Graphics Reference
In-Depth Information
Figure
.
.
Linking between a node-edge graph and a barchart. he graph represents web pages. he
barchart shows the type of the page, with the largest bar representing “normal” pages (not images or
queries/scripts) selected
Figure
.
.
Linking between hierarchical clustering and a barchart. he right graph is a parallel
coordinates view of marriage percentages for four different age ranges. he view on the let is a linked
hierarchical clustering view showing aggregations into groups. As usual, the brightness scale represents
degree of interest, with black representing
% interest and light gray
%interest
We are not even tied down to one particular representation of the clustering tree.
In Fig.
.
we show several different representations of the same clustering tree.
hepolarversionisasimpletransformationofthetreeviewshowninFig.
.
.he
treemap in the bottom two views was invented by Shneiderman (
).It is a space-
filling design reminiscent of mosaic displays. In a treemap, we repeatedly subdivide
a rectangular area in proportion to the size of the children of a node. hus the total
space is represented by the whole rectangle, whichis then split into two sections (the
