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  • This boxright hereit holds one of the unsung heroes of Hollywood production,

    這個盒子--就在這裡--它裝著好萊塢生產的無名英雄之一。

  • the tool that makes War Machine suit look like it's actually there. It's a method that

    的工具,讓戰爭機器服看起來像是真的存在。這是一種方法

  • started with a teapot and became ubiquitous. It's an essential part of a VFX film set,

    從一個茶壺開始,變得無處不在。它是VFX電影場景中必不可少的一部分。

  • but it's not a camera or a green screen. You have to search hard to see it in behind the

    但它不是一個攝像頭或綠屏。你必須努力搜索才能看到它在後面。

  • scenes videos. But this is not just a gazing ball that I bought for twenty dollars and

    場景視頻。但這並不是我花了二十塊錢買來的凝視球,而且

  • ninety nine cents. It's a key to making virtual objects look real.

    九十九美分。這是一個讓虛擬物體看起來真實的關鍵。

  • In this scene, I was behind one of the pillars. My name's Leo Bovell, I'm a VFX supervisor

    在這個場景中,我在其中一個柱子後面。我的名字叫Leo Bovell,我是一名VFX監督。

  • at Triptyc, been in the industry now for over 17, 17 years. So I've been at it quite a while.

    在Triptyc,一直在這個行業 現在超過17,17年。所以,我已經在它相當長的時間。

  • In this scene, basically, Abraham, the statue and everything, we basically had to replace

    在這個場景中,基本上,亞伯拉罕,雕像和所有的東西,我們基本上不得不更換。

  • it.

    它。

  • Obviously. Cut for them is like action for you in this situation. And you're like, I

    很明顯在這種情況下,對他們來說,切就像是對你的行動。和你一樣,我

  • have to scramble to get as many references as possible. Right between takes I get in

    必須爭分奪秒地獲取儘可能多的參考資料。就在兩次拍攝之間,我進入了

  • and I do as much as I can and then I get out of there. There are times where you can't

    我儘可能多地做,然後我離開那裡。有的時候,你不能

  • get in between takes because the creatives, they're in such a groove, they just got to

    因為創意人員,他們在這樣的槽,他們只是得到了,以獲得之間的需要

  • keep going.

    繼續前進。

  • One of the big problems VFX artists face in The Handmaid's Tale, Marvel movies, everything

    婢女的故事》中,VFX藝術家面臨的一個大問題,漫威電影,一切的一切

  • is matching fake stuff to real light. And Leo scrambled in the real Lincoln Memorial

    是把假的東西和真的光相匹配。而李奧則在林肯紀念堂的真光中爭搶

  • during the shoot because that information was crucial to create a realistic looking

    因為這些資訊對創造一個逼真的外觀至關重要。

  • Lincoln Memorial from scratch. As you can see in this BTS from Mavericks VFX. He used

    林肯紀念堂從頭開始。正如你在Mavericks VFX的這個BTS中所看到的那樣。他用的是

  • an HDRI to figure out how to make it look so real.

    一個HDRI,以找出如何使它看起來如此真實。

  • A high dynamic range image. You might have an HDR option on your phone. It helps photos

    高動態範圍的影像。你的手機上可能有HDR選項。它可以幫助照片

  • to look less blown out in really bright spots. An HDRI captures data in a high dynamic range.

    在真正明亮的地方看起來不那麼模糊。HDRI以高動態範圍捕捉數據。

  • A normal photo might look like this.

    正常的照片可能是這樣的。

  • You can't see anything, any detail or data near the sun or any trees in the shadows.

    你看不到任何東西,任何細節或數據,靠近太陽或陰影中的任何樹木。

  • Using high dynamic range fixes that by meshing different exposures, different pictures of

    使用高動態範圍固定,通過網格化的不同曝光,不同的圖片的。

  • a scene to let you see all the detail. Shadowy mush turns into visible trees and the sun

    一個場景,讓你看到所有的細節。陰暗的泥漿變成了可見的樹木和太陽。

  • becomes clear again. Computer software can take that HDRI and use all that data to figure

    又變得清晰起來。計算機軟件可以把這個HDRI和使用所有的數據來計算。

  • out how light works in a scene. Make that a 360 degree panorama and you have enough

    場景中的光線如何工作。讓它成為一個360度的全景,你有足夠的

  • data to simulate the light in a mini world. Now you can add an object to that world and

    數據來模擬一個迷你世界中的光線。現在,你可以在這個世界中添加一個對象,並在其中添加

  • it will look like the real light is hitting it with all the right highlights, shadows,

    它會看起來像真實的光線打在它的所有正確的高光,陰影。

  • and reflections. HDRI is either use to light the object or is a reference for VFX artists

    和反射。HDRI是用來照亮物體或作為VFX藝術家的參考。

  • when they light it on their own, using manually added lights, making a bunch of tweaks and

    當他們自己點亮時,使用手動添加的燈光,做了一堆調整和

  • adjustments. How does that HDR help you when you're actually off of this crazy shoot day

    調整。當你真正離開這個瘋狂的拍攝日,那HDR對你有什麼幫助呢?

  • and you have to make something from it?

    你要用它來做什麼?

  • If we've captured the light on that day and then we take that light, we put it into the

    如果我們拍到了當天的光線,然後我們把這些光線,放到了

  • computer, we get immediate feedback without trying to guess. The HDR really helps at the

    電腦,我們可以得到即時的反饋,而不用去猜測。HDR真的能幫助我們在

  • stage where we are realistically applying shaders and materials to emulate the marble.

    在這個階段,我們真實地應用著色器和材料來模擬大理石。

  • Getting an accurate HDRI really quickly is what causes all that scrambling on shoot days.

    真正快速獲得準確的HDRI,才是導致拍攝當天所有爭奪的原因。

  • The first HDRIs actually used stuff like this: gazing balls, Christmas ornaments, anything

    第一批HDRIs實際上用的是這樣的東西:凝視球,聖誕飾品,任何東西。

  • that was round and shiny and could help them get a panorama. The idea is that the picture

    是圓潤而有光澤的,可以幫助他們得到一個全景。這個想法是,圖片

  • of the gazing ball gets unwrapped into a 360 degree picture when you put it in the right

    的凝視球被解開成360度的畫面,當你把它放在正確的。

  • software. I'm going to start taking some photos and that's going to help us capture all the

    軟件。我要開始拍攝一些照片 這將幫助我們捕捉所有的。

  • light in the scene and get it in this panorama. This reflective ball is one of three main

    場景中的光線,並在這張全景圖中得到它。這個反光球是三個主要的

  • ways that people do it. Sometimes people will rotate their camera or use a lens that's really

    的方式,人們這樣做。有時,人們會旋轉他們的相機或使用鏡頭,這真的。

  • wide. VFX supervisors like Leo might also use a 360 degree camera to snag these images

    廣。像Leo這樣的VFX主管,也可能會用360度的攝影機來抓拍這些畫面。

  • really quickly because they're in the middle of a hectic situation.

    真的很快,因為他們在忙碌的情況下。

  • I use the Theta. It's a 360 camera and it's very small. So it's not intrusive. With the

    我用的是Theta。這是一個360度的攝像頭,它是非常小的。所以,它不是侵入性的。有了這個

  • Theta, usually it's a couple of seconds if you're doing a chrome ball. So you have to

    Theta,如果你做的是鉻球的話,一般都是幾秒鐘的時間。所以你必須

  • set up a tripod, you have to put the ball down. That's a couple of minutes. This is

    設置一個三腳架, 你必須把球下來。這需要幾分鐘的時間。這是

  • where the Theta makes all the difference in the world because it's such a tiny device

    在這裡,Theta是世界上所有的差異,因為它是一個如此微小的設備。

  • and you just plop it down and you get in and get out. When I'm just shooting bracketed

    你只要把它放下,你就可以進去,然後出來。當我只是拍攝括號裡的

  • with the eight millimeter lens, probably a minute. Right between takes I get in and I

    用八毫米鏡頭,大概一分鐘。就在兩次拍攝之間,我進入和我

  • do as much as I can and then I get out of there. HDR is so mainstream now that I can

    儘可能多的做,然後我就離開那裡。HDR是如此的主流,現在我可以

  • plop it into editing software and make an HDR photo.

    將其放入編輯軟件,製作一張HDR照片。

  • I took some video without the chrome ball in it, so I put my 3D image in there. You

    我拍了一些沒有鉻球的視頻,所以我把我的3D影像放在裡面。你呢?

  • see, without the light, it looks fake. Add the HDRI though, and boom, suddenly it's like

    看,沒有光,它看起來很假。添加HDRI,雖然,和繁榮,突然間,它就像。

  • it's there. Do you see the reflection of the trees or how the sun is glinting off of it?

    它就在那裡你看到樹的倒影了嗎? 或者說太陽是如何從樹上閃閃發光的?

  • Using a real environment to light a 3-D object started with work like this teapot. See the

    使用真實的環境來點亮一個三維物體,從這個茶壺這樣的作品開始。請看

  • windows reflecting in it? In the 90s, researcher Paul Debevec and colleagues pioneered the

    窗戶反射在裡面?上世紀90年代,研究者Paul Debevec和同事們率先提出了?

  • creation of HDRIs from multiple images and then using those to light 3D scenes. Without

    從多個影像中創建HDRI,然後使用這些影像來照亮3D場景。如果沒有

  • them, back in the late 90s, it was a lot harder. As his paper says, currently available techniques

    他們,早在90年代末,就已經難上加難了。正如他的論文所說,目前現有的技術

  • for realistically rendering synthetic objects into scenes are labor intensive and not always

    場景中的合成物體的真實渲染,需要大量的人力,而且並不總是

  • successful. They had to position lights, copy reference photos and program in reflections.

    成功。他們必須在反射中定位燈光、複製參考照片和程序。

  • People still have to do some of that. But you can also let HDRI light objects in your

    大家還是要做一些的。但是你也可以讓HDRI點亮你的對象。

  • scene. Today, repositories of HDRIs let you download images and simulate thousands of

    場景。今天,HDRIs的存儲庫讓你下載影像,並模擬成千上萬個

  • environments, like an old room or outside a small cathedral. This lighting often still

    環境,如一個老房間或一個小教堂外。這種照明往往還

  • comes from a ball like this one, but VFX artists don't use that extra time just to chill out.

    來自於像這樣的球,但VFX藝術家不會利用這些額外的時間只是為了放鬆一下。

  • They used to work harder.

    他們以前工作比較辛苦。

  • As a person who's thinking about light like exponentially more than the normal person,

    作為一個對光的思考比普通人成倍增加的人。

  • would you rather hang out with Rembrandt or Newton?

    你願意和倫勃朗還是牛頓一起玩?

  • Maybe Rembrandt, but ultimately, if I if I threw another name in there, it would be Degas.

    也許是倫勃朗,但最終,如果我... ...如果我把另一個名字扔在那裡,那將是德加。

  • Why Degas? Because he was just obsessive about his artwork, him constantly chasing perfection

    為什麼是德加?因為他對自己的作品就是很執著,他不斷地追求完美。

  • is something that I think drives a lot of artists and also intrigues me at the same

    是我認為很多藝術家的動力,同時也讓我感到好奇。

  • time.

    時候。

  • It is a national monument slash park. Because of that, we couldn't limit the public from

    這是一個國家紀念碑斜線公園。正因為如此,我們不能限制公眾從。

  • entering the space. It was an insane day. I mean, you had fans who showed up on the

    進入空間。這是一個瘋狂的一天。我的意思是,你有球迷 誰出現了上

  • day. You had some people who thought it was a protest. So they showed up. Again, they

    一天,你有一些人認為這是一個抗議。你有一些人 誰認為這是一個抗議。所以他們出現了。再次,他們

  • couldn't close the set, so people start to actually sneak in to some of the shots and

    不能關閉的設置,所以人們開始實際上偷偷在一些鏡頭和。

  • pose, because on the day we had about roughly one hundred and fifty actors. So you had a

    姿勢,因為那天我們有大約150個演員。所以你有一個

  • couple of fans started to sneak in. But obviously their their outfits, their garments, something

    幾位粉絲開始潛入。但很明顯,他們的他們的服裝,他們的服裝,一些東西。

  • just looked off. So sometimes some of them actually got into the shoot and it was like,

    只是看著關閉。所以有時候他們中的一些人真的進入了拍攝,它就像。

  • wait a minute, something's off here. Let's get you out of here.

    等一下,東西的關閉在這裡。讓我們帶你離開這裡。

This boxright hereit holds one of the unsung heroes of Hollywood production,

這個盒子--就在這裡--它裝著好萊塢生產的無名英雄之一。

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為什麼視覺特效師喜歡這個閃亮的球 (Why visual effects artists love this shiny ball)

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    林宜悉 發佈於 2021 年 01 月 22 日
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