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Grasshopper 101: Parameterization | #05 Image Sampler Introduction

This tutorial covers the essentials of image-based mapping in Grasshopper. We discuss domains, channels, data filtering and incorporate many other relevant tools. The image files for this exercise can be found here: https://www.learn-visual-programming.... This video is an introductory Grasshopper tutorial for beginners. CHAPTERS: 00:00 Intro 00:10 Loading an image to Grasshopper 00:44 Image Sampler definition 01:00 Point grid size and density 01:45 Circle sizes depending on grid resolution 02:52 Mapping image pixel data to circle sizes 04:30 Image Sampler domain and Tiling options 05:15 Image sampler output bounds 05:46 Removing smaller values from the list | The Maximum component 06:29 Non-square image domain, different x and y ratios 09:10 Separating the sampling points and the target points 10:20 Removing the background with Image Sampler | Sift Pattern 11:26 Rounding floating number to integers | The Round component 11:45 Image Sampler channels | Split ARGB component 12:44 Custom color preview with Image Sampler 13:00 Surface creation, Profiler widget and the Data Dam tool 13:35 Closing COMPONENTS: Image Sampler The Scale component Sift Pattern The Maximum The Round component Split ARGB Data Dam Custom Preview REFERENCED VIDEOS: The attracting geometry exercise:    • Grasshopper 101: Parameterization | #...   The Expression component:    • Grasshopper 101: Data Filtering | #08...   Graph Mapper domains:    • Grasshopper 101: Parameterization | #...   Data matching with Cross Reference:    • Grasshopper 101: Data Lists | #08 Cro...   Data filtering with the Sift Pattern:    • Grasshopper 101: Data Filtering | #04...   LINKS Add-ons: https://www.food4rhino.com/ Forum: https://discourse.mcneel.com/ Grasshopper component library: http://grasshopperdocs.com/ CONTACT US AT: https://www.learn-visual-programming.com Narrated by: Lina Vestarte _ Click LIKE, if you find the tutorial useful. Have a question or suggestion? Leave a comment below! Never miss a new tutorial - SUBSCRIBE :)