Depth of Field

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Depth of Field // Roundtable

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Post by Paul Boland // May 5, 2007, 8:14am

Paul Boland
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Today, for the first time, I went looking at how to use DoF for rendering an image using TrueSpace 6.6. After two hours of working with the tool, I gave up, not having once managed to get the area of a render I wanted in sharp focus, to come into sharp focus. In the end, I rendered a solid crystal clear render of the image in question and took it into Photoshop Elements to add blur there.


DoF is completely baffling to me. I can't get to grips with it at all. So after giving it a bit of thought, here's my suggestion to Caligari on how to implement a simpler DoF setup.


Ok, so you have your scene and you have your camera. Switch to a side view so you are looking at the camera side on. Then click the DoF tool. Two horizontal lines appear. Everything within the horizontal lines is rendered sharp while everything else is blurred. By moving the two lines, you can specify the area you want your DoF to look at before rendering off the scene. No messing around with numbers which don't seem to work for you, despite they seeming to make sense after reading the manual on DoF for the umpteen time.


Don't get me wrong, I'm not complaining here, just pointing out that unless you know what you're doing, DoF is very difficult to get to grips with.

Post by spacekdet // May 5, 2007, 8:37am

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See if this helps any. (http://www.spacekdet.com/tutorials/look_at_tut/)

Post by Paul Boland // May 5, 2007, 9:21am

Paul Boland
Total Posts: 383
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Thanks, spacekdet. That has worked fine and given me the result I was after. I like the way you created a null object to look at. Would be nice if TrueSpace had a null object in it's object list. But anyway, this has worked great, appreciate it.


One thing though. Looking at your screen shots, I see that your scene display is that of TrueSpace 5 in that the selected object is highlighted and the unselected ones are a dull grey. My TrueSpace 6.6 isn't like this. My selected objects are white and my unselected ones are an off-white. It's very difficutlt to differentiate between them. I've checked the properties panel and NoSel is set to a dark blue colour but I'm not getting this. Since TrueSpace 7.5 will be shipping next week, so I won't be working with 6.6 for much longer, it isn't too much of a bother, but have you got any ideas on what's the problem here? I can post a screen shot if need be.

Post by spacekdet // May 5, 2007, 11:40am

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A quick visual minitut on Layers and Wireframe colors in tS 6.6 can be found here. (http://www.spacekdet.com/tutorials/Layer_color/)

Post by Paul Boland // May 6, 2007, 8:14am

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Thanks again, spacekdet, but I'm not having any luck here. Here's a screen shot of my TrueSpace 6.6.


http://www.iol.ie/~pkb/TS66Wire.jpg


See how the unselected objects are pale grey while the selected one is white. I have turned off Use Layer Colours and as you can see, my display setup is not set to these colours either, but I'm not getting them. Can you see where I'm going wrong?

Post by nowherebrain // May 6, 2007, 8:28am

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You should also RMB on the individual layer buttons and disable the use of color there....I hope that helps, otherwise, I have no idea.

Post by spacekdet // May 6, 2007, 8:31am

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Right Click on 'Layer #1' and tic the 'use as wire color' box. Now change the color from the default grey. Note how all the objects on Layer 1 also change the color of their wireframe. Also note that the color swatch in the Layer# icon also changes color. I think what's throwing you is the default grey color.

To use only the colors specified in the Display Options panel, untic both 'use as wire color' and 'use layer colors' boxes. This sort of cripples the functionality of having different colored layers, but if you have a scene or modeling scenario where you don't need layers, then it's an option.

I usually run with both boxes checked- the reason becomes clearer as you add multiple layers and colors.

Post by Paul Boland // May 6, 2007, 8:46am

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Yes!! Success!! Thanks very much, guys. My wireframe colours are now working as they should. Appreciate the help. Thanks.
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