23
Object Representation in RIO
• 3D objects are represented by a 3D mesh and set of 2D view classes.
• Each view class is represented by an attributed graph whose
nodes are features and whose attributed
edges are relationships.
• For purposes of indexing, attributed graphs
are stored as
sets of 2-graphs, graphs with 2 nodes and 2 relationships.
ellipse
coaxial
arc
cluster
share an
arc