Geometry and Graphics for the Graphic Identity of a Conference on Gometry and Graphics: about the ICGG2018 Conference Logo

Starting with the organizing of The 18th International Conference on Geometry and Graphics, soon, the \nfeeling of a need for a dedication arose, together with the need for a certain visual identity of the \nConference. These have been the two levers inspiring the design of the ICGG2018 Conference Logo, as \nrepresented in Figure 1. In order to refer to the present digital character of Geometry and Graphics, a \nfurther input was assumed, that the Logo could be generated from a digital three-dimensional object. At \nthe end, as the Logo tries to synthesize, we would like to propose a double dedication for the Conference, \nto Leonardo Da Vinci, after whom our Campus is named and to whom we would pay homage as a genius \namong the greatest showing the widest power of Geometry and Graphics in investigation and creativity \nbetween Science and Art, and to Giulio Natta, professor at the Politecnico di Milano and Nobel prize in \nChemistry in 1963 - together with Karl Ziegler -, as a mentor of the profound function - and beauty! - of \nGeometry and Graphics in Science and Technology, even at the invisible scale of the molecular world. \nConsequently, in the graphic synthesis, starting from a spatial version of Leonardo’s homo ad circulum \ndiagram, the sphere (symbolizing the macro cosmos) appears covered by a molecular pattern, inspired by \nthe Natta’s patterns of the isotactic and syndiotactic polypropylene, and inscribed inside an ideally cubic \nframe (symbolizing the micro cosmos), with the outline of the homo (the man) meeting the two mentioned \nstructures at the base, where the first carbon atom of the chain is located, metaphorically representing the \nbasic brick of organic life, while from the designated viewpoint, located at the base level and looking \nupwards, the overall outline of the linear frame would allude to the letter “M”, the first letter of the word \nMilan. According to the extension of the molecular chain, the distribution of atoms was parametrically regulated \nin order to have several densities in the pattern on the spherical surface. Furthermore, from the digital \nmodel, various objects could be physically fabricated, for instance, a totem at human scale, or small \ntemplates and the Conference souvenir (Figure 2), while the image of the Logo always reappears looking \nat those objects from the designated viewpoint. The concept and design are by Author, intending to do \nthis as the ICGG2018 executive chair, parametric modelling and animations by Matteo Cavaglià, master \nstudent in Architecture at the Politecnico di Milano, digital branding by Umberto Tolino and Andrea \nManciaracina, researchers at the Department of Design of the Politecnico di Milano, who also developed \nthe Conference website www.icgg2018.polimi.it. Further details are presented and discussed in the final contribution. The dedication and Logo aim at \nremarking the wide spectrum of the scientific focus of the Conference as well as the identity of this 18th \nedition, which celebrates the 40th anniversary from the first meeting held in 1978 at the University of \nBritish Columbia in Vancouver. At that time the title was International Conference on Descriptive \nGeometry (ICDG); the subsequent denominations, that is, International Conference on Engineering \nComputer Graphics and Descriptive Geometry (ICECGDG, from 1984 to 1988), and International \nConference on Geometry and Graphics (ICGG, since 2000) respond to the wish to be in step with the \ntimes, respectively, in relation to the revolutionary and pervasive diffusion of the digital as well as to its \nlinks with the classical knowledge, and in accordance with the present widening thematics characterizing \nresearch, applications, and education in the field of Geometry and Graphics.

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