.exr maps

Jacco · Post by **Jacco** » Wed Nov 01, 2006 9:35 am

when I try using .exr maps for env maps, this is what I get:

Jacco;

Kosmokrator · Post by **Kosmokrator** » Wed Nov 01, 2006 11:00 am

wow

nice colors nice bug...

ok i dont have any idea why this happents...

u can post your exr map here?what emmits exactlly?

jurasek · Post by **jurasek** » Wed Nov 01, 2006 12:43 pm

spherical or latlong?

greetz,
jur

Zom-B · Post by **Zom-B** » Wed Nov 01, 2006 3:32 pm

he he...

HDR Lightning + another Light Source, as far as I can remember...

BTW: nice Car

tungee · Post by **tungee** » Wed Nov 01, 2006 8:51 pm

saturday night fever:disco lightning!

boweeb007 · Post by **boweeb007** » Thu Nov 02, 2006 2:11 am

spherical or latlong?

Good question - make sure you're set to latlong.

Example:

Code: Select all

	<env_map>
		<latlong>
			<path>example.exr</path>
			<gain>1</gain>
		</latlong>
	</env_map>

Jacco · Post by **Jacco** » Thu Nov 02, 2006 3:53 am

That might just be the problem. it was set to spherical. nobody I knew had used these .exrs before, we didi have a clue of what was going to happen.

thanks for the quick response.
i'm using these probes.

Jacco;

afecelis · Post by **afecelis** » Thu Nov 02, 2006 4:26 am

@Jacco: what 3d modeling app are you using?
There was some insight on this regard for blender. Check it here:
http://www.indigorenderer.com/forum/viewtopic.php?t=518

arneoog · Post by **arneoog** » Thu Nov 02, 2006 4:31 am

I think you used the EXR exporter for PhotoShop

I get the same result when I export with that..

Don't know why, though...

Jacco · Post by **Jacco** » Thu Nov 02, 2006 4:32 am

since I posted this under the blender exporter forum I assume i'm using blender

thanks for the link. it is working now. I can see the refection of the map on my car. allthough the background (world) of my picture is still grey.

Jacco;

afecelis · Post by **afecelis** » Thu Nov 02, 2006 4:51 am

Jacco wrote:since I posted this under the blender exporter forum I assume i'm using blender
Jacco;

you're absolutely right!

I got confused with another thread

But I'm glad it's working now. I recommend you to try converting some of those evermotion hdrs into exr. They give some nice results

Jacco · Post by **Jacco** » Thu Nov 02, 2006 5:20 am

I've used several .exr's, all of them turn my scene grey...

[Indigo; 45 minutes; .exrmap = pisa]
thanks for all the help people.
any idea's to get my world right?

Jacco;

boweeb007 · Post by **boweeb007** » Thu Nov 02, 2006 6:18 am

Play with the gain setting (turn it way up - try 1, 1000, 100000, etc). Do you have any emitters? There's been a lot of confusion about how environment maps interact with other light sources. Here's the best response on the subject I've read:

http://www.indigorenderer.com/forum/viewtopic.php?t=84

Even if that isn't the problem, it's something everyone should be aware of.

IanC · Post by **IanC** » Thu Nov 02, 2006 1:22 pm

EDIT - Forget this, I'm wrong!

In the XML file, is there a background bit that has the EXR in, and one with something like

Code: Select all

<spectrum>
<rbg> 1 1 1 </rbg>
</spectrum>

?

If so, delete the one with the RGB bit in. No idea if this is the problem, but possible

Ian

IanC · Post by **IanC** » Thu Nov 02, 2006 2:09 pm

Aha.

Perhaps this is the problem:
Delete any background element + its contents. You should have an env_map thing, though.

Or, do you have ground plane on when you export?

.exr maps

.exr maps

Who is online