getupdown: Calculate the x and y values of points a specified distance...
In trevorjwilli/streamgradientR: Calculates stream gradient using spatial points, lines, and a DEM
Description
Usage
Arguments
Details
Description
Calculate the x and y values of points a specified distance
upstream and downstream a point on a line
Usage
1
Arguments
points
A SpatialPointsDataFrame in a planar projection
lines
A SpatialLinesDataFrame in a planar projection
seglength
Numeric 1L The distance upstream and downstream to calculate new points
idcol
Character, optional column name for an identification column from points input
Details
This function calculates the x and y values that are d units away from points a known
distance along a lines spatial object. NOTE: it will only work if the input spatial data are in
a planar projection (i.e. UTM).
trevorjwilli/streamgradientR documentation built on Dec. 31, 2020, 8:46 a.m.
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Description Usage Arguments Details
Description
Calculate the x and y values of points a specified distance upstream and downstream a point on a line
Usage
1 |
Arguments
points |
A SpatialPointsDataFrame in a planar projection |
lines |
A SpatialLinesDataFrame in a planar projection |
seglength |
Numeric 1L The distance upstream and downstream to calculate new points |
idcol |
Character, optional column name for an identification column from points input |
Details
This function calculates the x and y values that are d units away from points a known distance along a lines spatial object. NOTE: it will only work if the input spatial data are in a planar projection (i.e. UTM).
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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