X=[  1;  0;  1;  0;   .2; .3;   .5;  .8]
Y=[  5;  5;  0;  0;    1;1.5;  2.5;   4]
Z=[ 10; 10; 10; 10; -100; 10; -100; 500]
GRID\XYOUT\-messages X Y Z M XOUT YOUT
!
window 0
defaults
clear
!
set
 %yimagticlength 2
 %xnumbersheight 5
 %ynumbersheight 5
 xdropfirstnumber 1
 xdroplastnumber 1
 ydropfirstnumber 1
 ydroplastnumber 1
 xticangle -90
 yticangle 90

density\diffusion x y z
!
!destroy x y z xout yout m