Rename region anchoring attributes again.
authorSilvia Pfeiffer
Thu, 08 Nov 2012 09:56:59 +1100
changeset 21 78f0620606af
parent 20 d5f0f87c0df6
child 22 0fd8ecfbdae7
Rename region anchoring attributes again.
Fix WebVTT link.
608toVTT/608toVTT.html
--- a/608toVTT/608toVTT.html	Sat Nov 03 19:58:40 2012 +1100
+++ b/608toVTT/608toVTT.html	Thu Nov 08 09:56:59 2012 +1100
@@ -87,7 +87,7 @@
 
         <p>This document specifies a method for converting CEA-608/708 data streams to [[WEBVTT]]. This document details how such a conversion can be made, and defines some constraints on the translation process so that the resulting [[WEBVTT]] file is interoperable between WebVTT implementations.</p>
 
-        <p>This document does not target user agent developers. User agents (UAs) are expected to implement the [[WebVTT]] specification. Any conversion tool that follows the suggestions in this document and delivers WebVTT files as converted by the suggestions in this document together with an appropriate HTML page and a style sheet as explained in <a href="#browsers" class="sectionRef"></a> can expect UAs to render their WebVTT file on their videos correctly.</p>
+        <p>This document does not target user agent developers. User agents (UAs) are expected to implement the [[WEBVTT]] specification. Any conversion tool that follows the suggestions in this document and delivers WebVTT files as converted by the suggestions in this document together with an appropriate HTML page and a style sheet as explained in <a href="#browsers" class="sectionRef"></a> can expect UAs to render their WebVTT file on their videos correctly.</p>
 
         <p>The aim of this document is to help developers of tools that convert between different caption formats to implement best practice for creating WebVTT files that support CEA-608 or CEA-708 features.</p>
     </section>
@@ -415,52 +415,52 @@
         </table>
 
         <p>
-          CEA-708 Caption Windows are positioned by specifying one of 9 different "Anchor points" covering a 9 field grid of the window. An Anchor Point is anchored to a specific location on the Caption Screen. Anchor points are mapped to the WebVTT "regionpoint" attribute of Regions as follows:
+          CEA-708 Caption Windows are positioned by specifying one of 9 different "Anchor points" covering a 9 field grid of the window. An Anchor Point is anchored to a specific location on the Caption Screen. Anchor points are mapped to the WebVTT "regionanchor" attribute of Regions as follows:
         </p>
 
         <table border="1">
           <thead>
             <tr>
               <td>CEA-708 Caption Window Anchor Point</td>
-              <td>WebVTT Region regionpoint attribute</td>
+              <td>WebVTT Region regionanchor attribute</td>
             </tr>
           </thead>
           <tbody>
             <tr>
               <td>0 (top-left corner)</td>
-              <td>regionpoint:0%,0%</td>
+              <td>regionanchor:0%,0%</td>
             </tr>
             <tr>
               <td>1 (top middle)</td>
-              <td>regionpoint:0%,50%</td>
+              <td>regionanchor:0%,50%</td>
             </tr>
             <tr>
               <td>2 (top-right corner)</td>
-              <td>regionpoint:0%,100%</td>
+              <td>regionanchor:0%,100%</td>
             </tr>
             <tr>
               <td>3 (left middle)</td>
-              <td>regionpoint:50%,0%</td>
+              <td>regionanchor:50%,0%</td>
             </tr>
             <tr>
               <td>4 (middle/center)</td>
-              <td>regionpoint:50%,50%</td>
+              <td>regionanchor:50%,50%</td>
             </tr>
             <tr>
               <td>5 (right middle)</td>
-              <td>regionpoint:50%,100%</td>
+              <td>regionanchor:50%,100%</td>
             </tr>
             <tr>
               <td>6 (bottom-left corner)</td>
-              <td>regionpoint:100%,0%</td>
+              <td>regionanchor:100%,0%</td>
             </tr>
             <tr>
               <td>7 (bottom middle)</td>
-              <td>regionpoint:100%,50%</td>
+              <td>regionanchor:100%,50%</td>
             </tr>
             <tr>
               <td>8 (bottom-right corner)</td>
-              <td>regionpoint:100%,100%</td>
+              <td>regionanchor:100%,100%</td>
             </tr>
           </tbody>
         </table>
@@ -474,8 +474,8 @@
         </p>
 
         <p>
-          The grid is used to position the Caption Windows through the "Anchor Location" property. It is given in WebVTT in the "screenanchor" Region attribute:<br>
-          screenanchor:x%,y%
+          The grid is used to position the Caption Windows through the "Anchor Location" property. It is given in WebVTT in the "viewportanchor" Region attribute:<br>
+          viewportanchor:x%,y%
         </p>
 
         <p>