Using native ARCHICAD element we can also create a simplified geometry with beam elements compatible with IFC to export the model in structural software. We could further enhance the GDL code to add nodes, spiders, special profiles and manage all them in schedules. We can use the model also to generate details. With the use of parametric object we can generate subcomponents and control quantities in schedule and IFC output. The generation of complex geometry is fast, also adding options of shading surfaces and shadows, thanks to the new ARCHICAD background computation. In elevation and section views we can decide to automatic improve detail if necessary. Using native ARCHICAD elements we can also benefit of schedule features to evaluate for example quantities, frame lengths or panel surfaces. With a special GDL script you can create objects that can benefit of many options in the plan visualization having a simple design without many details. You can create custom object using GDL language, where you can control detail for different scale, manage different 2d-3d representation and add further details without starting again from the complex geometry in Rhino. Using ARCHICAD native components you will benefit of all their own components options. Changing the shape in Rhino, or changing the parameters in Grasshopper, in few seconds you obtain the AC model with all the properties updated. Inside ARCHICAD you can control the data of the project (kind and number of beam, windows and its elements, columns) and of course, the costs. This connection is always available during your work. Lines, polylines and points, thanks to the AC- GH_Connection can become ARCHICAD objects In this experience the most used element was a special object created with GDL code. In this case we can share the data on-line. Under the principal surface, we have drawn a reticular structure using lines and no solid shapes to make a light definition and easily changeable. We reduced the complexity of surface in a series of planar quad panels grouped in cluster (it means that panels are no all different, but the skin is covered by series of equals elements), thanks to the explicit history of the created algorithm, we can decide the number and the size of the planar polygons. In Grasshopper you can manage a mass of data using this tool you can solve the problem of tessellation. In Rhino a double curved surface is easy to generate by moving the control points thanks to this simplicity you can create your model. We generated a free form in Rhino that could be a roof. In ARCHICAD using geometry and other informations migrated from Rhino-GH you can develop further complex parametric geometry with parametric geometry you can have high detail in a model of few MB, enhancing the Cloud sharing and BIM interoperability. Rhino is able to design the complex geometry but the only informations that you can share with this shape are geometrical and mathematical informations, good to sketch an architecture, but they are not enough to build it. In ARCHICAD the object automatically change the brise-soleil orientation according to the sun position. The connection use parametric object to standardize the panel dimensions in few typologies. This is an example of panel optimization. Our first aim was to generate, not general mesh, but native ARCHICAD building elements from the Rhino model, to manage in a second step all the BIM features. This project won first prize in the Algorithmic Design Meets BIM design competition sponsored by GRAPHISOFT and has been published on the Users' page of GRAPHISOFT website. This model is a test to evaluate the Rhino – Grasshopper – ARCHICAD connection. Designing the reality - Rhino-Grasshopper-Archicad connection
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