</para>
</listitem>
<listitem>
-<para>Preparing tracks, routes and waypoints for trips using maps from services such as OpenStreetMap (OSM) and/or Terrasever.
+<para>Preparing tracks, routes and waypoints for trips using maps from services such as OpenStreetMap (OSM).
The data is only needed to be uploaded to your GPS before you leave.
The maps together with your tracks, routes and waypoints can also be printed and used during the trip.
</para>
</listitem>
<listitem>
<para>
-Downloading and storing OpenStreetMap and/or Terraserver maps on your hard drive and looking at them later.
+Downloading and storing OpenStreetMap and/or other map types on your hard drive and looking at them later.
</para>
</listitem>
<listitem>
<term>url</term>
<listitem><para>the parametrized address of the tile, in the spirit of C printf format, with 3 "%d" fields for Z, X and Y (in that order) (eg. "/%d/%d/%d.png")</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term>zoom-min (optional)</term>
+ <listitem><para>The minimum zoom value supported by the tile server. The Default is 0 if not specified.</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>zoom-max (optional)</term>
+ <listitem>
+ <para>The maximum zoom value supported by the tile server. The Default is 18 if not specified.</para>
+ <para>See <ulink url="http://wiki.openstreetmap.org/wiki/Zoom_levels">Zoom Levels</ulink></para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>file-extension (optional)</term>
+ <listitem>
+ <para>The file extension of the files on disk. The default is <emphasis>.png</emphasis></para>
+ <para>If the tile source URL ends in something other than .png, then this parameter will need to match it.</para>
+ <para>This can also be useful in reading a tileset from other software which may name tiles in an alternative form,
+ e.g. for Mobile Atlas creator it names them <emphasis>.png.tile</emphasis></para>
+ <note><para>The file types actually usable are those supported by GDK Pixbuf Library, which includes at least PNG and JPEG.</para></note>
+ <note><para>Remember to include the beginning <emphasis>'.'</emphasis> when specifying this parameter.</para></note>
+ </listitem>
+ </varlistentry>
<varlistentry>
<term>switch-xy (optional)</term>
- <listitem><para>Swap the X,Y values around in the URL parametrized ordering.</para></listitem>
+ <listitem>
+ <para>Swap the X,Y values around in the URL parametrized ordering.</para>
+ <para>The default is false.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>check-file-server-time (optional)</term>
+ <listitem>
+ <para>Sends the timestamp of the tile to the server, so the server can decide whether it should send a new tile or not.</para>
+ <para>The default is false.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>use-etag (optional)</term>
+ <listitem>
+ <para>Use and compare the <ulink url="http://en.wikipedia.org/wiki/HTTP_ETag">ETag</ulink> value in determining whether to download a newer tile. The default is false.</para>
+ <para>The ETag value is stored in a separate file in the same directory as the tile to enable checking the value across multiple runs of the program.</para>
+ </listitem>
</varlistentry>
</variablelist>
</para>
- <para>The <classname>VikTmsMapSource</classname> allows to declare any TMS service. It supports the following properties:
+ <para>The <classname>VikTmsMapSource</classname> allows to declare any TMS service. It supports the following properties (as per VikSlippyMapSource above):
<variablelist>
<varlistentry>
<term>id</term>
- <listitem><para>this is an integer and should be unique as it used to identify the map source</para></listitem>
</varlistentry>
<varlistentry>
<term>label</term>
- <listitem><para>the text displayed in the map's source selection dialog</para></listitem>
</varlistentry>
<varlistentry>
<term>hostname</term>
- <listitem><para>the server's hostname (eg. "tile.openstreetmap.org")</para></listitem>
</varlistentry>
<varlistentry>
<term>url</term>
- <listitem><para>the parametrized address of the tile, in the spirit of C printf format, with 3 "%d" fields for X, Y and Z (zoom level) (eg. "/%d/%d/%d.png")</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>check-file-server-time (optional)</term>
</varlistentry>
</variablelist>
</para>
- <para>The <classname>VikWmscMapSource</classname> allows to declare any WMS or WMS-C service. It supports the following properties:
+ <para>The <classname>VikWmscMapSource</classname> allows to declare any WMS or WMS-C service. It supports the following properties (as per VikSlippyMapSource above):
<variablelist>
<varlistentry>
<term>id</term>
- <listitem><para>this is an integer and should be unique as it used to identify the map source</para></listitem>
</varlistentry>
<varlistentry>
<term>label</term>
- <listitem><para>the text displayed in the map's source selection dialog</para></listitem>
</varlistentry>
<varlistentry>
<term>hostname</term>
- <listitem><para>the server's hostname (eg. "tile.openstreetmap.org")</para></listitem>
</varlistentry>
<varlistentry>
<term>url</term>
- <listitem><para>the parametrized address of the tile, in the spirit of C printf format, with 4 "%s" fields for bounding box coordinates (eg. "/coord=%s,%s,%s,%s")</para></listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>check-file-server-time (optional)</term>
</varlistentry>
</variablelist>
</para>
projects / andy / viking.git / blobdiff