HOLLYWOOD — Marcus Thibodeaux has drawn the shot before the camera exists for twenty-six years, and last spring a director handed him something new to react to: a folder of images a piece of software had generated overnight, and the question of whether he could “just clean these up.”

Thibodeaux is a storyboard artist. His job is to sketch a film scene by scene before anyone builds a set or blocks a shot, turning a director’s sentences into panels a crew can actually work from. It is old, invisible craft, and it is now sharing a room with image-generating tools that can produce a slick, confident picture from a line of text in seconds. The artists who do this work are, by and large, neither denying that the ground has moved nor performing despair about it. They are working out what they still do that the machine does not.

“The software gives you a beautiful still that doesn’t know what a scene is,” Thibodeaux said in the small shared studio he rents with two other artists. “It will draw you a gorgeous frame where the geography is impossible — the door is on the wrong wall, the eyelines don’t match, you could never cut it together. My job was never to make a pretty picture. It was to make sure the picture can be filmed and edited. That part it still cannot do.”

He is not romantic about the change. Directors increasingly arrive with generated “look” images and want the boards built around them, which speeds some jobs and cheapens others, and the conversation about rates has gotten harder. His deeper worry is the one heard on every idled soundstage in town: the bottom rung. The entry-level work that once taught a young artist the trade — the endless revision passes, the crowd scenes, the thankless reference-gathering — is exactly the work a client is now tempted to hand to a program. “You learn this job by doing the boring parts for years,” he said. “If the boring parts go to the machine, I honestly don’t know where the next generation of us comes from.”

Not everyone in pre-production shares his relative calm. But a producer who has hired Thibodeaux across four films argued that the panic misreads what a board is for. “I can generate a hundred images in an afternoon and I still cannot shoot a movie from them,” she said, asking that her name be withheld because she was not cleared to discuss studio practice. “What I pay Marcus for is judgment — what to show, what to withhold, how a sequence breathes. The tools made the pretty part cheap. If anything, they made the judgment part more valuable.”

Thibodeaux has started folding the software into his own process, using it to rough out options he then redraws by hand, the way earlier artists absorbed the photocopier and the drawing tablet without giving up the pencil. He suspects the craft will survive in a smaller, more senior form, which is its own kind of loss. “I’ll be fine. I have the years,” he said, capping a marker. “It is the twenty-two-year-old with the good eye and no credits I keep thinking about. Somebody has to give that kid the boring work, or there is no artist at the end of it.”