--- a/zpt/KML_schema_table.zpt	Wed Sep 29 21:09:44 2010 +0200
+++ b/zpt/KML_schema_table.zpt	Tue Oct 19 18:08:49 2010 +0200
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <kml xmlns="http://www.opengis.net/kml/2.2" xmlns:tal="http://xml.zope.org/namespaces/tal" 
-  tal:define="schema options/schema; table options/table; data python:here.getKmlData(schema=schema,table=table);">
+  tal:define="schema options/schema; table options/table; data python:here.getKmlData(schema=schema,table=table); 
+  withLine python:request.get('connect_line',None);">
   <Document>
     <Style id="marker_icon">
       <IconStyle>
@@ -10,6 +11,12 @@
         </Icon>
       </IconStyle>
     </Style>
+    <Style id="red_line">
+      <LineStyle>
+        <color>red</color>
+        <width>4</width>
+      </LineStyle>
+    </Style>
     <Placemark tal:repeat="place data">
       <description tal:content="place/description"><![CDATA[<b>ERD-0815: ERD-0815</a><br>
 Jingshi: Jingshi</a><br>
@@ -23,5 +30,16 @@
         <coordinates tal:content="string:${place/coord_x},${place/coord_y},${place/coord_z}">116.38,39.92,0</coordinates>
       </Point>
     </Placemark>
+    <Placemark tal:condition="withLine">
+      <name>Path</name>
+      <description>Red line visualizes path between locations</description>
+      <styleUrl>#red_line</styleUrl>
+      <LineString>
+        <extrude>1</extrude>
+        <tessellate>1</tessellate>
+        <altitudeMode>absolute</altitudeMode>
+        <coordinates tal:repeat="place data" tal:content="string:${place/coord_x},${place/coord_y},${place/coord_z}">116.38,39.92,0</coordinates>
+      </LineString>
+    </Placemark>
   </Document>
 </kml>