POV-Ray : Newsgroups : povray.general : How to do this terrain tiles with POV? : How to do this terrain tiles with POV? Server Time
8 Aug 2024 08:17:45 EDT (-0400)
  How to do this terrain tiles with POV?  
From: Bogdan
Date: 24 Jan 2001 16:21:16
Message: <3A6F478C.64271433@yahoo.com>
Hi

Question.1
=============
My problem is (or looks) simple:
I want to make a terrain in POV (using heighfields or primitives)
and then to find a way to cut simple rectangular tiles or macro tiles
from this image (32x32x4x2in size) so that i can use them to padd a much
greater areea
and it must not be noticeable the terrain is made from rectangular
tiles...

What i did:
I made a scen with a orthographic camera at <k,1*5k,-k>
look_at <0,0,0> then made a mountain and rendered the image at
a 2:1 ratio ie 384x192 512x256 etc
then i cut diamonds from it....

I dont like it...i need rectangular sets of tiles not diamonds 
for my game ...

anybody has any ideea?

Question.2
===============
Besides that why must i place the camera at 1,5*k on y ? from my
calculations i shoud be at
30 degrees above plane <0,1,0> , 0 but it looks is not...cant figure
that out...but it works 

Something about my aspect ratio is 2:1 and not 3:4 ?


Question.3
==========
How can i cut tiles say 64x128 from a bigger image 384x192 at render
time
or on a separate render from first generated image?

Many Thx
Bogdan


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