make sure you can see the point certainly.

 

Thanks

[Unity Builds on Headless (eyetrackingless) Systems]

Hi @hollandera

Please refer to this unity code

And you can get  nose tracking you want in unity.

 

                int dart_board_layer_id = LayerMask.NameToLayer("NoReflection");

                Vector3 direction = Vector3.forward;
                Vector3 origin = Vector3.zero;
                Ray rayGlobal = new Ray(Camera.main.transform.position, Camera.main.transform.TransformDirection(direction));
                RaycastHit hit;
                Physics.Raycast(rayGlobal, out hit, 20, (1 << dart_board_layer_id));

You can download the unity sample here:

https://developer.vive.com/resources/knowledgebase/vive-sranipal-sdk/

Thank you.

[Unity Builds on Headless (eyetrackingless) Systems]

Hi @hollandera

Do you want to use the SRanipal function in unity code on Vive pro(no eye tracking machine)?

Thanks.

[Eye Tracking SDK for _C (Expression)]

Hi Nikki:

If you want to initial Eye V2 engine:

1. Please do not modify any header file we provide. E.g. in SRanipal_Eye.h,  the following line should be:

const int ANIPAL_TYPE_EYE_V2 = 2;

 

2. You need a separate flag to check if eye v2 is enabled, e.g.,

int error = ViveSR::anipal::Initial(ViveSR::anipal::Eye::ANIPAL_TYPE_EYE_V2, NULL);
if (error == ViveSR::Error::WORK) {
                EnableEyeV2 = true;

}

Then in the function void streaming(), you need separate code to handle eye v2 data, e.g.,

 if (EnableEyeV2) {
            int result = ViveSR::anipal::Eye::GetEyeData_v2(&eye_data_v2);
            if (result == ViveSR::Error::WORK) {
                float *gaze = eye_data_v2.verbose_data.left.gaze_direction_normalized.elem_;
                printf("[Eye v2] Wide: %.2f %.2f \n", eye_data_v2.expression_data.left.eye_wide, eye_data_v2.expression_data.right.eye_wide);
            }
        }