I wouldn't say "by design", but pretty much only grid sets and image formats are merged.
This goes back to version 0.7-something and is fine for quick experimentation, but I recommend that people define the entire configuration in a static geowebcache.xml document for production. -Arne On 12/13/10 1:18 PM, Roger Bedell wrote: > Good afternoon Arne, > > About a year ago, to eliminate the problem of white lines around the > metatiles in GWC when using WMS Bilinear or "Bibubic" (someone needs > to fix that spelling eh?) interpolation you gave me this advice, which > works admirably: > > >>"In the latest GWC a "gutter" function was introduced, a buffer > around each image that gets sliced away. That would probably fix this, > as long as you don't have labels that get cut off."<< > > However, I really want to be able to modify existing layers in my > Geowebcache.xml, rather than having to create new names for the ones > in geowebcache.xml. Unfortunately, the merging of attributes specified > in geowebcache.xml with the ones automatically generated doesn't seem > to work. In particular, the "gutter" setting doesn't merge. > > To reproduce: Using the standard "latest nightly" WAR from last night, > and the standard data, I've done the following. Please give it a try, > it will only take a couple minutes, perhaps you will see the problem > right away. > > 1) Set up a clean Geoserver using the standard data. (I'm using > Tomcat, but it shouldn't matter) > 2) Add the geowebcache.xml below to the <tomcat_dir>/temp/geowebcache > (note, the default geowebcache location doesn't seem to be in the data > directory anymore...) > 3) Start Geoserver and set the WMS default interpolation to Bilinear > or "Bibubic". > 4) Go to the GWC automatically generated demos. Click on the PNG 4326 > examples for both the nurc:mosaic and the nurc:mosaic_1 layers. > > nurc:mosaic will have the ugly white lines, and nurc:mosaic_1 will be > perfect. > > My question is whether the "gutter" setting in the Geowebcache.xml > should override the automatically generated one for nurc:mosaic? One > would think so, but perhaps this is by design? > > Best regards, > Roger Bedell > Coordinate Solutions Inc. > > The test geowebcache.xml file: > > <gwcConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" > > xsi:noNamespaceSchemaLocation="http://geowebcache.org/schema/1.2.2/geowebcache.xsd" > xmlns="http://geowebcache.org/schema/1.2.2"> > <version>1.2.2</version> > <backendTimeout>120</backendTimeout> > <cacheBypassAllowed>true</cacheBypassAllowed> > <layers> > > <!-- GWC definition for the standard nurc:mosaic, just for PNG and > just for 4326 --> > <wmsLayer> > <name>nurc:mosaic</name> > <mimeFormats> > <string>image/png</string> > </mimeFormats> > <grids> > <entry> > <srs> > <number>4326</number> > </srs> > <grid> > <srs> > <number>4326</number> > </srs> > <dataBounds> > <coords> > <double>6.346</double> > <double>36.492</double> > <double>20.83</double> > <double>46.591</double> > </coords> > </dataBounds> > <gridBounds> > <coords> > <double>-103.87</double> > <double>44.37</double> > <double>-103.62</double> > <double>44.50</double> > </coords> > </gridBounds> > <zoomStart>0</zoomStart> > <zoomStop>20</zoomStop> > </grid> > </entry> > </grids> > <wmsUrl> > <string>http://localhost:8080/geoserver/wms</string> > </wmsUrl> > <wmsLayers>nurc:mosaic</wmsLayers> > <!--This doesn't seem to merge with the automatically generated > nurc:mosaic value!--> > <gutter>20</gutter> > </wmsLayer> > > <!-- This layer is identical to the nurc:mosaic, but just with a > different GWC name. --> > <wmsLayer> > <name>nurc:mosaic_1</name> > <mimeFormats> > <string>image/png</string> > </mimeFormats> > <grids> > <entry> > <srs> > <number>4326</number> > </srs> > <grid> > <srs> > <number>4326</number> > </srs> > <dataBounds> > <coords> > <double>6.346</double> > <double>36.492</double> > <double>20.83</double> > <double>46.591</double> > </coords> > </dataBounds> > <gridBounds> > <coords> > <double>-103.87</double> > <double>44.37</double> > <double>-103.62</double> > <double>44.50</double> > </coords> > </gridBounds> > <zoomStart>0</zoomStart> > <zoomStop>20</zoomStop> > </grid> > </entry> > </grids> > <wmsUrl> > <string>http://localhost:8080/geoserver/wms</string> > </wmsUrl> > <wmsLayers>nurc:mosaic</wmsLayers> > <!--This works here...--> > <gutter>20</gutter> > </wmsLayer> > </layers> > </gwcConfiguration> > ------------------------------------------------------------------------------ Oracle to DB2 Conversion Guide: Learn learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more. http://p.sf.net/sfu/oracle-sfdev2dev _______________________________________________ Geoserver-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geoserver-users
