Pitney Bowes MapInfo Vertical Mapper - Manual (Page 105)

Chapter 6: Working with Grids
User Guide
103
The New Group button enables you to add a new group to the dictionary. You can also access this
command by right-clicking and choosing the New Group command from the shortcut menu.
The Remove Group button enables you to delete a group from the dictionary. You can also access
this by right-clicking and choosing the Remove Group command from the shortcut menu.
The Pack on Exit check box enables you to re-number the internal class number for all classes
starting sequentially at one. For grids that have fewer than 255 classes, this may reduce the size of
the grid file.
The Legend button enables you to specify range, text, and format options for the legend.
Displaying Legends
In order to understand the visual importance of a grid, you can create a legend for it.
1. From either the Grid Colour Tool for numeric grids or the Dictionary Editor for classified grids,
click the Legend button.
2. In the Legend Generator, define the range, text, and format options.
3. Click the OK button to display the legend in a new Map window.
Note You can also access the Legend Generator from the Tools button in the Grid Manager.
Choose the Grid Legends command, click the Ellipsis button next to the grid name, and
then click the Legend button.
Exploring the Legend Generator Dialog Box
This dialog box provides options for constructing a legend showing either the continuous range of
colours and values that comprise a numeric grid or the colours and class names contained in a
classified grid.