Photogrammetry
Photogrammetry
1) Label your offcuts visually through your preferred method (tape and marker for label, etc.) These labels should be seen on the surface plane of your offcut, not at the end or edge.
2) Use a flatbed cart to move your offcuts to the imaging lab. Determine what is your longest offcut (by eye) and place it on top of the pile. Don't forget gloves and a yard stick!
3) On the white backdrop where it meets flat with the table, mark a line (with tape) parallel to the camera lens. Do not worry about the exact distance of the tape from the table edge, camera distance will be addressed in Step [5].
4) The offcut needs to be photographed from a straight-on angle, meaning that the camera is approximately the same height as the table & offcut.
5) Place your longest offcut along your image plane. Moving your camera closer or farther, adjust the camera distance to the point where you’re able to capture the entirety of the offcut.
6) Now that you have your camera set up, ensure not to move this setup as consistent framing will be essential in the post-production process. Once you have completed these steps, feel free to photograph the offcuts! This will be the longest part of your process, as you’ll be photographing the offcuts as well as the yard-stick. Refer to the image carousel below for more details.
7) On the right is an example set of eight offcuts; note the order in which the offcuts and yard sticks are photographed. Ideally, one would photograph the yard-stick more than two times to have a set of legible distances (more the better!)
After you have photographed all of the offcuts and yard sticks, export your images to Google Drive.
7) Follow this 3-minute video for steps on the post-production process of your images.
8) Final step! Follow this two-minute video for steps on processing these images through Grasshopper.