profiles api v2

profiles/rasterbotinterp.lua

@@ -1,50 +1,10 @@
-api_version = 1
--- Rasterbot profile
+-- Rasterbot with interpolation profile
 
--- Set to true if you need to call the node_function for every node.
--- Generally can be left as false to avoid unnecessary Lua calls
--- (which slow down pre-processing).
-properties.call_tagless_node_function      = false
+functions = require('rasterbot')
 
--- Minimalist node_ and way_functions in order to test source_ and segment_functions
-
-function node_function (node, result)
-end
-
-function way_function (way, result)
-  local highway = way:get_value_by_key("highway")
-  local name = way:get_value_by_key("name")
-
-  if name then
-    result.name = name
-  end
-
-  result.forward_mode = mode.cycling
-  result.backward_mode = mode.cycling
-
-  result.forward_speed = 15
-  result.backward_speed = 15
-end
-
-function source_function ()
-  local path = os.getenv('OSRM_RASTER_SOURCE')
-  if not path then
-    path = "rastersource.asc"
-  end
-  raster_source = sources:load(
-    path,
-    0,    -- lon_min
-    0.1,  -- lon_max
-    0,    -- lat_min
-    0.1,  -- lat_max
-    5,    -- nrows
-    4     -- ncols
-  )
-end
-
-function segment_function (segment)
-  local sourceData = sources:interpolate(raster_source, segment.source.lon, segment.source.lat)
-  local targetData = sources:interpolate(raster_source, segment.target.lon, segment.target.lat)
+functions.process_segment = function(profile, segment)
+  local sourceData = raster:interpolate(profile.raster_source, segment.source.lon, segment.source.lat)
+  local targetData = raster:interpolate(profile.raster_source, segment.target.lon, segment.target.lat)
   io.write("evaluating segment: " .. sourceData.datum .. " " .. targetData.datum .. "\n")
   local invalid = sourceData.invalid_data()
   local scaled_weight = segment.weight
@@ -64,3 +24,5 @@ function segment_function (segment)
   segment.weight = scaled_weight
   segment.duration = scaled_duration
 end
+
+return functions