X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/6c66507427961a22a8f282b5b2f4ab7fda1dad6f..4afacf34109cc2f4938b331fd83a5eeb8435b2a1:/app/controllers/swf_controller.rb

diff --git a/app/controllers/swf_controller.rb b/app/controllers/swf_controller.rb
index 9688af3ef..d989a5e90 100644
--- a/app/controllers/swf_controller.rb
+++ b/app/controllers/swf_controller.rb
@@ -1,5 +1,4 @@
 class SwfController < ApplicationController
-	session :off
 	before_filter :check_api_readable
 
 # to log:
@@ -24,6 +23,7 @@ class SwfController < ApplicationController
 		xmax=params['xmax'].to_f;
 		ymin=params['ymin'].to_f;
 		ymax=params['ymax'].to_f;
+		start=params['start'].to_i;
 	
 		# -	Begin movie
 	
@@ -43,25 +43,27 @@ class SwfController < ApplicationController
 	
 		b=''
 		lasttime=0
-		lastfile='-1'
+		lasttrack=lastfile='-1'
 	
 		if params['token']
 		  user=User.authenticate(:token => params[:token])
-		  sql="SELECT gps_points.latitude*0.0000001 AS lat,gps_points.longitude*0.0000001 AS lon,gpx_files.id AS fileid,EXTRACT(EPOCH FROM gps_points.timestamp) AS ts "+
+		  sql="SELECT gps_points.latitude*0.0000001 AS lat,gps_points.longitude*0.0000001 AS lon,gpx_files.id AS fileid,"+
+		       "      EXTRACT(EPOCH FROM gps_points.timestamp) AS ts, gps_points.trackid AS trackid "+
 			   " FROM gpx_files,gps_points "+
 			   "WHERE gpx_files.id=gpx_id "+
 			   "  AND gpx_files.user_id=#{user.id} "+
 			   "  AND "+OSM.sql_for_area(ymin,xmin,ymax,xmax,"gps_points.")+
 			   "  AND (gps_points.timestamp IS NOT NULL) "+
 			   "ORDER BY fileid DESC,ts "+
-			   "LIMIT 10000"
+			   "LIMIT 10000 OFFSET #{start}"
 		  else
-			sql="SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,gpx_id AS fileid,EXTRACT(EPOCH FROM timestamp) AS ts "+
+			sql="SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,gpx_id AS fileid,"+
+			     "      EXTRACT(EPOCH FROM timestamp) AS ts, gps_points.trackid AS trackid "+
 				 " FROM gps_points "+
 				 "WHERE "+OSM.sql_for_area(ymin,xmin,ymax,xmax,"gps_points.")+
 				 "  AND (gps_points.timestamp IS NOT NULL) "+
 				 "ORDER BY fileid DESC,ts "+
-				 "LIMIT 10000"
+				 "LIMIT 10000 OFFSET #{start}"
 		end
 		gpslist=ActiveRecord::Base.connection.select_all sql
 	
@@ -73,7 +75,7 @@ class SwfController < ApplicationController
 			ys=(lat2coord(row['lat'].to_f ,basey   ,masterscale)*20).floor
 			xl=[xs,xl].min; xr=[xs,xr].max
 			yb=[ys,yb].min; yt=[ys,yt].max
-			if (row['ts'].to_i-lasttime<180 and row['fileid']==lastfile and row['ts'].to_i!=lasttime)
+			if (row['ts'].to_i-lasttime<180 and row['fileid']==lastfile and row['trackid']==lasttrack and row['ts'].to_i!=lasttime)
 				b+=drawTo(absx,absy,xs,ys)
 			else
 				b+=startAndMove(xs,ys,'01')
@@ -81,6 +83,7 @@ class SwfController < ApplicationController
 			absx=xs.floor; absy=ys.floor
 			lasttime=row['ts'].to_i
 			lastfile=row['fileid']
+			lasttrack=row['trackid']
 			while b.length>80 do
 				r+=[b.slice!(0...80)].pack("B*")
 			end