Description Usage Arguments Value
Traverse from top row to bottom row of matrix. If distance 'dist' lies on matrix 'mat', return interpolated pt and remainder distance of zero. If 'dist' is farther than the end of 'mat', return end of mat as pt and remainder distance.
1 |
mat |
is a stream path |
dist |
is the length to travel down the stream path |
a list c(new position, distance remaining, orientation of travel)
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