[OpenLayers-Users] Tile boundary rendering
Christopher Schmidt
crschmidt at metacarta.com
Mon Nov 27 17:32:57 EST 2006
On Mon, Nov 27, 2006 at 02:02:12PM -0800, Ben Brehmer wrote:
> Hello Everyone,
>
> I am running mapserver and TileCache for server-side tile caching.
>
> I have attached some snapshots of something that is quite common on my
> map. Some of the roads (mostly diagonal ones) have chunks missing
> wherever they encounter a tile edge.
>
> After some investigating I figured out the cause of this problem:
> The roads on my map are drawn with a circle symbol. If a road intersects
> a tile edge at 90 degrees the rounded end is chopped off cleanly. But if
> the road intersects a tile edge at an angle, part of the rounded end is
> shown and causes a very undesirable effect.
Sounds like
http://crschmidt.net/blog/archives/154/mapserver-rendering-bug/ //
http://crschmidt.net/mapping/mapserverbug.png ?
> So I guess my question is, is there a buffer (or similair) in TileCache
> that can be set to specify the amount that is rendered past the edge of
> a tile?
Not yet. Keep an eye out for this support in the next version of
TileCache.
Regards,
--
Christopher Schmidt
MetaCarta
More information about the Users
mailing list