improve design of combined register marks

8.38 RegisterMark RegisterMark Defines a register mark which may be comprised of multiple register mark elements and , which can be used for setting up and monitoring color registration in a printing process. It can also be used to synchronize the sheet position in a paper path. Table 8.57: RegisterMark Element Center ? ... ... @Center SHALL be calculated as the center of the bounding rectangle of the RegisterMark. MarkName New in... NMTOKEN Name of the RegisterMark. This attribute MAY be used for specifying a predefined, company-specific combined register mark. See also StripMark/@MarkName. MarkType ? Deprecated in 1.7 / 2.1 ... ... Deprecation note: Use MarkElement/@MarkType Separations? Deprecated in 1.7 / 2.1 ... ... Deprecation note: Use MarkElement/@Separation Size ? New in... XYPair Size of the RegisterMark. MarkElement * New in ... element MarkElement describes an individual element of a combined RegisterMark. 8.38.1: MarkElement MarkElement describes an individual element of a combined RegisterMark. Note: Marks can be combined to form a composite mark, see Figure 8-1: Combined MarkType. Table 8.57++: MarkElement Element New in... Center XYPair Position of the center of the MarkElement in the coordinates of the parent RegisterMark. @Center SHALL be calculated as the center of the bounding rectangle of the MarkElement. MarkType NMTOKEN Geometry of MarkElement . Values include those from: RegisterMarkType. Rotation ? float / double Rotation of the in MarkElement degrees. Positive values SHALL indicate counter-clockwise rotation; negative values SHALL indicate clockwise rotation. Separation NMTOKEN Separation identifier to which the MarkElement is bound. Additional details of the colorant SHOULD be provided in ResourceSet [@Name=”Color”] . Size ? XYPair Size of the MarkElement. Table A.35: RegisterMarkType Enumeration Values Rectangle <picture of rectangle> Filled rectangle. Note: Lines are rectangles with a small Y value. ========== draft 2 ========== Table 8.57: RegisterMark Element MarkName ? New in XJDF 2.1 NMTOKEN NMTOKENS ... Size ? New in XJDF 2.1 ... Size of the outer bounding box of the unrotated RegisterMark. Table 8.58: MarkElement Element Separation ... Separation identifier to which the MarkElement is bound. Additional details of the colorant should SHOULD be provided in a ResourceSet [@Name="Color"] . Size ? New in XJDF 2.1 ... Size of the outer bounding box of the unrotated RegisterMark. Table A.35: RegisterMarkType Enumeration Values Rectangle ... A rectangle. Filled rectangle. Note: Lines are rectangles with a small Y value.