Found it: the boundary envelope used for rendering must be set to googles
crs.
Cheers,
Kai
2012/9/6 Kai Hackemesser <[email protected]>
> Hello,
>
> I am trying to create google map tiles with geotools 8.1 and I took a lot
> of examples from the web as base of my code. The tiles look nice in all
> zoom levels, but at the levels 5 to 1 they seem to be delocated and
> stretched. To explain it graphical look at these five screenshots:
>
> http://s14.postimage.org/ew7tgdejh/zoom5.jpg
>
> http://s14.postimage.org/ir6m578bh/zoom4.jpg
>
> http://s14.postimage.org/s96d58tzx/zoom3.jpg
>
> http://s14.postimage.org/ooahm0pgd/zoom2.jpg
>
> http://s14.postimage.org/dnfcgzx7h/zoom1.jpg
>
> (As a context, this is radar imagery overlay on top of google satellite
> maptype)
>
> The piece of code that calculates the tile boundaries seems to be right
> for all tiles, after all it is almost a 100% copy from the web. The map
> content is defined in lat/lng shapes in a DefaultGeographicCRS.WGS84
> context, and I'm using GTRenderer to populate a 256x256px image giving the
> calculated lat/lng boundaries as envelope, WGS84 again. What aspect did I
> miss here?
>
> Cheers,
> Kai
>
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