562 search results - page 18 / 113 » On theoretical backgrounds of CAD |
CAD
2006
Springer
13 years 7 months ago
2006
Springer
Fat arcs form bounding boxes for planar curves. An example on approximation by fat arcs, provided by Qun and Rokne, is corrected. The third derivative of the given curve segment u...
CAD
2006
Springer
13 years 7 months ago
2006
Springer
A novel method for projecting points onto a point cloud, possibly with noise, is presented based on the point directed projection (DP) algorithm proposed by Azariadis P., Sapidis ...
CAD
2007
Springer
13 years 7 months ago
2007
Springer
We introduce a novel representation for visibility in three dimensions and describe an efficient algorithm to construct it. The data structure is a spherical map that consists of...
CAD
2004
Springer
13 years 7 months ago
2004
Springer
: LOGO is a programming language incorporating turtle graphics, originally devised for teaching computing to young children in elementary and middle schools. Here we advocate the u...
CAD
2000
Springer
13 years 7 months ago
2000
Springer
In this paper we consider error propagation in geometric constructions from a geometric viewpoint. First we study affine combinations of convex bodies: This has numerous examples ...