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What is Aximmetry Eye and How to Use it?

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Introduction

Aximmetry Eye is an application developed for smartphones to be used for various virtual production functions, such as:

  • Camera device
  • Camera, Talent, or Object tracking
  • Preview monitor

This document describes how to use the Aximmetry Eye application for virtual production.

NOTE: Aximmetry Eye is currently released as a public beta version and is yet only available for iOS devices.
NOTE: To test the public beta version, the installation of the TestFligth is required on your iOS device.
NOTE: You can access the public beta version for iOS devices here: https://testflight.apple.com/join/cS6MFIRP

Opening the Application for the First Time

After opening Aximmetry Eye for the first time, the application will ask if you'd like to receive notifications.

The next step is signing in to the application. You need to use the same email address (or username) and password that you used to register to the my.aximmetry.com website.

Connecting to Aximmetry

Aximmetry Eye can only be used with Aximmetry desktop versions.

After signing in Aximmetry Eye will ask permission to search and connect to devices on the available networks.
IMPORTANT: This permission is necessary since without it the application could not connect to your Aximmetry PC.

Enter the IP address of the Aximmetry PC into the IP address field.
NOTE: You need to enter the PC's IPv4 address in the field displayed in the picture below.

Click on Connect, to connect to the PC running Aximmetry.
NOTE: Aximmetry has to be actively running on the PC to be able to connect to it.

NOTE: For the most stable connection to the PC we recommend using a wired Ethernet connection. It is also recommended to create a subnetwork free of any traffic, that could cause noise on the network.

How to Find the IP Address for my PC

Open the network settings in the Windows Settings.

Click on Properties:

You can find your PC's IP address under 'IPv4 address':

Selecting the Devices

In the next step you can select what to use the application for:

  • Send camera stream - Send the camera feed from the mobile into the Aximmetry PC.
  • Send tracking data  - Use the mobile as a tracking device.
  • Receive preview stream - Stream any video output of Aximmetry to the mobile.

By clicking 'Start' Aximmetry Eye will automatically create the selected devices in Aximmetry, so you don't have to create anything in the Aximmetry PC's Manage Devices menu.

The following devices will be created (if they are selected):

  • SRT video input - Aximmetry Eye Camera -
  • Camera Tracking - AximmetryEye:52001 -
  • SRT video output - Aximmetry Eye Preview -

IMPORTANT: In the case where Aximmetry Eye is used to provide both video input and camera tracking at the same time, in Aximmetry Composer the Tracking Delay value must be set to 0, and the Timecode Sync must be turned On.
NOTE: Starting from the Professional edition, you have the option to disable HTTP control. For the automatic creation to work the HTTP control has to be enabled. By default the HTTP control is enabled, you can check it, by opening 'Preferences/HTTP Control' and selecting the 'Enable HTTP control' checkbox:

Camera View

After the initial setup is done, we arrive at the camera view:

There are more buttons to talk about here, the buttons and their respective functions are as follows:

- Turning automatic rotation on, and off. (NOTE: If the rotation is turned off in the operation system settings, then it has to be turned on first.)

- Exposure and white balance settings.

- Reset the virtual environment's position. More on this later.

- Application settings.

- Opening the Preview stream monitor.

- Starting and stopping the streaming.

Preview Monitor

If the preview monitor functionality is enabled, it will appear on top of the camera view in picture-in-picture mode.
Anything that is exposed to the 'SRT video output - Aximmetry Eye Preview' device, will be visible on the preview monitor.

You can switch between the preview monitor, and the camera view to be in full screen, using this button: .


You can also minimize the smaller screen, using this button: .


NOTE: Screenshots demonstrating the moment before minimizing the smaller screen (left, highlighting the minimize button's position), and after minimizing the smaller screen (right).

Application Settings

In the application settings menu, you can specify the parameters of the different functions.

Camera

  • Send camera stream - If it is turned on, the application will send the video feed from the phone's camera.
  • Latency (ms) - You only have to change this value if the Round Trip Time (RTT) is too long and the transmission is breaking up. With higher latency, there will be more time to recover lost packets.
  • Format - The resolution, and framerate that will be used for the video stream.
  • Bitrate (Mbps) - The video bitrate in megabits per second. Wired connections allow for a higher bitrate.
  • Enable audio - If this setting is turned on, then the audio from the phone will also be sent alongside the video.

Tracking

  • Send tracking data - If this is turned on, then the phone will send its positional information.
  • Show position data on UI - If this is turned on, then the positional information will be visible on top of the Camera View

Preview

  • Receive preview stream - If this setting is turned on, then the phone can receive the preview stream from the Aximmetry.
  • Bitrate (Mbps) - The video bitrate in megabits per second. This setting changes the Bitrate of the Aximmetry preview stream. This setting can also be modified in Aximmetry, under the Manage devices/Video out/SRT menu. 
    NOTE: Wherever you change the settings (in Aximmetry Eye or Aximmetry Composer), the last change will apply to the bitrate.

Defining the Origin of the Virtual Environment

Using Aximmetry Eye

By clicking on the 'Reset' button you can define the origin of the virtual environment. The actual position of the phone will become the new origin of the virtual environment. Usually, there is no need to reset the origin using this method, instead, it is recommended to use the method stated below.

Using the Aximmetry PC

Alternatively, you could use the Aximmety PC to define the origin of the virtual environment, using an ArUco marker.
IMPORTANT: This requires a specific ArUco marker (6x6, ID70) in a specific size (180x180mm).
NOTE: You can download it from here: Aximmetry Eye ArUco marker
NOTE: Or you can generate the same exact marker here: https://chev.me/arucogen/. (Required settings: Dictionary: 6x6; Marker ID: 70; Marker size, mm: 180)
First, place the ArUco marker into the camera view, like so: 

On the Aximmetry PC open the 'Inputs' control board, select the 'Origin X' control panel, and click on the 'Detect origin' pin's Trigger button:

By clicking on the trigger, Aximmetry will place the virtual environment's origin where the ArUco marker is placed.

Thermal Preparations

During production using a smartphone, the device can get quite hot. If the device overheats, the application will start stuttering.
To keep the smartphone at an optimal temperature, it is recommended to remove any case from the device, to allow the phone to utilize all the airflow.
While cases can protect the devices from any drops, they also keep the heat in, considerably reducing the smartphones' capacity for heat dissipation.

Alternatively, you could use external coolers to cool the phone during production.

Example of an external cooler:

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