Reconstructing a surface out of a three-dimensional set
of points, which is obtained by sampling an object's boundary,
is done by generating an arbitrary triangular mesh. Our approach
is to obviate the computation of such a mesh connectivity and to
represent the object's surface only by the point cloud.
We discuss how such a point cloud representation can be
visualized and present processing steps like coarsifying
and smoothing, which are important for dealing with the
objects. Further we apply a multiresolution method to point
cloud representations and use this technique as well as others
for modelling purposes.