You can use this attribute with the following SVG elements:
-
userSpaceOnUse
This value specifies that the
markerWidth
and
markerHeight
attributes and the contents of the
<marker>
element represent values in the current user coordinate system in place for the graphic object referencing the marker (i.e., the user coordinate system for the element referencing the
<marker>
element via a
marker
,
marker-start
,
marker-mid
，或
marker-end
特性)。
-
strokeWidth
This value specifies that the
markerWidth
and
markerHeight
attributes and the contents of the
<marker>
element represent values in a coordinate system which has a single unit equal the size in user units of the current stroke width (see the
stroke-width
attribute) in place for the graphic object referencing the marker.
