The current VR debut of President Barack Obama of the United States is not accidentally dedicated to the most beloved national park in the United States. This VR video was shot by Oculus, National Geographic, and VR studio Felix & Paul to President Barack Obama. This unique VR experience is to commemorate the centennial completion ceremony of the National Park.
This video shows the magnificent views of the Yosemite National Park, including the El Capitan Mountains and the red fir trees of the Butterfly Forest. Of course, the film friendship invited the Obama family to watch these beautiful scenes. Most importantly, this film can convey to future generations the message of protecting this nature gift.
The film, Through the Ages, has been available for download in the Oculus Store, but it is currently only available on Gear VR and Facebook 360° videos (I believe it will be available soon on the Oculus Rift). . This film takes full advantage of the immersion of VR technology - at least the feelings it brings are real and not rendered by computer. Because it is a real three-dimensional shot, its depth of field is superior to other 360° videos, making you feel as if you are standing on top of a hill or under the tallest tree in the forest. It can be said that it is one of the clearest VR videos to date, much clearer than the VR video we have seen broadcasting the Olympic Games.
For VR film makers, capturing the natural landscape in remote areas is an attractive subject matter. In fact, for this centennial anniversary, Google also launched their own National Park VR video. "Through the Years" also abides by some of the standards of natural scenery on 2D screens, but the 3D and 360° surround environment adds to the authenticity of the film. The bland landscapes of ordinary films such as grass and lake water All of them will become more attractive because of their different presentation techniques. This video is basically taken from a sitting position because it is the way most people experience the beauty. It took six days for the whole film to shoot. Whether the purpose is to display the beauty of the National Park or to convey the message of “protecting the ecosystem of the entire national parkâ€, this amount of work cannot be underestimated.
The founders of the VR studio were Felix Lajeunesse and Paul Raphael. They did not give any details about the film, but they stated that the shooting equipment they used was a "custom made from many sensors." A lot of shots. For this reason, their devices can output video equivalent to the single-eye "3.5K" resolution, but they are limited by the resolution of the devices currently used in the market (the resolution of Samsung smartphones is currently 2560× 1440, but the total resolution of the Oculus Rift screen can only reach 2160 × 1200), the actual impact of the monocular 3.5K resolution may not be felt. So once there are higher resolution devices on the market, Felix & Paul is able to provide higher quality video.
Ultimately, this video gives a unique experience to those who do not have the opportunity to see the spectacular views of the Yosemite National Park. Obama said that if a child can have the opportunity to appreciate the beauty of the National Park, then this may become a major event to change his life. He also hopes that the American people can always protect this natural landscape. Naturally, VR movies can't replace field trips to national parks, but before you have the opportunity to experience it, this is the best alternative.
This article refers to sources such as Engadget, The Verge, etc. Please be sure to indicate the source.
The name of wireless router can be separated out of two keywords: wireless and routing. Understand the technical principle behind these two words, you understand the wireless router.
Wireless is also what we often call Wi-Fi. Wireless routers can convert home broadband from wired to wireless signals, and all devices can happily surf the Internet as long as they connect to their own Wi-Fi. In addition, these devices also form a wireless local area network, where local data is exchanged at high speed and is not limited by the bandwidth of home broadband.
For example, many people have smart speakers in their homes that can be used to control various smart appliances. When you say small X small X, turn on the TV, the speaker actually finds the TV through the LAN and sends instructions, and does not need to connect to the Internet; And if you let it broadcast news, you have to get data through the Internet.
The Local Area Network we talked about earlier, also known as the Intranet, is represented by the Local Area Network (LAN) on the router, so the Wi-Fi signal is also called WLAN(Wireless LAN); The Internet we want to access, also known as the extranet, is represented on the router by the WAN(Wide Area Network).
On the Intranet, the IP address of each device is different, which is called a private address. All devices on the Internet share the same public address, which is assigned by broadband operators such as China Telecom Unicom.
The router is the bridge between the Intranet and the external network. The above mentioned IP address translation, packet forwarding, is the router routing function.
In other words, the router is the hub of the home network, and the data of all the devices must be forwarded through it to access each other or reach the external network, which means that one husband is the key and ten thousand men are not open, so the comprehensive router is also called "home gateway".
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