[OpenLayers-Users] pdf export: why the request for tile dimensions of 625x458

[Toby R]

Hi Robert,
This may not be entirely helpful however I don't think that mapfish
supports printing from a tile cache. The way it works normally is that it
sends the request straight to the wms server which can obviously respond to
the size it requires.
The reason you are getting that tile size is because that's the size of the
window you are trying to print (I presume).
As a test, if you were to point your layer_topo straight to the wms does
printing work?

Toby


On 24 Nov 2011, at 06:53, Robert Buckley <robertdbuckley at yahoo.com> wrote:


Hi,
Problem: I can´t print any tiles coming from geowebcache!
gridset: 900913
System: Linux Ubuntu 10.04 / tomcat6 / Geoserver 2.1.2

*Javscript*
*
*
// map
var map = new OpenLayers.Map("map", {
        id: 'map',
        projection: new OpenLayers.Projection("EPSG:900913"),
        displayProjection: new OpenLayers.Projection("EPSG:4326"),
        units: "m",
        maxResolution: 156543.0339,
        maxExtent: new OpenLayers.Bounds(-20037508, -20037508, 20037508,
20037508.34),
        numZoomLevels: 17,
        controls: [new OpenLayers.Control.MouseDefaults(), new
OpenLayers.Control.PanZoomBar(), new OpenLayers.Control.MousePosition(),
new OpenLayers.Control.ScaleLine({
            geodesic: true
        })]
    });

// layer GWC
var layer_topo = new OpenLayers.Layer.WMS("Topographischekarte", "
http://maps.zgb.de/geoserver/gwc/service/wms/", {
        layers: 'zgb:tk50',
        projection: "EPSG:900913",
        format: 'image/png',
        transparent: true,
        singleTile: false
    }, {
        'buffer': 0,
        'opacity': 1,
        'isBaseLayer': true,
        visibility: true
    });

*Geoserver log*
*
*
2011-11-24 07:39:54,199 ERROR [geowebcache.GeoWebCacheDispatcher] - The
requested tile dimensions 625x458 do not match those of the grid set
(256x256) http://maps.zgb.de/geoserver/gwc/service/wms
2011-11-24 07:39:54,200 WARN [print.PDFUtils] - Server returned an error
for
http://maps.zgb.de/geoserver/gwc/service/wms?BBOX=1176787.0%2C6892762.5%2C1181754.1%2C6899536.0&HEIGHT=625&WIDTH=458&map_resolution=75&SERVICE=WMS&REQUEST=GetMap&STYLES=&TILESIZE=%7B%22w%22%3A256%2C%22h%22%3A256%7D&TRANSPARENT=true&VERSION=1.1.1&FORMAT=image%2Fpng&PROJECTION=EPSG%3A900913&format_options=dpi%3A75&LAYERS=zgb%3Atk50&SINGLETILE=false&SRS=EPSG%3A900913:Error
(status=400) while reading the image from
http://maps.zgb.de/geoserver/gwc/service/wms?BBOX=1176787.0%2C6892762.5%2C1181754.1%2C6899536.0&HEIGHT=625&WIDTH=458&map_resolution=75&SERVICE=WMS&REQUEST=GetMap&STYLES=&TILESIZE=%7B%22w%22%3A256%2C%22h%22%3A256%7D&TRANSPARENT=true&VERSION=1.1.1&FORMAT=image%2Fpng&PROJECTION=EPSG%3A900913&format_options=dpi%3A75&LAYERS=zgb%3Atk50&SINGLETILE=false&SRS=EPSG%3A900913:Bad
Request

*pdf error attatchment*
*
*
java.io.IOException: Error (status=400) while reading the image from
http://maps.zgb.de/geoserver/gwc/service/wms?BBOX=1091694.4%2C6741760.5%2C1250642.0%2C6958507.0

&HEIGHT=625&WIDTH=458
&map_resolution=75&SERVICE=WMS&REQUEST=GetMap
&STYLES=&TILESIZE=%7B%22w%22%3A256%2C%22h%22%3A256%7D&TRANSPARENT=true
&VERSION=1.1.1&FORMAT=image%2Fpng&PROJECTION=EPSG%3A900913&format_options=dp
i%3A75&LAYERS=zgb%3Atk50&SINGLETILE=false&SRS=EPSG%3A900913: Bad Request



Can anyone tell me why the mapfish print is requesting tile dimensions  of
625x458?



Yours with thanks,

Rob

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