Re: Contour or mesh plots with irregular meshes

[David Bateman]

Chong Yidong wrote:
> I have a set of data points {x,y,z} that I'd like to plot in way similar
> to mesh() and/or contour().  However, the {x, y} positions are not
> placed on a regular grid, and mesh() and contour() take gridded data.
>
> Does anyone have a suggestion for how to make the plot?
>   
Use the griddata function to interpolate the data to a regular grid 
first or look at the code

http://hdebruijn.soo.dto.tudelft.nl/www/programs/delphi.htm#omtrek

D.