Example 1

The figure below was produced by the following commands:

 X = {1;0;1;0;.2;.5;.8}
 Y = {1;0;0;1;.2;.5;.8}
 Z = {0;0;0;0;10;0;-5}
 GRID\XYOUT X Y Z M XOUT YOUT   ! interpolate a matrix
 CONTOUR\LEGEND XOUT YOUT M 10  ! 10 contours of matrix M

Example 2

The figure below was produced by the following command (assuming the same data as above):

 CONTOUR\LEGEND\COLORS\LINEWIDTHS [-1;-1;-1;-1;-2] [1;1;1;1;2] XOUT YOUT M 15

Example 3

The figure below was produced by the following command (assuming the same data as above):

 CONTOUR\LEG\LINEW [1;1;1;1;2] XOUT YOUT M 15 0 0.5

Example 4

The figure below was produced by the following commands (assuming the same data as above):

 SCALES 0 1 0 1
 CONTOUR\LINEW [1;1;1;1;2] XOUT YOUT M 15 0 0.5

Example 5

The figure below was produced by the following commands (assuming the same data as above):

 SCALES 0 1 0 1
 SET COLORMAP THERMAL
 DENSITY XOUT YOUT M
 CONTOUR\LINEW [1;1;1;1;2] XOUT YOUT M 20 -5 0.5

 Axes