Chaos Corona Forum

Chaos Corona for 3ds Max => [Max] General Discussion => Topic started by: penryn720 on 2013-08-23, 01:13:43

Title: hdri question
Post by: penryn720 on 2013-08-23, 01:13:43
hi. . .  I have a question,  where should I put my hdri? or how can i get hdri + corona sun combination?

thank you very much..
Title: Re: hdri question
Post by: Ondra on 2013-08-23, 09:47:21
simplest solution is to put it in 3dsmax environment (8 key). You can freely combine it with CoronaSun just by creating coronasun object
Title: Re: hdri question
Post by: maru on 2013-08-23, 10:00:05
But if you don't align them correctly, you will probably get two suns.
Title: Re: hdri question
Post by: penryn720 on 2013-08-23, 17:29:24
ohh ok ok thank you very much , i will try ... corona render is so amazing and so real congrats !!! :D
Title: Re: hdri question
Post by: Sam75 on 2013-08-23, 21:34:17
I am using a vrayHDRI map it gives you more options and it works fine with corona. I would prefer a coronaHDRI though...
Title: Re: hdri question
Post by: michaltimko on 2013-08-24, 13:23:04
Drag and drop your hdri from env to mat editor, and set it to spherical environment btw.
Title: Re: hdri question
Post by: penryn720 on 2013-08-30, 02:28:30
ok ok thank you very much guys i will tri :)
Title: Re: hdri question
Post by: Juraj on 2013-09-05, 12:56:38
But if you don't align them correctly, you will probably get two suns.

While I always used just single HDRi, I recently had job that just looked shitty no matter what with single "sun" (directional shadows from HDRi). So I added CoronSun at 90' angle difference. Then I had two suns, front and side lightning at the same time :- ) I had to say it looked great and definitely wasn't noticeable by eye because of varying intensity and blurriness of shadows. It made for cool interior "studio" like setup. Sometimes, reality just sucks.
Title: Re: hdri question
Post by: maru on 2013-09-05, 15:56:43
"Hey guys, let's photograph this chair in a dual solar system!"

This is why you have rendering software. ;)
Title: Re: hdri question
Post by: Ludvik Koutny on 2013-09-05, 16:03:02
"Hey guys, let's photograph this chair in a dual solar system!"

This is why you have rendering software. ;)

Actually, there are even more common situations, I have seen quite a few photos with two suns already. For example house, which is from one side lit directly by sun, and from other side, there is a huge glass building, which reflects sunlight back on the house from other side, creating only slightly less intense and slightly more blurry light. There is a lot of reflective surfaces outside, so spaces can often be lit in very interesting manner. :)

Or at evening, when there is a dark blue light coming inside from window, you can be in an apartment that is on some of higher floors, and there can be actually street lamps shining into your room from bottom on the ceiling. That is also quite interesting lighting situation i have not seen anyone to use.
Title: Re: hdri question
Post by: Ludvik Koutny on 2013-09-05, 16:05:11
"Hey guys, let's photograph this chair in a dual solar system!"

This is why you have rendering software. ;)

Actually, there are even more common situations, I have seen quite a few photos with two suns already. For example house, which is from one side lit directly by sun, and from other side, there is a huge glass building, which reflects sunlight back on the house from other side, creating only slightly less intense and slightly more blurry light. There is a lot of reflective surfaces outside, so spaces can often be lit in very interesting manner. :)

Or at evening, when there is a dark blue light coming inside from window, you can be in an apartment that is on some of higher floors, and there can be actually street lamps shining into your room from bottom on the ceiling. That is also quite interesting lighting situation i have not seen anyone to use.

You can be really creative with the scene lighting and still achieve very believable results, as long as you keep it physically plausible. That means no point lights, no altering of light falloff or no disabling of shadows :)
Title: Re: hdri question
Post by: maru on 2013-09-05, 16:23:22
Pretty interesting idea for a photo: photograph something in the morning and next in the evening when sun is facing opposite direction, then blend images together. What a wonderful offtop!
Title: Re: hdri question
Post by: Ondra on 2013-09-05, 16:42:33
... or a timelapse between sunrise and sunset to showcase the awesome sunlight system :D hint hint ;)