An evaluation of s oftware frameworks for lands cape vis - PowerPoint PPT Presentation

An evaluation of s oftware frameworks for lands cape vis ualization. A cas e s tudy from S witzerland. wicker (3) & Daniel Köchli (1) wicker (3) & Daniel Köchli (1) Martin Geilhausen (1) , Silvia Tobias (2) , Thomas Z Martin Geilhausen (1) , Silvia Tobias (2) , Thomas Z (1) Zurich University of Applied S ciences, Institute of Natural R esources S ciences, Wädenswil , S witzerland (martin.geilhausen@zhaw.ch) (2) S wiss F ederal Institute for F orest, S now and Landscape R esearch WS L, Birmensdorf , Switzerland (silvia.tobias@wsl.ch) (3) tsquare GmbH, Winterthur, Switzerland ( tzwicker@tsquare.ch) 09.04.2014 // Geneva // 09.04.2014 // Geneva // Geospatial World Forum 2014

Introduction & R Introduction & R ationale ationale S wiss communities face increasing development pressure on the landscape ( Hersperger & Bürgi 2007, Bürgi et al. 2010) the landscape ( Hersperger & Bürgi 2007, Bürgi et al. 2010) Davos 1908 Davos 2000 Davos 2050 WS Lresearch programme R oom for People and Nature draws long-term visions and scenarios of future development and exploreshow it influenceslandscape qualities. exploreshow it influenceslandscape qualities. ( Photo credit : WSL)

“The abilities “The abilities to dynamically explore the vis to dynamically explore the vis ualis ualis ations of ations of planning proposals, and to s ee real-time changes in indicator metrics were considered particularly informative, and appeared to increas to increas e participants e participants ’ unders ’ unders tanding of the plan.” tanding of the plan.” Workshop Glarus - Nord, April 2013 (Photo credit: Silvia Tobias WSL) Salter et al. 2009

Objective Objective E E valuation of budget visualization techniques valuation of budget visualization techniques in two case in two case study workshops considering Linthebene Linthebene • preparation effort Glarus - Nord Glarus - Nord • level of detail • dynamic navigation and interactivity

S S cenario compos cenario compos ition ition • 3 approaches • • combination of GIS combination of GIS , C , C AD AD and virtual globe and virtual globe ( ArcGIS , S ketchUp & Google E arth ) Glarus Glarus - Nord Nord • • photo composition & montage ( Cinema4D ) photo composition & montage ( C inema4D ) • used complementary at different spatial scales and view perspectives scales and view perspectives • a new planning software framework Linthebene Linthebene ( modularC ( modularCity ) ity ) • • pre-workshop performance test pre-workshop performance test • lessons learned considered for further visualization

GIS GIS , C , C AD & Virtual Globe AD & Virtual Globe Glarus Glarus - Nord Nord • “big picture” - bird’s eye views from well known scenic spots • workflow of scenario composition data mining & preparation data mining & preparation 1 refinement 2 2 • scenario preparation visualization prior to workshop 3 3 Scenario of landscape change, Study area Glarus Nord View to the Linthebene , Study area Glarus Nord

Photo compos Photo compos ition & montage ition & montage Glarus Glarus - Nord Nord • “detailed views” - street views from distinctive locations • workflow of scenario composition image acquisition image acquisition 1 image manipulation 2 2 • scenario preparation visualization prior to workshop 3 3 Scenario of landscape change, Study area Glarus Nord Vicinity of the train station, Study area Glarus Nord

Planning Planning s s oftware modularC oftware modularCity ity Linthebene Linthebene • “mashing up” - bird’s eye views and street views • workflow of scenario composition data mining & preparation data mining & preparation 1 procedural modelling 2 2 • live/real-time construction of scenarios of scenarios in workshop in workshop visualization 3 3 View towards Uznach , Study area Linthebene

E E valuation valuation Advantage Limitation • • 3D visualization & GE imagery 3D visualization & GE imagery • • manual entity creation of scenarios manual entity creation of scenarios • use of available data • simple components needed for seamless navigation • SketchUp plugins and components • • fixed terrain surface (topography ) fixed terrain surface (topography ) • • different scenario layers different scenario layers (e.g. moderate, “no - go”) • multi - software workflow with data import/export

E E valuation valuation Advantage Limitation • • easy image manipulation with easy image manipulation with • • 2D visualization 2D visualization convincing photo - realism • manual entity creation of • back - end & front - end solution scenarios/future developments • • reduced scenario preparation due reduced scenario preparation due • • many locations due limited FOV many locations due limited FOV to limited FOV of single location • fixed perspective/view point • different scenario layers

E E valuation valuation Advantage Limitation • • 2D & 3D visualization 2D & 3D visualization • • simple components needed for simple components needed for seamless navigation and display • use of available data • creation of background imagery • real - time changes of metrics and and terrain and terrain ratios with reporting ratios with reporting • fixed terrain surface (topography) • single software solution

Take home mes Take home mes s s ages ages • Dynamic exploration and real-time changes of scenarios with an appropriate level of detail increased participants’ with an appropriate level of detail increased participants’ understanding and activity. • • GIS GIS -C -C AD-GE AD-GE is is suitable for scenic views suitable for scenic views of prepared scenarios of prepared scenarios using existing data of the present day situation. • • C C inema4D inema4D allows allows preparation of photo-realistic scenarios preparation of photo-realistic scenarios of of detailed fixed perspective street views and is a valuable supplement to large-scale visualizations. supplement to large-scale visualizations. • modularC ity combines large-scale and detailed views and enables enables real-time scenario composition and modification real-time scenario composition and modification fostering participants’ activity.

Acknowledgements: www.wsl.ch/raumanspruch/ Warmest thanks to Jonas Christen & Nikolaus Heeb ( ZHdK Zurich University of the Arts) for stimulating discussions and graphics. This work is part of the research programme Room for People and Nature of the Swiss Federal Institute for Forest, Snow and and Nature of the Swiss Federal Institute for Forest, Snow and Landscape Research WSL. Financial support provided by the Federal Office of Environment, the Cantons of Aargovia , Lucerne, St. Gall, Glarus, the municipality of Glarus Nord, WS L and the C ommission for T echnology and Innovation C TI is gratefully acknowledged.