Thank you Jim for your response. I will try it now and then let you know if it works.
Kind regards, Kostas On Wed, Jul 26, 2023 at 1:59 AM Jim Lemon <drjimle...@gmail.com> wrote: > Hi Kostas, > The function vectorField in the plotrix package may do what you want. > See the example. > > Jim > > On Tue, Jul 25, 2023 at 9:30 PM konstantinos christodoulou > <konstantinos.christodoul...@gmail.com> wrote: > > > > Dear Rcommunity, > > > > I hope this email finds you well. I am writing to seek your assistance > with > > a data visualization problem I am facing while working with R. > > > > Problem Description: > > > > I have a dataframe named "df" containing the following columns: > > "longitude", "latitude", "sea_currents_mag", and > "sea_currents_direction". > > The dataframe includes sea current estimations, with information about > > magnitude (m/s) and direction (degrees) at various longitude and latitude > > coordinates. The study domain covers the Eastern Mediterranean Sea (23E > to > > 36W) and extends from 31S to 37N. It is important to note that the > > longitude and latitude coordinates are not evenly spaced across the > domain. > > > > Objective: I am seeking guidance on how to create a plot that visualizes > > the sea current vectors (arrows) at each coordinate. Additionally, if > > possible, I would like the borders of the surrounding countries to be > > included in the plot to provide geographic context. > > > > Specific Requests: > > > > 1. Help with plotting sea current vectors (arrows) based on > > "sea_currents_mag" and "sea_currents_direction" at each corresponding > > longitude and latitude coordinate. > > 2. Assistance with including the borders of the surrounding countries > in > > the plot to provide geographic context. > > > > I would highly appreciate any advice, code examples, or packages that > could > > assist me in achieving this visualization goal. > > > > Thank you very much for taking the time to read my email, and I look > > forward to any assistance you can provide. > > > > Best regards, > > Kostas > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see > > https://stat.ethz.ch/mailman/listinfo/r-help > > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
