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HDR image effects broken?

HDR image effects broken?

2004-12-05       - By Axel Akesson

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Reply:     1     2     3     4     5     6     7     8     9  

Hi,

Trying to render a face with HDR reflections. I have two Environment
nodes in the skin shader, one with a HDR image for reflections and one
with a LDR image for FG. They are piped through a Ray_Type node. The HDR
reflections are a bit too colorful so I tried adjusting the sat with
Image Effects, the render is instantly crap (looks like a green constant
material with lots of noise). OK, deactive image fx and go to FX Tree
instead, get my HDR clip and do a HSV adjust between From_Clip and
To_Clip. Same result!!

So, is this a bug in 4.2 or am I missing something obvious?

Cheers,
Axel
VR


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<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Hi</span></font></span><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>,<o
:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'><span
style='mso-spacerun:yes'>&nbsp;</span><o:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Trying</span></font></span><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'> to
<span class=SpellE>render</span> a face <span class=SpellE>with</span> HDR <span
class=SpellE>reflections</span>. I <span class=SpellE>have</span> <span
class=SpellE>two</span> <span class=SpellE>Environment</span> <span
class=SpellE>nodes</span> in <span class=SpellE>the</span> <span class=SpellE
>skin</span>
<span class=SpellE>shader</span>, <span class=SpellE>one</span> <span
class=SpellE>with</span> a HDR image <span class=SpellE>for</span> <span
class=SpellE>reflections</span> and <span class=SpellE>one</span> <span
class=SpellE>with</span> a LDR image <span class=SpellE>for</span> FG. <span
class=SpellE>They</span> <span class=SpellE>are</span> <span class=SpellE>piped
</span>
<span class=SpellE>through</span> a <span class=SpellE>Ray_Type</span> <span
class=SpellE>node</span>. <span class=SpellE>The</span> HDR <span class=SpellE
>reflections</span>
<span class=SpellE>are</span> a <span class=SpellE>bit</span> <span
class=SpellE>too</span> <span class=SpellE>colorful</span> so I <span
class=SpellE>tried</span> <span class=SpellE>adjusting</span> <span
class=SpellE>the</span> <span class=SpellE>sat</span> <span class=SpellE>with<
/span>
Image <span class=SpellE>Effects</span>, <span class=SpellE>the</span> <span
class=SpellE>render</span> <span class=SpellE>is</span> <span class=SpellE
>instantly</span>
<span class=SpellE>crap</span> (<span class=SpellE>looks</span> <span
class=SpellE>like</span> a <span class=SpellE>green</span> <span class=SpellE
>constant</span>
material <span class=SpellE>with</span> lots of <span class=SpellE>noise</span>
).
OK, <span class=SpellE>deactive</span> image <span class=SpellE>fx</span> and
<span
class=SpellE>go</span> to FX <span class=SpellE>Tree</span> <span class=SpellE
>instead</span>,
<span class=SpellE>get</span> <span class=SpellE>my</span> HDR <span
class=SpellE>clip</span> and do a HSV <span class=SpellE>adjust</span> <span
class=SpellE>between</span> <span class=SpellE>From_Clip</span> and <span
class=SpellE>To_Clip</span>. Same <span class=SpellE>result</span>!!<o:p></o:p>
</span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'><span
style='mso-spacerun:yes'>&nbsp;</span><o:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'>So,
<span class=SpellE>is</span> <span class=SpellE>this</span> a <span
class=SpellE>bug</span> in 4.2 <span class=SpellE>or</span> am I <span
class=SpellE>missing</span> <span class=SpellE>something</span> <span
class=SpellE>obvious</span>?<o:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'><span
style='mso-spacerun:yes'>&nbsp;</span><o:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><span
class=SpellE><font size=2 face="Courier New"><span style='font-size:10.0pt;
font-family:"Courier New"'>Cheers</span></font></span><font size=2
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>,<o
:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'>Axel<o:p></o:p></span></font></p>

<p class=MsoNormal style='mso-layout-grid-align:none;text-autospace:none'><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier
New"'>VR<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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