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Erosion on surface

a3_thesis2020

Codes used in the Thesis sessions 2020.

Please note that this material is a compendium to in-person teaching, so, several implied instructions, premises and cautions given during the dat-to-day development have not been included. - tutor: Alessio Erioli

Installations

These are the required installations:

Programs

. Rhinoceros 3D v6 (includes Grasshopper)
. Visual Studio Community 2019 (install .NET desktop development workload)

Rhino plugins

. topmostviewport - a useful floating topmost window if you have a single screen

Grasshopper Components

. Anemone
. Dendro
. Fattener - requires forum registration
. FileToScript2 - if you have an older Rhino SR and the .gha is not compatible you will have to compile it from Visual Studio (instructions are included)
. Human
. Impala
. Meshedit
. MeshTools - requires forum registration
. Plankton - read the "Using Plankton with Grasshopper" paragraph

Grasshopper User Objects

. froGH 1.3 ALPHA - extract the froGH folder from the zip file and place it in the Grasshopper User Objects folder: %AppData%\Grasshopper\UserObjects

dll Libraries

. Noises.dll - library with Simplex Noise generation functions, it can be used to embed Noise calculations (including Curl Noise, which is based on Simplex Noise) in a custom C# script.
Extract the .dll from the zip file and place it in the Grasshopper Libraries folder: %AppData%\Grasshopper\Libraries


@ utilities

Contains .gha assemblies and general purpose .gh definitions used in the workshop.

3Dpeople_20200120.3dm - 3D people as meshes in 3 different resolutions
base meshes.gh - reference mesh models that can be use in exercises
bitmaps in CS.gh - generate, load and save bitmaps from within C# components
Curl noise.gh - uses Noises.dll library to compute SimplexNoise and CurlNoise functions
Custom material preview.gh
Custom material preview.3dm
Use custom-generated materials in Grasshopper preview (works for Rhino rendered modes)
interpolate mesh data.gh - interpolate scalar and vector data while performing a Catmull-Clark subdivision of a mesh - sometimes Millipede can be slow on big geometries. This definition allows the use of a lower-resolution mesh for faster analysis and interpolate data to use on a high-res mesh
Isosurfacing - Dendro.gh - isosurfacing curves and meshes with Dendro plug-in
M00_Millipede FEM field.gh - simple use of Millipede Grasshopper plugin to generate a scalar and vector field of structural information over a FEM model of a mesh surface
M01_Millipede graphics generator.gh - generates and bakes geometry for 3 different diagrams of Millipede generated data
Millipede_data.ghdata - this file is a sample of how data is passed between M00 and M01
Symmetric noise - displace.gh - Computes Noise functions in a symmetric fashion along meshes and generates a displaced mesh accordingly
Util_Clipping plane - Turntable base.3dm
Util-01_clipping plane anim.gh
Util-02_turntable.gh
Util-03_view capture.gh
Util-04_Anemone run, turntable and capture.gh
These files are helpers to generate, respectively: an animation of a moving clipping plane (for a model tomography), a turntable of one or more geometries, capture a Rhino viewport from Grasshopper, and record an animation of an Anemone loop as it executes

@ utilities/Display Modes

Contains a bunch of customized Display Modes for Rhino 6 - they can be installed in Rhino from:
Tools > Options > View > Display Modes > Import

@ utilities/GH reference

Contains reference definitions for the required Grasshopper knowledge to step beyond basics.
EXPL_00 - DataTrees.gh - Data Tree breakdown: structure, commands, navigation - anything you need to know to master Data Trees in Grasshopper.

@ utilities/Mesh Modeling

Rhino files and Grasshopper definitions for basic Mesh modeling (low poly to subdivision techniques)


codes

The codes are organized as follows:

GH_CSharp

The introduction to C# has been moved to a separated repo: intro to C# in Grasshopper

GH_Intuition

This folder contains some introductory iterative strategies developed with standard components + Anemone plug-in for a more intuitive approach

01-00_iterative strategies - intuition.gh - introduction to iterative strategies in Grasshopper
01-00-bis_gradient descent - intuition.gh - simple, geometry based gradient descent algorithm in Grasshopper
01-01_environment and field - intuition.gh - reading information from an environment/field

VS_Codes

This folder contains Visual Studio Projects and related .gh files for the following examples:

AgentBodiesOnMesh - agent bodies interacting on a mesh surface
AgentBodiesVolumetric - agent bodies interacting in a volume
AgentSystemFlock - implementation of classic Craig Reynolds flocking model
GradientDescent - simple gradient descent algorithm on mesh (with mesh erosion)
MTSerialization - advantages of parallelization (of a for loop) and conversion to GH_Types to speed up execution
Stigmergy - example of stigmergy on Mesh, with evaporation and diffusion


copyright

This material is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License. cc button

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