How to plot 3D surface for data

Hello All I am trying to create 3d plot for an intersection Coordinates (X,Y,Z) which i have in a matrix , i made a good scattering plot from it ,but i can not make surface or plot lines between the points in the right way ,

i need to know how to draw lines between specific points

thnax in advance

[José-Luis]

Do you have the connectivity specified? In other words: which points are connected to which?

Otherwise, you could use something like a Delaunay triangulation.

 doc Delaunay