Page 1 of 2
please confirm...
Posted: Mon Mar 09, 2009 7:47 pm
by gotoxy av-media
hello,
saving the rendered image as hdr leads to ugly antialiasing in vertical lines!
what did i do wrong??? or is this a known bug???
please confirm!
thx
munch
Posted: Mon Mar 09, 2009 8:04 pm
by frosty_ramen
are they both viewed at 100%?
Posted: Mon Mar 09, 2009 8:09 pm
by Bubbaloo
Did you down-size them for upload?
I have noticed this will happen if you down-size a hdr in Photoshop while in 32 bit mode. First switch to 16 bit before adjusting the image size.
Posted: Mon Mar 09, 2009 8:13 pm
by gotoxy av-media
yes both are 100%...just opened in photoshop and saved as jpg...
please set up a small render to verify that it is not me doing something wrong!
thank you
munch
Posted: Tue Mar 10, 2009 1:26 pm
by gotoxy av-media
hello!
nobody here in the forum, who can set up a quick testrender and save as hdr?
you can also open an old rendering and save as hdr...so thats just a few seconds...please!!!
or just type YES, same AA-bug here...
or just type NO, it works fine here...
thx
munch
Posted: Tue Mar 10, 2009 2:03 pm
by Bubbaloo
I always save to hdr and have never noticed it. Now I will look closer, I'm sure. Have you tried rendering at higher resolution to see if it is still present?
Posted: Tue Mar 10, 2009 2:14 pm
by gotoxy av-media
thank you bubbaloo for the reply!
i am not in the office at the moment so can not render in hires now...
but i don`t think it is depending in size of render?
maxwell should work at any size! but i will test it tomorrow...
the AA-bug is best visible in vertical lines, that is why i rendered a star-like-thing for testing!
maybe the A-team can help?!
thx
munch
Posted: Tue Mar 10, 2009 3:38 pm
by frosty_ramen
here is a jpg
here is a hdr
Posted: Tue Mar 10, 2009 4:06 pm
by polynurb
this is what i referred to in my
post
I have noticed that this added brightness also leads to stronger aliasing artefacts in highlight areas, if the hdr is compared to the .png output.
(eg. corner hit by sun bordering background sky)
.. and i think that is not what it is supposed to be like... or is it?
Posted: Tue Mar 10, 2009 4:10 pm
by gotoxy av-media
thank you frosty_ramen for taking some time!
the AA-bug is more evident in thinner geometrie, maybe you could decrease the radii of the cylinders to 1% and render again?!
i took a closer look of your render in PS (two layers)...even here you can see in comparison that hilights on the top of the cylinders vs background starts to get stepped...
hmmm, maybe this AA-bug is getting stronger when hilights are at the edges of the model...take a look at my renderings!
thx
munch
Posted: Tue Mar 10, 2009 4:20 pm
by gotoxy av-media
@polynurb
hmmm, looks nearly the same...
is it also visible when it`s not overexposed???
thx
munch
Posted: Tue Mar 10, 2009 4:48 pm
by polynurb
gotoxy av-media wrote:
is it also visible when it`s not overexposed???
not.. it is not as visible at first (exporting less exposed hdr/png), but once you crank the exposure back up in PS.. it will look just the same.
Posted: Tue Mar 10, 2009 5:01 pm
by gotoxy av-media
by the way what does aut of it mean? südtirol?!
thx
munch
Posted: Tue Mar 10, 2009 5:56 pm
by polynurb
that phrase is open for interpretation.. südtirol.. is a pretty good one
gruß,
p.
Posted: Fri Mar 27, 2009 2:27 pm
by gotoxy av-media
finally i found a solution for saving the rendered image as hdr without getting bad AA...
i switched to another unbiased renderengine, which has no problems saving images as hdr correctly!
@NextLimit
will this be fixed before Maxwell2.0 is released?
thx
munch
