Znanstveno-stručni časopis
Hrvatskog društva za geometriju i grafiku

Scientific and Professional Journal
of the Croatian Society for Geometry and Graphics


CONTENTS / SADRŽAJ


Original Scientific Papers
B. Pokorná, P. Chalmovianský: Collision-free Piecewise Quadratic pline with Regular Quadratic Obstacles 5
Z. Can, Ö. Gelișgen, R. Kaya: On the Metrics Induced by Icosidodecahedron and Rhombic Triacontahedron 17
G. Weiss: Elementary Constructions for Conics in Hyperbolic and Elliptic Planes 24
S. Yuksel, M. Özcan: On Some Regular Polygons in the Taxicab 3-Space 32
L. Németh: Sectrix Curves in the Sphere 42
B. Divjak, M. Maretić : Geometry for Learning Analytics 48

Professional Papers
E. Šamec, I. Kodrnja: Family of Surfaces Heltocat 57
L. Cocchiarella: When Image sets Reality. Perspectival alchemy in Velayquaz's Las Meninas 65


ABSTRACTS / SAŽECI