New Installation

Hi everyone, again
Now That I have Radiance installed........ What should I be looking for? What does Radiance look like? How do I begin? ................ Please help, again.


input. What concerns me is that my 3D models can get very complex.

Than it is even better to stay on the command line, you can e.g. have one model for the landscape, one for the building, one for trees etc. and combine them using command line techniques even without opening the files. Believe me, when working on complex file sets, you will love command line work after a while! Have a look at renderings of a highly detailed model (down to 1.5cm) of Hagia Sophia in Istanbul we did using only lots of small files and shell scripting to combine them - a model noone will be able to open at once in a conventional CAD (sorry for the ultralong URL) for the near future:

How do I know what wall I'm working on or the color of the staircase

You "alias" the layer names to materials in a library, e.g.

How do I choose the locations of light sources, such as a table
lamp without seeing it in model form?

One way to do this is to place a triangle "marker" on a layer called "table_lamp" and have the radiance command "replmarks" replace all markers on that layer with the lamp geometry and illuminaire description.

export to DXF, DWG, GTF,STL and SKP. It also has a translator to
export to "Lightscape" ( .lp file).

We will have to check for the export routes. I love obj, but it looks like this one is not supported by Arris. dxf is fine with dxf2rad ( But there may be other ways, too, if you could export to the old arris format e.g., or use 3rd party tools (I love brlcad as a converter tool, but there are others).

modified, since ARRIS changed it's file format. I did see the
Rayfront site and downloaded the Demo. But it runs in AutoCad.

There is a standalone version for Solaris, too. But as I told you - Rayfront is a great tool for professionals, as it supports a workflow and libraries, but it does not make it "easy" to render with Radiance. You will need an understanding of what important tools Radiance offers, what input and processing parameters are needed to describe and process a scene for the simulation (you would need that with a GUI as well), and the rest is to develop a workflow for your needs. Actually, if you will have established that workflow, this might be reduced to one script calling the converters, referencing you libraries and viewfiles and running the rendering process incl. preview and converions all at once - but you must know what happens, because in most cases you will want to tweak some settings or just better understand the resuts.

Really, the tutorials are a great help to avoid frustration and losing time by "just trying".

CU Lars.