LabSimUrb Tools and Skills
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Analysis and simulation tools and skills for the evaluation and design of urban projects.


Perceptual analysis and simulation \ Visualscapes

visual simulation

Perceptual visual simulation
- Visual simulation of urban environments, in particular:
- walks, sequences
- videos with the superimposition of digital simulation of new design projects
- panoramic views and simulation of the existing and the simulated transformation
USES: Anticipation of the outcomes of urban design projects; reconstruction of past environments.
REQUIRED DATA: ev. 3-D Digital Urban Model (with Digital Terrain Model).

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Visual archives of urban spaces
- Visual simulation of urban environments
- panoramas (180, 360)
- sequences
- videos
USES: Anticipation of the outcomes of urban design projects; design and planning tool; archive.
REQUIRED DATA: ev. 3-D Digital Urban Model (with Digital Terrain Model).

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Immersive environments using game engines
Immerisve visual and sound simulation of urban environments:
- USES: Anticipation of the outcomes of urban design projects; reconstruction of past environments.
- REQUIRED DATA: ev. 3-D Digital Urban Model (with Digital Terrain Model).

visibility analysis

Visibility Analysis
- Quantification of visible objects in the urban landscapes
- degree of visibility of a selected object from the surrounding (for ex. an important view to preserve)
- panoramas through isovists calculation
- isovist properties computation (openess index of vistas, compactness, etc.)
USES: Anticipation and evaluatio of urban design projects; design and planning tool.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).



Perceptual analysis and simulation \ Soundscapes

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Perceptual sound simulation
Perceptual sound simulation
- Reconstruction of soundscapes in the urban environment
- Simulation of future soundscapes in the urban environment
- USES: Anticipation of the soundscapes of urban design projects; reconstruction of past environments.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).



Environmental analysis and simulation \ Solar Accessibility

solar access

Solar Access
- Solar accessibility maps of urban areas through hourly shadow maps (static maps and videos).
- Mean Shadow Density maps on open areas (i.e. superimposition of hourly shadow maps).
- Number of hours of direct sun (or accumulated shadow) on open areas, or roofs.
- Quantification of surfaces interested by direct sun or shadow (areas of interest).
USES: evaluation of solar accessibility conditions of urban form or design projects.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).

sky view factor

Sky View Factor
- Sky View Factor maps.
- Quantification of sky view factor on the ground, on roofs, on the entire urban area.
USES: evaluation of sky openness conditions of urban form or design projects.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).

solar envelopes

Solar Envelopes
- Computation of the maximum buildable volume on site, on the basis of solar accessibility rules.
- Verification if design projects exceed the envelope and thus the solar rights of the existing fabric.
USES: verification of solar rights conditions of design projects.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).

solar irradiation

Solar Irradiation
- Solar irradiation maps of urban areas: hourly, monthly and yearly maps.
- Quantification of collected irradiation on surfaces (roof-sections, roofs, open spaces, etc.)
USES: assessment of solar irradiance on roofs for the estimation of solar energy production.
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).



Environmental analysis and simulation \ Thermal Maps

heat maps

Heat maps
Estimation of energy consumption and heating demand of the urban fabric:
- Quantification (estimation) of energy demand
- Maps
USES: as a support for energy action plans
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model); urban DB with year of foundation of buildings

theraml discomfort

Thermal Discomfort Critical maps
- Critical maps showing potential thermal discomfort on open areas. The computation takes into account: solar irradiation on site, vegetation, albedo of urban materials (vertical and horizontal ), urban geometry (for instance urban canyons)
USES: for programming punctual interventions on urban spaces
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model), vegetation data, information about urban materials



Environmental analysis and simulation \ Urban Morphometrics

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Urban Morphometrics
- Computation of urban indicators with a particular focus on urban form and energy aspects. Among the indicators, we consider the following: density and built volumes, permeability and urban coverage, urban blocks descriptors, urban form descriptors: surface to volume ratio, compactness index, urban canyon ratios, prevailing orientation of facades (vertical surfaces facing south)
USES: assessment of urban design projects and current built-up areas
REQUIRED DATA: 3-D Digital Urban Model (with Digital Terrain Model).

ped-shed accessibility

Urban Accessibility and Connectivity
Computation of urban accessibility and connectivity indicators of the street network:
- connectivity indicators
- accessibility indicators
- centrality analysis and spatial analysis
- ped-shed analysis: accessible areas within a 5 or 10 minutes walk
USES: assessment of urban design projects and current built-up areas
REQUIRED DATA: the graph of the street network.


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