Merge remote-tracking branch 'upstream/pull/5707'

[rails.git] / lib / gpx.rb

diff --git a/lib/gpx.rb b/lib/gpx.rb
index 1bf7764ec5e3052f878c394f4ae75f9e1c9e879c..921dce12cf51c557c8f41f3530de61f87a8a33ca 100644 (file)
--- a/lib/gpx.rb
+++ b/lib/gpx.rb
@@ -27,10 +27,12 @@ module GPX
             point.timestamp = Time.parse(reader.read_string).utc
           end
         when XML::Reader::TYPE_END_ELEMENT
-          if reader.name == "trkpt" && point && point.valid?
+          if reader.name == "trkpt" && point&.valid?
             point.altitude ||= 0
             yield point
             @actual_points += 1
+            @lats << point.latitude
+            @lons << point.longitude
           elsif reader.name == "trkseg"
             @tracksegs += 1
           end
@@ -44,6 +46,8 @@ module GPX
       @possible_points = 0
       @actual_points = 0
       @tracksegs = 0
+      @lats = []
+      @lons = []
 
       begin
         Archive::Reader.open_filename(@file).each_entry_with_data do |entry, data|
@@ -94,9 +98,9 @@ module GPX
 
           first = true
 
-          points.each_with_index do |p, pt|
-            px = proj.x(p.longitude)
-            py = proj.y(p.latitude)
+          @actual_points.times do |pt|
+            px = proj.x @lons[pt]
+            py = proj.y @lats[pt]
 
             if (pt >= (points_per_frame * n)) && (pt <= (points_per_frame * (n + 1)))
               pen.thickness = 3
@@ -151,9 +155,9 @@ module GPX
 
         first = true
 
-        points do |p|
-          px = proj.x(p.longitude)
-          py = proj.y(p.latitude)
+        @actual_points.times do |pt|
+          px = proj.x @lons[pt]
+          py = proj.y @lats[pt]
 
           pen.line(px, py, oldpx, oldpy) unless first