X-Git-Url: https://git.rvb.name/pyrungps.git/blobdiff_plain/8031e085646c31a307fe8ec64bf8993991a302ce..1690b8b7c8ccfdf60be2b33b314e6c26bdef86e6:/generate_image.py

diff --git a/generate_image.py b/generate_image.py
index a4deaac..12169ca 100644
--- a/generate_image.py
+++ b/generate_image.py
@@ -1,9 +1,6 @@
 #!/usr/bin/env python
 
-try:
-    import mapnik2 as mapnik
-except:
-    import mapnik
+import mapnik
 
 import sys, os
 
@@ -30,7 +27,10 @@ if not hasattr(mapnik,'mapnik_version') and not mapnik.mapnik_version() >= 600:
 
 def render_map(mapfile,map_uri,gpx_file,imgx,imgy):
 
-    xml = etree.parse(gpx_file)
+    with open(gpx_file,'r') as f:
+      data = f.read()
+
+    xml = etree.fromstring(data)
     gpx = pygpx.GPX()
     gpx.ReadTree(xml)
 
@@ -64,16 +64,19 @@ def render_map(mapfile,map_uri,gpx_file,imgx,imgy):
     style = mapnik.Style()
     rule = mapnik.Rule()
 
-    point_symbolizer = mapnik.MarkersSymbolizer()
-    point_symbolizer.allow_overlap = True
-    point_symbolizer.opacity = 0.8 # semi-transparent
-    rule.symbols.append(point_symbolizer)
+    line_symbolizer = mapnik.LineSymbolizer()
+
+    line_symbolizer.stroke = mapnik.Color('rgb(0,0,127)')
+    line_symbolizer.stroke_width = 4.0
+    line_symbolizer.stroke_opacity = 0.5
+    
+    rule.symbols.append(line_symbolizer)
 
     style.rules.append(rule)
     m.append_style('GPS_tracking_points', style)
 
     layer = mapnik.Layer('GPS_tracking_points')
-    layer.datasource = mapnik.Ogr(file=gpx_file, layer='track_points')
+    layer.datasource = mapnik.Ogr(file=gpx_file, layer='tracks')
     layer.styles.append('GPS_tracking_points')
     m.layers.append(layer)
 
@@ -89,6 +92,7 @@ def render_all(db,mapfile,imgx,imgy):
     from os.path import dirname    
 
     conn = sqlite3.connect(db)
+    conn.text_factory = str
     cur = conn.cursor()
     updcur = conn.cursor()
 
@@ -132,7 +136,7 @@ def main():
     if options.mapfile:  
       mapfile = options.mapfile
     else:
-      mapfile = "/etc/mapnik-osm-carto-data/veloroad-transparent.xml"
+      mapfile = "/etc/mapnik-osm-carto-data/veloroad-imposm.xml"
 
     if options.outfile:  
       map_uri = options.outfile
@@ -142,11 +146,11 @@ def main():
     if options.x:  
       imgx = int(options.x)
     else:
-      imgx= 400
+      imgx= 640
     if options.y:  
       imgy = int(options.y)
     else:
-      imgy= 400
+      imgy= 640
 
     if options.db:
       render_all(options.db,mapfile,imgx,imgy)