From 9e62546774ad95d52df43d074a0c71f4d1e28cad Mon Sep 17 00:00:00 2001
From: Komzpa <me@komzpa.net>
Date: Thu, 29 Sep 2011 10:35:00 +0200
Subject: [PATCH] lowzoom optimizations

---
 src/komap.py       | 8 +++++---
 src/libkomapnik.py | 6 +++---
 2 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/src/komap.py b/src/komap.py
index c05aa6c..4ff713f 100644
--- a/src/komap.py
+++ b/src/komap.py
@@ -305,7 +305,8 @@ if options.renderer == "mapnik":
                   opacity=relaxedFloat(entry["style"].get("casing-opacity", entry["style"].get("opacity","1"))),
                   linecap=entry["style"].get("casing-linecap", entry["style"].get("linecap","butt")),
                   linejoin=entry["style"].get("casing-linejoin", entry["style"].get("linejoin", "round")),
-                  dashes=entry["style"].get("casing-dashes",entry["style"].get("dashes", "")))
+                  dashes=entry["style"].get("casing-dashes",entry["style"].get("dashes", "")),
+                  zoom=zoom)
 
                 sql.add(entry["sql"])
                 itags.update(entry["chooser"].get_interesting_tags(entry["type"], zoom))
@@ -375,7 +376,8 @@ if options.renderer == "mapnik":
                     opacity=relaxedFloat(entry["style"].get("opacity", "1")),
                     linecap=entry["style"].get("linecap", "round"),
                     linejoin=entry["style"].get("linejoin", "round"),
-                    dashes=entry["style"].get("dashes", ""))
+                    dashes=entry["style"].get("dashes", ""),
+                    zoom=zoom)
                   if entry["style"].get("dashes", ""):
                     there_are_dashed_lines = True
                     #print "dashes!!!"
@@ -614,7 +616,7 @@ if options.renderer == "mapnik":
                   order = "order by"
                 else:
                   order += ", "
-                if zoom >= 10:
+                if zoom >= 11 or zoom < 5:
                   sqlz = """select %s, ST_PointOnSurface(ST_Buffer(way,0)) as way
                         from planet_osm_%s
                         where (%s) and (%s) and (way_area > %s) and way &amp;&amp; ST_Expand(!bbox!,3000) %s way_area desc
diff --git a/src/libkomapnik.py b/src/libkomapnik.py
index 3106492..73f5a8e 100644
--- a/src/libkomapnik.py
+++ b/src/libkomapnik.py
@@ -83,7 +83,7 @@ def xml_pointsymbolizer(path="", width="", height="", opacity=1, overlap="false"
           path, width, height, opacity, overlap)
 
 
-def xml_linesymbolizer(color="#000000", width="1", opacity="1", linecap="butt", linejoin="round", dashes=""):
+def xml_linesymbolizer(color="#000000", width="1", opacity="1", linecap="butt", linejoin="round", dashes="", zoom=200):
   color = nicecolor(color)
   linecap  = {"none":"butt",}.get(linecap.lower(),  linecap)
 
@@ -92,8 +92,8 @@ def xml_linesymbolizer(color="#000000", width="1", opacity="1", linecap="butt",
   else:
     dashes = ""
   rasterizer = ""
-  #if float(width) < 4 and not dashes:
-  #  rasterizer = ' rasterizer="fast"'
+  if float(width) < 4 and not dashes and zoom < 6:
+    rasterizer = ' rasterizer="fast"'
 
   return """
   <LineSymbolizer %s>