Hello,

I am having a problem with a heightfield . I painted my heightfield
image in Photoshop with the airbrush tool and saved the file as a
grayscale Targa. It is intended to be a mountain range decending in
height from the left, which will be in the background in my scene.

The problem is when I render it with smoothing on, what appear to be
holes show up in the mountains. If I disable smoothing the holes
disappear. I've spent a fair amount of time trying to figure this out.
I've tried blurring my original image various amounts, using different
resolutions from 500 x 500 to 1200 x 1200 ppi and saving the image as a
png file. I've also moved the camera around and tried rotating the
height field object slightly on the suggestion of others but nothing has

helped.

I suspect the problem lies with the image file but I don't know what it
is. Maybe I'm doing something stupid. I've uploaded them in a zip file
if anyone cares to take a look. I also uploaded a couple of jpegs of the
problem to the binaries.images news group.

Thanks

http://www.2540dpi.f2s.com
e-mail: rha### [at] 2540dpif2scom

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Attachments:
Download 'range.zip' (63 KB)

RJay Hansen wrote:

> Hello,
>
> I am having a problem with a heightfield . I painted my heightfield
> image in Photoshop with the airbrush tool and saved the file as a
> grayscale Targa. It is intended to be a mountain range decending in
> height from the left, which will be in the background in my scene.
>
> The problem is when I render it with smoothing on, what appear to be
> holes show up in the mountains. If I disable smoothing the holes
> disappear.

I don't think those are holes - adding a sky sphere or for that matter a
background other than black doesn't show them (skysphere/background) though the
"holes"
It may be a product of the lighting and camera conditions

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