Re: [Gnuplot-info] Ploting a 3D Ternary Phase Diagram - dgrid3d Problem...

[K T A <ch...@gm...>]

Thanks for your reply!


Nicolau Leal Werneck wrote:
> 
> What is the format of your data?... And how did you generate your
> triangular grid?

Every datapoint has 4 values, but I only need 3 since the basetriangle is in
fact only a illusion :) it shows the chemical components of crystals and it
always add up to 100% so I only need 2 values. The 3rd used value is the
position on the z-axis which represents a special property of the crystal at
the given mixture.

I generated the triangle simply using the "set arrow nohead" command and I
fit the data into it with
"gx(x,y) = x + y * cos(60)"
"gy(x,y) = y * cos(30)"...


Nicolau Leal Werneck wrote:
> 
> if you have your data structured somehow, probably you'll just have to
> "expand" it in (x,y,z) tuples.
> 

No, the data is not really structured, I played with some datafile
structures but it is a nightmare - I would have to add far to many
supportpoints...


Nicolau Leal Werneck wrote:
> 
> What are you plotting afterall?... points, lines or surfaces?
> 

Plotcommand: "splot "testpoint.dat" using (gx($1,$2)):(gy($1,$2)):(gz($4))
with lines notitle"

I have to find a way to plot a 3d layer but only in the borders of the
basetriangle...:confused:

KTA
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