Preview in material editor

suvakas · Post by **suvakas** » Mon Nov 26, 2007 6:46 am

lorembolo wrote: In latest version of Maxigo, the preview is really cool, but it seems that some mats can't be previewed (like sss) .. is it a bug ?

SSS works fine here. What's the problem you're having exactly?

lorembolo · Post by **lorembolo** » Mon Nov 26, 2007 7:47 am

The problem is simple : in material editor, with some materials, the preview button doesn't seem to work.
Of course, it maybe a mistake, so here is a screenshot :

psor · Post by **psor** » Mon Nov 26, 2007 8:12 am

Hmm, ... had this problem too! In my case with a diffuse shader. Right now
I can't replicate the problem, but now the preview for blend shader is not
working at all. Dunno what's going on, shellscript is launching but Indigo
does not start!

take care
psor

Kosmokrator · Post by **Kosmokrator** » Mon Nov 26, 2007 8:29 am

yeap this is true...some times i have discover after the first preview does not work for others....
a quick command line window appears and dissapears nothing else

suvakas · Post by **suvakas** » Mon Nov 26, 2007 8:48 am

Could you guys check the log.txt file under Mat_Prev folder in your Exported_From_Max dir right after the indigo_console.exe closes itself (when you press the Preview button)? There should be a reason of "crash" written around the last lines.
It would help me to trace the bug!

[edit]
Also a note - you can't run 2 previews at the same time.

lorembolo · Post by **lorembolo** » Mon Nov 26, 2007 9:21 am

I just found one thing : th name of material conatains spaces and accents.... after renaming it, it works...
Maybe a problem with empty or special letters.....

attached the log.txt file....

Kosmokrator · Post by **Kosmokrator** » Mon Nov 26, 2007 9:31 am

lorembolo suvakas his meant the output log of preview console inside the indigo_v1.0.3\Exported_From_Max\Mat_Prev

psor · Post by **psor** » Mon Nov 26, 2007 9:32 am

@suvakas

I've checked the log file and there is no error, then I checked the "prev_mat.igs"
and for the blend material example, it was wrong! It just contains ...

Code: Select all

<scenedata>

</scenedata>

I checked all the names, replaced suspicious names with basic characters,
but this was not the culprit as I thought.

Thanx in advance! ;o))

nb: I'd no problem to launch more previews?!

take care
psor

lorembolo · Post by **lorembolo** » Mon Nov 26, 2007 9:47 am

Kosmokrator
ok

psor
I can also launch 2 previews

Kosmokrator · Post by **Kosmokrator** » Mon Nov 26, 2007 10:46 am

ok suv finaly i have god the error again....here is the log file....

Code: Select all

SSE present.
SSE2 present.
SSE3 present.
PNG output pathname: '03_-_Default_403631.png'
Using 1 thread(s).
Setting halt time to -1.00000 s
Setting halt samples per pixel to 75.00000 samples per pixel
Scene file path: 'material_preview.igs'
Using working directory path ''.
Loading Scene 'material_preview.igs'...
Using linear tone mapping with scale=0.127500
NOTE: using default value of 0.033333 for attribute 'exposure_duration'.
1 UV coordinate set(s) found.
1 UV coordinate set(s) found.
1 UV coordinate set(s) found.
trying to load texture from 'checker.jpg'...
Loaded texture successfully.
Processing included XML file 'prev_mat.igs...
trying to load texture from 'starfish.jpg'...
Loaded texture successfully.

and thats all....i think not much usefull

suvakas · Post by **suvakas** » Mon Nov 26, 2007 4:34 pm

There is not much info indeed.
Hmm..I never had those errors myself. This one will be tricky to debug.
How offten do you guys get this by the way? Is it something, that sometimes occures or do you get this offten?

Kosmokrator · Post by **Kosmokrator** » Mon Nov 26, 2007 7:46 pm

i think very offten suvakas.......for example i cant reply this bug on empty scene but on other full scene(full of materials and objects) it happents after 2-3 previews

take your time......its not important bug (at least for me...)

edit..........i noticed suvakas the bug appears to be only in materials who use any bitmaps or nk files....chek it out.....thnx

suvakas · Post by **suvakas** » Tue Nov 27, 2007 4:17 am

Kosmokrator wrote: edit..........i noticed suvakas the bug appears to be only in materials who use any bitmaps or nk files....chek it out.....thnx

Thanks, that's good to know.

suvakas · Post by **suvakas** » Wed Nov 28, 2007 8:49 am

psor wrote: ..but now the preview for blend shader is not
working at all. Dunno what's going on, shellscript is launching but Indigo
does not start!

What's in your Blend material? Any bitmap textures? Mask?

If you guys could find any pattern or some sort of situation when the preview doesn't work, then please let me know. I've been trying a lot of combinations, but everything works fine here.

suvakas · Post by **suvakas** » Wed Nov 28, 2007 9:01 am

I think i discovered something. Can you guys confirm, that this only happens in scenes that are done with previous versions of Maxigo?
The thing is, that older versions export material with uvset named "-none-".
When the material preview is not rendering again, then see, if there is an <uv_set>-none-</uv_set> in prev_mat.igs file and let me know !

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