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[rails.git] / app / controllers / swf_controller.rb

diff --git a/app/controllers/swf_controller.rb b/app/controllers/swf_controller.rb
index 0e5b2e44247de6c16c857cd249621bc14a66d23f..54f8382eaf1f125d38e2c5ae7cf4278f56a42d0b 100644 (file)
--- a/app/controllers/swf_controller.rb
+++ b/app/controllers/swf_controller.rb
@@ -1,4 +1,6 @@
 class SwfController < ApplicationController
+       session :off
+       before_filter :check_read_availability
 
 # to log:
 # RAILS_DEFAULT_LOGGER.error("Args: #{args[0]}, #{args[1]}, #{args[2]}, #{args[3]}")
@@ -18,10 +20,10 @@ class SwfController < ApplicationController
                basey           =params['basey'].to_f
                masterscale     =params['masterscale'].to_f
        
-               xmin=params['xmin'].to_f/0.0000001
-               xmax=params['xmax'].to_f/0.0000001
-               ymin=params['ymin'].to_f/0.0000001
-               ymax=params['ymax'].to_f/0.0000001
+               xmin=params['xmin'].to_f;
+               xmax=params['xmax'].to_f;
+               ymin=params['ymin'].to_f;
+               ymax=params['ymax'].to_f;
        
                # -     Begin movie
        
@@ -37,34 +39,33 @@ class SwfController < ApplicationController
                xl=yb= 9999999
                xr=yt=-9999999
        
-               # -     Send SQL and draw line
+               # -     Send SQL for GPS tracks
        
                b=''
                lasttime=0
                lastfile='-1'
        
                if params['token']
-                       token=sqlescape(params['token'])
-                       sql="SELECT gps_points.latitude*0.0000001 AS lat,gps_points.longitude*0.0000001 AS lon,gpx_files.id AS fileid,UNIX_TIMESTAMP(gps_points.timestamp) AS ts "+
-                                " FROM gpx_files,gps_points,users "+
-                                "WHERE gpx_files.id=gpx_id "+
-                                "  AND gpx_files.user_id=users.id "+
-                                "  AND token='#{token}' "+
-                                "  AND (gps_points.longitude BETWEEN #{xmin} AND #{xmax}) "+
-                                "  AND (gps_points.latitude BETWEEN #{ymin} AND #{ymax}) "+
-                                "ORDER BY fileid DESC,ts "+
-                                "LIMIT 10000"
-               else
+                 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,UNIX_TIMESTAMP(gps_points.timestamp) AS ts "+
+                          " 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"
+                 else
                        sql="SELECT latitude*0.0000001 AS lat,longitude*0.0000001 AS lon,gpx_id AS fileid,UNIX_TIMESTAMP(timestamp) AS ts "+
                                 " FROM gps_points "+
-                                "WHERE (longitude BETWEEN #{xmin} AND #{xmax}) "+
-                                "  AND (latitude  BETWEEN #{ymin} AND #{ymax}) "+
+                                "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"
                end
                gpslist=ActiveRecord::Base.connection.select_all sql
        
-               # - Draw lines
+               # - Draw GPS trace lines
        
                r=startShape()
                gpslist.each do |row|
@@ -72,10 +73,10 @@ 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)
+                       if (row['ts'].to_i-lasttime<180 and row['fileid']==lastfile and row['ts'].to_i!=lasttime)
                                b+=drawTo(absx,absy,xs,ys)
                        else
-                               b+=startAndMove(xs,ys)
+                               b+=startAndMove(xs,ys,'01')
                        end
                        absx=xs.floor; absy=ys.floor
                        lasttime=row['ts'].to_i
@@ -84,6 +85,8 @@ class SwfController < ApplicationController
                                r+=[b.slice!(0...80)].pack("B*")
                        end
                end
+               
+               #   (Unwayed segments removed)
        
                # - Write shape
        
@@ -100,8 +103,7 @@ class SwfController < ApplicationController
                m=packRect(bounds_left,bounds_right,bounds_bottom,bounds_top) + 0.chr + 12.chr + packUI16(1) + m
                m='FWS' + 6.chr + packUI32(m.length+8) + m
        
-               response.headers["Content-Type"]="application/x-shockwave-flash"
-               render :text=>m
+               render :text => m, :content_type => "application/x-shockwave-flash"
        end
 
        private
@@ -114,9 +116,10 @@ class SwfController < ApplicationController
 
        def startShape
                s =0.chr                                                                                # No fill styles
-               s+=1.chr                                                                                # One line style
+               s+=2.chr                                                                                # Two line styles
                s+=packUI16(5) + 0.chr + 255.chr + 255.chr              # Width 5, RGB #00FFFF
-               s+=17.chr                                                                               # 1 fill, 1 line index bit
+               s+=packUI16(5) + 255.chr + 0.chr + 255.chr              # Width 5, RGB #FF00FF
+               s+=34.chr                                                                               # 2 fill, 2 line index bits
                s
        end
        
@@ -124,11 +127,11 @@ class SwfController < ApplicationController
                '000000'
        end
        
-       def startAndMove(x,y)
+       def startAndMove(x,y,col)
                d='001001'                                                                              # Line style change, moveTo
                l =[lengthSB(x),lengthSB(y)].max
                d+=sprintf("%05b%0#{l}b%0#{l}b",l,x,y)
-               d+='1'                                                                                  # Select line style 1
+               d+=col                                                                                  # Select line style
        end
        
        def drawTo(absx,absy,x,y)
@@ -184,11 +187,11 @@ class SwfController < ApplicationController
        # (this is duplicated from amf_controller, should probably share)
        
        def lat2coord(a,basey,masterscale)
-               -(lat2y(a)-basey)*masterscale+250
+               -(lat2y(a)-basey)*masterscale
        end
        
        def long2coord(a,baselong,masterscale)
-               (a-baselong)*masterscale+350
+               (a-baselong)*masterscale
        end
        
        def lat2y(a)