Description Usage Arguments Details Value See Also
Construct a set of receptors, using a FreeFlowLinks as the basis.
ReceptorRings constructs concentric rings of receptors at specific
distances from links
.
1 2 3 4 5 | ReceptorGrid(links, z = 1.8, resolution = 1000, maxDistance = 1000,
rgeos.scale = 1000000)
ReceptorRings(links, z = 1.8, distances = c(50, 100, 250, 500, 1000),
spacing = identity, rgeos.scale = 1000000)
|
links |
a FreeFlowLinks object |
z |
elevation in meters |
resolution |
spacing between receptors, in meters |
maxDistance |
buffer radius, in meters |
rgeos.scale |
can be adjusted if precision warnings occur |
distances |
list of distances to the roadway centerline, in meters |
spacing |
TODO |
links |
a FreeFlowLinks object |
z |
elevation in meters |
rgeos.scale |
TODO |
ReceptorGrid constructs a regular Cartesian grid of receptors no more
than maxDistance
from links
.
SpatialPointsDataFrame
SpatialPointsDataFrame
ReceptorRings
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