Use Quick Start to transfer data to a new iPhone, iPad, or iPod touch — Apple Support

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3d scanning could be the killer app

Lidar can be used to mesh out 3D objects and rooms and layer photo imagery on top, a technique called photogrammetry. That could be the next wave of capture tech for practical uses like home improvement, or even social media and journalism.

I’ve already tried a few early lidar-enabled 3D scanning apps on the iPhone 12 Pro with mixed success (3D Scanner App, Lidar Scanner and Record3D), but they can be used to scan objects or map out rooms with surprising speed.

The 16-foot effective range of lidar’s scanning is enough to reach across most rooms in my house, but in bigger outdoor spaces it takes more moving around. Again, Apple’s front-facing TrueDepth camera already does similar things at closer range. Over time, it’ll be interesting to see if Apple ends up putting 3D scanning features into its own camera apps, putting the tech more front-and-center.

Apple isn’t the first to explore tech like this on a phone

Google had this same idea in mind when Project Tango — an early AR platform that was only on two phones — was created.

The advanced camera array also had infrared sensors and could map out rooms, creating 3D scans and depth maps for AR and for measuring indoor spaces. Google’s Tango-equipped phones were short-lived, replaced by computer vision algorithms that have done estimated depth sensing on cameras without needing the same hardware.

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Find out what siri can do on ipad

Use Siri on iPad to get information and perform tasks. Siri and its response appear on top of what you’re currently doing, allowing you to refer to information onscreen.

Siri is interactive. When Siri displays a web link, you can tap it to see more information in your default web browser. When the onscreen response from Siri includes buttons or controls, you can tap them to take further action. And you can tap Siri again to ask another question or do an additional task for you.

  • Find answers to your questions: Say something like “Hey Siri, what causes a rainbow,” “Hey Siri, what does a cat sound like,” “Hey Siri, what was the score of the Orioles game yesterday,” or “Hey Siri, what’s the derivative of cosine x?”

  • Perform tasks with apps on iPad: Use Siri to control apps with your voice. For example, to create an event in Calendar, say something like “Hey Siri, set up a meeting with Gordon at 9,” or to add an item to Reminders, say something like “Hey Siri, add zucchini and garlic to my groceries list.”

    Siri displays a reminders list called Groceries with zucchini and garlic listed. The list appears over a recipe for creamy zucchini soup.
  • Hear about your day: Say something like “Hey Siri, what’s my update?” Siri will tell you about your weather, news, reminders, calendar events, and more.

  • Answer calls: Siri can identify a FaceTime caller and let you answer the call with only your voice. See Announce calls with Siri on iPad.

  • Send and reply to messages: Say something like “Hey Siri, send a message to Eliza saying how about tomorrow” or “Hey Siri, reply that’s great news.” You can even use Siri to send audio messages.

    If you connect your AirPods (AirPods Max, AirPods Pro, and AirPods 2nd generation) to your iPad and a message arrives, Siri can read the message to you, even if your iPad is locked. Siri listens after reading messages so you can reply without saying “Hey Siri.” See Listen and respond to messages with AirPods on iPad.

  • Translate languages: Say something like “Hey Siri, how do you say Thank You in Mandarin?” or “Hey Siri, what languages can you translate?”

    Siri displays a translation of the English phrase “thank you” into Mandarin. A button to the right of the translation replays audio of the translation.
  • Play a radio station: Say something like “Hey Siri, play Wild 94.9” or “Hey Siri, tune into ESPN Radio.”

  • Let Siri show you more examples: Say something like “Hey Siri, what can you do?”

  • Additional examples appear throughout this guide. To learn more about Siri, go to the Siri website.

    How does lidar work to sense depth?

    Lidar is a type of time-of-flight camera. Some other smartphones measure depth with a single light pulse, whereas a smartphone with this type of lidar tech sends waves of light pulses out in a spray of infrared dots and can measure each one with its sensor, creating a field of points that map out distances and can «mesh» the dimensions of a space and the objects in it. The light pulses are invisible to the human eye, but you could see them with a night vision camera.

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    If you no longer have your iphone, ipad, or ipod touch

    If the steps above weren’t completed and you no longer have your device, use these steps:

    1. Ask the new owner to erase all content and settings using the above steps.
    2. If you’re using iCloud and Find My [device] on the device, sign in to or the Find My app on another device, select the device, and click Erase. After the device has been erased, click Remove from Account.
    3. If you can’t follow either of the above steps, change your Apple ID password. This won’t remove personal information that’s stored on your old device, but it prevents the new owner from deleting your information from iCloud.
    4. If you’re switching to a non-Apple phone, deregister iMessage
    5. If you’re using Apple Pay, you can remove your credit or debit cards at Choose Account Settings to see which devices are using Apple Pay, then click the device. Next to Apple Pay, click Remove.
    6. Remove your old device from your list of trusted devices.

    If your iphone won’t turn on or is frozen

    If your iPhone has a frozen screen, doesn’t respond when you touch it, or becomes stuck when you turn it on, learn what to do.

    If you’re trading in an android device to apple

    Before you send in an Android device to Apple as a trade-in, be sure to do the following:

    • Back up your data.
    • Erase the device.
    • Remove any SIM cards, memory cards, cases, and screen protectors.

    Contact your device’s manufacturer if you need help.

    Isn’t this like face id on the iphone?

    It is, but with longer range. The idea’s the same: Apple’s Face ID-enabling TrueDepth camera also shoots out an array of infrared lasers, but can only work up to a few feet away. The rear lidar sensors on the iPad Pro and iPhone 12 Pro work at a range of up to 5 meters.

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    It also greatly enhances augmented reality

    Lidar allows the iPhone 12 Pro to start AR apps a lot more quickly, and build a fast map of a room to add more detail. A lot of Apple’s AR updates in iOS 14 are taking advantage of lidar to hide virtual objects behind real ones (called occlusion), and place virtual objects within more complicated room mappings, like on a table or chair.

    I’ve been testing it out on an Apple Arcade game, Hot Lava, which already uses lidar to scan a room and all its obstacles. I was able to place virtual objects on stairs, and have things hide behind real-life objects in the room. Expect a lot more AR apps that will start adding lidar support like this for richer experiences.


    Snapchat’s next wave of lenses will start adopting depth-sensing using the iPhone 12 Pro’s lidar.


    Learn more

    There are more ways to transfer photos and videos to your computer:

    The iphone 12 pro camera works better with lidar

    Time-of-flight cameras on smartphones tend to be used to improve focus accuracy and speed, and the iPhone 12 Pro does the same. Apple promises better low-light focus, up to six times faster in low-light conditions. The lidar depth-sensing is also used to improve night portrait mode effects.

    Better focus is a plus, and there’s also a chance the iPhone 12 Pro could add more 3D photo data to images, too. Although that element hasn’t been laid out yet, Apple’s front-facing, depth-sensing TrueDepth camera has been used in a similar way with apps, and third-party developers could dive in and develop some wild ideas. It’s already happening.

    What does lidar mean?

    Lidar stands for light detection and ranging, and has been around for a while. It uses lasers to ping off objects and return to the source of the laser, measuring distance by timing the travel, or flight, of the light pulse. 

    What is meant by the “i” in “iphone,” “ipad,” and “imac”? — quora

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