[tracker] NFO: Added tilt and heading properties to nfo:Visual

[Ivan Frade <ifrade src gnome org>]

commit 73e2214d8b1a3e533f2c13cae4f6f09c4a172884
Author: Ivan Frade <ivan frade nokia com>
Date:   Thu Apr 15 16:54:16 2010 +0300

    NFO: Added tilt and heading properties to nfo:Visual
    
    Tilt and Heading properties for images and videos to store how the camera is oriented in the moment of the capture.

 data/ontologies/33-nfo.ontology |   14 ++++++++++++++
 1 files changed, 14 insertions(+), 0 deletions(-)
---
diff --git a/data/ontologies/33-nfo.ontology b/data/ontologies/33-nfo.ontology
index 986f973..3026ab8 100644
--- a/data/ontologies/33-nfo.ontology
+++ b/data/ontologies/33-nfo.ontology
@@ -339,6 +339,20 @@ nfo:aspectRatio a rdf:Property ;
 	rdfs:domain nfo:Visual ;
 	rdfs:range xsd:double .
 
+nfo:heading a rdf:Property ;
+        rdfs:label "Heading" ;
+        rdfs:comment "Specifies the direction of travelling while capturing image/video. The range of values from 0.00 to 359.99 (where 0 is due North, 90 is East, 180 South and 270 is West)";
+        nrl:maxCardinality 1;
+        rdfs:domain nfo:Visual ;
+        rdfs:range xsd:double .
+
+nfo:tilt a rdf:Property ;
+         rdfs:label "Tilt" ;
+         rdfs:comment "Vertical inclination of the camera while capturing the image, in angles starting on 0 as horizontal, positive numbers pointing up, negative angles pointing down" ;
+         nrl:maxCardinality 1 ;
+         rdfs:domain nfo:Visual ;
+         rdfs:range xsd:double .
+
 nfo:fileSize a rdf:Property ;
 	rdfs:label "fileSize" ;
 	rdfs:comment "The size of the file in bytes. For compressed files it means the size of the packed file, not of the contents. For folders it means the aggregated size of all contained files and folders" ;