1. An ontology-based system for
ontologyvisual impact assessment of transport
infrastructures in the landscape
M. Rincón, O. Sánchez, S. Timón, A. Ramírez,
A. Alonso and J.A. Martín-Caro
Martín-
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
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2. visual impact assessment
A. Landscape variable in
environmental impact
assessment studies.
Informative studies.
B. Mitigation measures
Project drafting
C. Landscape restoration works. Specific
projects intervening on theIRF World Meeting & Exhibition
landscape.
17
th
Riyadh, November 10 - 14, 2013
3. visual impact assessment
EIA-LVIA: Institute of Environmental Assessment, The
Landscape Institute, 2012: Guidelines for landscape and visual
impact assessment. Third edition, (consultation draft).
LCA: Swanwick, C., 2002: Landscape Character Assessment.
Countryside Agency and Scottish natural Heritage.
FHWA VIA: FHWA Office of Environmental Policy, 1988: Visual
Impact Assessment for Highway Projects. US Department of
Transportation.
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
4. Landscape description in visual terms
texture
color
line
for
m
landform
manmade
water
Vegetation
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
5. Visual landscape analysis and assesment
Visual
quality
Pattern
character
Pattern
elements
Fragility
Environmental impact of
transport infraestructures
Visual impact of
transport infraestructures
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
6. Software application for visual impact assessment
Cartography
Images, Photographs
Statistics
merge
Visual impact assessment
Pattern
elements
Visual
character
Pattern
character
Visual
quality
Observer
response
Resource
change
Observer
exposition
Visual
impact
Evaluación del Impacto Visual
17th
Observer
IRF World Meeting & Exhibition
sensibility
Riyadh, November 10 - 14, 2013
7. System Requirements and Solutions
Requirements
Solutions
• Modularity and decopling of
resources
•
Components are separatedly
implemented (Ontologies, Client,
Server, DB, ...)
• Optimize relation between
latency and computational cost
•
Separate computing from visualization
•
•
GIS Processing -> WPS
GIS Visualización -> web, WMS/WFS
•
Standard formats (XML)
•
State of the art paradigms and UI
Frameworks
• GIS processing and
visualization
• Multi-platform
• User-friendly and agile
interface
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
8. Pagus System architecture
Web Client
Server
(Vaadin)
WMS/WFS
OpenLayers
WPS
Movile client
WOS
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
9. Pagus System functional modules
• Project management.
• Cartographic data management.
• GIS-based fragility assessment
• Viewpoint visual analysis
• Visual impact assessment
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
11. Visual Impact Assessment Editor
View Point Selection
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
12. Visual Impact Assessment Editor
Viewpoint in terrain map
Map information
of the selected viewpoint
Viewpoint in Fragility map
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
13. Visual Impact Assessment Editor
Cover edition
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
14. Visual Impact Assessment Editor
Attribute assessment
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
15. Visual Impact Assessment Editor
Category
selection
Pattern
elements
Attribute assessment
Visual
character
Pattern
character
Visual
quality
Resource
change
Observer
exposition
Visual
impact
Observer
response
Observer
sensibility
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
16. Visual Impact Assessment Editor
Element selection:
- line
- form
- color
- texture
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
17. Visual Impact Assessment Editor
Property
Assessment
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
18. Easy property assessment
on polar charts using intuitive examples
Concurrence
Continuity
Tilting
Fluency
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
19. Case study: Medina-Sidonia by-pass
Medinaby-
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
25. Case study: Medina-Sidonia by-pass
MedinabyVisual Quality
Vividness
Visual Quality
Vividness
Elements
Intactness
Elements
Intactness
Character
Unity
Character
Unity
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
26. Conclusions and further work (1)
• Pagus is a software tool for assessing the visual impact of a
transport infrastructure (roads, highways, railways, ...).
• Pagus integrates geographic (GIS-based) and visual (images)
information.
• Integrating cutting edge open technologies, Pagus is modular,
agile and user friendly.
• Pagus visual analysis connects with visual characteristics which
are easy to evaluate by non-expert users.
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013
27. Conclusions and further work (2)
• The future of this pioneering project depends on consolidating
its implantation in consulting companies, integrating it in the
current analysis methodology and assessment and extending
its use in a regional, national and international framework.
• Likewise, the tool needs new funding resources to allow a
second phase where many analysis tasks can be automated
using computer vision and artificial intelligence, this way
improving its performance and facilitating even more the
assessment process.
17th IRF World Meeting & Exhibition
Riyadh, November 10 - 14, 2013