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Default Icon; more or less according to decision. #3624

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8 changes: 8 additions & 0 deletions chapters/annotations.tex
Original file line number Diff line number Diff line change
Expand Up @@ -888,6 +888,14 @@ \subsection{Component Instance}\label{component-instance}
Sub-connectors in a hierarchical connector are only shown when they can be connected to.
Non-connector components are only shown in the diagram layer.

\subsubsection{Default Outline for Missing Graphics}\label{default-outline-for-missing-graphics}
If the icon of a component placed in a diagram layer does not contain any graphical primitives (including inherited ones, and regardless of \lstinline!visible!-attributes; but excluding connectors), tools shall show a tool-dependent rudimentary outline of the component's transformed \lstinline!extent!.

\begin{nonnormative}
The reason for making the tool-dependent outline rudimentary is to encourage the model developer to provide a proper icon.
Regardless of \lstinline!visible!-attributes imply that all primitives are considered regardless of the value of their \lstinline!visible!-attribute.
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Now that the normative rule is formulated in terms of the visible-attribute, I find this explanation redundant:

Suggested change
Regardless of \lstinline!visible!-attributes imply that all primitives are considered regardless of the value of their \lstinline!visible!-attribute.

\end{nonnormative}

\subsection{Extends-Clause}\label{extends-clause}

Each \lstinline!extends!-clause (and short class definition, as stated in \cref{annotations-for-graphical-objects}) may have layer specific annotations which describe the rendering of the base class' icon and diagram layers in the derived class.
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