Please help me to solve this problem! Envr Map & Lights

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williamhhf
Posts: 37
Joined: Sat Apr 23, 2011 4:36 pm

Please help me to solve this problem! Envr Map & Lights

Post by williamhhf » Sun May 15, 2011 10:21 pm

Hi, if any master out there read my post, please help me!

I've attached a photo below i've rendered, but the problem is, once i set the EXR environment map, there is no lights & shadows anymore. Can someone help me?
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Rest House.jpg
No light & shadow

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CTZn
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Joined: Thu Nov 16, 2006 4:34 pm
Location: Paris, France

Re: Please help me to solve this problem! Envr Map & Lights

Post by CTZn » Mon May 16, 2011 2:57 am

Hello, this problem was much exposed throughout the site.

The reason is that the env map energy is way too strong, other lights are currently no match. You want to either reduce the power of the former or augment the one of the later, by an important amount (possibly lots of zero's in the multiplier).

I recommend that you first set the light powers relative to the skylight (Indigo's native), then replace it with your envmap wich you will adapt by reducing its power. Try other tonemapping methods during this process, the Reinhard tonemapping is convenient but also deceptive sometimes.
obsolete asset

williamhhf
Posts: 37
Joined: Sat Apr 23, 2011 4:36 pm

Re: Please help me to solve this problem! Envr Map & Lights

Post by williamhhf » Mon May 16, 2011 5:13 am

Hi there, thx for your reply.

i guess because my english are not that good, actually im suppose ask the sunlight & shadow!

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Pibuz
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Location: Padua, Italy
3D Software: SketchUp

Re: Please help me to solve this problem! Envr Map & Lights

Post by Pibuz » Mon May 16, 2011 6:09 am

Hi William!
In the current versions of Indigo you cannot work with either sun/sky system and env map at the same time.

That's why your render doesn't show sun shadows at all.

At the mometn you problem is not directly solvable. I say "directly" because if you work a little on some exr (or hdr) maps you can obtain pretty sharp direct lighting, if there is a suitable lightsource in the map. You just have to open the map with photoshop and lower the gamma value of the image.

williamhhf
Posts: 37
Joined: Sat Apr 23, 2011 4:36 pm

Re: Please help me to solve this problem! Envr Map & Lights

Post by williamhhf » Mon May 16, 2011 10:42 pm

Thx for your guide Pibuz, i've made it with sunlight & shadow with Envr map now! Million time of TQ!

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