Color consistency in BIM systems and in the visualization of the project in Real Time - An overview of possible solutions

In today's panorama of tools available to the professional in architectural design field, the BIM methodology has recently spread more and more widely than in the past. This is also due to an increasingly stringent regulatory imposition in public procurement, especially concerning the estimated amount of the works. Furthermore, in the 2000s the visualization of the project was mainly linked to photorealistic static renderings or popular films obtained from sequences of static images. Nowadays, the computing power of the available hardware and the evolution of the raytrace rendering engines have led to an increasingly frequent use of virtual reality and augmented reality, which therefore become renewed tools available to the designer to visualize and make the project better understood by the client and other professional actors involved in the design. In both cases, once the color of a finish has been acquired through correctly calibrated devices and standardized procedures, the problem of its correct representation arises here. The theme appears complex and needs to be explored carefully. This text is therefore intended to be an overview of the currently available solutions, thus analyzing how the currently available applications address the issue of color consistency in the context of BIM and virtual reality.