This paper describes a method for manipulating a threedimensional object without considering conventional three independent orthogonal views. We apply the direct manipulation to o...
Cleogo is a novel groupware environment that allows several users to simultaneously develop programs through any mixture of three alternative programming metaphors: a direct manip...
Direct manipulation interfaces are characterised according to the representation of the task domain: the domain objects and the effect of user operations on those objects. In the ...
The limitations of palmtop computers are their display size and pointing mechanisms. This makes it difficult to use them for direct manipulation of very large objects, such as Wor...
When they encounter problems with a novel or infrequently performed task, experienced users often complete their work by referring to manuals and trying task-oriented exploration....