cherry_picked the old track with candsearch_in_pix_rest and all tests…

[alexlib]

… failed :)

we know for sure that the present master branch is wrong but tests pass :)

Test tracking multiple files 2 cameras, 1 particle 16: step: 10095, curr: 1, next: 1, links: 1, lost: 0, add: 1 16: step: 10096, curr: 1, next: 2, links: 1, lost: 0, add: 1 16: step: 10097, curr: 2, next: 2, links: 2, lost: 0, add: 0 16: step: 10098, curr: 2, next: 1, links: 1, lost: 1, add: 0 16: step: 10099, curr: 1, next: -1, links: 0, lost: 1, add: 0 16: step: 10100, curr: -1, next: 1, links: 0, lost: -1, add: 0 16: step: 10101, curr: 1, next: 1, links: 1, lost: 0, add: 1 16: step: 10102, curr: 1, next: 2, links: 1, lost: 0, add: 1 16: step: 10103, curr: 2, next: 2, links: 2, lost: 0, add: 2 16: step: 10104, curr: 2, next: 3, links: 1, lost: 1, add: 2 16: step: 10105, curr: 3, next: 3, links: 3, lost: 0, add: 3 16: step: 10106, curr: 3, next: 4, links: 3, lost: 0, add: 3 16: step: 10107, curr: 4, next: 4, links: 3, lost: 1, add: 4 16: step: 10108, curr: 4, next: 5, links: 3, lost: 1, add: 4 16: step: 10109, curr: 5, next: 5, links: 3, lost: 2, add: 5 16: step: 10110, curr: 5, next: 6, links: 3, lost: 2, add: 5 16: step: 10111, curr: 6, next: 6, links: 3, lost: 3, add: 6 16: step: 10112, curr: 6, next: 7, links: 1, lost: 5, add: 6 16: step: 10113, curr: 7, next: 7, links: 3, lost: 4, add: 7

so the tests are wrong :) as we add multiple particles that do not exist

[alexlib]

obsolete see #198