is_linestring | R Documentation |
A step is a movement from one point to the next, with an sftraj object this manifests as a linestring. If, however, one of these two points is missing, the sftraj is created as a geometery collection of two points, the beginning and the end point, where one of the steps is NA. This function checks a trajectory geometry if its a linestring and returns a vector of T/F.
is_linestring(x)
x |
an sftraj object |
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