<!-- without maximum-extent this will drop features if a buffer_size is used of >= 128 which can be simulated with: a tile request like: /2/0/1.png or using nik2img: nik2img.py tests/data/good_maps/bounds_clipping.xml t.png -e -20037508.34 -5009377.085697313 -5009377.08569731 15028131.25709193 -d 256 256 no buffer can be simulated with: nik2img.py tests/data/good_maps/bounds_clipping.xml t.png -d 256 256 -e -20037508.342789244 0 -10018754.171394622 10018754.17139462 +proj=krovak +lat_0=49.5 +lon_0=24.83333333333333 +alpha=30.28813975277778 +k=0.9999 +x_0=0 +y_0=0 +ellps=bessel +units=m +towgs84=498.17,136.89,510.08,6.007,4.343,3.831,3.38 +no_defs --><Map srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +wktext +no_defs +over" minimum-version="0.7.2" buffer-size="128" maximum-extent="-20037508.34,-20037508.34,20037508.34,20037508.34"> <Style name="style"> <Rule> <PolygonSymbolizer fill="darkred"/> </Rule> </Style> <!-- layer in standard mercator: being protected into spherical mercator makes it prone to feature loss when using map buffer --> <Layer name="countries" srs="+proj=merc +lon_0=0 +k=1 +x_0=0 +y_0=0 +ellps=WGS84 +datum=WGS84 +units=m +no_defs"> <StyleName>style</StyleName> <Datasource> <Parameter name="type">shape</Parameter> <Parameter name="file">../shp/world_merc2.shp</Parameter> </Datasource> </Layer> </Map>