interpolate_point: Interpolate point on line
Description
Internal function to interpolate a point for a specific latitude on a parallel line.
Usage
interpolate_point(line, latitude, lat_name, lon_name)
Value
Vector with interpolated longitude and latitude.
Arguments
- line
Data frame representing a parallel line.
- latitude
Target latitude.
- lat_name
Name of latitude column.
- lon_name
Name of longitude column.