Build with my dataset

[Traveleriocc]

if i want to build with my dataset, how to get the parameters in camera.txt? and what do these parameters represent?

[oneLOH]

it is same to colmap camera format.
the number and meanings of parameters are related to the camera model.
here is an example:
"1 SIMPLE_RADIAL 640 640 300 320 320 0.0"