[Req] Spherical HDRI support

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Lord of the Rings Junkie
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[Req] Spherical HDRI support

Post by Lord of the Rings Junkie » Tue Jan 22, 2008 2:02 pm

It would be nice if you could fix Indigo so that it works with spherical HDRIs, sometimes it's a pain to have to convert all of them to lat/long format.

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Dacksoldier
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Post by Dacksoldier » Tue Jan 22, 2008 5:19 pm

i've used spherical HDRI using .float file

Vanessa07
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Post by Vanessa07 » Tue Jan 22, 2008 10:22 pm

Dacksoldier

How do you convert .hdr to . float file?

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Dacksoldier
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Post by Dacksoldier » Thu Jan 24, 2008 2:52 am

so i open the hdr in photoshop and just save it with .float on the end
thats what i did

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ViennaLinux
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Post by ViennaLinux » Thu Jan 24, 2008 9:23 am

Dacksoldier wrote:so i open the hdr in photoshop and just save it with .float on the end
thats what i did
.float?!
That will render correct? Dont think so.
Core2duo e6600 @ 3.1GHz watercooled at default VCore ^^

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drBouvierLeduc
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Post by drBouvierLeduc » Thu Jan 24, 2008 9:56 am

Or use hdrshop : panoramic transformations -> latlong to spherical

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ViennaLinux
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Post by ViennaLinux » Thu Jan 24, 2008 10:44 am

drBouvierLeduc wrote:Or use hdrshop : panoramic transformations -> latlong to spherical
You mean the other way round?
I only have spherical hdrs.
Whats the best way for me?
- convert them to lat long and save them as exr?
Core2duo e6600 @ 3.1GHz watercooled at default VCore ^^

Lord of the Rings Junkie
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Post by Lord of the Rings Junkie » Thu Jan 24, 2008 10:45 am

drBouvierLeduc wrote:Or use hdrshop : panoramic transformations -> latlong to spherical
Changing a lat/long probe to spherical won't make Indigo use the spherical mapping. :wink:

@Vienna: Yes, right now you have to convert spherical to lat/long in HDRshop and convert to EXR.

BbB
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Post by BbB » Thu Jan 24, 2008 9:41 pm

spherical .float files seem to work for me.
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ViennaLinux
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Post by ViennaLinux » Fri Jan 25, 2008 12:26 am

set the camera angle to 180 degress and render a shot of the sky hemisphere - then you know if it is mapped the right way.
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BbB
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Post by BbB » Fri Jan 25, 2008 1:09 am

I did a first test with a chrome ball. It is mapped the right way :D

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Kram1032
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Post by Kram1032 » Fri Jan 25, 2008 4:46 am

I guess, latLong is better than spherical...
Though, the less distortion due to changing the map mode, the better as the quality will decrease with each conversion...

BbB
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Post by BbB » Fri Jan 25, 2008 4:58 am

I say we ought to use each map the way god intended them to be used...

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psor
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Post by psor » Fri Jan 25, 2008 8:19 am

"I say we ought to use each map the way god intended them to be used... "

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