[Radiance-general] Problem whith file.oct

[Thomas Bleicher]

Hi Imene

The RAYPATH environment variable tells the Radiance binaries where to
search for files if they can't be found in the current directory. In your
case with the command

!xform -t 1 1.5 0 chair.rad

Radiance expects the file "chair.rad" in the current directory, that is the
directory where you issue the "oconv" command. Since you have the chair.rad
and table.rad files in a subdirectory called "objects" you should use the
following line to place your scene elements:

!xform -t 1 1.5 0 objects/chair.rad

Try this first before you start to fiddle with the RAYPATH variable.

BTW: A common way to organize your scene files is to keep all your geometry
in a "objects" directory (and optionally a "skies" directory for sky files
and so on). Then you create a single file "scene.rad" that only references
the files in the "objects" directory via "!xform" commands:

!xform materials.rad
!xform skies/sunny_sky.rad

!xform objects/room.rad
!xform -t 1 1.5 0 objects/chair.rad
!xform -t 1.5 1.5 0 objects/table.rad


Then you only need the command

oconv scene.rad > scene.oct

to create the octree file. If you want a differente scene you just copy the
scene.rad file and add or remove whichever geometry you want to change.

Regards
Thomas
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