change(/wiki/signed-distance-fields): description and tag

Author: Longor1996

content/wiki/signed-distance-fields/index.md

@@ -1,11 +1,14 @@
 +++
 title = "Signed Distance Fields"
-description = "A N-dimensional field where at every point the distance to the closest surface is known."
+description = "An N-dimensional field/function where at every point the distance to the closest surface is known."
 aliases = ["/wiki/sdf"]
 [taxonomies]
 categories = ["rendering"]
+tags = ["raytracing"]
 +++
 
+> An N-dimensional field/function where at every point the distance to the closest surface is known.
+
 {{ stub_notice() }}
 
 ## References