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Vue F.A.Q (Last Updated: 2024 Nov 30 5:12 am)





 


Subject: Round terrain object

leo31773 opened this issue on Nov 02, 2009 · 6 posts
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leo31773 ( ) posted Mon, 02 November 2009 at 9:13 AM · edited Thu, 28 November 2024 at 9:47 AM

Hi

Is there a way to change the default square shape of the terrain object?

I don't mean the terrain height which can be controlled with functions or gradient images, I mean the actual object which is always a square platform. For a certain effect, I need it to be round.

wabe ( ) posted Mon, 02 November 2009 at 9:19 AM

Clip it simply from the bottom, then you do not have the square bottom.

One day your ship comes in - but you're at the airport.

thd777 ( ) posted Mon, 02 November 2009 at 9:24 AM · edited Mon, 02 November 2009 at 9:24 AM

file_442280.jpg

You sculpt a round terrain (either by hand or by importing an image) and then clip off the bottom using the clip slider. See the attached image.

Ciao
TD

Ooops, too slow...

leo31773 ( ) posted Mon, 02 November 2009 at 9:32 AM

 Thanks, I know about the clipping technique.

Unfortunately I don't think this can work with my terrain - a procedural one driven by terrain fractals.

You see, my goal is not a round mountain. I want a round platform to be the basis for large scale desert canyons.

leo31773 ( ) posted Mon, 02 November 2009 at 11:03 AM

Ok, I figured it out eventually. I used a round black & white image as a texture map node in the function editor. I then used a subtract blending mode in a kombiner with the rest.
That gave me a round elevated terrain, retaining exactly the same terrain features I had before.

Finally I used clipping until the square floor got cut off completely. 

Thanks everyone for the inspiration!

nruddock ( ) posted Mon, 02 November 2009 at 2:33 PM

If you're doing a pure procedural terrain, you're probably best doing the clipping via some nodes rather than an image.

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