How does a render farm work

how-does-a-render-farm-work

Rendering is a very important part of 3D production. This step will generate the final image including information such as models, scenes, textures, effects, and lights.

Rendering in film and television special effects is computationally intensive and requires a lot of server computing, especially for animated film production, where rendering time is almost a big challenge. So for the producer, render farm is a good choice. Cloud rendering is based on render farms that are more convenient and efficient for rendering.

So how does a render farm work and why choose it?

The render farm is also called the distributed parallel cluster computing system. It refers to the calculation method of a supercomputer built with an existing CPU /GPU, Ethernet, and operating system. The render farm is made up of thousands of servers.

Cloud rendering is an upgrade on the render farm. We can upload the material to the cloud and use the cloud render farm for calculations remotely. And the server will distribute the files to multiple servers and render them according to the uploader's choice.

For example a 10-second special effect lens, 10 hours for a single machine rendering, then if you use 10 machines to render, then the rendering time becomes 1/10.

Cloud rendering has the following advantages:

  1. No geographical restrictions, wider market scope, lower idle rate, and cost savings.
  2. Render farm with better server configuration to ensure user safety and efficiency.
  3. User can control the rendering progress anytime, anywhere.

The emergence of cloud rendering has almost swept the entire production industry, which is the trend of the times. It not only brought great changes to the production industry but also provided strong support. For the fast-paced modern, it is more convenient and convenient, which is why more and more people choose the cloud render farm.

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Best Offers From Render Farm This Summer
Best Offers From Render Farm This Summer
The current situation with the spread of infection does not greatly stimulate the field of computer graphics regarding interesting news. Especially good ones. Nevertheless, it is necessary to be able in different situations to look for something positive and new ways and opportunities. We have repeatedly noted that the skill and experience of using online render farms are very useful, even if you are involved in simple architectural visualizations and your computer can easily cope with rendering. At some point, quality requirements can go off-scale or tighten the deadlines, and here the render of the farm will always come to the rescue. There’s nothing to say about animation - instead of rendering for days, you can pay a reasonable amount of money and hand over the project in 1 day, to do something else. Among the excuses that I often heard about the impossibility of using render farms, the following were most often mentioned: - There is no time (well, ok, now everyone has abruptly enough time) - I have my own render farm at work (now many studios will be reduced and maybe it’s worth preparing for work on freelance) - Now there is no need (when the need arises, it is usually too late one hour before the project is completed to learn something new) In short, dear friends, we strongly recommend that you pay attention to the best offers of farm renderings that we have to provide and recommend. Fox Renderfarm Special Offer Fox Renderfarm is one of the most famous and successful farms, noted not only for quality services for studios and freelancers from around the world but also for participating in large-scale full-length projects! Our render farm allows you to send to the render both through the software installed on the computer or web and through your personal account, which, by the way, has become much prettier after the latest updates both in design and functionality. Almost any popular 3D software, GPU, or CPU rendering - Fox Renderfarm will easily render any project in a short time because they have Alibaba Cloud Computing as partners. Usually, Fox Renderfarm offers new users $ 25 when registering, and if you are a student or educator, freelancers, you can easily apply and get your special discount and exclusive offer from our render farm. Welcome to have a free trial and get your special discount.
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2020-06-24
The Witcher 3 Character Model Making Process
The Witcher 3 Character Model Making Process
Fox Renderfarm, the best render farm in the CG industry, will bring you sharing about character model making process and ideas. Many people will encounter a lot of problems when they first come into contact with CG character art. For example, there is now a new character model that needs to be designed. Where should I start? What should it be made of? Even if there are very powerful artists to teach the experience, they will still find it impossible to start. So how should this situation be resolved? We take the role of Vesemir in The Witcher 3: Wild Hunt as an example. Why choose this role? Because Vesemir's body shape, material, clothing, hair, etc. contain many types. The entire case contains a complete process from reference to a complete production process, which can fully meet all project production. Reference Before production, it is necessary to clarify the production goals: such as the model style, the details of the model, and what kind of quality to achieve in the end, these are very important. Taking the character of Vesemir in The Witcher 3: Wild Hunt as an example, you need to find references before making, such as armor reference, material texture reference, etc., even the style of clothing, sewing method, etc., all the things that need to be model need a detailed reference. Modeling The basic structure of the model is very important. Although the character has clothing to cover the body, the structure of the body cannot be ignored. Be sure to ensure the correct body structure. (In the production of other projects, some basic body models can be saved, and some time can be saved here). The same clothes are worn on different people, and the feeling of dressing is different. The part of the red line is to outline the outline of the desired character and then modify the model. This is also the most critical step in making a model. If the shape is inaccurate or not correct enough, even if you put on clothes, the model will look fake and the whole will be very uncoordinated. The picture above is the wrong case! For example, cloth, different materials in different parts, and different thicknesses, the wrinkle direction is different. The model should also consider the volume and structure of those things when making the model. UVs Regarding topology and UV, the focus is on low polygons. Especially for the human body, reasonable lines and surfaces conform to the direction of muscles and bones. For example, an accessory with a complicated shape, but it is extremely small, so you should not give too many polygons. Compared with the high polygon, the low polygon will always lose little things, so it is necessary to balance between the two. Texture The production of textures is a very important part. It is necessary to correctly analyze the changes in the real world and then restore them with layers, and understand how the texture controls different attribute nodes of the object. Substance Painter is very easy to use in texture production. Then according to different production processes, they correspond to the normal, color, highlight, glossiness, normal, color, metallicity, roughness, and other attributes of the object. Make the basic texture in Substance Painter, and then added different details according to different props, such as broken and worn out. And distinguish the texture of props: metal, leather, weapons, etc.. The lighting used a set of previously made lights (which can save some time), and the texture can be produced while testing and observing the effect. If the final rendering effect is more realistic, then the details are very important.
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2020-05-29
Why do you need to use a render farm?
Why do you need to use a render farm?
With the rapid development of 3D movies in recent years, VFX movies have also received more and more attention. From the point of view of the box office of European movies, the top 5 movies Avengers: Endgame, Avatar, Titanic, Star Wars: The Force Awakens, Avengers: Infinity War. They are almost inseparable from VFX production. And Disney relied on the 3D animated film Frozen series, sweeping $ 2.574 billion in the world, creating a new record for the global animated film box office. image via internet Why do you need to use a render farm? Rendering is indispensable behind these movies, and rendering is almost done by various render farms of all sizes. Rendering is the later part of 3D animation production, and rendering is a very time-consuming step in the later stage. An 80-minute animated movie can often be rendered in thousands to tens of thousands of hours. In the animated film COCO, 29,000 lights were used in the scene of the train station; 18,000 lights were in the cemetery; 2000 RenderMan practical lights were used in the Undead World. The production team used the RenderMan API to create 700 special point cloud lights, which expanded to 8.2 million lights. These massive lights are a nightmare for the rendering artist. For the production requirements, the test can not complete such a huge rendering. They once tested rendering and found that these light-filled shots actually took 1,000 hours per frame! They continued their research and shortened it to 125 hours and 75 hours. The rendering time of one frame at the time of final production was 50 hours and one frame. The movie is 24 frames per second, 1440 frames per minute, if a movie is calculated as 90 minutes. That 1440 frames 90 minutes = 129600 frames, 129600 50 = 6480000 hours. Converted into adulthood is 740 years? image via internet "To render Avatar, Weta Digital used a 10,000-square-foot server farm. There are 4,000 servers with a total of 35,000 processor cores. The average time to render a single frame is 2 hours, 160 minutes of video. The overall rendering time takes 2880000 hours, which is equivalent to 328 years of work for one server! " image via internet If the rendering work is only on a general computer, this is almost impossible. So the production team created its own render farm, powerful machine performance and huge number to complete such a huge amount of work. For small teams, studio, freelancer, and individual producers, rendering take the same time. If they want to spend a lot of time using the computer for rendering work, this is undoubtedly a time-consuming thing, and they are unacceptable. These various reasons, coupled with uncontrollable factors such as computer crashes, special effects artists often cannot complete the work within the time specified by the producer due to rendering problems. Moreover, the labor, material, and electricity required to maintain computer rendering. The cost is also a big fee for the production company! So it is very necessary to work with some render farms. Not only can it save the time of the production staff, but also can use a large number of machines in a limited time to complete the work in a short time. The emergence of cloud rendering technology makes the render farm more mature. Cloud rendering is to upload materials to the cloud and use this cloud computing system of the rendering company to render remotely. Another advantage of cloud rendering is that small studios can also be responsible for rendering high-quality materials. In the film industry, this technological change is no less than the change that cloud computing itself brings to the IT industry. Taking Fox Renderfarm as an example, no matter where the special effects technician is, they can use cloud rendering services to complete the "trilogy": 1. Upload your project; 2. Wait for the rendering to complete; 3. Download to the local machine. In addition, they can call more machines according to their urgency, and they can arrange the order of rendering and monitor the progress of rendering at any time. At the same time, the price is relatively low, which is accepted by many film and television special effects companies, rendering studios, and individual designers. So, why not have a free trial on Fox Renderfarm now? to experience the amazing cloud rendering services to speed up your rendering.
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2020-05-12
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