Installation

There needs to be a running kismet_server process with activated GPS support before starting mapnik.

Parameters

parameter	value	description	default
host	string	host where the kismet daemon is running
port	integer	port of the kismet daemon
extent	string	max extent of the kismet returned wlans
encoding	string	internal file encoding	utf-8

Example

See next an example XML file to render WLAN icons on the map.

    <?xml version="1.0" encoding="utf-8"?>
    <!DOCTYPE Map>
    <Map bgcolor="#b5d0d0" srs="+proj=merc +a=6378137 +b=6378137 +lat_ts=0.0 +lon_0=0.0 +x_0=0.0 +y_0=0 +k=1.0 +units=m +nadgrids=@null +no_defs +over">
    
      <Style name="kismet">
        <Rule>
          <MaxScaleDenominator>2000000</MaxScaleDenominator>
          <MinScaleDenominator>100</MinScaleDenominator>
          <Filter>[internet_access]='wlan_crypted'</Filter>
          <PointSymbolizer file = "/home/andreas/src/osm/mapnik/symbols/wlan_crypted.png" type="png" width="32" height="32" />
          <TextSymbolizer name="name" face_name="DejaVu Sans Bold" size="8" fill="#636" dy="-10" halo_radius="1" wrap_width="0"/>
        </Rule>
    
        <Rule>
          <MaxScaleDenominator>2000000</MaxScaleDenominator>
          <MinScaleDenominator>100</MinScaleDenominator>
          <Filter>[internet_access]='wlan_uncrypted'</Filter>
          <PointSymbolizer file = "/home/andreas/src/osm/mapnik/symbols/wlan_uncrypted.png" type="png" width="32" height="32" />
          <TextSymbolizer name="name" face_name="DejaVu Sans Bold" size="8" fill="#636" dy="-10" halo_radius="1" wrap_width="0"/>
        </Rule>
    
        <Rule>
          <MaxScaleDenominator>2000000</MaxScaleDenominator>
          <MinScaleDenominator>100</MinScaleDenominator>
          <Filter>[internet_access]='wlan_wep'</Filter>
          <PointSymbolizer file = "/home/andreas/src/osm/mapnik/symbols/wlan_wep.png" type="png" width="32" height="32" />
          <TextSymbolizer name="name" face_name="DejaVu Sans Bold" size="8" fill="#636" dy="-10" halo_radius="1" wrap_width="0"/>
        </Rule>
      </Style>
    
    <!-- Layer -->
    
      <Layer name="kismet" status="on" srs="+proj=latlong +datum=WGS84">
        <StyleName>kismet</StyleName>
        <Datasource>
          <Parameter name="type">kismet</Parameter>
          <Parameter name="host">localhost</Parameter>
          <Parameter name="port">2501</Parameter>
          <Parameter name="estimate_extent">false</Parameter>
          <Parameter name="extent">-179,-85,179,85</Parameter>
        </Datasource>
      </Layer>
    </Map>

Resources

This icon suits perfect for WLAN. I just changed the color and exported it to PNG.

Here is a video: http://www.youtube.com/watch?v=On9O8d7AOZA