DeCodingSpaces workshop on Urban Analysis, Synthesis and Design Exploration in Grasshopper hosted by: eCAADe2018, Poland – Łódź, 18.September 2018

In this workshop, you will learn how to generate urban fabric variants, perform quantitative analysis on it, as well as optimize the generated variants and expore the cooresponding solution space. For this purpose you will be introduced to various components from the DeCodingSpaces Toolbox for Rhino/GH. You will learn how to analyse Street Networks effectively to compute real life phenomena such as the distribution of functions in a city or the movement patterns of citizens. Moreover, you will be introduced to the various methods for the synthesis of urban morphology (street networks, plots, and buildings) and how they connect to the analysis methods. Finally, you will also be introduced to design space exploration tool for beeing able to compare the generated solution systematically. The presented DeCodingSpaces-Toolbox for Grasshopper is a collection of analytical and generative components for algorithmic architectural and urban planning. The toolbox is free software released by the Computational Planning Group (CPlan). It integrates established urban analysis methods, extends them with new features and introduces new methods for the analysis and synthesis of urban morphology. In the first part of the workshop, you will learn to use the street network analysis components and how the computed quantities relate to real life phenomena such as the distribution of functions in a city or the movement patterns of citizens. In the second part, we will implement a dynamic urban simulation in Grasshopper. For this purpose, we will use the results from the network analysis and compute local attractivity values for different urban functions like the population or workplaces, which interact with each other based on the corresponding distances. In the third part, we will demonstrate functions of the DeCodingSpaces-Toolbox for the synthesis of urban morphology (street networks, plots, and buildings), which is directly connected to the analysis and the simulation parts. In the last part, we use a Design-Space-Exploration tool (DSE) that presents the generated solutions in various ways.

Requirements

Presentation

Workshop files

Part 1 – Analysis

Isovist

01| 2D ISOVIST SINGLE POINT

Analysis 2d, 3d Isovist

eCAADe2018 Workshop | Urban Analysis, Synthesis and Exploration with Grasshopper

Requirements

Part 1 – Analysis

Isovist

01| 2D ISOVIST SINGLE POINT

04| 2D ISOVIST OBJECT VISIBILITY

02| 2D ISOVIST PATH

05| 3D ISOVIST

03| 2D ISOVIST FIELD

Street Network Analysis

01| CITY GRAPH STARTING EXAMPLE

04| CITY GRAPH ONE WAY ROADS

02| PARK EDGE WEIGHTING

05| CITY GRAPH CENTRALITY VERTEX WEIGHTING

03| CITY GRAPH BUS EDGE WEIGHTING

Utilities

01| NETWORK EDITING TOOLS

02| ANALYSIS GRID

03| CUSTOM OFFSET

Part 2 – Generation

01| STREET NETWORK FROM GUIDE LINE

02| STREET NETWORK FROM GRID

03| STREET NETWORK SYNTHESIS

Part 3 – Exploration

01| DESIGN SPACE EXPLORATION

Part 4 – Hands On, Generate Analyze & Explore

Weimar Urban Layout Generator

Impressions of the Workshop Results

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