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SWW2009 PV360 session videos

Question asked by 1-9C36HC on Feb 19, 2009
Latest reply on Apr 2, 2009 by Paul McCrorey

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Hello,

Again, I apologize that I was not able to demonstate how to do Depth-of-Field and Decal application during my Tuesday afternoon session at SWW2009. I'm recovered from my HDD crash but the "jury is still out" as to whether I get my data recovered. I anycase, I did a few videos this afternoon to makeup for what I wasn't able to demo. You can access them here:

DOF demo
Decals Demo

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Paul McCrorey Mar 10, 2009 10:07 PM
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Mark...

Thanks for the videos..they are great tips...

Quick question on your PV360 rendering. Can you post a vid on how you did that?

Or maybe post the materials/room you used.

Did you use any additional lighting or is this hdri. By additional I mean did you add any objects and apply the light material to them. I haven't had a lot of luck w/that.

I can see by your rendering that there is a nice diffuse light right above the controller.

Thanks,
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- 1-9C36HC @ Paul McCrorey on Mar 11, 2009 1:10 PM
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 Did you use any additional lighting or is this hdri. By additional I mean did you add any objects and apply the light material to them. I haven't had a lot of luck w/that. Ahh... I was wondering if anyone noiticed that! Yes, I modified "the backdrop with overhead spotlight.hdr" (Overhead spot shadow scene) and customized it with one of my own to get a brighter overhead round tent. Starting with PhotoShop CS2 (I have CS4) you can alter HDR images - i.e. exposure and a limited set of other functions. The exposure changes I did are custom for the kind of materials that I have with the controller model, and therefore the overhead tent is super bright and not suitable for a lot of other materials in 360. What is nice about the exposure changes I made to my HDR is that you can rotate the environment to have a lighter table and background or a dark one (because of the secondary lights in the image.) PLEASE MAKE A BACKUP COPY OF THE ORIGINAL HDR in the <photoview360 install>\resrc\presets\environments folder before you replace it with the one that I altered. You may not like it and want to go back. DO THIS A YOUR OWN RISK. I will zip up the hdr and the image rendered out of 360 and attach it here. You can get the game controller model <a target=_blank class=ftalternatingbarlinklarge href="http://files.solidworks.com/special-videos/gamecontroller.zip">Here</a> 
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 - custom-hdr.zip1.3 MB
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 - Paul McCrorey @ 1-9C36HC on Mar 11, 2009 2:08 PM
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 Mark,
 
 Thanks a ton...I will play around with this
 
 Starting with PhotoShop CS2 (I have CS4) you can alter HDR images - i.e. exposure and a limited set of other functions.
 
 I looked at your exposure....looks like the top light was pretty intense +2.96 white...
 
 BTW...for those wondering how to do this in Photoshop, I saw a great explanation on this in the below webinar...
 
 http://hypershotwebinars.blogs...inar-december_21.html
 
 One other interesting note - as I get into playing with these hdrs...I have noticed that even at 0.00 intensity, they still give off light. For example...in your hdr..there are 2 spot lights that still give off light.
 
 I have also used Mike Wilson's hdrs like "The Bridge" and "The storm". I can't find any white lights that are greater than 0 in intensity. I am still trying to figure out how they generate light since it is my (obviously wrong) understanding that to generate light the intensity must be greater than 0.00
 
 Oh well....we'll keep learning...
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 - 1-9C36HC @ Paul McCrorey on Mar 16, 2009 10:57 AM
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 Paul (and others)
 
 I would highly recommend Christian Bloch's book "The HDRI Handbook". It is a great resource for anyone wanting to know more about HDRI and how to create and modify images for CGI etc. You can pick it up and Barnes & Noble as well as Amazon and even comes with Software, tutorials and example images to help you along.
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 - Paul McCrorey @ 1-9C36HC on Apr 2, 2009 7:35 PM
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 Mark,
 
 Got the "HDRI Handbook" you recommended and am reading it. WOW...it is pretty intense but full of good stuff. Haven't broke out the discs that come with it yet.
 
 Also, I purchased this from Amazon and fell victim to their marketing ploys and bought another book. As it turns out, its a pretty awesome book as well..."The Photographer's Eye: Composition and Design for Better Digital Photos" by Michael Freeman. While it is intended for actual real photography, I found it most helpful and plan on using it in my future rendering compositions.
 
 Thanks for the Tip.
 
 Paul
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