just before you do replicate and weld,
for the sake of trying, use Projector class with option top on your plane.

Also, do you have use ownCanvas true somewhere?
there are issues at certain angles resulting in such lines.

Fabrice

On Mar 5, 2010, at 4:50 PM, Wex wrote:

> Perhaps it's just a setting I'm missing, but I'm getting some lines
> accross the edges of my polygons on meshes:
> http://www.creativenorth.co.uk/post-content/away008.png
> 
> The road is actually one piece that's been Replicated and Welded; but
> the same occurs if I just load the mesh and leave it alone:
> http://www.creativenorth.co.uk/post-content/away009.png
> 
> Another image with different bgcolor to show they are gaps; not
> texture flaws:
> http://www.creativenorth.co.uk/post-content/away010.png
> 
> The welding does weld the verts; so it's not a model issue either...
> any ideas?

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