<P> On the other hand, from a computer science perspective, Frits H. Post in 2002 categorized the field into sub-fields: </P> <Ul> <Li> Information visualization </Li> <Li> Interaction techniques and architectures </Li> <Li> Modelling techniques </Li> <Li> Multiresolution methods </Li> </Ul> <Li> Interaction techniques and architectures </Li> <Ul> <Li> Visualization algorithms and techniques </Li> <Li> Volume visualization </Li> </Ul>

Give 2 ways that could be used to input and visualize data