Yourcast

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====== Feature Models for YourCast ======

Domain variability model for yourCast corresponds to the following model : 

{{:en:ycdomainmodel.jpg|}}



To each concept corresponds one Feature model. 
Feature models are defined using Familiar and its merge operator. 
  * For [[en:fm:renderers|Renderers]]
  * For [[en:fm:sources|Sources]]
  * For [[en:fm:zones|Zones]]
  * For [[en:fm:Transitions|Transitions]]
  * For [[en:fm:layout|Layout]]


"Familiar" files can be downloaded {{:en:fms.zip|here}}.


===== Blueprint of YourCast feature models =====

Following Figure shows a blueprint of YourCast feature models.   It visually represents feature
hierarchies while emphasizing the constraints, being internal to an FM (cross-tree constraints) or inter FMs (representing our relations between FMs).
Each box represents a feature.
Similar to traditional feature diagrams, an edge describes the parent relationship between two features, a child feature being located below its parent feature. 
To make this large-scale representation more readable, the kind of a sub-feature (\eg, optional, mandatory) is expressed by a color-coding on the edge, resp. blue for optional, green for mutual exclusion. 
Each feature is shaped by two metrics,
//width// indicating the number of inter-FM  constraints in which
this feature is involved; \textit{height} corresponding to the number of cross-tree constraints the feature is involved within the FM.
This visual blueprint is supported by an interactive tool, as shown by the pop-up on on the renderer FM blueprint at the bottom of figure.
It helps in creating and maintaining large and complex FMs ((S. Urli, A. Bergel, M. Blay-Fornarino, P. Collet, and S. Mosser. A visual
support for decomposing complex feature models. In 3rd IEEE Working
Conference on Software Visualization, VISSOFT 2015, Bremen, Germany,
September 27-28, 2015, pages 76–85, 2015.)). 


{{:en:yourcastvizualisation.jpg?600|}}


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**Learn more about [[en:spinefm|SpineFM]]**
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