154 |
between relevant parts of documents. |
between relevant parts of documents. |
155 |
This form of annotation is often used on images: |
This form of annotation is often used on images: |
156 |
a label is placed on the margin and a line is drawn to the relevant |
a label is placed on the margin and a line is drawn to the relevant |
157 |
point in the image, see Fig.\ [ref-fignasa]_. |
point in the image, see Fig. [ref-fignasa]_. |
158 |
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159 |
Another approach is to treat the local hypertext structure as a graph, |
Another approach is to treat the local hypertext structure as a graph, |
160 |
and visualize it as such. |
and visualize it as such. |
174 |
and suggests links to the related pages as thumbnails in the margin. |
and suggests links to the related pages as thumbnails in the margin. |
175 |
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176 |
In this article, we take the ideas seen in the above references |
In this article, we take the ideas seen in the above references |
177 |
and |
a logical step further, using some visual ideas seen in Fig. [ref-fignasa]_. |
|
a logical step further, using some visual ideas in Fig. [ref-fignasa]_. |
|
178 |
We begin from simple design principles |
We begin from simple design principles |
179 |
and develop a number of new user interface techniques |
and develop a number of new user interface techniques |
180 |
to create a usable interface. |
to create a usable interface. |
181 |
These techniques are mostly made possible by |
These techniques are mostly made possible by |
182 |
modern graphics accelerators, which enable, even on commodity hardware, |
modern graphics accelerators, which allow several visual effects |
183 |
several visual effects that merely five years ago were possible only on expensive |
on commodity hardware that would have required |
184 |
graphics workstations. |
expensive graphics workstations merely five years ago. |
185 |
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|
186 |
The new visual tecniques include link targets |
The new visual tecniques include link targets |
187 |
floating around the focus called *buoys*; *break lines*, a way of showing |
floating around the focus called *buoys*; *break lines*, a way of showing |