MIMETYPE "image/png"
IMAGEMODE RGB
EXTENSION "png"
- FORMATOPTION "COMPRESSION=9"
+ FORMATOPTION "COMPRESSION=6"
FORMATOPTION "PALETTE_FORCE=on"
FORMATOPTION "PALETTE=/srv/imagery/common/ossv-palette.txt"
END
MIMETYPE "image/png"
IMAGEMODE RGBA
EXTENSION "png"
- FORMATOPTION "COMPRESSION=9"
+ FORMATOPTION "COMPRESSION=6"
+ END
+<% end -%>
+<% if @extension == "os_om_local_png" -%>
+ OUTPUTFORMAT
+ NAME "os_om_local_png"
+ DRIVER AGG/PNG
+ MIMETYPE "image/png"
+ IMAGEMODE RGB
+ EXTENSION "png"
+ FORMATOPTION "COMPRESSION=6"
+ FORMATOPTION "PALETTE_FORCE=on"
+ FORMATOPTION "PALETTE=/srv/imagery/common/os-openmap-local-palette.txt"
END
<% end -%>
<% end -%>
IMAGETYPE <%= @extension %>
PROJECTION
- "init=<%= @projection.downcase %>"
+ <% if @projection == "EPSG:27700" -%>
+ <%# Override EPSG:27700 to use accurate nadgrid %>
+ "+proj=tmerc +lat_0=49 +lon_0=-2 +k=0.9996012717 +x_0=400000 +y_0=-100000 +ellps=airy +datum=OSGB36 +units=m +no_defs +nadgrids=/srv/imagery/common/ostn02-ntv2-data/OSTN02_NTv2.gsb"
+ <% elsif @projection == "namibia_aerial" -%>
+ "+proj=tmerc +lat_0=0 +lon_0=17 +k=1 +x_0=600000 +y_0=10000000 +ellps=WGS84 +units=m +no_defs"
+ <% else -%>
+ "init=<%= @projection.downcase %>"
+ <% end -%>
END
LAYER