[OASIS Issue Tracker] (OFFICE-4116) 19.162 draw:extrusion-rotation-center misses unit for Z component and meaning of 0.

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

     [ https://issues.oasis-open.org/browse/OFFICE-4116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Regina Henschel updated OFFICE-4116:
------------------------------------
    Proposal: 
Exchange the old text:
The {{draw:extrusion-rotation-center}} attribute specifies the position of a rotation center in shape-size fractions. If the {{draw:extrusion-rotation-center}} attribute is omitted, the geometric center of the shape is used as the rotation center.

with the new text:
The {{draw:extrusion-rotation-center}} attribute specifies the position of a rotation center. The attribute value has data type {{vector3D}}. X- and Y-component of the vector are in shape-size fractions, Z-component is in 10 micrometer units. The vector {{(0 0 0)}} addresses the geometric center of the shape.
The default value for this attribute is {{(0 0 0)}}.


  was:
Proposal: The Z-component of the vector is interpreted as absolute value in 1/100th mm. The geometric center of the shape is described by vector (0, 0, 0).

Reasoning: Taking the center of the shape as X=0 and Y=0 is already done in draw:extrusion-origin.
The unit 1/100th mm is already used for logwidth and logheight in draw:formula in the draw:enhanced-geometry.



I have reworded the proposal according to TC at 22. Nov. 2021.

> 19.162 draw:extrusion-rotation-center misses unit for Z component and meaning of 0.
> -----------------------------------------------------------------------------------
>
>                 Key: OFFICE-4116
>                 URL: https://issues.oasis-open.org/browse/OFFICE-4116
>             Project: OASIS Open Document Format for Office Applications (OpenDocument) TC
>          Issue Type: Bug
>            Reporter: Regina Henschel
>            Priority: Major
>
> The data type is vector3d.
> The description is, "The draw:extrusion-rotation-center attribute specifies the position of a rotation center in shape-size fractions. If the draw:extrusion-rotation-center attribute is omitted, the geometric center of the shape is used as the rotation center."
> Problem A: Shape size specifies only width (for X-component) and height (for Y-component). Width and height are meaningless for the Z-component. RichTextFormat and binary MS Office use Z-component as absolute value in EMU (36000EMU=1Millimeter). VML has the same problem in the description as ODF. Current AOO/LO implementations use 1/100 Millimeter.
> Problem B: The description "fraction" does not include, which position is considered as 0.



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