3D Guidebooks update
During Startup School I experimented with creating a new kind of guidebook for climbers.
Instead of photographing or drawing the rock faces & drawing the routes on them I attempted to create a detailed 3D model of the whole face & use that in a guidebook app.
I’m discontinuing that experiment for now but I want to document what I have learned here.
- It is possible to get relatively good 3D models with photogrammetry BUT …
- You absolutely need to fly the drone missions in winter on overcast days.
- It is hard to pre-program the missions to fly with tools like Drone Deploy.
- Getting exposure right is crucial. The easiest way is to fly on an overcast day at noon.
- Tree foliage is a huge PITA. It covers the bottom of the rock faces, makes flying hard & messes with auto-exposure.
- Conclusion: the only real good way to do this is to fly missions manually with manual focus, manual exposure on overcast winter days.
Tags: climbchat 3D drone photogrammetry
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CLIMBCHAT - Francis Dierick