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Digitizing a Boat Hull: Mac26 Modeling Data
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[QUOTE="DaveC426913, post: 6850397, member: 15808"] [B]TL;DR Summary:[/B] Want to digitize my boat so I can print it out. Looking for a low-tech solution for the digitization process. My boat (Mac26) is not revered enough for anyone to have bothered to data model its shape. My Mac26 friends have all expressed an interest in getting their hands on it. I've been trying to think of an expedient and cost effective way of modeling it in data form. One way is to place equally-spaced markers on it every few feet and then photograph it from the front-back, and that should give me cross-sections. Another way is to make some sort of L-shaped wood frame, calibrate it with the centreline, and move it along the hull, writing down X,Y measurements as I go. I'm not sure the data model needs to be all [I]that[/I] accurate to the real thing, but it's got to [I]look[/I] smooth. (So, precision is more important than accuracy[B]**[/B].) Maybe a slice every foot along its length - tighter near the bow. Widthwise is a little trickier, since the hull does have chines and rub rails and stuff, meaning I might want a much finer resolution. Also I'm not sure which way to go: [LIST=1] [*]Get data that's high enough resolution to use it [B]directly[/B] for the 3D modeling (in Blender) by joining the data points. This would be more work at the boat, but less in Blender. The downside is that it would be a - er - "voxelated" model (3D equivalent of pixelated). The grid of data points would not align with the vertices of the hull. [*]Just take low-rez data and use it as [B]guidelines[/B] to build the model manually (in Blender). This would mean such things as the chines would be perfectly straight, since I'd be drawing them myself, effectively as straight line vectors. [/LIST] [B]**[/B] [ATTACH type="full" width="543px" alt="Screenshot%202019-06-21%20at%204.03.26%20PM.png"]321655[/ATTACH] (I'm super pleased that I am able to employ this infographic in an actual explanatory role!)Confounding factors: - Can only [I]practically[/I] take measurements while it's "on-the-hard". Otherwise the paper gets soggy and I have to stop every two minutes to breathe. - Very awkward to get at some parts of hull because of the trailer. [/QUOTE]
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Digitizing a Boat Hull: Mac26 Modeling Data
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