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INSIDE / TUTORIALS : |
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Textures -
Once I was satisfied with scene illumination it was time to start working on textures - the easiest but most time consuming part if you ask me. I will not go into details here because you can find many good tutorials that explain this process step by step. The textures for Arcadia were based on high resolution images of my own. I added dirt, scratches and small surfaces details in Photoshop. When I was finished with one,
I saved the diffusmap as bumpmap - same image but inverted, desaturated and with higher contrast. In 3ds Max I put my maps together. I used predominantly Max standard materials, sometimes VRay materials when I tried to achieve subtil reflections. The sand material is a procedural mapmix (noise, gradiant, falloff and more noise). That's it, nothing special :) In the end every part of the scene was rendered with VRay 1.09 and saved in a format where I could bind in the alpha channel (TIFF, TGA and so on) I used standart VRay render settings, no VRay lights, no HDRI, only the quick and hight quality Global Illumination.
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Postproduction
I say always that a pure render out of any 3d software is like a un-cut diamond :) With some retouches in your favorite painting or compositing program you can enhance the quality of your work enormously. If you know what you can achieve in postproduction, you can decide early on what you have to do during the 3d process. I opened my four renders in Photoshop and, with help of the alpha channels, I put them together in a new file. The several layers gaves me the opprtunity to work separately on the jet, the airplane and the columned hall. As you can see above, without any improvements the whole scene looks terrible; low contrast, watery colors... In fact it's not even clear from which direction the light is coming.
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Postproduction - continued ...
First I used the blur tool (shortcut key "R"), chose a small brush, zoomed in and made some cracks in the columns and the stony steps.
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Postproduction - continued ...
To make the ground more sandy I drew a selection by hand (you can do this with photoshop selection tools or with the path tool - shortcut key "P") I copied the selection to a new layer, kept the original sand untouches and added some noise. You can adjust the effect intensity by holding down "Comand - Shift - F"- If you use this key combination immediately after applying a Photoshop effect, a small window appears where you can change the effect opacity and the layer blending mode.
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Postproduction - continued
In a new layer I created a selection on the things I wanted to illuminate. Then I filled the selection with a simple radial gradiant (from yellow/gold 100% to yellow transparent). Before I was satisfied with the look I transformed the whole layer a little bit (edit / transform / distort). This gives illusion of a bright light that shines directly from the distant background into the column hall. To make the gradiant itselfs less visible I changed the layer blending mode from normal to overlay and set the opacity about 40%. I repeated this process several times with different gradiant colors and layer blending modes until I was satisfied with the result.
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Postproduction - continued
The last thing that I will mention in this tutorial is the brightness correction. As you certainly know you don't have to permanently apply a level or any adjustments to an image. I always prefer the adjustment layers. They work as normal layers; you can apply, copy, edit and remove them and you can use the layer mask! I opened up a new - Adjust Levels - layer and put it on the top of my stack. In the beginning you don't have to ajust here anything, we will come back to the settings later. First I tweaked the layermask to limit the effect. I have done this by clicking on the layermask to activate it (don't forget to press the ALT button at the same time) Now we need the gradiant tool again (first color white, second black). I drew a gradiant from top to bottom. Now the - Adjust Levels - layer affect only the white area whereas the black stay untouched. Then I opened up the - Levels - settings again and played arround with the black bar and buttons until the bottom of the image was darker then the rest. I used this technic a few more times to create the desired mood. In the end I fitted all layers together and added a slight sharpness effect to the image. That's it
I want to thank The123d.com for giving me the possibility to show my stuff. I hope that something was useful for you :)
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INSIDE THE MODEL DATABANK
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