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Point Clouds in TouchDesigner

21 OCT 2021

This workshop is about the many potentials and possibilities to work with point clouds in TouchDesigner. Whether as a fluid particle system or as a representation of reality derived from photogrammetry, “point clouds” are experiencing a great deal of interest in art and design. New tools in TouchDesigner make working with point clouds and their data easier and more direct than ever before. Let’s take a look at the entire pipeline: From importing point clouds from Alembic or EXR files, generative creation or modification of point clouds through TouchDesigner’s Texture Operators (TOPs), and the various ways of rendering point clouds in real time.

The basis for this workshop is a recently premiered opera by Daniel Dalfovo (ATELIER E) at the Ruhtriennale: D-I-E. For this opera, charcoal drawings by the artist Albert Oehlen were transferred into 3-dimensional point clouds and projected immersively and audio-reactively around the audience as 360° scenography.

Covered topic
– Loading and animating Alembic files with the Alembic SOP- Loading and animating Alembic files with the Alembic SOP
– Rendering pipeline for Alembics via CPU and GPU
– Creating and loading EXR point cloud files
– Rendering pipeline for EXR files with GPU power
– Generating and modifying point clouds in TouchDesigner with TOPs
– Using and experimenting with different MATs to render point clouds
– Post-Rendering techniques to beautify the rendering
– Interactive camera setup
– Creating the Trompe-L’Oeil effect with reprojection quads
– Building a small pre-visualisation scene
– Exporting rendered point cloud animation as movies for the web

Requirements:
A solid understanding of the TouchDesigner network and its operators.

CATEGORY: Workshop

TIME: 11 am – 6 pm  (lunch and coffee breaks included)

LEVEL:Intermediate 

PRICE: 49 €

 

TECHNICAL REQUIREMENTS OR GENERAL INSTRUCTIONS FOR PARTICIPANTS

– A recent computer with the latest official Touchdesigner installed and keyed_ DOWNLOAD SOFTWARE

System Requirements instruction >

– A 2-button mouse with scroll wheel), or 3 button mouse

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