basey =params['basey'].to_f
masterscale =params['masterscale'].to_f
- xmin=params['xmin'].to_f/0.000001
- xmax=params['xmax'].to_f/0.000001
- ymin=params['ymin'].to_f/0.000001
- ymax=params['ymax'].to_f/0.000001
+ xmin=params['xmin'].to_f; xminr=xmin/0.000001
+ xmax=params['xmax'].to_f; xmaxr=xmax/0.000001
+ ymin=params['ymin'].to_f; yminr=ymin/0.000001
+ ymax=params['ymax'].to_f; ymaxr=ymax/0.000001
# - Begin movie
xl=yb= 9999999
xr=yt=-9999999
- # - Send SQL and draw line
+ # - Send SQL for GPS tracks
b=''
lasttime=0
"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}) "+
+ " AND (gps_points.longitude BETWEEN #{xminr} AND #{xmaxr}) "+
+ " AND (gps_points.latitude BETWEEN #{yminr} AND #{ymaxr}) "+
" AND (gps_points.timestamp IS NOT NULL) "+
"ORDER BY fileid DESC,ts "+
"LIMIT 10000"
else
sql="SELECT latitude*0.000001 AS lat,longitude*0.000001 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 (longitude BETWEEN #{xminr} AND #{xmaxr}) "+
+ " AND (latitude BETWEEN #{yminr} AND #{ymaxr}) "+
" 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|
if (row['ts'].to_i-lasttime<180 and row['fileid']==lastfile)
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
r+=[b.slice!(0...80)].pack("B*")
end
end
+
+ # - Draw unwayed segments
+
+ if params['unwayed']=='true'
+ sql="SELECT cn1.latitude AS lat1,cn1.longitude AS lon1,"+
+ " cn2.latitude AS lat2,cn2.longitude AS lon2 "+
+ " FROM current_segments "+
+ " LEFT OUTER JOIN current_way_segments"+
+ " ON segment_id=current_segments.id,"+
+ " current_nodes AS cn1,current_nodes AS cn2"+
+ " WHERE (cn1.longitude BETWEEN #{xmin} AND #{xmax})"+
+ " AND (cn1.latitude BETWEEN #{ymin} AND #{ymax})"+
+ " AND segment_id IS NULL"+
+ " AND current_segments.visible=1"+
+ " AND cn1.id=node_a AND cn1.visible=1"+
+ " AND cn2.id=node_b AND cn2.visible=1"
+ seglist=ActiveRecord::Base.connection.select_all sql
+
+ seglist.each do |row|
+ xs1=(long2coord(row['lon1'].to_f,baselong,masterscale)*20).floor; ys1=(lat2coord(row['lat1'].to_f,basey,masterscale)*20).floor
+ xs2=(long2coord(row['lon2'].to_f,baselong,masterscale)*20).floor; ys2=(lat2coord(row['lat2'].to_f,basey,masterscale)*20).floor
+ if (xs1==absx and ys1==absy)
+ b+=drawTo(absx,absy,xs2,ys2)
+ absx=xs2; absy=ys2
+ elsif (xs2==absx and ys2==absy)
+ b+=drawTo(absx,absy,xs1,ys1)
+ absx=xs1; absy=ys1
+ else
+ b+=startAndMove(xs1,ys1,'10')
+ b+=drawTo(xs1,ys1,xs2,ys2)
+ absx=xs2; absy=ys2
+ end
+ while b.length>80 do
+ r+=[b.slice!(0...80)].pack("B*")
+ end
+ end
+ end
# - Write shape
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
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
'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)
projects / rails.git / blobdiff