General feeling of frustration tonight (time of writing: Friday 5/9). Hard to put into words. But I could draw it. (might need to zoom in)
- The Green things are things that I have figured out.
- The Red things are things that definitely have not worked for me.
- The Yellow Things are things I want to be able to to.
- The Orange things are things that I haven’t yet figured out. They depend on each other, there is usually a chain.
- I forgot about Minecraft Prints. Those fall under “Color print that I might could afford”, pretty much.
Latest Frustration Tonight
It turns out a Agisoft PhotoScan project file (.PSZ) looks like a ZIP file, with a doc.xml, which has the below structure – so I could write code to hunt through 1420+ images, and select the best 50, spread out.
The code looked like this (sorry, no LINQ, going old school here, command line parameters, etc)
Except that the PSZ not really a Zip file. When I tried to stuff the modified doc.xml back into the .PSZ file, it came out as being corrupted. Dead End? Retry with 7Z? Extra metadata? older compression format? ?
I guess what I have is code that tells “which cameras I should enable”. That’s workable, except that I need to grab frames/image[@path] so that a human could identify it.
Future: Maybe I could write code to read the video, figure out the quality of the frames, and only extract the best frames?
Also: the $3000 version of Photoscan has a Python Scripting interface. Sorry, I’d rather buy a color 3D printer than that.
However, good news, it looks like I might finally have a lens profile for a GoPro Hero3 in 720p (x120FPS) Wide mode. I had to play with the focal length, for some reason numbers like 0.1mm and 2mm work way better than 7mm that folks advertise. More to be proven later.
