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ArtStudio is just too good not to leave a review for. I’ve been using Photoshop on my PC for drawing, photo editing, and professional work for the past six years and when I finally got an iPad with Apple Pencil support I was really hoping Procreate or one of the numerous other drawing/editing apps would be able to replace the feel of PS. Unfortunately, even though Procreate is indeed an amazing drawing program, it still doesn’t really satisfy my need for the familiar feel of photoshop and drawing with photoshop brushes. ArtStudio Pro solved all my problems. It’s got everything you could need and MORE (I especially love their amazing smoothing/line weight algorithm and pressure customization). It’s basically Photoshop, but without having to pay the ridiculous Adobe subscription every month. The price for this app is perfect, in my opinion (and honestly it’s even a bit low, for all it’s able to accomplish) and I really want to give a huge thank you to everyone who worked on/is working on this app and updating it. You’ve saved me so much money and frustration. Hats of to you!
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Alban Denoyel allowed us to repost an amazing article on his first drone 3D capture experience.
As some of you know, I’m a big advocate of 3D capture. I believe it’s the next big capture medium. I 3D scan a lot of things, you can see some of my favorites here. When I first heard about drone 3D capture, with examples showing up on Sketchfab in the early days, I immediately wanted to give it a try. It took me a number of years to get to it, and I finally just made my first drone 3D capture! It’s not a capture of a random thing, it’s the capture of the latest mural pasting by JR, one of my favorite street artists. This is a story about JR, photogrammetry, and drone 3D capture.
JR is a french artist known for his massive collages of portraits all over the world. My favorite work from him is the guy walking on Flatiron plaza, which made the cover of the New York Times. His latest work, called “Guns in America”, is a collaboration with TIME magazine, about what hunters, activists, parents, students, politicians, police officers and other Americans say about gun ownership and gun violence in America. He made a huge mural of it on an disused building in the Navy Yard, right in my own street in Brooklyn. It was the first time I saw the actual process of making this happen, with a crate and people spending hours pasting huge pieces of paper on an immense wall, which got me to realise how intense the process was. As soon as I saw that, I naturally wanted to make a 3D capture of it.
My go to 3D capture method is to take a number of photos with my (regular) phone, and process them with a photogrammetry software. Photogrammetry is simply the process of stitching a number of overlapping photos together, it does automagically all the hard work of reconstructing them into a 3D file and texture. It’s longer and more tedious than using a depth camera (like the kinect or the depth sensor of the iphone X), but the resolution is typically much higher, and the capture part is hardware agnostic (any camera can do the job). There are a number of photogrammetry software out there, my go-to solution is Photoscan, which is in the high end of software which can run on mac. So I did do a first capture this way, just using my iPhone (6s) and 50 or so photos to make a capture, below. As you can see, the capture is not great because it’s all done from the ground, so I had to find something better. Plus the pasting was still in progress and some of the mural was missing.
My first attempt, using just my phone from the ground
Drone 3D capture
The solution was naturally to use a drone to be able to shoot from above. I had never done it myself, but we had a DJI Phantom 4 at the office, and Corentin from my team had made a few experiments with it (shooting the house of our team event last year, and a building from the Bushwick collective). Drone photogrammetry is not too different from regular photogrammetry, it’s just that the photo input is taken with a drone. There are a number of specialized aerial 3D mapping software like Pix4D, helping you define a capture path, and taking care of the 3D reconstruction. In my case, I just manually took photos 1 by 1, and processed them with Photoscan. I synced with Marc, JR’s studio manager, who asked the building owner for permission to do it, and was able to get on the building to make it happen. I took 82 photos of the mural, you can see below a screenshot of Photoscan showing the different camera angles:
Photoscan showing the 82 camera angles of my 3D capture
And here is the final result. The texture is 8k and the model is 500k polygons, so it might take a little while to load.
My first done 3D capture
As you can see, it’s not quite perfect yet. I wish I had taken many more photos from more angles, to have a better end result. I’m still pretty happy with it given it’s my first try, and can’t wait to make more!
My first drone 3D capture: "Guns in America" mural by @JRart in collaboration with @TIME, 3D/VR/AR view: https://t.co/Ku26u115BW via @Sketchfab. More on this project: https://t.co/9K40YQGAmu pic.twitter.com/KM69IzJD2f
— alban denoyel (@albn) November 16, 2018