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General => Terragen Discussion => Topic started by: shadowphile on April 05, 2010, 12:01:00 AM

Title: ortho cam foreground clipping issue?
Post by: shadowphile on April 05, 2010, 12:01:00 AM
I'm getting the entire front plane of my terrain clipped while in ortho view.  It has nothing to do with the opengl bracket key settings.
I'm having a hard time reproducing how I got it there but it seems to recur.
Find an example picture and attached .tgd file.  It should come up in the mode I am describing.  It has something to do with ortho cameras but not a general problem because I seem to be able to use ortho with clipping as a simple exercise.
You can switch the camera to perspective and it's ok, back to ortho...not.
thanks
[attachthumb=#1]
Title: Re: ortho cam foreground clipping issue?
Post by: N810 on April 05, 2010, 03:50:50 PM
this usualy happens then your camera is inside some of the terrain.
Title: Re: ortho cam foreground clipping issue?
Post by: Oshyan on April 07, 2010, 01:44:59 AM
Ortho camera does change the relationship of the camera plane to the scene, so it may be creating a terrain clipping condition when there wasn't one with a normal camera.

- Oshyan
Title: Re: ortho cam foreground clipping issue?
Post by: shadowphile on April 07, 2010, 02:17:55 PM
please check the file I attached.  This feels more like a bug because it wasn't re-creatable on demand.   I was also getting improper clipping by the terrain of my lake object that was driving me nuts when my (ortho) camera was perfectly face down, but rendered correctly when I tilted the camera.
As for the ortho camera fore-ground clipping, it occurs at all elevations, all the way out to space shots.
thanks
Title: Re: ortho cam foreground clipping issue?
Post by: nikita on April 07, 2010, 05:07:58 PM
Zooming out into space doesn't change the problem: the position of the camera. Use the white navigation thing to increase height and walk backwards a few clicks until you got your original pov again.
Title: Re: ortho cam foreground clipping issue?
Post by: cyphyr on April 07, 2010, 05:28:34 PM
I have always found ortho cam very useful but difficult to manually set. There fore I always set it via its numeric inputs.
Richard