{"id":4866,"date":"2020-05-02T21:18:31","date_gmt":"2020-05-02T19:18:31","guid":{"rendered":"https:\/\/xoxo.capsule.ch\/2020\/05\/02\/co-creating-public-lighting-technology-and-policy-for-informal-settlements\/"},"modified":"2025-04-23T16:48:19","modified_gmt":"2025-04-23T14:48:19","slug":"co-creating-public-lighting-technology-and-policy-for-informal-settlements","status":"publish","type":"post","link":"https:\/\/xoxo.capsule.ch\/it\/2020\/05\/02\/co-creating-public-lighting-technology-and-policy-for-informal-settlements\/","title":{"rendered":"Co-creating Public Lighting Technology and Policy for Informal Settlements"},"content":{"rendered":"The transdisciplinary research project \u00abVirtual Environments as a Decision-making Tool for Public Lighting in Bogot\u00e1\u00bb focuses on lighting technology and its performance in Bogot\u00e1\u2019s densifying urban environments. New lighting approaches are co-created together with informal settlement dwellers and tested with Colombian policy-makers through a Virtual Environment.<\/i>\n\n\n\nMany self-built luminaires are installed in informal settlements by residents when no \u00b4formal\u00b4 public lighting is provided by the authorities. The aims of this study are to analyse such existing \u2018informal\u2019 lighting technology, to co-develop alternative lighting approaches based on this analysis, and to empirically evaluate these approaches using novel visualisation techniques with policy-makers.\u00a0Through this, informal settlement-specific lighting technology will be developed that on the one hand incorporates promising design solutions from the current \u2018informal\u2019 luminaires, and on the other overcomes shortcomings in existing lighting approaches.\n\nTo investigate informal lighting systems, an ethnographic multi-method case-study was conducted in an 183 m long pedestrian street in Bogot\u00e1\u2019s settlement Caracol\u00ed. This included night-time street observations, walkthroughs, resident interviews, a dwelling construction survey, a lighting audit and illuminance measurements.\n\n\n
\n
\"The
The informal settlement Caracol\u00ed in Bogot\u00e1. \u00a9 D. Kretzer, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"The
The informal lumnaire, that was further analysed in laboratories, in its original environment. \u00a9 D. Kretzer, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"The
The informal luminaire is tested in the Paconsult Swiss laboratories and in the Zumtobel Lighting goniophotometer. In order to facilitate this research both companies provided free access to their measurement facilities. \u00a9 D. Kretzer, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"Case-study-section.
Case-study-section. \u00a9 M. Walczak, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"Impressions
Impressions from the night-time Virtual Environment. \u00a9 M. Walczak, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"Impressions
Impressions from the night-time Virtual Environment. \u00a9 M. Walczak, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"Impressions
Impressions from the night-time Virtual Environment. \u00a9 M. Walczak, ETH Zurich<\/figcaption><\/figure>\n\n\n\n
\"Transforming
Transforming the data gathered through drone and 360\u00b0 filming as well as distance measurements into a 4D model was a complex iterative process. The drone footage was the basis to establish information on the plan view, combined with information provided by satellite imagery and digital elevation maps. The 360\u00b0 footage provided the vertical information for the model with regards to the number of building stories as well as the location of windows, doors and stairs, the roof geometry, topography, terraces, vegetation, materialisation and overhangs. \u00a9 D. Kretzer, ETH Zurich<\/figcaption><\/figure>\n\n\n<\/figure>\n\n\n \n

Creating a 4D Digital Twin for Lighting Technology and Policy Evaluation<\/h3>\nSince informal settlements are characterised by permanent physical transformation, spatial measurements were conducted through a drone, a 360\u00b0 camera, a measuring wheel, a laser distance meter and a measuring tape in order to document and archive the neighborhood in form of a digital twin. Both formal and \u2018informal\u2019 self-built luminaires were documented digitally with their geometrical and lighting characteristics.\n\nThe informal luminaire owners explained the lighting technology and design decisions, as well as existing shortcomings. Moreover, one informal luminaire was shipped to Europe for further laboratory tests regarding its photometry and its degree of electric safety.\n\nThe photometric data gained through the goniophotometer measurements and the spatial analysis were combined in the digital twin to allow for lighting calculations and the creation of a night-time 4D Virtual Environment. Within this VE, several lighting technology and lighting design alternatives will be tested with lighting policy-makers. The time component (4th<\/sup> dimension) in the digital environment is twofold: On the one hand, it includes the historic and projected data of the housing units\u2019 densification process, and on the other hand it includes the pedestrian footfall documentation and visualisation. In this way, insights on how lighting solutions are applicable in constantly horizontally and vertically densifying environments are gathered.\n\nThe VE-based lighting design evaluation with its exposure to Bogot\u00e1\u2019s lighting authorities through the inhouse-developed EnerPol virtual reality interface was initially planned for March 2020 in Colombia. Due to the current COVID 19-travel restrictions the evaluation process will now be conducted online, which illustrates a strength of VE-based research.\n\nMichael Walczak<\/a> and David M. Kretzer<\/a> are both doctoral students, conducting research at the Chair of Architecture and Urban Design from Prof. Hubert Klumpner, the Laboratory for Energy Conversion from Prof. Reza Abhari as well as at the Urban Research Incubator of the Institute of Science, Technology and Policy.<\/em>","protected":false},"excerpt":{"rendered":"

The transdisciplinary research project \u00abVirtual Environments as a Decision-making Tool for Public Lighting in Bogot\u00e1\u00bb focuses on lighting technology and its performance in Bogot\u00e1\u2019s densifying urban environments. New lighting approaches are co-created together with informal settlement dwellers and tested with Colombian policy-makers through a Virtual Environment.<\/p>\n","protected":false},"author":3,"featured_media":4868,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","footnotes":""},"categories":[23],"tags":[],"departemente":[138,159,178],"newsletter_ausgabe":[301],"class_list":["post-4866","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-newsletter-artikel","departemente-departement-architektur-d-arch","departemente-institut-fuer-landschaft-und-urbane-studien-lus","departemente-prof-hubert-klumpner-institut-fuer-landschaft-und-urbane-studien-i-lus","newsletter_ausgabe-nl-45"],"acf":[],"taxonomy_info":{"category":[{"value":23,"label":"Newsletter-Artikel"}],"departemente":[{"value":138,"label":"Departement Architektur (D-ARCH)"},{"value":159,"label":"Institut f\u00fcr Landschaft und Urbane Studien (LUS)"},{"value":178,"label":"Prof. Hubert Klumpner"}],"newsletter_ausgabe":[{"value":301,"label":"NL 45"}]},"featured_image_src_large":["https:\/\/xoxo.capsule.ch\/wp-content\/uploads\/2020\/05\/Image-4-scaled-1-1024x768.jpg",1024,768,true],"author_info":{"display_name":"Yaxin Hou","author_link":"https:\/\/xoxo.capsule.ch\/it\/author\/houya\/"},"comment_info":0,"category_info":[{"term_id":23,"name":"Newsletter-Artikel","slug":"newsletter-artikel","term_group":0,"term_taxonomy_id":23,"taxonomy":"category","description":"","parent":0,"count":680,"filter":"raw","cat_ID":23,"category_count":680,"category_description":"","cat_name":"Newsletter-Artikel","category_nicename":"newsletter-artikel","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/posts\/4866","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/comments?post=4866"}],"version-history":[{"count":1,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/posts\/4866\/revisions"}],"predecessor-version":[{"id":4867,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/posts\/4866\/revisions\/4867"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/media\/4868"}],"wp:attachment":[{"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/media?parent=4866"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/categories?post=4866"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/tags?post=4866"},{"taxonomy":"departemente","embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/departemente?post=4866"},{"taxonomy":"newsletter_ausgabe","embeddable":true,"href":"https:\/\/xoxo.capsule.ch\/it\/wp-json\/wp\/v2\/newsletter_ausgabe?post=4866"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}