RENDER QUALITY I am stuggling to achieve smooth renderings of daylit scenes utilizing the special_illum material (mkillum). With a CIE clear sky, rendering a...
282
Andrew.Bissell@...
Mar 5, 2001 6:42 pm
Chas I was looking at the post below regarding using alternative ies data and I was interested in the modelling of a new fitting in a small room for...
283
Charles Ehrlich
ckehrlich@...
Mar 6, 2001 12:51 am
Hi Bruce, Without seeing your images, I can only guess at what might be going on. But, from your description, the most likely cause is the interaction between...
284
Charles Ehrlich
ckehrlich@...
Mar 6, 2001 9:59 pm
Hi Andrew, For the purpose of validation, a matte black room would be more appropriate. The white walls was suggested for use in visually assessing the...
285
njlander@...
Mar 7, 2001 4:29 am
The olden days of unix Radiance allowed interactivity in ximage. functions such as showing the lux level at a point (click, L) or the average luminance for a...
286
njlander@...
Mar 7, 2001 4:40 am
If anyone knows the trick to installing Radiance under Redhat 6.2 so that compilation errors are avoided (and so bin files such as ximage compile and work),...
287
Charles Ehrlich
ckehrlich@...
Mar 7, 2001 5:10 am
Dear Nick Lander, The interactive functions of ximage would be very nice to have inside of winimage, but unfortunately, time and budget constraints limited the...
288
Charles Ehrlich
ckehrlich@...
Mar 7, 2001 5:26 am
Hello again, Nick, The trick to intall Radiance under RedHat 6.2 is to download the pre-compiled binaries for Linux, available at: ...
289
Renato Arturo Lemus
renatolemus@...
Mar 9, 2001 4:45 am
Hi: I would like to know how can I change the settings (-vt, -vu, -aa, etc.)in order to achieve a good rendering quality. I have tried to change this by ...
290
Judy Lai
jlai@...
Mar 13, 2001 2:32 am
hi Renato, My comments are inline. ... I don't know how comfortable you are with manually editing files. If you are very comfortable (or not afraid to try it...
291
renatolemus@...
Mar 13, 2001 6:27 am
Thanx a lot : I was tryin' to edit the .opt file, and it returned the same results. Now, it worked great, editing the .rif file. About the size of the...
292
Bruce Sounes
bruce@...
Mar 13, 2001 9:53 am
Hi Chas, Thanks for the response last Tuesday. It eventually occurred to me that the errors were due to my re-using an old ambient file - I was getting quite ...
293
David Baldacchino
daveb@...
Mar 13, 2001 1:32 pm
Regarding your claim of getting images of "enlarged" proportions, all you need to do is to change the image size in the interactive renderer, under "V" (set...
294
Judy Lai
jlai@...
Mar 13, 2001 6:37 pm
hi Renalto, ... An .opt file is created with every simulation command. If you edit the .opt file and then start a simulation, the simulation overwrites your...
295
Charles Ehrlich
ckehrlich@...
Mar 13, 2001 9:23 pm
Hi Bruce, I'm glad to hear that you have been successful with higher quality renderings. The re-use of old, invalid ambient files is a caveat of Radiance. We ...
296
David Baldacchino
daveb@...
Mar 13, 2001 9:33 pm
Chas, You just mentioned that the ambient file can be saved to save on rendering time when most things in the scenario remain constant. I will be rendering...
297
renatolemus@...
Mar 13, 2001 9:48 pm
Hi: I've been succesfull rendering in DR with all your suggestions. Now, I would like to know, ,why there are a lot or radiance images showing bitmaps on...
298
Charles Ehrlich
ckehrlich@...
Mar 13, 2001 10:23 pm
David, You asked how to save ambient information between renderings... Start a camera simulation (or duplicate and existing one), then click the "advanced"...
299
Charles Ehrlich
ckehrlich@...
Mar 13, 2001 10:39 pm
Hello Renato, I can understand your frustration with seeing fancy material types in the Desktop Radiance materials library, but not being able to create them...
300
Muhammad Fauzan
paus@...
Mar 15, 2001 12:51 am
301
mekanoo@...
Mar 15, 2001 8:51 am
hi chas, maybe the last e-mail direct to you...the next is going via newsgroup.. just this : i luckily reached the state of performing with deskrad. it´s a...
302
Charles Ehrlich
ckehrlich@...
Mar 15, 2001 6:53 pm
Dear Tilmann, Thanks for your feedback regarding Winrview. We are aware that the program is a bit unstable and we are investigating possible solutions. It is...
303
renatolemus@...
Mar 16, 2001 5:21 am
Hi. I've been having lots of fun playing with this great tool!! thanx I have a question: I've been modifying materials, testing different results with ...
304
Santiago Molina
caronte01@...
Mar 17, 2001 1:36 am
Renato: Here´s an example, taken from artifice's material definitions for dw models going to radiance. # Pavers-Oct-Sm-Gray void colorpict...
305
David Baldacchino
daveb@...
Mar 19, 2001 6:31 am
I am trying to render a file in batch mode. The model is quite large and has lots of windows and skylights. It has been rendering for the past 4+ days now and...
306
Charles Ehrlich
ckehrlich@...
Mar 19, 2001 7:11 pm
Hi David, Four days is a very long time to wait for a rendering, indeed. However, if your model is very, very complex (many light sources and/or many ...
307
Charles Ehrlich
ckehrlich@...
Mar 19, 2001 7:19 pm
Hi Terrance, Thanks for your feedback. The "unidentified modifier "0 " error message is a symptom of a bug in Radiance for Windows code that does not properly...
308
David Baldacchino
daveb@...
Mar 19, 2001 8:10 pm
Hi Chas, Thanks again. I am running Windows 98 but I can tell that calculations are still going by using the task monitor and the CPU usage is still at 100%....
309
Georg Mischler
schorsch@...
Mar 19, 2001 8:45 pm
... Are you treating all those as light sources? The following images were prepared with Rayfront instead of DR, but the basic principles remain the same: ...
310
David Baldacchino
daveb@...
Mar 19, 2001 9:00 pm
Thanks for your feedback George, All my glazings are treated as light sources since they are the main source of light. The footprint I am simulating consists...