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Wednesday, 7 January 2015

Revit Repeaters - RTC 2013 Competition Entry

Revit Repeater artwork
This image was part of my  entry for the drawing competition at RTC 2013, in the innovation category.  It was created using 100% Revit, without the use of Dynamo or any add-in APIs.  It was done to demonstrate some of the capabilities of the new "Repeater" command that was added to Revit 2013.

The museum building wall was created as a mass family, consisting of a curved spline in plan, extruded upwards to represent the outside facade;  its surface was divided into a rectangular grid.  A five point adaptive component panel was placed on one rectangle of the grid, with one of its points snapped to a common control point off the surface of the wall;  the panel was then repeated across the entire facade;  the size of the window in each panel was controlled by its distance from the control point - using the "reactor principle" described on Zach Kron's Buildz blog (a complex formula defined a sine-wave pattern for the change in window size).  Hopefully I will get time to document the technique on this blog eventually!

The artwork on the wall was done using two-way repeater pyramids that change shape depending where they are in the pattern - refer to how-to-schedule-panel-locations.

The people were single-point adaptive components consisting of lofted circles that had parametric diameters at various heights up the body, used to create different body shapes for each family type. The people outside were turned into repeaters by hosting six of them on divided splines, then using the repeat command - thus forming queues of people snaking into the museum entrance.

The signage on the roof of the museum was done with adaptive component (model text) repeaters that automatically rotate to face the camera - refer to my Mona-lisas-eyes-follow-revit-camera blog post.

The ground surface texture was done by creating a divided surface with slightly distorted adaptive components placed in a pattern of four and then repeated.

For more on this competition entry see the outdoor image of the museum

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