A spectacular waterfall of 'Led' water welcomes visitors in the Salesforce building

To make this realistic simulation its creators, Obscura Digital and Fusion CIS, have used a 32-inch LED screen×4,5 meters with a resolution of 8,112×960 pixels that blend into the environment as if it were part of it.

A spectacular waterfall is how visitors are welcomed in the building of Salesforce in San Francisco. A realistic simulation that has been integrated into the space as part of the lobby.

This digital effect has been created by the creative studio Obscura Digital and Fusion CIS using a 32" Led screen×4,5 meters with a resolution of 8,112×960 Pixels. The waterfall, computer-generated, it is not presented as a background image but is part of the scene. The company has been in charge of its installation SNA.

To produce the desired effect, were specified 1.100 frames and while Renderstorm was in charge of physical processing, Fusion CIS focused on the challenges posed by simulations and lighting.

RealFlow was used (Next Limit Technologies) to create this dynamic physics simulation, as Fusion CIS has developed a comprehensive library of methods and tools that extend its capabilities and enable management and control to achieve customized results.

To carry out this project, two waterfalls were designed. A basic version that gradually begins to flow into a complete waterfall that splashes against the lobby doors, so what, gradually, slows to a stop; and, a second, which posed greater challenges since it begins with a waterfall that flows completely and then interacts with a whole that deforms into steps, It seems to come out of the wall and back away.

Obscura Digital provided the wall design as a digital file, with dimensions adjusted to match the lobby wall, and also created the deformation of the geometry into levels for the second waterfall. To achieve the exact level of detail, Fusion CIS designed a digital cascade system with four overlapping panels, that were gathered into a lighting file to create the complete waterfall. Each panel performs the simulation separately, allowing greater detail in the water than would have been possible if the waterfall had been done as a single unit.

The water in the simulation is poured over an edge and down. Fusion CIS designed a dynamic set of small cubes on the edge of the cliff, so the water develops small internal channels that change and evolve, thus avoiding a featureless flat wall of water. In addition, A set of forces was created around the lobby doors that allow water to flow naturally and dynamically.

The simulations were performed on several machines and the Fusion CIS team generated the 'surface' versions through a process called meshing. Each water panel has been generated with between 50 and 100 Millions of polygonal meshes per screen, so that the total cascade is composed of between 200 and 400 million polygons.

[YouTube]https://youtu.be/czmrCp8U4jw[/YouTube]

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