Description Usage Arguments Value Author(s) Examples
View source: R/calc_prediction_sites.R
Recursive function to calculate the offset from the downstream
junction needed to place points with fixed distance along the streams.
It is called by calc_prediction_sites
for each
outlet and should not be called by the user.
1 | calc_offset(dt, id, offs, dist)
|
dt |
data.table containing the attributes of the stream segments |
id |
integer; 'stream' of the stream segment |
offs |
number; offset from outlet of the stream segment (downstream); equals the length of the segment if the point shall be placed directly at the downstream junction. |
dist |
number giving the distance between the points to create in map units. |
Nothing; change 'offset' in dt.
Mira Kattwinkel, mira.kattwinkel@gmx.net
1 2 3 4 5 6 7 8 | ## Not run:
outlets <- dt.streams[next_str == -1, stream]
netID <- 1
for(i in outlets){
calc_offset(dt.streams, id = i, offs = 0, dist = 200)
}
## End(Not run)
|
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