[Radiance-general] Beginners Questions

[Sandy Houck]

I'm working through the tutorials in Rendering with Radiance & have 2 commands that I'm having trouble with so far.


1.       !cat (concatenate)  - from page 80 in book - Scene 1 Tutorial, section 2.5 - is this still a valid command?  I couldn't find an executable file for it in my  Radiance directory & a search online didn't bring up reference to it either.    The error I get when I try to run oconv is "Can't find executable for "cat" .system - cannot execute "!cat ./lib/table_1.rad"



2.       Genprism - from page 53 in book - I can run genprism if I don't put in the final 4 extrusion factors.   What am I doing wrong?
If I run the command as written in the book:  genprism brown_satin_paint stool_leg_sw 4 -0.7 -0.7 -0.6 -0.7 -0.6 -0.6 -0.7 -0.6 -1 0 0 2.5 > look.txt
I get the following error:               Usage:  genprism material name { - | vfile | N v1 v2 .. vN} [-1 1vect] [-r radius] [-c][-e]

If I run the command without the extrusion vector (final 4 #'s) it creates the prism with the 'z' values at 1 which I'm guessing is the default.

Thank you for help!!

Regards,

Sandy Houck   LEED AP BD+C, LC
Brummitt Energy Associates, Inc.
619-531-1126

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