Francesco Anselmo - Blenderdownload.blender.org/documentation/bc2004/Francesco...radiance / 2 L=...

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[b lender based graphical user interface for lender based graphical user interface for rad rad iance] iance] Francesco Anselmo [email protected] [email protected]

Transcript of Francesco Anselmo - Blenderdownload.blender.org/documentation/bc2004/Francesco...radiance / 2 L=...

Page 1: Francesco Anselmo - Blenderdownload.blender.org/documentation/bc2004/Francesco...radiance / 2 L= Rr⋅0.265 Rg⋅0.670 Rb⋅0.065 ⋅179 [cd/m 2] E= Ir⋅0.265 Ig⋅0.670 Ib⋅0.065

[[bblender based graphical user interface for lender based graphical user interface for radradiance]iance]

Francesco Anselmo

[email protected]@dream.unipa.it

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Summary

yet (!) another GUI for Radiance

(Blender module)

1. Lighting design software / Radiance

2. “brad” description

3. “brad” demo

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lighting design software

● Light● AGI32● Dialux● Visual● Relux● ...

● luminaires manufacturer's software

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radiance / 1

● Radiance 1.0 (1989)

● Radiance 3.6a (2004) ► ► ► more than 100 programs

modifer primitive identifiern S1 S2 ... Sn0m R1 R2 ... Rm

#comment

!external_command backwardray-tracing

● few geometric constraints

● ray-tracing (G. Ward) + photon mapping (R. Schregle -patch) / radzilla (C. Bauer)

● accurate: Radiance has been validated

● Unix toolbox● open source● free● users community

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radiance / 2

L=Rr⋅0.265Rg⋅0.670Rb⋅0.065⋅179 [cd /m2]E= I r⋅0.265 I g⋅0.670 I b⋅0.065⋅179 [lux ]

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GUI for Radiance

● trad

● Desktop Radiance

● Rayfront + 3DSolar

● rshow

● Conrad

● Octree

● Lichtplaner Light Studio Renderer

● Maya 2 Radiance tools

● static exporters from CA(A)D programs (dxf2rad, torad, radout, ...)

● RADex for Blender (http://mywebpages.comcast.net/rayae1/radiance.htm )

● ...

What about dynamic simulations?

● varying sky conditions according to weather datasets

● moving camera

● moving/changing geometry and materials

● parametric objects (e.g. responsive to illuminance, ...)

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blender: pros

● 3D modeling, animation and rendering tool

● open source

● cross platform (windows, linux, mac, ...)

● python API with access to 3D objects

● real-time 3D engine (3D navigation + videogames)

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blender: cons (?)

● non-standard GUI ● not a CAD

program (yet!)

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blended radiance [bbradrad]

3D window3D window

status barstatus bar

menu barmenu bar

● exporter initially based on previous work by Jan Walter● GUI based on MHGui 1.12 by Mario Latronico and Manuel Bastioni

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bbradrad windows

settingssettingswindowwindow

external external RadianceRadianceprogramsprograms(e.g. rview)(e.g. rview)

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bbradrad menus

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flexibility

● simple windowing environment inside Blender

● settings windows can be easily accessed

● post-processing (VTK, DXF)

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VTK export

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features / futures

CURRENT FEATURES

export/animation● layers support● export camera views (static animations)● export dynamic animations (keyframing):

● changing sky conditions● scene geometry (only meshes)● camera positions

● support for the Radiance mesh primitive● support for Blender textures and uv mapping● linked objects are exported as instances or mesh primitives● grids are exported as measurements points that can be piped

to rtrace● VTK export and DXF luminaires export for post-processing

libraries● materials library● luminaires library

simulation● “basic” simulation (rad)

● getbbox from selected object● support for all rad variables

● interactive and batch simulation● locations, time, sky and weather support● dynamic sky generation● sky mapping support

TODO LIST

program● export variables / save program state

export/animation● enhanced support for Radiance camera settings● support for Radiance procedural textures

libraries● luminaires library

● read and plot photometric data● parametric objects library● glazing library (link to Optics5 db?)● weather data browser

simulation● advanced simulation (makefiles output)

● support for pmap and radzilla● support for mkillum

● support for lcs and radmap● support for holodeck

analysis● glare analysis● falsecolor support and picture conversion● pdf/HTML report generation

documentation and tutorials

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demo!

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contacts

Francesco Anselmo

[email protected]

[email protected]

Download bbradrad:

http://www.dream.unipa.it/dream/pub/dot/anselmo/radiance/

http://www.bozzograo.net/radiance/


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