geo_planepoint {geoops} | R Documentation |
Takes a triangular plane as a Polygon and a Point within that
triangle and returns the z-value at that point. The Polygon needs to
have properties a
, b
, and c
that define the values at its
three corners.
geo_planepoint(point, triangle)
point |
Feature<Point> the Point for which a z-value will be calculated |
triangle |
(numeric) the z-value for interpolatedPoint
point <- '{ "type": "Feature", "properties": {}, "geometry": { "type": "Point", "coordinates": [-75.3221, 39.529] } }' triangle <- '{ "type": "Feature", "properties": { "a": 11, "b": 122, "c": 44 }, "geometry": { "type": "Polygon", "coordinates": [[ [-75.1221, 39.57], [-75.58, 39.18], [-75.97, 39.86], [-75.1221, 39.57] ]] } }' geo_planepoint(point, triangle)