X-Git-Url: https://git.street.me.uk/andy/viking.git/blobdiff_plain/14b57d170eaea615bf32989aab00a0a547a8539a..f2e8376ac7906ba36022fe16f395ac3a3e8c840c:/help/C/viking.xml

diff --git a/help/C/viking.xml b/help/C/viking.xml
index f3391efc..b918ea94 100644
--- a/help/C/viking.xml
+++ b/help/C/viking.xml
@@ -2839,47 +2839,62 @@ Accept: */*
             </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>