<listitem><para>Viking</para></listitem>
<listitem><para>GPX</para></listitem>
<listitem><para>KML</para></listitem>
+<listitem><para>JPG</para></listitem>
</itemizedlist>
</para>
<para>
-GPX and KML files will be loaded into the existing &appname; view. A <emphasis>Viking</emphasis> file will be given a new window if the current window is already assigned.
+GPX, KML and JPG files will be loaded into the existing &appname; view. A <emphasis>Viking</emphasis> file will be given a new window if the current window is already assigned.
</para>
<tip>
<para>
<para>
This mode can also be entered by the keyboard shortcut <keycap>Ctrl+Shift+P</keycap>
</para>
+<para>
+Double clicking the left mouse button will zoom the map in.
+<keycap>Shift</keycap> + double clicking the left mouse button will zoom the map out.
+Double clicking the right mouse button will also zoom the map out.
+</para>
</section>
<section><title>Zoom</title>
<para>
<keycap>Shift</keycap> (and hold) + left mouse button: Draws a bounding box area on which to zoom in. The zoom action is performed when the left mouse button is released.
</para>
+<para>
+<keycap>Shift</keycap> + left click button: Jump Zoom In by up to factor of 3 standard zooms.
+</para>
+<para>
+<keycap>Shift</keycap> + right click button: Jump Zoom Out by up to factor of 3 standard zooms.
+</para>
</section>
<section><title>Ruler</title>
</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>
+ <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>switch-xy (optional)</term>
+ <listitem><para>Swap the X,Y values around in the URL parametrized ordering.</para></listitem>
</varlistentry>
</variablelist>
</para>
<para>trkpt_selected_statusbar_format=KEATDN</para>
<para>This string is in the Message Format Code</para>
</listitem>
+ <listitem>
+ <para>viewport_history_size=20</para>
+ </listitem>
+ <listitem>
+ <para>viewport_history_diff_dist=500</para>
+ <para>In metres.</para>
+ <para>
+ Go Back or Go Forward requests over this range from the last history location will move back to that position.
+ If within this range it will skip over this location and move on to the next saved history location.
+ </para>
+ </listitem>
</orderedlist>
<section>