Trajectory plot

[Fabian Senf]

Michel,

1) use q ll2xy   lon lat     to convert your coordinates in plot
positions

2) best way is to create a new finer data set in before using e.g.
spline interpolation and then plot with draw line in GRADS

Regards,

Fabian



On Wednesday 12 March 2008 05:44, Michel dos Santos Mesquita wrote:
> Dear Grads' Users,
>
> I am new to GrADS and I would like to make a plot of different storm
> trajectories. Each storm is defined by a set of lat and lon values.
> Normally, I do that using Matlab or NCL, but I would like to use
> GrADS this time, since my other plots are in GrADS. I have searched
> your website/mailing list and I found the command "draw line", with
> which I could plot a line using the x/y position of the storm center.
> My questions are:
>
> 1) Is there a function to convert my lat/lon data to the x/y
> positions of the plot in GrADS?
>
> 2) If I use 'draw line' to each segment of a storm trajectory, how
> can I smooth that trajectory in the end?
>
> 3) Is 'draw line' the only function for plotting trajectories ?
>
>
> I would like to thank you so much in advance!
>
> Kindest regards,
>
> Michel Mesquita
> http://web.mac.com/mmeclimate