user manual

112 Chapter 5: Creating an iTool
Example: Simple iTool iTool Developer’s Guide
We next create a default grayscale ramp in an IDLitDataIDLPalette object, and assign
this the parameter name
'Palette'.
We use the ITREGISTER procedure to register our iTool class with the name
"Example 1 Tool".
Finally, we call the IDLITSYS_CREATETOOL function with the registered name of
our iTool class, specifying the visualization type as
'Image-Contour', which is the
name of our custom visualization.