IBM Cognos User Manual page 333

v views based on a configured Cognos namespace on the Custom Views tab (left
pane)
v all the levels and categories in the selected dimension, in the category viewer
(right pane)
You can access the main menu, toolbar buttons, and pop-up menus from any pane
and use these controls to fine-tune your model. For example, you can
v expand or collapse folders to show or hide details
v zoom in and out with the font size changing automatically to suit the degree of
magnification
v access the associated property sheet by double-clicking an item
v add or delete one or more categories or levels
v use the Show Reference command to show the origins of a level
From the Tools menu, click Show Reference.
v move one or more categories, provided the Order By option is not specified for
the level
v exclude or suppress a level
v define a set of levels or categories, and apply one or more operations or
calculations to them
The category viewer icons indicate which properties apply to the listed categories.
The only exception is apexed categories. There is a toolbar icon
but no viewer icon for it.
The icon for a calculation applied at the dimension level is slightly different
from that used for a calculated category. We recommend that you use the
Calculation Label option to clarify for your users the nature and scope of a
calculated category maintained by a dimension.
User Interface Operations That Are Not Valid
You cannot perform the some actions.
These actions are
v remove the root category from a diagram
v remove drill categories from diagrams, unless an alternate drill-down path exists
v remove measures that are used in the expression of a calculated measure
v remove cubes from a cube group
v connect categories to descendants situated at the same level
for apexing
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Appendix D. Reference