New answers tagged

1

I'd argue that Bearing is more correct than Course in this context, although a big caveat is that I'm an Android developer. Also, the answers you get may differ depending on what industry they are coming from. Here's a related question on aviation.stackexchange.com comparing Bearing, Course, Direction, and Heading. Course, in the traditional sense, implies ...


0

After a lot of research and talking to suppliers, I ended up for this use-case with a rover RTK design using the ublox f9P module, and using bluetooth to communicate between base and rover. Our team will test performance next week.


3

First you need a map of world polygons. > library(rworldmap) > m = getMap() Then you need your points in a spatial format. I'll make some random points on the globe and create a SpatialPointsDataFrame using the sp package and making sure they have the same projection string as the map: > set.seed(123); d = data.frame(long=runif(100,-180,180), lat=...


0

If you have longitude, latitude and ellipsoidal height, you have coordinates over an ellipsoid (the WGS84 ellipsoid in your case) and related to a coordinates frame (the WSG84 geodesic frame in your case). Imagine that, a single ellipsoid among all possible, with its center, axes (ellipsoid axes) and origin of coordinates (center meridian) positioned and ...


0

The ellipsoidal height does not affect the latitude longitude. so only extracting xy from xyz should be fine.


0

while inserting data in table you can have two check 1)You can create a buffer (st_buffer) around your road network and check if point intersects (st_intersects) your buffered area. 2) The distance between last recorded gps coordinates of that point and new gps coordinates is not more than 100m (ST_DISTANCE). Only then you insert that record in you DB. ...


0

After you imported the *.csv file as layer into QGIS, right click on the layer > properties > style Change it into "Point Displacement"


Top 50 recent answers are included