[Radiance-general] mapping a picture on a curved surface

[Giulio Antonutto]

Christoph,

this is an easy, quick and dirty trick, i.e. no cal file are needed.

BTW you will need to change coefficients for Px and Py as needed...

ciao,

G.

 

------------------------------------------------------------------------
-----------

void colorpict colormap

7 red green blue pattern.pic . '1/(2*PI)*acos(Px)' 'Py'

0

0

 

colormap plastic grey

0

0

5 .5 .5 .5 0 0

 

grey cylinder surface

0

0

7

0 0 0 

0 1 0

1

------------------------------------------------------------------------
---------------

 

 

________________________________

From: radiance-general-bounces at radiance-online.org
[mailto:radiance-general-bounces at radiance-online.org] On Behalf Of
Reinhart, Christoph
Sent: 29 November 2005 13:53
To: radiance-general at radiance-online.org
Cc: tiffany.stetiu-otis at mail.mcgill.ca
Subject: [Radiance-general] mapping a picture on a curved surface

 

Dear all,

 

Tiffany Stetiu-Otis, an architecture student in my Lighting Course at
McGill, would like to map an image onto a half-cylinder shaped ceiling
in a Radiance scene. Are there any cal files available for here to do
so? Any tips would be very much appreciated.

 

Christoph

Christoph Reinhart, Ph.D.                        

                Associate Research Officer                      National
Research Council Canada          Institute for Research in Construction

Adjunct Professor                                    McGill University
School of Architecture

1200 Montreal Road M-24, Ottawa          Ontario K1A 0R6, Canada 

tel: (613) 993-9703                                  fax: (613) 954 3733
christoph.reinhart at nrc-cnrc.gc.ca
<blocked::mailto:christoph.reinhart at nrc-cnrc.gc.ca>  

 

Lightswitch Wizard (initial design)            www.buildwiz.com
<blocked::http://www.buildwiz.com/>   

DAYSIM (expert software)                        www.daysim.com
<blocked::http://www.daysim.com/>   

 

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