Colin Knowles wrote:
> Hi,
> I have a large hi res globe which I've built showing 250 odd kms of river 
> with 30cm resolution terrain and 20cm imagery - I've been asked to mod the 
> texture so that it shows an increase in the level of the river.
> For small areas I typically create a contour polygon at the new water 
> elevation and use that as a line which is baked onto the image in a 3rd party 
> software package , this is then used in photoshop as a reference line which I 
> can create a false texture fill inside. 
> This process works great for small areas , unfortunately for 80 gigs of 
> imagery I cannot manually go through each tile and photoshop a new texture 
> for the river edge in the time allowed. 
> I can create a georeferenced image of the new river on it's own at a higher 
> resolution than the base image and build the globe - but then I end up with a 
> hard edge between the base image and the new river texture - is it possible 
> to use the osg to feather the edge of the higher res image into the existing 
> image so that there is a smoothed edge??
> I can post up some images to give you an idea of what I'm getting at if this 
> helps.

  I don't believe you can do this with current VPB.

  It's something you could do in my Visual Nature Studio software (
http://3dnature.com/vnsinfo.html ), but even there, 80gigs is too large for VNS 
to process.

> Cheers,
> Colin
> www.k2vi.com

-- 
Chris 'Xenon' Hanson, omo sanza lettere                  Xenon AlphaPixel.com
PixelSense Landsat processing now available! http://www.alphapixel.com/demos/
"There is no Truth. There is only Perception. To Perceive is to Exist." - Xen
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