Note: this appears no to function properly in the linux version

The procedure to draw a pseudo-ternary diagram is slightly different:

• Copy the macro file to your working space:

  cp /opt/mtdata/bin/trisect.mac ./

• Open this file with your favorite text editor:

  emacs trisect.mac

• Replace the line where the system is defined (def sys 'KCl,CaCl2,ZnCl2' so d_1 !) by, for example:

  def sy 'Fe,Cr,Ni' sou plus !
  class absent p(*) no p(FCC_A1,BCC_A2) !

• Edit temperature and pressure, in this example I set:

  p = 101325.0 t = 873 !

• Edit the lines setting the composition of the three corners:

  set 'A' 1.0 0.0 0.0 !
  set 'B' 0.75 0.25 0.0 !
  set 'C' 0.75 0.00 0.25 !

• These compositions are in weight percent, so we need to change the line set n 1 ! by:

  set w 1 !

• Save the changes.

In MTDATA, we can now start the calculation:

WHICH MODULE ? './trisect.mac'
APPLICATION OPTION ? compute !