use signed slope to distinguish uphills and downhills

2017-03-29 13:43:47 +02:00
parent e39dc3c464
commit 8f8df969a2
3 changed files with 6 additions and 5 deletions
@@ -47,7 +47,7 @@ function segment_function (segment)
  local scaled_duration = segment.duration

  if sourceData.datum ~= invalid and targetData.datum ~= invalid then
-    local slope = math.abs(sourceData.datum - targetData.datum) / segment.distance
+    local slope = (targetData.datum - sourceData.datum) / segment.distance
    scaled_weight = scaled_weight / (1.0 - (slope * 5.0))
    scaled_duration = scaled_duration / (1.0 - (slope * 5.0))
    io.write("   slope: " .. slope .. "\n")