On Fri, Aug 31, 2012 at 6:15 PM, Papetti, Marco <[email protected]
> wrote:
> Hi,****
>
> ** **
>
> I got a doubt about geoserver reprojecting raster from EPSG:23032 to
> EPSG:900913 correctly.****
>
> Here is the output of part of the reprojection in gwc layer demo, using
> EPSG:900913 and png as output parameter: the source is just using 2 values,
> and I use a simple RasterSymbolizer to style it:****
>
> ** **
>
>
> https://www.evernote.com/shard/s22/sh/23b9838f-f54a-4bbb-a083-00225c269090/89af1f9eb92ddbbc8d6d9a0687311203
> ****
>
> ** **
>
> The second screenshot is from QuantumGIS, the same input, using 900913 as
> project SR and checking “enable reproject on the fly” flag.****
>
> ** **
>
>
> http://www.evernote.com/shard/s22/sh/e0f6a78f-f771-47f4-9e05-f338397ff9e3/35702c91f3a993b78377ebd1cbed53cf
> ****
>
> ** **
>
> It includes “oblique” pixel, which now seems normal to me, considering the
> reprojection, but that are not included in the geoserver generated view.**
> **
>
> Am I missing something in the layer/store configuration.
>
The output has large blocks of data, are you going beyond the native
resolution of the raster, so that a pixel
in the original image is inflated like 50 times?
GeoServer does not rescale the data before reprojecting it, it first
reproject and then scales up, which may account
for the difference.
Cheers
Andrea
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