# DO NOT EDIT - This file is being maintained by Chef
MAP
+<% if @extension == "os_sv_png" -%>
+ OUTPUTFORMAT
+ NAME "os_sv_png"
+ DRIVER AGG/PNG
+ MIMETYPE "image/png"
+ IMAGEMODE RGB
+ EXTENSION "png"
+ FORMATOPTION "COMPRESSION=9"
+ FORMATOPTION "PALETTE_FORCE=on"
+ FORMATOPTION "PALETTE=/srv/imagery/common/ossv-palette.txt"
+ END
+<% end -%>
+<% if @extension == "os_sv_diff_png" -%>
+ OUTPUTFORMAT
+ NAME "os_sv_diff_png"
+ DRIVER AGG/PNG
+ MIMETYPE "image/png"
+ IMAGEMODE RGBA
+ EXTENSION "png"
+ FORMATOPTION "COMPRESSION=9"
+ END
+<% end -%>
+
NAME "map-<%= @layer %>"
STATUS ON
SIZE 256 256
UNITS METERS
+ <% if @background_colour -%>
+ IMAGECOLOR <%= @background_colour %>
+ <% 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
NAME "<%= @layer %>"
DATA "<%= @source %>"
PROJECTION
+ <% 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
STATUS DEFAULT
TYPE RASTER
- PROCESSING "RESAMPLE=AVERAGE"
- PROCESSING "CLOSE_CONNECTION=DEFER"
+ PROCESSING "RESAMPLE=AVERAGE"
+ PROCESSING "CLOSE_CONNECTION=DEFER"
END # layer
END