The geometric approach is intuitively appealing and lends itself to suggestive graphical representations.
It should be quite simple to reimplement the same functionality using other graphical toolkits or libraries.
The consistency with which graphical environments access computer hardware has facilitated the development of software-based access utilities.
Computer-based dose optimisation both volumetr ic and geometric are available along with interactive graphical dose shaping.
For belief networks this documentation will already be available from the construction of the graphical part of the network.
Further, a graphical representation would have greatly enhanced the exposition of the theory.
Figure 7 analyses two graphical objects extracted from figure 6 for which the different criteria are indicated.
Different controls are equipped with different reaction rules, often called rewriting rules in syntactic or graphical systems.
