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July 8th, 2009 
admin 
A short Blender video tutorial on baking an AO (ambient occlusion) map for a 3D terrain model.
Make sure that;
- The mesh has a Blender material applied
- That material has a texture slot igned to it (can be a ‘blank’ texture).
- The mesh needs a UVW map (now done in EDIT mode for Blender 2.46) – make sure the UVW map stays within the bounds of the texture space, and for better quality user a large texture image (1024×1024 minimum).
- In OBJECT mode click on the ‘Shading’ button (F5 – first row of buttons), then click the “World Button” (button with a ‘globe’ on it).
- Click on and then ‘activate’ the “Ambient Occlusion” panel settings.
- Using the defaults, mouse over the 3D window and press “Ctrl+Alt+B” to open the render options, select “Ambient Occlusion”, click to render.
- Save render from the UVW image window (image is then saved as the active texture images applied to the material slot and the UVW map.
For more tutorials visit http://www.katsbits.com
Useful shortcut keys
http://www.katsbits.com/htm/tutorials/blender_useful_keyboard_shortcut_keys.htm
More Blender related tutorials
http://www.katsbits.com/htm/tutorials.htm#blender_tutorials
Duration : 0:5:31
[youtube GhN5pRNlz0w]
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E-mail me some …
E-mail me some details of what you’re trying to (see links opposite). Basically Blender should be able to handle anything you throw at it; your issues will be scale relative to its destination.
Do you have any …
Do you have any advice on how to create a large (an area of a few hundred km) terrain? I have a satellite greyscale heightmap but I am unsure which program will allow me to accomplish it… Thanks.
You’re in luck. Go …
You’re in luck. Go to Katsbits . com and find the “model to map” tutorial in the tutorials section, that has what you need.
Ok a question :p
I …
Ok a question :p
I modeled a cool looking map but when i opened the quake map file (you can export that in blender)
In a radiant It looked messed up o.O
How does this come?
Ive tried doing it with making it out of seperate cubes and that works. The only problem is ingame is that you can glitch massivly. You got any idea how i can use a normal model as map?
Yeah, sorry about …
Yeah, sorry about that.. decent audio takes a lot of time and effort to sort out and record (not to mention HD space), especially if you don’t want a lot of “ermmm”, “hmmmm”, “ok, that wasn’t supposed to happen” etc. comments in them ;o)
Damn it all these …
it all these cool tutorials don’t have sound
Can’t promise …
Can’t promise anything but I’ll see what I can do. May be some time before it’s done though so I’d work on some other things in the meantime.
could u make a …
could u make a stencil tutorial? ive seen sum and there so complicated and not clear at all…
Basically two ways; …
Basically two ways;
1) Stencils (layered materials)
2) ‘painted’ textures (blend is part of the physical texture mapped to an object)
Stencils allow better quality as the stencil (mask cut out) that’s used by the material to give the appearance of blending can be done independant of the underlying textures size, resolution and quality.
Using ‘painted’ textures can’t, a grass and rock ‘blend’ would have to be done in photoshop + use huge images to get good quality results.
how do u mix …
how do u mix textures together in blender with like grass and rock??
Are you doing a ” …
Are you doing a “Full Render” or and “AO Bake”? The two are different and may be one reason. The other is the texture buffer not clearing or being written to properly so save the file, then reopen it to ‘refresh’ the data. Try rendering again.
umm this is awesome …
umm this is awesome but when I do full render, my image turns all black..? I have texface selected. How do you get an image to be backed. thanks
You mean adding a …
You mean adding a sky? That depends on what game engine the terrain model and textures are going to be put into; most have some form of sky ‘box’ system that use materials and the same basic principles of a sky texture ‘projected’ onto a simplified background surface (often nothing more than a big box).
nice but how to u …
nice but how to u get a background for it so if u play the game it would be just a black background
im making a game i …
im making a game i need a landscape deisigner and you would be perfect
Yes, models, …
Yes, models, textures etc.. don’t use other peoples work as it’s too much hassle to get copyright clearance
Why?
did you make this …
did you make this yourself
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