Thanks Kevin for the information! Very helpful.
I got it to work with the viewparams settings. But for some reason it only
caches tiles from Zoom 0 to 8. Everything beyond zoom level 8 is not
cached. Do you have an idea by what that could be caused?
The gwc_layer xml file is the following:
LayerInfoImpl--410671f9_1454b70a3f4_-7ff8.xml
<GeoServerTileLayer>
<id>LayerInfoImpl--410671f9:1454b70a3f4:-7ff8</id>
<enabled>true</enabled>
<name>mapicture:dt_private</name>
<mimeFormats>
<string>image/png</string>
</mimeFormats>
<gridSubsets>
<gridSubset>
<gridSetName>EPSG:3857</gridSetName>
<extent>
<coords>
<double>1501560.1009329276</double>
<double>-9047938.585667683</double>
<double>5938789.2274691425</double>
<double>7152392.93240148</double>
</coords>
</extent>
<zoomStart>0</zoomStart>
<zoomStop>18</zoomStop>
</gridSubset>
</gridSubsets>
<metaWidthHeight>
<int>4</int>
<int>4</int>
</metaWidthHeight>
<expireCache>0</expireCache>
<expireClients>0</expireClients>
<parameterFilters>
<stringParameterFilter>
<key>VIEWPARAMS</key>
<defaultValue>ids:208</defaultValue>
<values>
<string>ids:208</string>
</values>
</stringParameterFilter>
<styleParameterFilter>
<key>STYLES</key>
<defaultValue></defaultValue>
<availableStyles class="sorted-set"/>
<defaultStyle>polygon</defaultStyle>
</styleParameterFilter>
<stringParameterFilter>
<key>ENV</key>
<defaultValue>v1:10;v2:20;v3:30</defaultValue>
<values>
<string>v1:10;v2:20;v3:30</string>
</values>
</stringParameterFilter>
</parameterFilters>
<gutter>0</gutter>
</GeoServerTileLayer>
*geowebcache.xml*
<?xml version="1.0" encoding="utf-8"?>
<gwcConfiguration xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="http://geowebcache.org/schema/1.6.0
http://geowebcache.org/schema/1.6.0/geowebcache.xsd"; xmlns="
http://geowebcache.org/schema/1.6.0";>
<version>1.6.0</version>
<backendTimeout>120</backendTimeout>
<gridSets>
<gridSet>
<name>EPSG:3857</name>
<srs>
<number>3857</number>
</srs>
<extent>
<coords>
<double>-2.003750834E7</double>
<double>-2.003750834E7</double>
<double>2.003750834E7</double>
<double>2.003750834E7</double>
</coords>
</extent>
<alignTopLeft>false</alignTopLeft>
<scaleDenominators>
<double>5.590822639508929E8</double>
<double>2.7954113197544646E8</double>
<double>1.3977056598772323E8</double>
<double>6.988528299386162E7</double>
<double>3.494264149693081E7</double>
<double>1.7471320748465404E7</double>
<double>8735660.374232702</double>
<double>4367830.187116351</double>
<double>2183915.0935581755</double>
<double>1091957.5467790877</double>
<double>545978.7733895439</double>
<double>272989.38669477194</double>
<double>136494.69334738597</double>
<double>68247.34667369298</double>
<double>34123.67333684649</double>
<double>17061.836668423246</double>
<double>8530.918334211623</double>
<double>4265.4591671058115</double>
<double>2132.7295835529058</double>
<double>1066.364791776453</double>
<double>533.1823958882266</double>
</scaleDenominators>
<metersPerUnit>1.0</metersPerUnit>
<pixelSize>2.8E-4</pixelSize>
<scaleNames>
<string>EPSG:3857:0</string>
<string>EPSG:3857:1</string>
<string>EPSG:3857:2</string>
<string>EPSG:3857:3</string>
<string>EPSG:3857:4</string>
<string>EPSG:3857:5</string>
<string>EPSG:3857:6</string>
<string>EPSG:3857:7</string>
<string>EPSG:3857:8</string>
<string>EPSG:3857:9</string>
<string>EPSG:3857:10</string>
<string>EPSG:3857:11</string>
<string>EPSG:3857:12</string>
<string>EPSG:3857:13</string>
<string>EPSG:3857:14</string>
<string>EPSG:3857:15</string>
<string>EPSG:3857:16</string>
<string>EPSG:3857:17</string>
<string>EPSG:3857:18</string>
<string>EPSG:3857:19</string>
<string>EPSG:3857:20</string>
</scaleNames>
<tileHeight>256</tileHeight>
<tileWidth>256</tileWidth>
<yCoordinateFirst>false</yCoordinateFirst>
</gridSet>
</gridSets>
<layers/>
</gwcConfiguration>
On Thu, Jun 26, 2014 at 11:34 PM, Kevin Smith <ksm...@boundlessgeo.com>
wrote:
> You need to use a Parameter Filter to let GWC know which values to allow
> for caching. Each combination of possible parameters (Gridset, Format,
> Style, etc) leads to another cache so this is something to be careful about.
>
> The GWC documentation on Parameter Filters is here:
> http://geowebcache.org/docs/1.5.1/configuration/layers/parameterfilters.html
>
> The Tile Caching tab for the layer in GeoServer includes an editor that
> lets you add and modify filters.
>
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