After some tests, I can say that the df3 is squeezed by about 25% along 
the x-axis. This happens within the tga2df3.exe application. The 
slice-making process is made correctly.

The easy solution is to scale the density file. Gilles Tran tells in his 
MakeCloud documentation that the df3 file is generated upside down so 
you have to scale <1,-1,1> when used as density file. Now, to compensate 
the squeeze, you can replace that by scale <1.25,-1,1>.

Needless to say that this has also consequences for making clouds with 
Gilles' macros although the outcome is less obvious to the eyes.

Thomas

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