imagery: Cleanup proj handling with EPSG:27700 conversion

[chef.git] / cookbooks / imagery / templates / default / mapserver.map.erb

diff --git a/cookbooks/imagery/templates/default/mapserver.map.erb b/cookbooks/imagery/templates/default/mapserver.map.erb
index d44f3ec781d717260a0f174030a4c04222a8d945..c918ca9f1f6b2c99a52f50fb99ff1c9e71d5efa4 100644 (file)
--- a/cookbooks/imagery/templates/default/mapserver.map.erb
+++ b/cookbooks/imagery/templates/default/mapserver.map.erb
@@ -7,7 +7,7 @@ MAP
     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
@@ -19,7 +19,19 @@ MAP
     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 -%>
 
@@ -32,16 +44,19 @@ MAP
   <% end -%>
   IMAGETYPE <%= @extension %>
     PROJECTION
-    "init=<%= @projection.downcase %>"
+    <% if @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"
+    <% if @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 -%>
@@ -49,6 +64,6 @@ MAP
     STATUS       DEFAULT
     TYPE         RASTER
     PROCESSING   "RESAMPLE=AVERAGE"
-    PROCESSING   "CLOSE_CONNECTION=NORMAL"
+    PROCESSING   "CLOSE_CONNECTION=DEFER"
   END # layer
 END