File: 4_diagrams_and_elements_spec.xml

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<!DOCTYPE section>
<section id="diagrams_and_elements_main">
    <title>Diagrams and Elements Spec</title>
    <para>
        <mediaobject>
            <imageobject><imagedata fileref="../../gui/source/resources/crystal_facet_uml.pdf" width="1cm"/></imageobject>
            <imageobject><imagedata fileref="../../gui/source/resources/crystal_facet_uml.png"/></imageobject>
        </mediaobject>

        This program creates diagrams that strive for compatibility to

        <itemizedlist>
            <listitem><para>UML 2.5<!-- latest: 2.5.1 --></para></listitem>
            <listitem><para>SysML 1.5<!-- latest: 1.6 --></para></listitem>
            <listitem><para>MOF 1.4.1</para></listitem>
        </itemizedlist>

        In some cases, it deviates from these standards for several reasons:

        <itemizedlist>
            <listitem><para>Reduce complexity to be able to handle such models in a small open source project</para></listitem>
            <listitem><para>Reduce feature-set to improve understandability of diagrams even to non-software-architects</para></listitem>
            <listitem><para>Reduce feature-set to enhance usability of the program</para></listitem>
        </itemizedlist>
    </para>
    <para>
        This section gives an overview on standards and implementation-status of crystal-facet-uml. It may be incomplete.
    </para>

    <section>
        <title>Classifiers</title>
        <para>
            Classifiers are the nodes in the model-graph.
        </para>
        <para>
            The table shows the classifier types introduced by different specifications,
            if they filter/hide their features
            and a comment stating how this is implemented in crystal-facet-uml.
        </para>
        <para>
            <informaltable frame='all' pgwide="1">
                <tgroup cols='4'>
                    <colspec colwidth='3*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='5*'/>
                    <thead>
                        <row>
                            <entry><para></para></entry>
                            <entry><para>Spec</para></entry>
                            <entry><para>Diagram Context and Filter</para></entry>
                            <entry><para>Comment</para></entry>
                        </row>
                    </thead>
                    <tbody>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_block.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_block.png"/></imageobject></mediaobject>
                                Block</para></entry>
                            <entry><para>SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>* / -</para></entry>
                            <entry>
                                <para>Limitations: Compartment Order is "properties, operations"
                                    instead of "constraints, operations, receptions, parts, (bound) references, values, properties,
                                    stereotype-tagged-values, behavior, namespace, structure"
                                </para>
                                <para>Limitations: No labeled compartments</para>
                                <para>Limitations: no Multiplicities of Block-Instances.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_constraint.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_constraint.png"/></imageobject></mediaobject>
                                Constraint Block</para></entry>
                            <entry><para>SysML<!--spec 1.5 chapter 10.2.2--></para></entry>
                            <entry><para>Parametric / -</para></entry>
                            <entry>
                                <para>Limitations: Only the rounded-rect symbol is supported.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_node.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_node.png"/></imageobject></mediaobject>
                                Node</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Deployment / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_subsystem.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_subsystem.png"/></imageobject></mediaobject>
                                Subsystem/Boundary</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Use Case / unconditional features</para></entry>
                            <entry>
                                <para>A subsystem is a component with stereotype subsystem</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_component.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_component.png"/></imageobject></mediaobject>
                                Component</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_part.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_part.png"/></imageobject></mediaobject>
                                Part</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_class.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_class.png"/></imageobject></mediaobject>
                                Interface</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_package.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_package.png"/></imageobject></mediaobject>
                                Package</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_class.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_class.png"/></imageobject></mediaobject>
                                Class</para></entry>
                            <entry><para>UML<!--spec 2.5 chapter 11.4--></para></entry>
                            <entry><para>* / -</para></entry>
                            <entry>
                                <para>Limitations: No active classes</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_part.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_part.png"/></imageobject></mediaobject>
                                Object</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_artifact.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_artifact.png"/></imageobject></mediaobject>
                                Artifact</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_comment.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_comment.png"/></imageobject></mediaobject>
                                Comment</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>* / unconditional features</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_stereotype.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_stereotype.png"/></imageobject></mediaobject>
                                Stereotype</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>* / unconditional features</para></entry>
                            <entry>
                                <para>Exists since version 1.47.0; cannot be used in version 1.46.0 and older.</para>
                                <para>The description field is reserved and shall not be used. Use an additional comment instead.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_requirement.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_requirement.png"/></imageobject></mediaobject>
                                Requirement</para></entry>
                            <entry><para>SysML<!--spec 1.5 chapter 16.2--></para></entry>
                            <entry><para>* / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_actor.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_actor.png"/></imageobject></mediaobject>
                                Actor</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Use Case, Sequence / unconditional features</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_usecase.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_usecase.png"/></imageobject></mediaobject>
                                Use Case</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Use Case / -</para></entry>
                            <entry>
                                <para>Limitations: No SysML extension points</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_diagram.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_diagram.png"/></imageobject></mediaobject>
                                Interaction Diagram Reference (Interaction Use)</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Interaction Overview / unconditional features</para></entry>
                            <entry>
                                <para>Hint: To easily find the referenced diagram, name the reference identical to the diagram.</para>
                                <para>XMI-Export: For xmi export, this object may only occur in scenario/interaction diagrams.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_state.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_state.png"/></imageobject></mediaobject>
                                Activity/Action
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch15.2)</para></entry>
                            <entry><para>Activity / -</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_region.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_region.png"/></imageobject></mediaobject>
                                Interruptable Region
                                </para>
                            </entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all regions belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_fork.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_fork.png"/></imageobject></mediaobject>
                                Fork</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_join.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_join.png"/></imageobject></mediaobject>
                                Join</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_accept.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_accept.png"/></imageobject></mediaobject>
                                Accept Event</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_time.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_time.png"/></imageobject></mediaobject>
                                Accept Time Event</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_send.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_send.png"/></imageobject></mediaobject>
                                Send Signal</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_decision.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_decision.png"/></imageobject></mediaobject>
                                Decision/Choice
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2.4,15.3), SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity, State / unconditional features</para></entry>
                            <entry>
                                <para>In activity diagrams, this is called decision, in statesmachines it is called choice.</para>
                                <para>XMI-Export/State-context: For xmi export,
                                    all states belonging to the same statemachine need an outer, enclosing state.
                                </para>
                                <para>XMI-Export/Activity-context: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_initial.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_initial.png"/></imageobject></mediaobject>
                                Initial Node
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2.4)<!--spec 2.5 chapter 14.2.4-->, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity, State / unconditional features</para></entry>
                            <entry>
                                <para>Limitations: There is no distinction in ActivityInitial and FlowInitial.</para>
                                <para>Limitations: There is no separate entryPoint state-type.</para>
                                <para>XMI-Export/State-context: For xmi export,
                                    all states belonging to the same statemachine need an outer, enclosing state.
                                </para>
                                <para>XMI-Export/Activity-context: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_final.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_final.png"/></imageobject></mediaobject>
                                Final Node
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2.4), SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity, State / unconditional features</para></entry>
                            <entry>
                                <para>Limitations: There is no distinction in ActivityFinal and FlowFinal.</para>
                                <para>Limitations: There is no separate exitPoint and terminate state-type.</para>
                                <para>XMI-Export/State-context: For xmi export,
                                    all states belonging to the same statemachine need an outer, enclosing state.
                                </para>
                                <para>XMI-Export/Activity-context: For xmi export,
                                    all activity-nodes belonging to the same set of activities need an outer, enclosing activity.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_state.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_state.png"/></imageobject></mediaobject>
                                State
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2), SysML</para></entry>
                            <entry><para>State, Timing / -</para></entry>
                            <entry>
                                <para>Limitations: No symbol for hidden decompositions, no regions (swimlanes) in composite states.</para>
                                <para>Limitations: entry/exit/do list.</para>
                                <para>Limitations: entryPoint and exitPoint states cannot be drawn on parent state border line.</para>
                                <para>XMI-Export: For xmi export, all states belonging to the same statemachine need an outer, enclosing state.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_history.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_history.png"/></imageobject></mediaobject>
                                Shallow History
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2.4), SysML</para></entry>
                            <entry><para>State / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export, all states belonging to the same statemachine need an outer, enclosing state.</para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_clas_deephistory.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_clas_deephistory.png"/></imageobject></mediaobject>
                                Deep History
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch14.2.4), SysML</para></entry>
                            <entry><para>State / unconditional features</para></entry>
                            <entry>
                                <para>XMI-Export: For xmi export, all states belonging to the same statemachine need an outer, enclosing state.
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                Value Type
                                </para>
                            </entry>
                            <entry><para>SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>- / -</para></entry>
                            <entry>
                                <para>not supported.</para>
                                <para>Limitations: Compartment Order of Classifiers is "properties, operations"
                                    instead of "operations, properties, stereotype-tagged-values"
                                </para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                Enumeration</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>- / -</para></entry>
                            <entry>
                                <para>not supported.</para>
                                <para>Note: Use a class instead.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                ActivityParameterNode</para></entry>
                            <entry><para>SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>- / -</para></entry>
                            <entry>
                                <para>not supported.</para>
                            </entry>
                        </row>
                        <row>
                            <entry>
                                <para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                MergeNode/Junction
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch15.3), SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity, State / unconditional features</para></entry>
                            <entry>
                                <para>In activity diagrams, it is called merge, in state diagrams junction node. This is not supported.</para>
                                <para>Note: You may directly connect the arrows to the target activity/state.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                ActivityPartition</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity / unconditional features</para></entry>
                            <entry>
                                <para>not supported.</para>
                                <para>Note: Use a parent activity instead.</para>
                            </entry>
                        </row>
                    </tbody>
                </tgroup>
            </informaltable>
        </para>
        <para>
            <variablelist>
                <title>Legend</title>
                <varlistentry>
                    <term>Filter</term>
                    <listitem><para>Defines which elements related to a classifier are not visible</para></listitem>
                </varlistentry>
            </variablelist>
        </para>
        <para>
            An InstanceSpecification (UML<!--spec 2.5 chapter 9.8.4, 11.2.5-->) denotes an instantiation of a classifier.
            crystal-facet-uml allows any classifier to appear in different diagrams
            as classifier, as anonymous InstanceSpecification or as named InstanceSpecification.
            (Rationale: If a classifier is an instance may depend on the context:
            An M1-class may be an instance if shown in an M2-meta-class diagram,
            an XML-parser-class may be an instance if shown in the context of stream processors.)
            <!-- Other example: A swedish string comparator class is an instance of string comparator classes -->
        </para>
    </section>
    <section>
        <title>Features</title>
        <para>
            Features are elements attached to one classifier.
        </para>
        <para>
            The table shows the feature types introduced by different specifications,
            if they are visible in any diagram or just once,
            and a comment stating how this is implemented in crystal-facet-uml.
        </para>
        <para>
            <informaltable frame='all' pgwide="1">
                <tgroup cols='4'>
                    <colspec colwidth='3*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='5*'/>
                    <thead>
                        <row>
                            <entry><para></para></entry>
                            <entry><para>Spec</para></entry>
                            <entry><para>Scope</para></entry>
                            <entry><para>Comment</para></entry>
                        </row>
                    </thead>
                    <tbody>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_property.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_property.png"/></imageobject></mediaobject>
                                    Property
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 9.2.1--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Limitations: no SysML Flow-Properties refinement.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_operation.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_operation.png"/></imageobject></mediaobject>
                                    Operation
                                </para>
                            </entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_provide.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_provide.png"/></imageobject></mediaobject>
                                    Provided Interface
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 9.2.1--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_require.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_require.png"/></imageobject></mediaobject>
                                    Required Interface
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 9.2.1--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_port.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_port.png"/></imageobject></mediaobject>
                                    Port
                                </para>
                            </entry>
                            <entry><para>UML<!--spec 2.5 chapter 11.3-->, SysML<!--spec 1.5 chapter 9.2.1--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Limitations: no SysML-compartment Notation supported.</para>
                                <para>Limitations: no SysML-nested-ports, SysML-proxy-port, SysML full-ports supported.</para>
                                <para>Limitations: no flow property, no compartment notation, no port-compartments.</para>
                                <para>Limitations: no UML behavior ports.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_rx.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_rx.png"/></imageobject></mediaobject>
                                    Input Port/Pin
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.6 chapter 9.2--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Exists since version 1.27.0; cannot be used in version 1.26.1 and older.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_tx.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_tx.png"/></imageobject></mediaobject>
                                    Output Port/Pin
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.6 chapter 9.2--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Exists since version 1.27.0; cannot be used in version 1.26.1 and older.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_entry.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_entry.png"/></imageobject></mediaobject>
                                    State Entry
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.6 chapter 13.2--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Exists since version 1.27.0; cannot be used in version 1.26.1 and older.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_exit.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_exit.png"/></imageobject></mediaobject>
                                    State Exit
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.6 chapter 13.2--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Exists since version 1.27.0; cannot be used in version 1.26.1 and older.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_tag.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_tag.png"/></imageobject></mediaobject>
                                    Tagged Value
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.6 chapter 13.2--></para></entry>
                            <entry><para>unconditional</para></entry>
                            <entry>
                                <para>Exists since version 1.47.0; cannot be used in version 1.46.0 and older.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_feat_life.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_feat_life.png"/></imageobject></mediaobject>
                                    Lifeline
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch17.2), SysML</para></entry>
                            <entry><para>interaction scenario, 1 per diagram</para></entry>
                            <entry>
                                <para>Limitations: One lifeline is visible only in one diagram.</para>
                                <para>Limitations: Lifelines start and end only at diagram border.</para>
                                <para>Limitations: ExecutionSpecification (ActivityBar) are not supported.</para>
                            </entry>
                        </row>
                    </tbody>
                </tgroup>
            </informaltable>
        </para>
        <para>
            <variablelist>
                <title>Legend</title>
                <varlistentry>
                    <term>Scope</term>
                    <listitem><para>scope is unconditional if a feature belongs to a classifier unconditionally, scenario if only applicable in 1 interaction diagram</para></listitem>
                </varlistentry>
            </variablelist>
        </para>
    </section>
    <section>
        <title>Relationships</title>
        <para>
            Relationships are the edges of the model-graph.
        </para>
        <para>
            The table shows the relationship types introduced by different specifications,
            a classification in which diagram type to use them preferably,
            and a comment stating how this is implemented in crystal-facet-uml.
        </para>
        <para>
            <informaltable frame='all' pgwide="1">
                <tgroup cols='4'>
                    <colspec colwidth='3*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='5*'/>
                    <thead>
                        <row>
                            <entry><para></para></entry>
                            <entry><para>Spec</para></entry>
                            <entry><para>Diagram Context</para></entry>
                            <entry><para>Comment</para></entry>
                        </row>
                    </thead>
                    <tbody>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_depend.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_depend.png"/></imageobject></mediaobject>
                                Dependency</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 8.2.1, 8.2.2--></para></entry>
                            <entry><para>any</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_contain.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_contain.png"/></imageobject></mediaobject>
                                Containment</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>Deployment, Package, Internal Block, Composite Structure, Activity, State</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_deploy.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_deploy.png"/></imageobject></mediaobject>
                                Deploy</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Deployment</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_manifest.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_manifest.png"/></imageobject></mediaobject>
                                Manifest</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Deployment</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_communication_path.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_communication_path.png"/></imageobject></mediaobject>
                                Communication Path</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Component, Composite Structure, Block, Internal Block</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.png"/></imageobject></mediaobject>
                                Association</para></entry>
                            <entry><para>UML<!--spec 2.5 chapter 11.5-->, SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>Class, Use Case</para></entry>
                            <entry>
                                <para>Note: SysML calls this ReferenceAssociation</para>
                                <para>Limitations: no AssociationClass(SysML: ParticipantProperty) exists.</para>
                                <para>Limitations: no AssociationEnd Classes exist, no multiplicities, no roles, no ownership (dot notation).</para>
                                <para>Limitations: no ternary associations (only two ends supported).</para>
                                <para>Limitations: no non-navigateable ends (crosses) suported yet - see todo.txt.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_aggregate.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_aggregate.png"/></imageobject></mediaobject>
                                Aggregation</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>Class</para></entry>
                            <entry>
                                <para>Note: SysML calls this SharedAssociation</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_compose.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_compose.png"/></imageobject></mediaobject>
                                Composition</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>Class</para></entry>
                            <entry>
                                <para>Note: SysML calls this PartAssociation</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_generalize.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_generalize.png"/></imageobject></mediaobject>
                                Generalization</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 8.2.1, 14.2--></para></entry>
                            <entry><para>Class, Use Case(?)</para></entry>
                            <entry><para>Limitations: no Generalization-Sets supported</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_realize.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_realize.png"/></imageobject></mediaobject>
                                Realization</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>Class</para></entry>
                            <entry><para></para></entry>
                        </row>

                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_trace.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_trace.png"/></imageobject></mediaobject>
                                Trace</para></entry>
                            <entry><para>SysML<!-- see also https://re-magazine.ireb.org/articles/modeling-requirements-with-sysml --></para></entry>
                            <entry><para>Requirement</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_refine.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_refine.png"/></imageobject></mediaobject>
                                Refine</para></entry>
                        <entry><para>SysML</para></entry>
                            <entry><para>Requirement</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_extend.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_extend.png"/></imageobject></mediaobject>
                                Extend</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Use Case</para></entry>
                            <entry><para>Limitations: no SysML-condition-notes can be attched to this relationship</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_include.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_include.png"/></imageobject></mediaobject>
                                Include</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Use Case</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.png"/></imageobject></mediaobject>
                                Control Flow/Transition</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1, 14.5.11--></para></entry>
                            <entry><para>Activity, State</para></entry>
                            <entry>
                                <para>In activity diagrams, this is called control flow, in statesmachines it is called transition.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.png"/></imageobject></mediaobject>
                                Object Flow</para></entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 11.2.1--></para></entry>
                            <entry><para>Activity</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_associate.png"/></imageobject></mediaobject>
                                Async. Call
                                </para>
                            </entry>
                            <entry><para>UML, SysML (?)</para></entry>
                            <entry><para>for sequence, timing, communication and interaction overview diagrams</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_sync.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_sync.png"/></imageobject></mediaobject>
                                Sync. Call
                                </para>
                            </entry>
                            <entry><para>UML, SysML (?)</para></entry>
                            <entry><para>for sequence, timing, communication and interaction overview diagrams</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_rel_return.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_rel_return.png"/></imageobject></mediaobject>
                                Return Call
                                </para>
                            </entry>
                            <entry><para>UML, SysML (?)</para></entry>
                            <entry><para>for sequence, timing, communication and interaction overview diagrams</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                Connector
                                </para>
                            </entry>
                            <entry><para>UML, SysML<!--spec 1.5 chapter 14.2--></para></entry>
                            <entry><para>Internal Block</para></entry>
                            <entry>
                                <para>not supported.</para>
                                <para>Limitations: No Bi-directional Connectors</para>
                                <para>Note: SysML calls this BindingConnector</para>
                                <para>Note: Use a Communication Path instead.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                Item Flow
                                </para>
                            </entry>
                            <entry><para>SysML<!--spec 1.5 chapter 9.2.1, 9.4.6--></para></entry>
                            <entry><para>Block Definition</para></entry>
                            <entry>
                                <para>not supported.</para>
                                <para>Note: Use an Object Flow instead.</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_undef.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_undef.png"/></imageobject></mediaobject>
                                Exception Flow
                                </para>
                            </entry>
                            <entry><para>UML 2.5 (ch15.5)</para></entry>
                            <entry><para>Block Definition</para></entry>
                            <entry>
                                <para>not yet supported, see todo.txt.</para>
                            </entry>
                        </row>
                    </tbody>
                </tgroup>
            </informaltable>
        </para>
    </section>
    <section>
        <title>Diagrams</title>
        <para>
            Diagrams are views on the model-graph. They select classifiers and may filter their features and relationships.
        </para>
        <para>
            The table shows the diagram types introduced by different specifications,
            if they filter/hide their features and/or relationships
            and a comment stating how this is implemented in crystal-facet-uml.
        </para>
        <para>
            <informaltable frame='all' pgwide="1">
                <tgroup cols='4'>
                    <colspec colwidth='3*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='2.5*'/>
                    <colspec colwidth='5*'/>
                    <thead>
                        <row>
                            <entry><para></para></entry>
                            <entry><para>Spec</para></entry>
                            <entry><para>Filter</para></entry>
                            <entry><para>Comment</para></entry>
                        </row>
                    </thead>
                    <tbody>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_list.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_list.png"/></imageobject></mediaobject>
                                    List Diagram</para></entry>
                            <entry><para>-</para></entry>
                            <entry><para>any feature, any relationship</para></entry>
                            <entry><para>This is an overview diagram showing only classifiers without features and without relationships</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_box.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_box.png"/></imageobject></mediaobject>
                                Box Diagram</para></entry>
                            <entry><para>-</para></entry>
                            <entry><para>any feature, any relationship</para></entry>
                            <entry><para>This is an overview diagram showing only classifiers without features and without relationships</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_block.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_block.png"/></imageobject></mediaobject>
                                Block Definition Diagram</para></entry>
                            <entry><para>SysML<!--spec 1.5 chapter 8.2.1--></para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_internal.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_internal.png"/></imageobject></mediaobject>
                                Internal Block Diagram</para></entry>
                            <entry><para>SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_parametric.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_parametric.png"/></imageobject></mediaobject>
                                Parametric Diagram</para></entry>
                            <entry><para>SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_deployment.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_deployment.png"/></imageobject></mediaobject>
                                Deployment Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_component.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_component.png"/></imageobject></mediaobject>
                                Component Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_composite.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_composite.png"/></imageobject></mediaobject>
                                Composite Structure Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_package.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_package.png"/></imageobject></mediaobject>
                                Package Diagram</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_class.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_class.png"/></imageobject></mediaobject>
                                Class Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_profile.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_profile.png"/></imageobject></mediaobject>
                                Profile Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para>Image elements are not yet supported</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_requirement.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_requirement.png"/></imageobject></mediaobject>
                                Requirements Diagram</para></entry>
                            <entry><para>SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_usecase.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_usecase.png"/></imageobject></mediaobject>
                                Use Case Diagram</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_overview.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_overview.png"/></imageobject></mediaobject>
                                Interaction Overview Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>unconditional relationships (non-scenario), unconditional feature</para></entry>
                            <entry>
                                <para>Limitations: There is no link from Diagram-References to referenced Diagrams</para>
                                <para>Containments cannot be shown in this diagram type</para>
                            </entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_activity.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_activity.png"/></imageobject></mediaobject>
                                Activity Diagram</para></entry>
                            <entry><para>UML 2.5 (ch15.2), SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para>Limitations: Swimlanes not supported</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_state.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_state.png"/></imageobject></mediaobject>
                                State Machine Diagram</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>lifelines</para></entry>
                            <entry><para></para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_communication.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_communication.png"/></imageobject></mediaobject>
                                Communication Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>unconditional relationships (non-scenario), unconditional features</para></entry>
                            <entry><para>Containments cannot be shown in this diagram type</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_sequence.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_sequence.png"/></imageobject></mediaobject>
                                Sequence Diagram</para></entry>
                            <entry><para>UML, SysML</para></entry>
                            <entry><para>unconditional relationships (non-scenario), unconditional features</para></entry>
                        </row>
                        <row>
                            <entry><para>
                                <mediaobject><imageobject><imagedata fileref="../../gui/source/resources/type_diag_timing.pdf" width="1cm"/></imageobject>
                                <imageobject><imagedata fileref="../../gui/source/resources/type_diag_timing.png"/></imageobject></mediaobject>
                                Timing Diagram</para></entry>
                            <entry><para>UML</para></entry>
                            <entry><para>unconditional relationships (non-scenario), unconditional features</para></entry>
                        </row>
                    </tbody>
                </tgroup>
            </informaltable>
        </para>
        <para>
            <variablelist>
                <title>Legend</title>
                <varlistentry>
                    <term>Filter</term>
                    <listitem><para>Defines which elements are not visible in the diagram</para></listitem>
                </varlistentry>
                <varlistentry>
                    <term>Scenario</term>
                    <listitem><para>Interaction diagrams show only relationships associated with a lifeline of a visible classifier.</para></listitem>
                </varlistentry>
            </variablelist>
        </para>
    </section>

    <section>
        <title>Maximum stringlengths</title>
        <para>

            All strings (names, descriptions, stereotypes) have a maximum length.
        </para>
        <para>
            Ascii characters require one, most other characters two bytes.
            Current sizes in bytes are:
        </para>
        <para>

            Classifiers:
            <itemizedlist>
                <listitem><para>DATA_CLASSIFIER_MAX_NAME_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_CLASSIFIER_MAX_STEREOTYPE_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_CLASSIFIER_MAX_DESCRIPTION_LENGTH = 4095,</para></listitem>
            </itemizedlist>
        </para>
        <para>

            Features:
            <itemizedlist>
                <listitem><para>DATA_FEATURE_MAX_KEY_LENGTH = 47,  (name)</para></listitem>
                <listitem><para>DATA_FEATURE_MAX_VALUE_LENGTH = 255,  (type)</para></listitem>
                <listitem><para>DATA_FEATURE_MAX_DESCRIPTION_LENGTH = 1023,</para></listitem>
            </itemizedlist>
        </para>
        <para>

            Relationships:
            <itemizedlist>
                <listitem><para>DATA_RELATIONSHIP_MAX_NAME_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_RELATIONSHIP_MAX_STEREOTYPE_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_RELATIONSHIP_MAX_DESCRIPTION_LENGTH = 1023,</para></listitem>
            </itemizedlist>
        </para>
        <para>

            Diagrams:
            <itemizedlist>
                <listitem><para>DATA_DIAGRAM_MAX_NAME_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_DIAGRAM_MAX_STEREOTYPE_LENGTH = 47,</para></listitem>
                <listitem><para>DATA_DIAGRAM_MAX_DESCRIPTION_LENGTH = 8191,</para></listitem>
            </itemizedlist>
        </para>
        <para>
            In case the text your entered exceeds the string limit, you are warned that the string is truncated.
            Consider attaching a comment or a requirement element and move parts of the text there.
        </para>

    </section>

</section>